19588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma/* ip.c - Show / manipulate routing, devices, policy routing and tunnels. 29588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * 39588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Copyright 2014 Sameer Prakash Pradhan <sameer.p.pradhan@gmail.com> 49588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Copyright 2014 Ranjan Kumar <ranjankumar.bth@gmail.com> 59588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Copyright 2014 Rajni Kant <rajnikant12345@gmail.com> 601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley * Copyright 2014 Bilal Qureshi <bilal.jmi@gmail.com> 79588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * 89588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * No Standard. 99588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * 109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini SharmaUSE_IP(NEWTOY(ip, NULL, TOYFLAG_SBIN)) 11f3e56f4e4ff773de95fa2c9daf979734d826fc33Rob LandleyUSE_IP(OLDTOY(ipaddr, ip, TOYFLAG_SBIN)) 12f3e56f4e4ff773de95fa2c9daf979734d826fc33Rob LandleyUSE_IP(OLDTOY(iplink, ip, TOYFLAG_SBIN)) 13f3e56f4e4ff773de95fa2c9daf979734d826fc33Rob LandleyUSE_IP(OLDTOY(iproute, ip, TOYFLAG_SBIN)) 14f3e56f4e4ff773de95fa2c9daf979734d826fc33Rob LandleyUSE_IP(OLDTOY(iprule, ip, TOYFLAG_SBIN)) 15f3e56f4e4ff773de95fa2c9daf979734d826fc33Rob LandleyUSE_IP(OLDTOY(iptunnel, ip, TOYFLAG_SBIN)) 169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmaconfig IP 189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma bool "ip" 199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default n 209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma help 219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma usage: ip [ OPTIONS ] OBJECT { COMMAND } 229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma Show / manipulate routing, devices, policy routing and tunnels. 249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma where OBJECT := {address | link | route | rule | tunnel} 269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] } 279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma*/ 289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#define FOR_ip 299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include "toys.h" 309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <linux/netlink.h> 319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <linux/rtnetlink.h> 329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <linux/if_ether.h> 339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <linux/if_addr.h> 349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <net/if_arp.h> 359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <ifaddrs.h> 369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#include <fnmatch.h> 3701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley#include <netinet/ip.h> 3801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley#include <linux/if_tunnel.h> 399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini SharmaGLOBALS( 4101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char stats, singleline, flush, *filter_dev, gbuf[8192]; 4201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int sockfd, connected, from_ok, route_cmd; 4301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int8_t addressfamily, is_addr; 449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma) 459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastruct arglist { 479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *name; 489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; 499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma}; 509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic struct 529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int ifindex, scope, scopemask, up, to; 549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *label, *addr; 559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} addrinfo; 569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastruct linkdata { 589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct linkdata *next, *prev; 599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int flags, iface_idx, mtu, txqueuelen, parent,iface_type; 609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char qdiscpline[IFNAMSIZ+1], state[IFNAMSIZ+1], type[IFNAMSIZ+1], 619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma iface[IFNAMSIZ+1], laddr[64], bcast[64]; 629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtnl_link_stats rt_stat; 639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma}*linfo; 649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmatypedef int (*cmdobj)(char **argv); 669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#define MESG_LEN 8192 689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// For "/etc/iproute2/RPDB_tables" 709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmaenum { 719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RPDB_rtdsfield = 1, 7201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RPDB_rtprotos = 2, 739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RPDB_rtrealms = 3, 749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RPDB_rtscopes = 4, 759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RPDB_rttables = 5 769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma}; 779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#define RPDB_ENTRIES 256 799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int8_t rttable_init; 8001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int8_t rtprotos_init; 819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int8_t rtdsfield_init; 829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int8_t rtscope_init; 839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int8_t rtrealms_init; 849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 8501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic struct arglist *rt_dsfield[RPDB_ENTRIES]; 8601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic struct arglist *rt_protos[RPDB_ENTRIES]; 8701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic struct arglist *rt_tables[RPDB_ENTRIES]; 8801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic struct arglist *rt_realms[RPDB_ENTRIES]; 8901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic struct arglist *rt_scope[RPDB_ENTRIES]; 909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic struct arglist rtmtypes[] = { {"none", RTN_UNSPEC}, 929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"unicast", RTN_UNICAST}, {"local", RTN_LOCAL}, 939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"broadcast", RTN_BROADCAST}, {"anycast", RTN_ANYCAST}, 949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"multicast", RTN_MULTICAST}, {"blackhole", RTN_BLACKHOLE}, 959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"unreachable", RTN_UNREACHABLE}, {"prohibit", RTN_PROHIBIT}, 969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"throw", RTN_THROW}, {"nat", RTN_NAT}, 979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"xresolve", RTN_XRESOLVE}, {NULL, -1} 989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma}; 999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int filter_nlmesg(int (*fun)(struct nlmsghdr *mhdr, char **), char **); 1019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ipaddr_print(struct linkdata *, int flg); 1029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 1059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Common Code for IP Options (like: addr, link, route etc.) 1069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 1079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int substring_to_idx(char *str, struct arglist *list) 1089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 1099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist *alist; 11001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int len; 1119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!str) return -1; 1139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma len = strlen(str); 1149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (alist = list; alist->name; alist++) 11601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!memcmp(str, alist->name, len)) return alist->idx; 11701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return -1; 1189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 1199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int string_to_idx(char *str, struct arglist *list) 1219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 1229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist *alist; 1239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!str) return -1; 1259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (alist = list; alist->name; alist++) 1269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!strcmp(str, alist->name)) return alist->idx; 1279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return -1; 1289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 1299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic char *idx_to_string(int idx, struct arglist *list) 1319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 1329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist *alist; 1339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx < 0) return NULL; 1359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (alist = list; alist->name; alist++) 1369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx == alist->idx) return alist->name; 1379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return NULL; 1389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 1399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void send_nlmesg(int type, int flags, int family, 1419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma void *buf, int blen) 1429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 1439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct { 1449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr nlh; 1459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtgenmsg g; 1469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } req; 1479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!buf) { 1499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&req, 0, sizeof(req)); 1509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlh.nlmsg_len = sizeof(req); 1519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlh.nlmsg_type = type; 1529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlh.nlmsg_flags = flags; 1539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.g.rtgen_family = family; 1549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma buf = &req; 1559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma blen = sizeof(req); 1569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 1579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (send(TT.sockfd , (void*)buf, blen, 0) < 0) 1589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma perror_exit("Unable to send data on socket."); 1599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 1609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Parse /etc/iproute2/RPDB_tables and prepare list. 1629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void parseRPDB(char *fname, struct arglist **list, int32_t size) 1639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 1649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *line; 1659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int fd = open(fname, O_RDONLY); 1669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (fd < 0) return; 1689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; (line = get_line(fd)); free(line)) { 1699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr = line; 1709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int32_t idx; 1719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 1729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (*ptr == ' ' || *ptr == '\t') ptr++; 1739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*ptr == 0 || *ptr == '#' || *ptr == '\n') continue; 1749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((sscanf(ptr, "0x%x %s\n", &idx, toybuf) != 2) && 1759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (sscanf(ptr, "0x%x %s #", &idx, toybuf) != 2) && 1769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (sscanf(ptr, "%d %s\n", &idx, toybuf) != 2) && 1779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (sscanf(ptr, "%d %s #", &idx, toybuf) != 2)) { 1789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("Corrupted '%s' file", fname); 1799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xclose(fd); 1809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma free(line); 1819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return; 1829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 1839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx >= 0 && idx < size) { 1849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int index = idx & (size-1); 18501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (list[index]) free(list[index]->name); 18601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else list[index] = xzalloc(sizeof(struct arglist)); 1879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma list[index]->idx = idx; 1889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma list[index]->name = xstrdup(toybuf); 1899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 1909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 1919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xclose(fd); 1929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 1939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 19401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic void free_alist(struct arglist **list) 19501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 19601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int i; 19701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (i = 0;i<RPDB_ENTRIES;i++) { 19801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (list[i]) { 19901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley free(list[i]->name); 20001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley free(list[i]); 20101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 20201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 20301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 20401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 20501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic void init_arglist(struct arglist **list,int value, char* name) 20601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 20701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!list[value]) list[value] = xzalloc(sizeof(struct arglist)); 20801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley list[value]->idx = value; 20901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley list[value]->name = xstrdup(name); 21001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 21101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 2129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic struct arglist **getlist(u_int8_t whichDB) 2139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 2149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist **alist; 2159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch (whichDB) { 2179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case RPDB_rtdsfield: 2189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma alist = rt_dsfield; 2199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rtdsfield_init) { 2209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtdsfield_init = 1; 2219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parseRPDB("/etc/iproute2/rt_dsfield", alist, ARRAY_LEN(rt_dsfield)); 2229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 22401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case RPDB_rtprotos: 22501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley alist = rt_protos; 22601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!rttable_init) { 22701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley rtprotos_init = 1; 22801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,0,"none"); 22901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,1,"redirect"); 23001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,2,"kernel"); 23101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,3,"boot"); 23201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,4,"static"); 23301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,8,"gated"); 23401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,9,"ra"); 23501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,10,"mrt"); 23601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,11,"zebra"); 23701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_protos,12,"bird"); 23801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parseRPDB("/etc/iproute2/rt_protos", alist, ARRAY_LEN(rt_protos)); 23901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 24001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 2419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case RPDB_rtrealms: 2429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma alist = rt_realms; 2439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rtrealms_init) { 2449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtrealms_init = 1; 24501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_realms,0,"unspec"); 2469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parseRPDB("/etc/iproute2/rt_realms", alist, ARRAY_LEN(rt_realms)); 2479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 2499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case RPDB_rtscopes: 2509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma alist = rt_scope; 2519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rtscope_init) { 2529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtscope_init = 1; 25301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_scope,0,"global"); 25401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_scope,200,"site"); 25501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_scope,253,"link"); 25601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_scope,254,"host"); 25701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_scope,255,"nowhere"); 2589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parseRPDB("/etc/iproute2/rt_scopes", alist, ARRAY_LEN(rt_scope)); 2599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 2619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case RPDB_rttables: 2629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma alist = rt_tables; 2639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rttable_init) { 2649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rttable_init = 1; 26501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_tables,RT_TABLE_DEFAULT,"default"); 26601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_tables,RT_TABLE_MAIN,"main"); 26701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley init_arglist(rt_tables,RT_TABLE_LOCAL,"local"); 2689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parseRPDB("/etc/iproute2/rt_tables", alist, ARRAY_LEN(rt_tables)); 2699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 2719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: 2729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("wrong database"); 2739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; // Unreachable code. 2749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return alist; 2769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 2779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma/* 2799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Parse RPBD tables (if not parsed already). 2809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * return RPDB table name as per idx. 2819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma */ 2829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic char *namefromRPDB(int idx, u_int8_t whichDB) 2839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 2849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist **alist; 2859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 28601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx < 0 || idx >= RPDB_ENTRIES) { 2879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(toybuf, RPDB_ENTRIES, "%u", idx); 2889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return toybuf; 2899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 2909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma alist = getlist(whichDB); 2929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (alist[idx] && alist[idx]->name) return alist[idx]->name; 29401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 2959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (whichDB == RPDB_rtdsfield) snprintf(toybuf, RPDB_ENTRIES, "0x%02x", idx); 2969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else snprintf(toybuf, RPDB_ENTRIES, "%u", idx); 2979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return toybuf; 2999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int idxfromRPDB(char *name, u_int8_t whichDB) 3029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 3039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist **alist; 30401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley long i = 0; 30501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *ptr = NULL; 3069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (alist = getlist(whichDB); i < RPDB_ENTRIES; i++) { 3089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!alist[i] || !alist[i]->name) continue; 3099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!strcmp(alist[i]->name, name)) return i; 3109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 31101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley i = strtol(name, &ptr, 0); 31201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (errno || (ptr && *ptr) || i < 0 || i > 255) 31301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return -1; 31401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return i; 3159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic char *rtmtype_idx2str(u_int8_t idx) 3189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 3199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *name = idx_to_string(idx, rtmtypes); 3209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!name) snprintf(toybuf, RPDB_ENTRIES, "%u", idx); 32201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else snprintf(toybuf, sizeof(toybuf), "%s", name); 3239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return toybuf; 3249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int rtmtype_str2idx(char *name) 3279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 3289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx = string_to_idx(name, rtmtypes); 3299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx < 0) return atolx_range(name, 0, 255); 3319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return idx; 3329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma/* 3359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Used to get the prefix value in binary form. 3369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * For IPv4: non-standard parsing used; as 10.10 will be treated as 10.10.0.0 3379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * unlike inet_aton which is 10.0.0.10 3389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma */ 3399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int get_prefix(uint32_t *addr, uint8_t *af, char *name, int family) 3409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 3419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (family == AF_PACKET) error_exit("'%s' may be inet prefix", name); 3429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!memcmp(name, "default", strlen(name)) 3439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma || !memcmp(name, "all", strlen(name)) 3449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma || !memcmp(name, "any", strlen(name))) { 3459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *af = family; 3469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 3479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 3489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (strchr(name, ':')) { 3499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *af = AF_INET6; 3509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (family != AF_UNSPEC && family != AF_INET6) return 1; 3519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (inet_pton(AF_INET6, name, (void *)addr) != 1) 3529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 3539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else { // for IPv4. 3549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr = name; 3559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t count = 0; 3569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *af = AF_INET; 3589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (family != AF_UNSPEC && family != AF_INET) return 1; 3599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (*ptr) { 3609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int val, len = 0; 3619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*ptr == '.') ptr++; 3639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sscanf(ptr, "%d%n", &val, &len); 3649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!len || len > 3 || val < 0 || val > 255 || count > 3) return 1; 3659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ptr += len; 3669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((uint8_t*)addr)[count++] = val; 3679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 3689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 3699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 3709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma/* 3739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Used to calculate netmask, which can be in the form of 3749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * either 255.255.255.0 or 24 or default or any or all strings. 3759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma */ 3769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int get_nmask_prefix(uint32_t *netmask, uint8_t af, 3779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *name, uint8_t family) 3789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 3799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr; 3809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t naddr[4] = {0,}; 3819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint64_t plen; 3829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t naf = AF_UNSPEC; 3839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *netmask = (af == AF_INET6) ? 128 : 32; // set default netmask 3859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma plen = strtoul(name, &ptr, 0); 3869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 3879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!ptr || ptr == name || *ptr || !plen || plen > *netmask) { 3889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_prefix(naddr, &naf, name, family)) return -1; 3899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (naf == AF_INET) { 3909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t mask = htonl(*naddr), host = ~mask; 3919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (host & (host + 1)) return -1; 3929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (plen = 0; mask; mask <<= 1) ++plen; 3939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (plen > 32) return -1; 3949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 3959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 3969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *netmask = plen; 3979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 3989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 3999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma/* 4019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * Parse prefix, which will be in form of 4029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * either default or default/default or default/24 or default/255.255.255.0 4039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * or 10.20.30.40 or 10.20.30.40/default or 10.20.30.40/24 4049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma * or 10.20.30.40/255.255.255.0 4059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma */ 4069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void parse_prefix(uint32_t *addr, uint32_t *netmask, uint8_t *len, 4079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *name, int family) 4089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 4099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t af = AF_UNSPEC; 4109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *slash = strchr(name, '/'); 4119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (slash) *slash = 0; 4139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_prefix(addr, &af, name, family)) error_exit("Invalid prefix"); 4149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (slash) { // grab netmask. 4169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_nmask_prefix(netmask, af, slash+1, family)) 4179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid prefix"); 4189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *slash ='/'; 4199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 4209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (af == AF_INET && *addr) *netmask = 32; 4219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (af == AF_INET6 && (*addr || *(addr+3))) *netmask = 128; 4229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*addr && !slash && !af) *len = 0; 4249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else *len = (af == AF_INET6) ? 16 : 4; 4259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 4269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void add_string_to_rtattr(struct nlmsghdr *n, int maxlen, 4289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int type, void *data, int alen) 4299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 4309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len = RTA_LENGTH(alen); 4319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *rta; 4329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((int)(NLMSG_ALIGN(n->nlmsg_len) + len) > maxlen) return; 4349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rta = (struct rtattr*)(((char*)n) + NLMSG_ALIGN(n->nlmsg_len)); 4359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rta->rta_type = type; 4369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rta->rta_len = len; 4379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memcpy(RTA_DATA(rta), data, alen); 4389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len; 4399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 4409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 4449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Code for ip link. 4459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 4469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifndef NLMSG_TAIL 4479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#define NLMSG_TAIL(nmsg) \ 4489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len))) 4499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 4509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic uint32_t get_ifaceindex(char *name, int ext) 4529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 4539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct if_nameindex *if_ni, *i; 4549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int index = -1; 45501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 4569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if_ni = if_nameindex(); 45701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!if_ni) perror_exit("if_nameindex"); 4589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 45901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (i = if_ni; i->if_index && i->if_name; i++) 46001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!strcmp(name, i->if_name)) { 46101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley index = i->if_index; 46201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 46301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 4649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if_freenameindex(if_ni); 4659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (index == -1 && ext) perror_exit("can't find device '%s'", name); 4669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return index; 4679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 4689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void fill_hwaddr(char *arg, int len, unsigned char *address) 4709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 4719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int count = 0, val, length; 4729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (count < len) { 4749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma val = length = 0; 47501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!arg) error_exit("bad hw-addr '%s'", ""); 4769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*arg == ':') arg++, count++; 4779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sscanf(arg, "%2x%n", &val, &length); 4789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!length || length > 2) 47901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("bad hw-addr '%s'", arg); 4809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma arg += length; 4819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma count += length; 4829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *address++ = val; 4839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 4849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 4859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Multimach = 1, single match = 0 4879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic char *get_flag_string(struct arglist *aflags, int flags, int ismulti) 4889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 4899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist *p = aflags; 4909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *out = NULL, *tmp = NULL; 4919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 4929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; p->name; p++) { 4939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int test = (ismulti ? p->idx & flags : 0) || p->idx == flags; 4949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (test) { // flags can be zero 4959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma tmp = out ? xmprintf("%s,%s", out, p->name) : xmprintf("%s", p->name); 4969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (out) free(out); 4979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma out = tmp; 4989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 4999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return out; 5019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 5029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void vlan_parse_opt(char **argv, struct nlmsghdr *n, unsigned int size) 5049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 5059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist vlan_optlist[] = {{"id", 0}, {"protocol", 1}, 5069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"reorder_hdr", 2}, {"gvrp", 3}, {NULL,-1}}; 5079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist vlan_protolist[] = {{"802.1q", 0}, {"802.1ad", 1}, {NULL,-1}}; 5089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist on_off[] = { {"on", 0}, {"off", 1}, {NULL,-1}}; 5099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; 5109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifla_vlan_flags flags; 5119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&flags, 0, sizeof(flags)); 5139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; *argv; argv++) { 5149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int param, proto; 5159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 516e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if ((idx = substring_to_idx(*argv++, vlan_optlist)) == -1) help_exit(0); 5179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch (idx) { 5189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: // ARG_id 519e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if (!*argv) help_exit(0); 5209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma param = atolx(*argv); 5219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(n, size, IFLA_VLAN_ID, ¶m, sizeof(param)); 5229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 5239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: // ARG_protocol 5249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) error_exit("Invalid vlan id."); 525e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if ((idx = substring_to_idx(*argv, vlan_protolist)) == -1) help_exit(0); 5269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!idx) proto = ETH_P_8021Q; // PROTO_8021Q - 0 5279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (idx == 1) proto = 0x88A8; // ETH Protocol - 8021AD 5289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma // IFLA VLAN PROTOCOL - 5 5299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(n, size, 5, &proto, sizeof(proto)); 5309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 5319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: // ARG_reorder_hdr 5329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 3: // ARG_gvrp 533e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if ((param = substring_to_idx(*argv, on_off)) == -1) help_exit(0); 5349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma flags.mask |= (idx -1); // VLAN FLAG REORDER Header 5369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma flags.flags &= ~(idx -1); // VLAN FLAG REORDER Header 5379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!param) flags.flags |= (idx -1); // VLAN FLAG REORDER Header 5389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 5399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (flags.mask) 5429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(n, size, IFLA_VLAN_FLAGS, &flags, sizeof(flags)); 5439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 5449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int linkupdate(char **argv) 5469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 5479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct { 5489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr mhdr; 5499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifinfomsg info; 5509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char buf[1024]; 5519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } request; 5529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *name, *dev, *type, *link, *addr; 5539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *attr = NULL; 5549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len = 0, add = (*argv[-1] == 'a') ? 1 : 0; 5559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma name = dev = type = link = addr = NULL; 5579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; *argv; argv++) { 5589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist objectlist[] = { {"type", 0}, {"name", 1}, {"link", 2}, 5599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"address", 3}, {NULL,-1}}; 5609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t idx = substring_to_idx(*argv, objectlist); 5619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!idx) { 5639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma type = *++argv; 5649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 5659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (idx == 1) dev = name = *++argv; 5679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (idx == 2) link = *++argv; 5689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (idx == 3) addr = *++argv; 5699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (!dev) name = dev = *argv; 5709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!name && !add) 5739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Not enough information: \"dev\" argument is required.\n"); 5749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (!type && add) 5759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Not enough information: \"type\" argument is required.\n"); 5769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 5779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&request, 0, sizeof(request)); 5789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); 5799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK; 5809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (add) { 5819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL; 5829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_type = RTM_NEWLINK; 5839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else { 5849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_type = RTM_DELLINK; 5859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.info.ifi_index = get_ifaceindex(name, 1); 5869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 5879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.info.ifi_family = AF_UNSPEC; 5889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma attr = NLMSG_TAIL(&request.mhdr); 5899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (type) { 5909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 5919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFLA_LINKINFO, NULL, 0); 5929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 5939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFLA_INFO_KIND, type, strlen(type)); 5949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!strcmp(type, "vlan")) { 5959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *data = NLMSG_TAIL(&request.mhdr); 5969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 5979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFLA_INFO_DATA, NULL, 0); 5989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma vlan_parse_opt(++argv, &request.mhdr, sizeof(request)); 5999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma data->rta_len = (void *)NLMSG_TAIL(&request.mhdr) - (void *)data; 6009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma attr->rta_len = (void *)NLMSG_TAIL(&request.mhdr) - (void *)attr; 6029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 6049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (link) { 6059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t idx = get_ifaceindex(link, 1); 6069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 6079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFLA_LINK, &idx, sizeof(uint32_t)); 6089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addr) { 6109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char abuf[IF_NAMESIZE] = {0,}; 6119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 6129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma fill_hwaddr(addr, IF_NAMESIZE, (unsigned char *)abuf); 6139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 6149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFLA_ADDRESS, abuf, strlen(abuf)); 6159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!name) { 6179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(toybuf, IFNAMSIZ, "%s%d", type, 0); 6189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (len = 1; ; len++) { 6199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!get_ifaceindex(toybuf, 0)) break; 6209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(toybuf, IFNAMSIZ, "%s%d", type, len); 6219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma name = toybuf; 6239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma len = strlen(name) + 1; 6259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (len < 2 || len > IFNAMSIZ) error_exit("Invalid device name."); 6269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), IFLA_IFNAME, name, len); 6279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 6289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(0, 0, 0, (void *)&request, request.mhdr.nlmsg_len); 6299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return (filter_nlmesg(NULL,NULL)); 6309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 6319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 6329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int link_set(char **argv) 6339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 6349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist cmd_objectlist[] = {{"up", 0}, {"down", 1}, {"arp", 2}, 6359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"multicast", 3}, {"dynamic", 4}, {"name", 5}, {"txqueuelen", 6}, 6369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"mtu", 7},{"address", 8}, {"broadcast", 9}, {NULL,-1}}; 6379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int case_flags[] = {IFF_NOARP,IFF_MULTICAST,IFF_DYNAMIC}; 6389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifreq req; 6399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx, flags = 0, masks = 0xffff, fd; 6409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 6419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&req, 0, sizeof(req)); 6429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) error_exit("\"dev\" missing"); 64382effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(req.ifr_name, *argv, IF_NAMESIZE); 6449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma fd = xsocket(AF_INET, SOCK_DGRAM, 0); 6459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCGIFINDEX, &req); 6469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (++argv; *argv;) { 647e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if ((idx = substring_to_idx(*argv++, cmd_objectlist)) == -1) help_exit(0); 6489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch(idx) { 6499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: 6509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma flags |= IFF_UP; break; 6519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: 6529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma masks &= ~IFF_UP; break; 6539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: 6549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 3: 6559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 4: 656e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if (!*argv) help_exit(0); 6579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (!strcmp(*argv, "on")) { 6589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx == 2) { 6599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma masks &= ~case_flags[idx-2]; 6609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma flags &= ~case_flags[idx-2]; 6619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else flags |= case_flags[idx-2]; 6629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else if (!strcmp(*argv,"off")) { 6639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx == 2) { 6649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma masks |= case_flags[idx-2]; 6659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma flags |= case_flags[idx-2]; 6669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else masks &= ~case_flags[idx-2]; 667e5354ca12a232b3f97726214254a868771cb70d1Rob Landley } else help_exit(0); 6689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ++argv; 6699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 5: 67182effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(req.ifr_ifru.ifru_newname, *argv, IF_NAMESIZE); 6729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFNAME, &req); 67382effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(req.ifr_name, *argv++, IF_NAMESIZE); 6749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCGIFINDEX, &req); 6759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 6: 6779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifr_ifru.ifru_ivalue = atolx(*argv++); 6789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFTXQLEN, &req); 6799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 7: 6819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifr_ifru.ifru_mtu = atolx(*argv++); 6829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFMTU, &req); 6839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 8: 6859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCGIFHWADDR, &req); 6869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma fill_hwaddr(*argv++, IF_NAMESIZE, 6879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (unsigned char *)(req.ifr_hwaddr.sa_data)); 6889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFHWADDR, &req); 6899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 9: 6919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCGIFHWADDR, &req); 6929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma fill_hwaddr(*argv++, IF_NAMESIZE, 6939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (unsigned char *)(req.ifr_hwaddr.sa_data)); 6949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFHWBROADCAST, &req); 6959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 6969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 6989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCGIFFLAGS, &req); 6999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifr_ifru.ifru_flags |= flags; 7009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifr_ifru.ifru_flags &= masks; 7019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xioctl(fd, SIOCSIFFLAGS, &req); 7029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xclose(fd); 7039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 7049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 7059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void print_stats(struct rtnl_link_stats *rtstat) 7079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 7089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *line_feed = (!TT.singleline ? "\n " : " "); 7099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.stats > 0) { 7119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf(" RX: bytes packets errors " 7129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "dropped overrun mcast%s%-10u %-8u %-7u %-8u %-8u %-8u\n", 7139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma line_feed, rtstat->rx_bytes, rtstat->rx_packets, rtstat->rx_errors, 7149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->rx_dropped, rtstat->rx_over_errors, rtstat->multicast); 7159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.stats > 1) { 7169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf(" RX: errors length crc " 7179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "frame fifo missed%s%-10u %-8u %-7u %-8u %-8u %-8u\n", 7189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma line_feed, rtstat->rx_errors, rtstat->rx_length_errors, 7199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->rx_crc_errors, rtstat->rx_frame_errors, 7209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->rx_fifo_errors, rtstat->rx_missed_errors); 7219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 7229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf(" TX: bytes packets errors " 7239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "dropped carrier collsns%s%-10u %-8u %-7u %-8u %-8u %-8u\n", 7249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma line_feed, rtstat->tx_bytes, rtstat->tx_packets, rtstat->tx_errors, 7259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->tx_dropped, rtstat->tx_carrier_errors, rtstat->collisions); 7269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.stats > 1) { 7279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf(" TX: errors aborted fifo window " 7289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "heartbeat%s%-10u %-8u %-7u %-8u %-8u\n", 7299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma line_feed, rtstat->tx_errors, rtstat->tx_aborted_errors, 7309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->tx_fifo_errors, rtstat->tx_window_errors, 7319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma rtstat->tx_heartbeat_errors); 7329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 7339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 7349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 7359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int print_link_output(struct linkdata *link) 7379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 7389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *line_feed = " ", *flags,*peer = "brd"; 7399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist iface_flags[] = {{"",0},{"UP", IFF_UP}, 7409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"BROADCAST", IFF_BROADCAST}, {"DEBUG", IFF_DEBUG}, 7419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"LOOPBACK", IFF_LOOPBACK}, {"POINTOPOINT", IFF_POINTOPOINT}, 7429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"NOTRAILERS", IFF_NOTRAILERS}, {"RUNNING", IFF_RUNNING}, 7439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"NOARP", IFF_NOARP}, {"PROMISC",IFF_PROMISC}, 7449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"ALLMULTI", IFF_ALLMULTI}, {"MASTER", IFF_MASTER}, {"SLAVE", IFF_SLAVE}, 7459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"MULTICAST", IFF_MULTICAST}, {"PORTSEL", IFF_PORTSEL}, 7469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"AUTOMEDIA", IFF_AUTOMEDIA}, {"DYNAMIC", IFF_DYNAMIC}, {NULL,-1}}; 7479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (link->parent != -1) { 7499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int fd = 0; 7509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifreq req; 7519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&req, 0, sizeof(req)); 7539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if_indextoname( link->parent,req.ifr_ifrn.ifrn_name); 7549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma fd = xsocket(AF_INET, SOCK_DGRAM, 0); 7559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ioctl(fd, SIOCGIFTXQLEN, &req)) perror(""); 7569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else link->txqueuelen = req.ifr_ifru.ifru_ivalue; 7579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xclose(fd); 7589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 7599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 76001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.is_addr && addrinfo.label && fnmatch(addrinfo.label, link->iface, 0)) 7619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 7629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!(flags = get_flag_string(iface_flags, link->flags, 1))) 7659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid data."); 7669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!TT.singleline) line_feed="\n "; 7679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (link->parent != -1) { 7689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char iface[IF_NAMESIZE]; 7699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!if_indextoname(link->parent, iface)) perror_exit(NULL); 7719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(toybuf,"%s@%s", link->iface, iface); 7729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 77301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (link->flags & IFF_POINTOPOINT) peer = "peer"; 7749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.is_addr && TT.singleline && TT.addressfamily) 7759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf("%d: %s", link->iface_idx, 7769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((link->parent == -1) ? link->iface : toybuf)); 7779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else xprintf("%d: %s: <%s> mtu %d qdisc %s state %s qlen %d", 7789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->iface_idx, ((link->parent == -1) ? link->iface : toybuf), flags, 7799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->mtu, link->qdiscpline, link->state, link->txqueuelen); 7809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!TT.addressfamily || TT.addressfamily == AF_PACKET) 7829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xprintf("%slink/%s %s %s %s", 7839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma line_feed, link->type, link->laddr, peer ,link->bcast); 7849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xputc('\n'); 7869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma //user can specify stats flag two times 7889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma //one for stats and other for erros e.g. -s and -s -s 7899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma print_stats(&link->rt_stat); 7909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma free(flags); 7919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 7939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 7949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 7959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void fill_address(void *p, char *ip) 7969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 7979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma unsigned char *ptr = (unsigned char*)p; 7989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(ip, 64, " %02x:%02x:%02x:%02x:%02x:%02x", 7999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5]); 8009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 8019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 8029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int get_link_info(struct nlmsghdr* h,struct linkdata* link,char **argv) 8039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 8049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifinfomsg *iface = NLMSG_DATA(h); 8059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *attr = IFLA_RTA(iface); 8069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len = h->nlmsg_len - NLMSG_LENGTH(sizeof(*iface)); 8079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist hwtypes[]={{"generic",0},{"ether",ARPHRD_ETHER}, 8089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"loopback", ARPHRD_LOOPBACK},{"sit",ARPHRD_SIT}, 8099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifdef ARPHRD_INFINIBAND 8109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"infiniband",ARPHRD_INFINIBAND}, 8119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 8129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifdef ARPHRD_IEEE802_TR 8139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"ieee802",ARPHRD_IEEE802}, {"tr",ARPHRD_IEEE802_TR}, 8149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#else 8159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"tr",ARPHRD_IEEE802}, 8169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 8179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifdef ARPHRD_IEEE80211 8189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"ieee802.11",ARPHRD_IEEE80211}, 8199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 8209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifdef ARPHRD_IEEE1394 8219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"ieee1394",ARPHRD_IEEE1394}, 8229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 8239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"irda",ARPHRD_IRDA},{"slip",ARPHRD_SLIP},{"cslip",ARPHRD_CSLIP}, 8249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"slip6",ARPHRD_SLIP6}, {"cslip6",ARPHRD_CSLIP6}, {"ppp",ARPHRD_PPP}, 8259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"ipip",ARPHRD_TUNNEL}, {"tunnel6",ARPHRD_TUNNEL6}, 8269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"gre",ARPHRD_IPGRE}, 8279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#ifdef ARPHRD_VOID 8289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"void",ARPHRD_VOID}, 8299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma#endif 8309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {NULL,-1}}; 8319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *lname = get_flag_string(hwtypes, iface->ifi_type, 0); 8329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 8339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->next = link->prev = 0; 8349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->iface_type = iface->ifi_type; 8359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!lname) error_exit("Invalid link."); 83682effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(link->type, lname, IFNAMSIZ); 8379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma free(lname); 8389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->iface_idx = iface->ifi_index; 8399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->flags = iface->ifi_flags; 8409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*argv && !strcasecmp("up",*argv) && !(link->flags & IFF_UP)) return 1; 8419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->parent = -1; 8429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; RTA_OK(attr, len); attr = RTA_NEXT(attr, len)) { 8439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch(attr->rta_type) { 8449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_IFNAME: 8459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(link->iface, IFNAMSIZ, "%s",(char *) RTA_DATA(attr)); 8469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_ADDRESS: 8489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ( iface->ifi_type== ARPHRD_TUNNEL || 8499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma iface->ifi_type == ARPHRD_SIT || 8509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma iface->ifi_type == ARPHRD_IPGRE) 8519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma inet_ntop(AF_INET, RTA_DATA(attr), link->laddr, 64); 8529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else fill_address(RTA_DATA(attr), link->laddr); 8539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_BROADCAST: 8559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (iface->ifi_type== ARPHRD_TUNNEL || 8569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma iface->ifi_type == ARPHRD_SIT || 8579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma iface->ifi_type == ARPHRD_IPGRE) 8589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma inet_ntop(AF_INET, RTA_DATA(attr), link->bcast, 64); 8599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else fill_address(RTA_DATA(attr), link->bcast); 8609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_MTU: 8629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->mtu = *((int*)(RTA_DATA(attr))); 8639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_QDISC: 8659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma snprintf(link->qdiscpline, IFNAMSIZ, "%s", (char *) RTA_DATA(attr)); 8669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_STATS : 8689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->rt_stat = *((struct rtnl_link_stats*) RTA_DATA(attr)); 8699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_LINK: 8719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->parent = *((int*)(RTA_DATA(attr))); 8729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_TXQLEN: 8749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link->txqueuelen = *((int*)(RTA_DATA(attr))); 8759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case IFLA_OPERSTATE: 8779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 8789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist flags[]={{"UNKNOWN", 0}, {"NOTPRESENT", 1}, 8799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"DOWN", 2}, {"LOWERLAYERDOWN", 3}, {"TESTING", 4}, 8809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"DORMANT", 5}, {"UP", 6}, {NULL, -1}}; 8819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!(lname = get_flag_string(flags, *((int*)(RTA_DATA(attr))), 0))) 8829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid state."); 88382effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(link->state, lname,IFNAMSIZ); 8849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma free(lname); 8859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 8869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 8879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: break; 8889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 8899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 8909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 8919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 8929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 8939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int display_link_info(struct nlmsghdr *mhdr, char **argv) 8949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 8959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct linkdata link; 8969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 89701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!get_link_info(mhdr, &link, argv)) { 89801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.is_addr) { 8999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct linkdata *lnk = xzalloc(sizeof(struct linkdata)); 9009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memcpy(lnk, &link, sizeof(struct linkdata)); 9019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma dlist_add_nomalloc((struct double_list **)&linfo, 9029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (struct double_list *)lnk); 9039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else print_link_output(&link); 9059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 9079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 9089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int link_show(char **argv) 9109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 9119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct { 9129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr mhdr; 9139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifinfomsg info; 9149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } request; 9159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t index = 0; 9169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*argv && strcasecmp("up",*argv)) index = get_ifaceindex(*argv, 1); 9189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&request, 0, sizeof(request)); 9199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); 9209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK; 9219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!index) request.mhdr.nlmsg_flags |= NLM_F_ROOT|NLM_F_MATCH; 9229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else request.info.ifi_change = 0xffffffff; // used in single operation 9239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_type = RTM_GETLINK; 9249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.info.ifi_index = index; 9259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.info.ifi_family = AF_UNSPEC; 9269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(0, 0, 0, (void*)&request, sizeof(request)); 9279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return (filter_nlmesg(display_link_info, argv)); 9289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 9299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int iplink(char **argv) 9319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 9329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; 9339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma cmdobj ipcmd, cmdobjlist[] = {linkupdate, link_set, link_show}; 9349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist cmd_objectlist[] = {{"add", 0}, {"delete", 0}, 9359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"set", 1}, {"show", 2}, {"list", 2}, {"lst", 2}, {NULL,-1}}; 9369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) idx = 2; 938e5354ca12a232b3f97726214254a868771cb70d1Rob Landley else if ((idx = substring_to_idx(*argv++, cmd_objectlist)) == -1) 939e5354ca12a232b3f97726214254a868771cb70d1Rob Landley help_exit(0); 9409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipcmd = cmdobjlist[idx]; 9419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return ipcmd(argv); 9429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 9439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 9459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Code for ip addr. 9469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 9479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int print_addrinfo(struct nlmsghdr *h, int flag_l) 9499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 9509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *rta, *rta_tb[IFA_MAX+1] = {0,}; 9519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *family = toybuf, *scope = toybuf+256, *label = toybuf+512, 9529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *brd = toybuf+768, *peer = toybuf+1024, *any = toybuf+1280, 9539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf[INET6_ADDRSTRLEN] = {0,}, lbuf_ifa[INET6_ADDRSTRLEN] = {0,}; 9549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifaddrmsg *ifa = NLMSG_DATA(h); 9559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len; 9569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((len = h->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))) < 0) { 9589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("wrong nlmsg len %d", len); 9599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 9609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (rta = IFA_RTA(ifa); RTA_OK(rta, len); rta=RTA_NEXT(rta, len)) 9639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta->rta_type <= IFA_MAX) rta_tb[rta->rta_type] = rta; 9649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rta_tb[IFA_LOCAL]) rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS]; 9669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rta_tb[IFA_ADDRESS]) rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL]; 9679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((addrinfo.scope ^ ifa->ifa_scope)&addrinfo.scopemask) return 0; 9689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.ifindex && addrinfo.ifindex != ifa->ifa_index) return 0; 9699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (flag_l && addrinfo.label && ifa->ifa_family == AF_INET6) return 0; 9719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((rta_tb[IFA_LABEL])) { 97282effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(label, RTA_DATA(rta_tb[IFA_LABEL]), 256); 97301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley label[255] = '\0'; 97401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (addrinfo.label && fnmatch(addrinfo.label, label, 0)) 9759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 9769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.flush) { 9799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ifa->ifa_index == addrinfo.ifindex) { 9809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma h->nlmsg_type = RTM_DELADDR; 9819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma h->nlmsg_flags = NLM_F_REQUEST; 9829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(RTM_DELADDR, 0, 0, h, h->nlmsg_len); 9839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 9849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (h->nlmsg_type == RTM_DELADDR) printf("Deleted "); 9889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.singleline) { 9909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!if_indextoname(ifa->ifa_index, lbuf)) perror_exit(NULL); 9919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%u: %s",ifa->ifa_index, lbuf); 9929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 9939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(scope, " scope %s ", namefromRPDB(ifa->ifa_scope, RPDB_rtscopes)); 9959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 9969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ifa->ifa_family == AF_INET) strcpy(family, " inet "); 9979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (ifa->ifa_family == AF_INET6) strcpy(family, " inet6 "); 9989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else sprintf(family, " family %d", ifa->ifa_family); 9999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta_tb[IFA_LOCAL]) { 10019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!inet_ntop(ifa->ifa_family, RTA_DATA(rta_tb[IFA_LOCAL]), 10029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf, sizeof(lbuf))) perror_exit("inet"); 10039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(family+strlen(family), lbuf, strlen(lbuf)); 10059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!rta_tb[IFA_ADDRESS] || !memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), 10069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RTA_DATA(rta_tb[IFA_LOCAL]), 4)) 10079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(family+strlen(family), "/%d ", ifa->ifa_prefixlen); 10089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else { 10099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!inet_ntop(ifa->ifa_family, RTA_DATA(rta_tb[IFA_ADDRESS]), 10109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf_ifa, sizeof(lbuf_ifa))) perror_exit("inet"); 10119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(peer, " peer %s/%d ", lbuf_ifa, ifa->ifa_prefixlen); 10129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 10139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 10149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.to && strcmp(addrinfo.addr, lbuf)) 10169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 10179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta_tb[IFA_BROADCAST]) { 10199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!inet_ntop(ifa->ifa_family, RTA_DATA(rta_tb[IFA_BROADCAST]), 10209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf, sizeof(lbuf))) perror_exit("inet"); 10219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(brd, " brd %s", lbuf); 10229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma }else brd = ""; 10239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta_tb[IFA_ANYCAST]) { 10259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!inet_ntop(ifa->ifa_family, RTA_DATA(rta_tb[IFA_ANYCAST]), 10269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf, sizeof(lbuf))) perror_exit("inet"); 10279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma sprintf(any, " any %s", lbuf); 10289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 10299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ifa->ifa_family == AF_INET) 10319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%s%s%s%s%s %c", family, brd, peer, scope, label, 10329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (TT.singleline? '\0' : '\n')); 10339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else printf("%s%s %c", family, scope, (TT.singleline? '\0' : '\n')); 10349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.singleline && (ifa->ifa_family == AF_INET)) xputc('\n'); 10359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta_tb[IFA_CACHEINFO]) { 10379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]); 10389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%c valid_lft ", (TT.singleline? '\\' : '\0')); 10409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ci->ifa_valid == 0xFFFFFFFFU) printf("forever"); 10419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else printf("%usec", ci->ifa_valid); 10429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf(" preferred_lft "); 10439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (ci->ifa_prefered == 0xFFFFFFFFU) printf("forever"); 10449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else printf("%dsec", ci->ifa_prefered); 10459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xputc('\n'); 10469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 10479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 10489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 10499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ipaddrupdate(char **argv) 10519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 10529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int length, cmd = !memcmp("add", argv[-1], strlen(argv[-1])) 10539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ? RTM_NEWADDR: RTM_DELADDR; 10549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx = 0,length_brd = 0, length_peer = 0,length_any = 0,length_local = 0, 10559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma scoped = 0; 10569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *dev = NULL,*label = NULL, reply[8192]; 10579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr *addr_ptr = NULL; 10599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsgerr *err = NULL; 10609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist cmd_objectlist[] = {{"dev",0}, {"peer", 1}, 10619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"remote", 2}, {"broadcast", 3}, {"brd", 4}, {"label", 5}, 10629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"anycast", 6},{"scope", 7}, {"local", 8}, {NULL, -1}}; 106301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct { 10649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr nlm; 10659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifaddrmsg ifadd; 10669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char buf[256]; 10679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } req; 106801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley typedef struct { 10699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int family, bytelen, bitlen; 10709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma __u32 data[8]; 107101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } option_data; 10729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma option_data local; 10739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 10749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&req, 0, sizeof(req)); 10759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlm.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)); 10769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlm.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK; 10779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.nlm.nlmsg_type = cmd; 10789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family = TT.addressfamily; 10799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 108001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley while (*argv) { 10819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma idx = substring_to_idx(*argv, cmd_objectlist); 10829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (idx >= 0) 10839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) 10849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Incomplete Command line"); 10859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch(idx) { 10869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: 10879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma dev = *argv; 10889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 10899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: 10909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: 10919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 10929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}, netmask = 0; 10939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t len = 0; 10949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parse_prefix(addr, &netmask, &len, *argv, 10959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family); 10969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (len) 10979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family = ((len == 4) ? AF_INET : AF_INET6); 10989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_peer = len; 10999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_ADDRESS, addr, len); 11019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_prefixlen = netmask; 11029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 3: 11059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 4: 11069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*argv[0] == '+') { 11079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_brd = -1; 11089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else if (*argv[0] == '-') { 11099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_brd = -2; 11109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else { 11119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}; 11129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t af = AF_UNSPEC; 11139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_prefix(addr, &af, *argv, req.ifadd.ifa_family)) 11159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid prefix"); 11169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_brd = ((af == AF_INET6) ? 16 : 4); 11189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (req.ifadd.ifa_family == AF_UNSPEC) 11199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family = af; 11209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_BROADCAST, &addr, length_brd); 11229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 5: 11259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma label = *argv; 11269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_LABEL, label, strlen(label) + 1); 11289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 6: 11309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 11319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}; 11329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t af = AF_UNSPEC; 11339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_prefix(addr, &af, *argv, req.ifadd.ifa_family)) 11359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid prefix"); 11369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_any = ((af == AF_INET6) ? 16 : 4); 11379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (req.ifadd.ifa_family == AF_UNSPEC) 11389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family = af; 11399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 114001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley IFA_ANYCAST, &addr, length_any); 11419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 7: 114401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 114501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int scope = idxfromRPDB(*argv, RPDB_rtscopes); 114601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (scope < 0) error_exit("wrong scope '%s'", *argv); 114701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.ifadd.ifa_scope = scope; 114801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley scoped = 1; 11499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: 11529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 11539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma //local is by default 11549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[8] = {0,}, netmask = 0; 11559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t len = 0; 11569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parse_prefix(addr, &netmask, &len, *argv, 11589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family); 11599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (len) 11609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_family = ((len == 4) ? AF_INET : AF_INET6); 11619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_local = len; 11629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma local.bitlen = netmask; 11639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma local.bytelen = len; 11649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memcpy(local.data, addr, sizeof(local.data)); 11659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma local.family = req.ifadd.ifa_family; 11669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_LOCAL, &local.data, local.bytelen); 11689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 11709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma argv++; 11729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!dev) error_exit("need \"dev \" argument"); 11749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (label && strncmp(dev, label, strlen(dev)) != 0) 11759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("\"dev\" (%s) must match \"label\" (%s)", dev, label); 11769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (length_peer == 0 && length_local && cmd != RTM_DELADDR){ 11789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_ADDRESS, &local.data, local.bytelen); 11809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (length_brd < 0 && cmd != RTM_DELADDR){ 11839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int i; 11849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (req.ifadd.ifa_family != AF_INET) 11869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("broadcast can be set only for IPv4 addresses"); 11879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 11889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (local.bitlen <= 30) { 11899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (i = 31; i >= local.bitlen; i--) { 11909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (length_brd == -1) 11919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma local.data[0] |= htonl(1<<(31-i)); 11929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else 11939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma local.data[0] &= ~htonl(1<<(31-i)); 11949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&req.nlm, sizeof(req), 11969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma IFA_BROADCAST, &local.data, local.bytelen); 11979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length_brd = local.bytelen; 11989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 11999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (req.ifadd.ifa_prefixlen == 0) 12019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_prefixlen = local.bitlen; 12029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!scoped && (cmd != RTM_DELADDR) && (local.family == AF_INET) 12039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma && (local.bytelen >= 1 && *(uint8_t*)&local.data == 127)) 12049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_scope = RT_SCOPE_HOST; 12059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma req.ifadd.ifa_index = get_ifaceindex(dev, 1); 12069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(RTM_NEWADDR, 0, AF_UNSPEC, (void *)&req, req.nlm.nlmsg_len); 12089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma length = recv(TT.sockfd, reply, sizeof(reply), 0); 12099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addr_ptr = (struct nlmsghdr *) reply; 12109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; NLMSG_OK(addr_ptr, length); addr_ptr = NLMSG_NEXT(addr_ptr, length)) { 12119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addr_ptr->nlmsg_type == NLMSG_DONE) 12129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 12139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addr_ptr->nlmsg_type == NLMSG_ERROR) 12149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma err = (struct nlmsgerr*) NLMSG_DATA(addr_ptr); 121501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (err && err->error) { 12169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma errno = -err->error; 12179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma perror_exit("RTNETLINK answers:"); 12189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 12219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 12229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ipaddr_listflush(char **argv) 12249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 12259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; uint32_t netmask = 0, found = 0; 12269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *tmp = NULL, *name = NULL; 12279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct double_list *dlist; 12289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist cmd_objectlist[] = {{"to", 0}, {"scope", 1}, {"up", 2}, 12299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"label", 3}, {"dev", 4}, {NULL, -1}}; 12309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.flush = *argv[-1] == 'f' ? 1 : 0; 12329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&addrinfo, 0, sizeof(addrinfo)); 12339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.flush) { 12359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) 12369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Incomplete command for \"flush\""); 12379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.addressfamily == AF_PACKET) 12389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Can't flush link Addressess"); 12399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.scope = -1; 12419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (*argv) { 12429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch (idx = substring_to_idx(*argv, cmd_objectlist)) { 12439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: 12449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {// ADDR_TO 12459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Incomplete Command line"); 124601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (!strcmp(*argv, "0")) return 0; 12479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}; 12489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t len = 0; 12499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.to = 1; 12519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parse_prefix(addr, &netmask, &len, *argv, TT.addressfamily); 12529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (len) 12539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.addressfamily = ((len == 4) ? AF_INET : AF_INET6); 12549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.addr = strtok(*argv, "/"); 12559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 12579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: // ADDR_SCOPE 125801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 125901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int scope = 0; 126001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("Incomplete Command line"); 126101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley name = *argv; 12629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 126301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley addrinfo.scopemask = -1; 126401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (isdigit(**argv)) { 126501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx = atolx(*argv); 12669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 126701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley name = xstrdup(namefromRPDB(idx, RPDB_rtscopes)); 126801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 126901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((scope = idxfromRPDB(name, RPDB_rtscopes)) < 0) { 127001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (strcmp(name, "all")) 127101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("wrong scope '%s'", name); 127201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley scope = RT_SCOPE_NOWHERE; 127301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley addrinfo.scopemask = 0; 127401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 12759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 127601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (isdigit(**argv)) 127701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley free(name); 127801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley addrinfo.scope = scope; 12799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 12819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: // ADDR_UP 12829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.up = 1; 12839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 12849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 3: // ADDR_LABEL 12859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Incomplete Command line"); 12869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.label = *argv; 12879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 12889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 4: // ADDR_DEV 12899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Incomplete Command line"); 12909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 12919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: 12929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.filter_dev) 12939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Either \"dev\" is duplicate or %s is garbage", 12949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *argv); 12959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.filter_dev = *argv; 12969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 12979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 12989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma argv++; 12999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma link_show(&tmp); 13029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while ( linfo && (dlist = dlist_pop(&linfo))){ 13039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct linkdata *tmp = (struct linkdata*) dlist; 13049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *temp = &tmp->iface[0]; 13059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.filter_dev && strcmp(TT.filter_dev, temp)) 13079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma found = 1; 13099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.flush && addrinfo.label) ipaddr_print( tmp, 0); 13109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.up && !(tmp->flags & IFF_UP)){ 13119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipaddr_print(tmp, 0); 13129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.label){ 13159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ( fnmatch(addrinfo.label, temp, 0)) { 13169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipaddr_print(tmp, 1); 13179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!TT.addressfamily && ! TT.flush ) print_link_output(tmp); 13219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipaddr_print(tmp, 0); 13239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma free(tmp); 13249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.filter_dev && !found) 13269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Device \"%s\" doesn't exist. \n", TT.filter_dev); 13279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 13289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 13299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ipaddr_print( struct linkdata *link, int flag_l) 13319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 13329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr *addr_ptr; 13339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int ip_match = 0; 13349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addrinfo.ifindex = link->iface_idx; 13369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(RTM_GETADDR, NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST, 13379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma AF_UNSPEC, NULL, 0); 13389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.addressfamily == AF_PACKET) print_link_output(link); 13399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 134001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (addrinfo.label){ 13419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *col = strchr(addrinfo.label, ':'); 13429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!col && (fnmatch(addrinfo.label, &link->iface[0], 0))) 13439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 13449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (1){ 13479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len = recv(TT.sockfd, TT.gbuf, sizeof(TT.gbuf), 0); 13489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addr_ptr = (struct nlmsghdr *)TT.gbuf; 13499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct ifaddrmsg *addressInfo = NLMSG_DATA(addr_ptr); 13509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char lbuf[INET6_ADDRSTRLEN]; 13519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *rta, *rta_tb[IFA_MAX+1] = {0,}; 13529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 13539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int len1 = addr_ptr->nlmsg_len - NLMSG_LENGTH(sizeof(*addressInfo)); 13549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (len1 > 0) { 13559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; NLMSG_OK(addr_ptr, len); addr_ptr = NLMSG_NEXT(addr_ptr, len)) { 135601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley addressInfo = NLMSG_DATA(addr_ptr); 13579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.addressfamily && TT.addressfamily != addressInfo->ifa_family) 13589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.ifindex && addrinfo.ifindex != addressInfo->ifa_index) 13609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 136201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (addrinfo.to) { 13639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(rta_tb, 0, sizeof(rta_tb)); 13649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int rt_len = IFA_PAYLOAD(addr_ptr); 13659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (rta = IFA_RTA(addressInfo); RTA_OK(rta, rt_len); rta=RTA_NEXT(rta, rt_len)) { 13669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta->rta_type <= IFA_MAX) rta_tb[rta->rta_type] = rta; 13679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 136801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!rta_tb[IFA_LOCAL]) rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS]; 13699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta_tb[IFA_LOCAL]) { 13709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!inet_ntop(TT.addressfamily, RTA_DATA(rta_tb[IFA_LOCAL]), 13719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma lbuf, sizeof(lbuf))) perror_exit("inet"); 13729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (strcmp(addrinfo.addr, lbuf)) 13739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ip_match=1; 13759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 137601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!ip_match) 13779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 138001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!TT.flush){ 13819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.scope != -1 && TT.addressfamily && TT.addressfamily == 13829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma addressInfo->ifa_family && 13839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (addrinfo.ifindex == addressInfo->ifa_index)) { 138401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((addrinfo.scope ^ addressInfo->ifa_scope) & addrinfo.scopemask) 13859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 13869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (addrinfo.up && (link->flags & IFF_UP)) 13879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma print_link_output(link); 13889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (!addrinfo.up) print_link_output(link); 13899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (TT.addressfamily && 13919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (addrinfo.ifindex == addressInfo->ifa_index) && 13929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (addrinfo.scope == -1)){ 13939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (addrinfo.up && (link->flags & IFF_UP)) 13949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma print_link_output(link); 13959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (!addrinfo.up) print_link_output(link); 13969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 13979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 139801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 13999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; NLMSG_OK(addr_ptr, len); addr_ptr = NLMSG_NEXT(addr_ptr, len)) { 14009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((addr_ptr->nlmsg_type == RTM_NEWADDR)) 14019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma print_addrinfo(addr_ptr, flag_l); 14029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((addr_ptr->nlmsg_type == NLMSG_DONE) || 14039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (addr_ptr->nlmsg_type == NLMSG_ERROR) || 14049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (TT.flush && addrinfo.to)) 14059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma goto ret_stop; 14069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 140701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((addr_ptr->nlmsg_type == NLMSG_DONE) || 140801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley (addr_ptr->nlmsg_type == NLMSG_ERROR)) 140901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 14109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 14119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 14129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else 14139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 14149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 14159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 14169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmaret_stop: 14179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 14189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 14199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 14209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ipaddr(char **argv) 14219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 14229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; 14239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma cmdobj ipcmd, cmdobjlist[] = {ipaddrupdate, ipaddr_listflush}; 14249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist cmd_objectlist[] = { {"add", 0}, {"delete", 0}, 14259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"list", 1},{"show", 1},{"lst", 1}, {"flush", 1}, {NULL,-1}}; 14269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 14279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.is_addr++; 14289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) idx = 1; 1429e5354ca12a232b3f97726214254a868771cb70d1Rob Landley else if ((idx = substring_to_idx(*argv++, cmd_objectlist)) == -1) 1430e5354ca12a232b3f97726214254a868771cb70d1Rob Landley help_exit(0); 14319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 14329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipcmd = cmdobjlist[idx]; 14339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return ipcmd(argv); 14349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 14359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 14369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 143701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley// code for ip route 14389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 143901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystruct I_data { 144001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned char family; 144101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint32_t addr[8] , netmask ; 144201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint8_t len ; 144301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley}; 144401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 144501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystruct { 144601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int tb,idev,odev,proto; 144701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct I_data rvia, rdst, mdst, rsrc, msrc; 144801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} gfilter; 144901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 145001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic void show_iproute_help(void) 145101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 145201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *errmsg = "\n\n" \ 145301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley "iproute { list | flush } SELECTOR\n" \ 145401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley "iproute get ADDRESS [from ADDRESS iif STRING]\n" \ 145501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " [oif STRING]\n" \ 145601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley "iproute { add | del | change | append | replace | test } ROUTE\n" \ 145701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n" \ 145801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " ROUTE := [TYPE] PREFIX [proto RTPROTO] [metric METRIC]"; 145901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 146001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit(errmsg); 146101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 146201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 146301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int display_route_info(struct nlmsghdr *mhdr, char **argv) 146401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 146501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *inetval = NULL, out[1024] = {0}; 146601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg *msg = NLMSG_DATA(mhdr); 146701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtattr *rta, *attr[RTA_MAX+1] = {0,}; 146801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int32_t tvar, msglen = mhdr->nlmsg_len - NLMSG_LENGTH(sizeof(struct rtmsg)); 146901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int hlen = ((msg->rtm_family == AF_INET) ? 32 147001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley : ((msg->rtm_family == AF_INET6) ? 128 : -1)); 147101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 147201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (mhdr->nlmsg_type != RTM_NEWROUTE) return 0; 147301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msglen < 0) return 1; 147401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 147501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_family == AF_INET6) { 147601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.tb) { 147701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.tb < 0) { 147801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!(msg->rtm_flags & RTM_F_CLONED)) return 0; 147901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else { 148001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_flags & RTM_F_CLONED) return 0; 148101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.tb == RT_TABLE_LOCAL && msg->rtm_type != RTN_LOCAL) 148201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 148301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (gfilter.tb == RT_TABLE_MAIN && msg->rtm_type == RTN_LOCAL) 148401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 148501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 148601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 148701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 148801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (gfilter.tb > 0 && gfilter.tb != msg->rtm_table) return 0; 148901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 149001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.proto && (msg->rtm_protocol != gfilter.proto)) return 0; 149101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 149201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 149301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rdst.family && (msg->rtm_family != gfilter.rdst.family || 149401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.rdst.netmask > msg->rtm_dst_len)) return 0; 149501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.mdst.family && (msg->rtm_family != gfilter.mdst.family 149601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley || (gfilter.mdst.netmask < msg->rtm_dst_len))) return 0; 149701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rsrc.family && (msg->rtm_family != gfilter.rsrc.family 149801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley || gfilter.rsrc.netmask > msg->rtm_src_len)) return 0; 149901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.msrc.family && (msg->rtm_family != gfilter.msrc.family 150001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley || (gfilter.msrc.netmask < msg->rtm_src_len))) return 0; 150101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley tvar = msglen; 150201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 150301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (rta = RTM_RTA(msg); RTA_OK(rta, tvar); rta=RTA_NEXT(rta, tvar)) 150401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rta->rta_type <= RTA_MAX) attr[rta->rta_type] = rta; 150501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 150601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_type != RTN_UNICAST) 150701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out,"%s%s ", out,rtmtype_idx2str(msg->rtm_type)); 150801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_DST]) { 150901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inetval = (char *)inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_DST]), 151001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley toybuf, sizeof(toybuf)); 151101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rdst.family && 151201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memcmp(RTA_DATA(attr[RTA_DST]), &gfilter.rdst.addr, gfilter.rdst.len)) 151301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 151401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.mdst.family && 151501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memcmp(RTA_DATA(attr[RTA_DST]), &gfilter.mdst.addr, gfilter.mdst.len)) 151601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 151701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out,"%s%s",out,inetval); 151801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 151901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_dst_len) sprintf(out,"%s/%d ", out,msg->rtm_dst_len); 152001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else sprintf(out,"%s%s",out,"default "); 152101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 152201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_SRC]) { 152301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inetval = (char *)inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_SRC]), 152401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley toybuf, sizeof(toybuf)); 152501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rsrc.family && 152601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memcmp(RTA_DATA(attr[RTA_SRC]), &gfilter.rsrc.addr, gfilter.rsrc.len)) 152701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 152801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.msrc.family && 152901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memcmp(RTA_DATA(attr[RTA_SRC]), &gfilter.msrc.addr, gfilter.msrc.len)) 153001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 153101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s from %s", out, inetval); 153201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 153301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_src_len) sprintf(out, "%s/%d ", out, msg->rtm_src_len); 153401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 153501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_GATEWAY]) { 153601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inetval = (char *)inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_GATEWAY]), 153701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley toybuf, sizeof(toybuf)); 153801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s via %s ", out, inetval); 153901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 154001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rvia.family) { 154101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char tmp[256]; 154201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 154301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!attr[RTA_GATEWAY]) return 0; 154401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (strcmp((char *)inet_ntop(msg->rtm_family, gfilter.rvia.addr, 154501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley tmp, sizeof(tmp)), inetval)) return 0; 154601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 154701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 154801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.odev != 0) if (!attr[RTA_OIF]) return 0; 154901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_OIF]) { 155001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.odev !=0 && gfilter.odev != *(int*)RTA_DATA(attr[RTA_OIF])) 155101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 155201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s dev %s ", out, 155301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if_indextoname(*(int*)RTA_DATA(attr[RTA_OIF]), toybuf)); 155401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 155501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 155601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_PREFSRC] && hlen) { 155701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inetval = (char *)inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_PREFSRC]), 155801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley toybuf, sizeof(toybuf)); 155901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s src %s ", out, inetval); 156001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 156101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_PRIORITY]) 156201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s metric %d ", out, *(uint32_t*)RTA_DATA(attr[RTA_PRIORITY])); 156301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_family == AF_INET6) { 156401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rta_cacheinfo *ci = NULL; 156501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_CACHEINFO]) ci = RTA_DATA(attr[RTA_CACHEINFO]); 156601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((msg->rtm_flags & RTM_F_CLONED) || (ci && ci->rta_expires)) { 156701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_flags & RTM_F_CLONED) sprintf(out, "%s%s cache ", 156801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley out, (!TT.singleline ? "\n" : " ")); 156901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ci && ci->rta_expires) { 157001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int hz = 0; 157101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley FILE *fp = xfopen("/proc/net/psched","r"); 157201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 157301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (fp) { 157401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned int nom, denom; 157501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 157601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) 157701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (nom == 1000000) 157801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley hz = denom; 157901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fclose(fp); 158001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 158101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!hz) hz = sysconf(_SC_CLK_TCK); 158201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s expires %dsec", out, ci->rta_expires /hz); 158301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 158401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ci && ci->rta_error) sprintf(out, "%s error %d", out, ci->rta_error); 158501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 158601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (ci && ci->rta_error) 158701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s error %d", out, ci->rta_error); 158801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 158901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_IIF] && !gfilter.idev) 159001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sprintf(out, "%s iif %s", out, 159101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if_indextoname(*(int*)RTA_DATA(attr[RTA_IIF]), toybuf)); 159201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.flush || (TT.connected && !TT.from_ok)) 159301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memcpy(toybuf, (void*)mhdr,mhdr->nlmsg_len); 159401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 159501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.flush) { 159601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int sockfd = 0; 159701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr* mhdr = (struct nlmsghdr*)toybuf; 159801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg *msg = NLMSG_DATA(mhdr); 159901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int tvar, msglen = mhdr->nlmsg_len - NLMSG_LENGTH(sizeof(struct rtmsg)); 160001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtattr *rta, *attr[RTA_MAX+1] = {0,}; 160101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 160201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley tvar = msglen; 160301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (rta = RTM_RTA(msg); RTA_OK(rta, tvar); rta=RTA_NEXT(rta, tvar)) 160401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rta->rta_type <= RTA_MAX) attr[rta->rta_type] = rta; 160501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 160601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msg->rtm_family == AF_INET6 160701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley && !msg->rtm_dst_len 160801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley && msg->rtm_type == RTN_UNREACHABLE 160901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley && attr[RTA_PRIORITY] 161001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley && *(int*)RTA_DATA(attr[RTA_PRIORITY]) == -1) 161101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 161201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 161301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; 161401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_type = RTM_DELROUTE; 161501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_pid = 0; 161601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sockfd = xsocket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); 161701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (send(sockfd , (void*)mhdr, mhdr->nlmsg_len, 0) < 0) 161801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley perror_exit("Unable to send data on socket."); 161901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 162001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley while (1) { 162101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr *mhdr; 162201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int msglen = recv(sockfd, toybuf, sizeof(toybuf), 0); 162301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 162401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((msglen < 0) && (errno == EINTR || errno == EAGAIN)) continue; 162501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (msglen < 0) { 162601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_msg("netlink receive error %s", strerror(errno)); 162701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(sockfd); 162801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 1; 162901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (!msglen) { 163001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_msg("EOF on netlink"); 163101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(sockfd); 163201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 1; 163301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 163401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 163501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (mhdr = (struct nlmsghdr*)toybuf; NLMSG_OK(mhdr, msglen); 163601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr = NLMSG_NEXT(mhdr, msglen)) { 163701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley switch (mhdr->nlmsg_type) { 163801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case NLMSG_DONE: 163901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(sockfd); 164001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 164101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case NLMSG_ERROR: 164201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 164301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsgerr *merr = (struct nlmsgerr*)NLMSG_DATA(mhdr); 164401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 164501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (merr->error == 0) { xclose(sockfd); return 0; } 164601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (mhdr->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) 164701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_msg("ERROR truncated"); 164801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 164901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley errno = -merr->error; 165001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley perror_msg("RTNETLINK answers"); 165101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 165201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(sockfd); 165301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 1; 165401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 165501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley default: 165601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 165701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 165801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } // End of for loop. 165901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } // End of while loop. 166001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 166101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(sockfd); 166201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else printf("%s\n",out); 166301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 166401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 166501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 166601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int route_get(char **argv) 16679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 166801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx, flag; 166901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist cmd_objectlist[] = {{"from", 0}, {"iif", 1}, {"oif", 2}, 167001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"dev", 3}, {"notify", 4}, {"connected", 5}, {"to", 6}, {NULL, -1}}; 167101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *idev = NULL, *odev = NULL; 167201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct { 167301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr mhdr; 167401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg msg; 167501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char buf[1024]; 167601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } request; 167701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 167801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&request, 0, sizeof(request)); 167901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); 168001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; 168101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_type = RTM_GETROUTE; 168201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.msg.rtm_family = AF_UNSPEC; 168301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 168401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (; *argv; argv++) { 168501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley switch(idx = substring_to_idx(*argv, cmd_objectlist)) { 168601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 0: TT.from_ok = 1; // dst address 168701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 6: argv++; //fallthrough 168801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley default: 168901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 169001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint32_t addr[8] = {0,}, netmask = 0; 169101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint8_t len = 0; 169201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 169301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*argv) error_exit("'%s': Missing Prefix", argv[-1]); 169401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(addr, &netmask, &len, *argv, request.msg.rtm_family); 169501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (len) request.msg.rtm_family = ((len == 4) ? AF_INET : AF_INET6); 169601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley netmask = (request.msg.rtm_family == AF_INET6) ? 128 : 32; 169701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!idx) request.msg.rtm_src_len = netmask; 169801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else request.msg.rtm_dst_len = netmask; 169901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&request.mhdr, sizeof(request), 170001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley (!idx ? RTA_SRC : RTA_DST), addr, len); 170101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 170201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 170301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 1: 170401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 2: 170501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 3: 170601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 170701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 1) idev = *argv, flag = RTA_IIF; 170801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else odev = *argv, flag = RTA_OIF; 170901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = get_ifaceindex(*argv, 1); 171001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&request.mhdr, sizeof(request), 171101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley flag, (char*)&idx, sizeof(idx)); 171201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 171301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 4: 171401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.msg.rtm_flags |= RTM_F_NOTIFY; 171501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 171601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 5: 171701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley TT.connected = 1; 171801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 171901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 172001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 172101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!request.msg.rtm_dst_len) 172201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("need at least destination address"); 172301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 172401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley send_nlmesg(0, 0, 0, &request, sizeof(request)); 172501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley filter_nlmesg(display_route_info, NULL); 172601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 172701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.connected && !TT.from_ok) { 172801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr *mhdr = (struct nlmsghdr*)toybuf; 172901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg *msg = NLMSG_DATA(mhdr); 173001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int tvar, msglen = mhdr->nlmsg_len - NLMSG_LENGTH(sizeof(struct rtmsg)); 173101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtattr *rta, *attr[RTA_MAX+1] = {0,}; 173201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 173301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (mhdr->nlmsg_type != RTM_NEWROUTE) error_exit("not a route?"); 173401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (msglen < 0) error_exit("wrong len %d", msglen); 173501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 173601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley tvar = msglen; 173701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (rta = RTM_RTA(msg); RTA_OK(rta, tvar); rta=RTA_NEXT(rta, tvar)) 173801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rta->rta_type <= RTA_MAX) attr[rta->rta_type] = rta; 173901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 174001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_PREFSRC]) { 174101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley attr[RTA_PREFSRC]->rta_type = RTA_SRC; 174201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley msg->rtm_src_len = 8*RTA_PAYLOAD(attr[RTA_PREFSRC]); 174301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (!attr[RTA_SRC]) error_exit("can't connect the route"); 174401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 174501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!odev && attr[RTA_OIF]) attr[RTA_OIF]->rta_type = 0; 174601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (attr[RTA_GATEWAY]) attr[RTA_GATEWAY]->rta_type = 0; 174701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!idev && attr[RTA_IIF]) attr[RTA_IIF]->rta_type = 0; 174801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; 174901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_type = RTM_GETROUTE; 175001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mhdr->nlmsg_pid = 0; 175101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xclose(TT.sockfd); 175201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley TT.sockfd = xsocket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); 175301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley send_nlmesg(0, 0, 0, mhdr, mhdr->nlmsg_len); 175401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley filter_nlmesg(display_route_info, NULL); 175501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 17569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 17579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 17589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 175901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int route_show_flush(char **argv) 176001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 176101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist cmd_objectlist[] = {{"protocol", 0}, {"dev", 1}, {"oif", 2}, 176201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"iif", 3}, {"via", 4}, {"table", 5}, {"cache", 6}, {"from", 7}, 176301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"to", 8}, {"all", 9}, {"root", 10}, {"match", 11}, {"exact", 12}, 176401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"main", 13}, {NULL,-1}}; 176501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int family = TT.addressfamily, idx; 176601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct { 176701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr mhdr; 176801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg msg; 176901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } request; 177001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 177101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*argv[-1] == 'f') TT.flush = 1; 177201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.flush && !*argv) show_iproute_help(); 177301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 177401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.tb = RT_TABLE_MAIN; 177501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (; *argv; argv++) { 177601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley switch (idx = substring_to_idx(*argv, cmd_objectlist)) { 177701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 0: 177801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 177901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((idx = idxfromRPDB(*argv,RPDB_rtprotos)) < 0) 178001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid argument protocol."); 178101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.proto = idx; 178201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 178301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 1: 178401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 2: 178501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 3: 178601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 178701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 178801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int dev = get_ifaceindex(*argv, 1); 178901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 179001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 3) gfilter.idev = dev; 179101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else gfilter.odev = dev; 179201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 179301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 179401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 4: 179501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 179601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(gfilter.rvia.addr, &gfilter.rvia.netmask, 179701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley &gfilter.rvia.len, *argv, gfilter.rvia.family); 179801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rvia.len) 179901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.rvia.family = ((gfilter.rvia.len == 4) ? 180001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley AF_INET : AF_INET6); 180101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 180201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 5: 180301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 180401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = substring_to_idx(*argv, cmd_objectlist); 180501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 6) gfilter.tb = -1; 180601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (idx == 9) gfilter.tb = 0; 180701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (idx != 13) { 180801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((gfilter.tb = idxfromRPDB(*argv, RPDB_rttables)) < 0) 180901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("table %s is invalid.", *argv); 181001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 181101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 181201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 6: 181301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.tb = -1; 181401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 181501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 7: 181601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 181701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = substring_to_idx(*argv, cmd_objectlist); 181801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx < 0) if (!*++argv) show_iproute_help(); 181901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 10) 182001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 182101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(gfilter.rsrc.addr, &gfilter.rsrc.netmask, 182201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley &gfilter.rsrc.len, *argv, gfilter.rsrc.family); 182301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rsrc.len) 182401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.rsrc.family = ((gfilter.rsrc.len == 4) ? 182501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley AF_INET : AF_INET6); 182601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 182701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((idx == 12 ||idx == 11) && !*++argv) show_iproute_help(); 182801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(gfilter.msrc.addr, &gfilter.msrc.netmask, 182901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley &gfilter.msrc.len, *argv, gfilter.msrc.family); 183001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.msrc.len) 183101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.msrc.family = ((gfilter.msrc.len == 4) ? 183201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley AF_INET : AF_INET6); 183301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != 11) gfilter.rsrc = gfilter.msrc; 183401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 183501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 183601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 8: 183701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = substring_to_idx(*argv, cmd_objectlist); 183801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != -1 && !*++argv) show_iproute_help(); 183901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley default: // fallthrough 184001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 10) { 184101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 184201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(gfilter.rdst.addr, &gfilter.rdst.netmask, 184301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley &gfilter.rdst.len, *argv, gfilter.rdst.family); 184401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.rdst.len) 184501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.rdst.family = ((gfilter.rdst.len == 4) ? 184601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley AF_INET : AF_INET6); 184701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 184801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 184901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((idx == 12 ||idx == 11) && !*++argv) show_iproute_help(); 185001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(gfilter.mdst.addr, &gfilter.mdst.netmask, 185101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley &gfilter.mdst.len, *argv, gfilter.mdst.family); 185201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.mdst.len) 185301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gfilter.mdst.family = ((gfilter.mdst.len == 4) ? 185401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley AF_INET : AF_INET6); 185501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != 11) gfilter.rdst = gfilter.mdst; 185601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 185701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 185801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 185901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 186001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (family == AF_UNSPEC && gfilter.tb) family = AF_INET; 186101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 186201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.flush) { 186301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.tb < 0) { // flush table cache 186401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (family != AF_INET6) { 186501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley FILE *fp = xfopen("/proc/sys/net/ipv4/route/flush", "w"); 186601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 186701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (fwrite("-1",1,2,fp) < 2) error_exit("can't flush routing cache"); 186801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fclose(fp); 186901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 187001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (family == AF_INET) return 0; 187101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 187201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 187301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 187401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&request, 0, sizeof (request)); 187501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_len = NLMSG_LENGTH(sizeof (struct rtmsg)); 187601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_flags = NLM_F_REQUEST; 187701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_flags |= NLM_F_ROOT | NLM_F_MATCH; 187801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.mhdr.nlmsg_type = RTM_GETROUTE; 187901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.msg.rtm_family = family; 188001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (gfilter.tb < 0) request.msg.rtm_flags = RTM_F_CLONED; 188101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley send_nlmesg(0, 0, 0, (void*)&request, sizeof (request)); 188201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return (filter_nlmesg(display_route_info, NULL)); 188301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 188401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 188501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int route_update(char **argv, unsigned int route_flags) 188601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 188701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char mxbuf[256], *d = NULL; 188801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtattr *mxrta = (void*)mxbuf; 188901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned mxlock = 0, ok = 0; 189001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx; 189101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint32_t addr[8] = {0,}, netmask = 0; 189201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint8_t len = 0; 189301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 189401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist cmd_objectlist[] = {{"src", 0}, {"via", 1}, {"mtu", 2}, 189501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"lock", 3}, {"protocol", 4}, {"table", 5}, {"dev", 6}, {"oif", 7}, 189601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"to", 8}, {"metric", 9}, {NULL,-1} 189701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley }; 189801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley enum { 189901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley gtwy_ok = 1, 190001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley dst_ok = 2, 190101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley proto_ok = 4, 190201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley type_ok = 8 190301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley }; 190401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct { 190501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct nlmsghdr hdr; 190601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct rtmsg msg; 190701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char buf[1024]; 190801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } req; 190901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 191001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&req, 0, sizeof(req)); 191101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); 191201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.hdr.nlmsg_flags = NLM_F_ACK| NLM_F_REQUEST | route_flags; 191301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.hdr.nlmsg_type = TT.route_cmd; 191401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_family = AF_UNSPEC; 191501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_table = RT_TABLE_MAIN; 191601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_NOWHERE; 191701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 191801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.route_cmd != RTM_DELROUTE) { 191901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_protocol = RTPROT_BOOT; 192001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_UNIVERSE; 192101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_type = RTN_UNICAST; 192201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 192301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 192401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mxrta->rta_type = RTA_METRICS; 192501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mxrta->rta_len = RTA_LENGTH(0); 192601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 192701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (; *argv; argv++) { 192801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = substring_to_idx(*argv, cmd_objectlist); 192901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!idx) { 193001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 193101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(addr, &netmask, &len, *argv, req.msg.rtm_family); 193201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (len) req.msg.rtm_family = ((len == 4) ? AF_INET : AF_INET6); 193301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), RTA_PREFSRC, addr, len); 193401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 1) { 193501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ok |= gtwy_ok; 193601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 193701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(addr, &netmask, &len, *argv, req.msg.rtm_family); 193801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (len) req.msg.rtm_family = ((len == 4) ? AF_INET : AF_INET6); 193901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req),RTA_GATEWAY, addr, len); 194001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 2) { 194101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 194201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (substring_to_idx(*argv, cmd_objectlist ) == 3) { 194301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley mxlock |= (1 << RTAX_MTU); 194401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 194501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 194601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = atolx(*argv); 194701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), 194801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RTAX_MTU, (char*)&idx, sizeof(idx)); 194901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 4) { 195001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 195101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((idx = idxfromRPDB(*argv,RPDB_rtprotos)) < 0) 195201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid argument protocol %s.",*argv); 195301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_protocol = idx; 195401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ok |= proto_ok; 195501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 5) { 195601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 195701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_table = idxfromRPDB(*argv, RPDB_rttables); 195801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 6 || idx == 7) { 195901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 196001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley d = *argv; 196101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 9) { 196201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned long metric; 196301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned int res; 196401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char* ptr; 196501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 196601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley metric = strtoul(*argv, &ptr, 0); 196701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!(!*ptr && metric <= 0xFFFFFFFFUL)) 196801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid argument metric %s.",*argv); 196901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else 197001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley res = metric; 197101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), 197201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RTA_PRIORITY, (char*)&res, sizeof(res)); 197301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else { 197401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 8) 197501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 197601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = substring_to_idx(*argv,rtmtypes); 197701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != -1) { 197801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) show_iproute_help(); 197901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_type = idx; 198001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ok |= type_ok; 198101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 198201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ok & dst_ok) error_exit("Duplicate argument 'to'"); 198301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_prefix(addr, &netmask, &len, *argv, req.msg.rtm_family); 198401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (len) req.msg.rtm_family = ((len == 4) ? AF_INET : AF_INET6); 198501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_dst_len = netmask; 198601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ok |= dst_ok; 198701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (len) add_string_to_rtattr(&req.hdr, sizeof(req),RTA_DST, addr, len); 198801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 198901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 199001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 199101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (d) { 199201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = get_ifaceindex(d,1); 199301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), 199401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RTA_OIF, (char*)&idx, sizeof(idx)); 199501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 199601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (mxrta->rta_len > RTA_LENGTH(0)) { 199701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (mxlock) 199801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), 199901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RTAX_LOCK, (char*)&mxlock, sizeof(mxlock)); 200001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley add_string_to_rtattr(&req.hdr, sizeof(req), 200101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley RTA_METRICS, RTA_DATA(mxrta), RTA_PAYLOAD(mxrta)); 200201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 200301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 200401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (req.msg.rtm_type == RTN_LOCAL || req.msg.rtm_type == RTN_NAT) 200501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_HOST; 200601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (req.msg.rtm_type == RTN_BROADCAST||req.msg.rtm_type == RTN_MULTICAST 200701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley || req.msg.rtm_type == RTN_ANYCAST) 200801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_LINK; 200901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (req.msg.rtm_type == RTN_UNICAST || req.msg.rtm_type == RTN_UNSPEC) { 201001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (TT.route_cmd == RTM_DELROUTE) 201101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_NOWHERE; 201201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (!(ok & gtwy_ok)) 201301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.msg.rtm_scope = RT_SCOPE_LINK; 201401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 201501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (req.msg.rtm_family == AF_UNSPEC) req.msg.rtm_family = AF_INET; 201601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley send_nlmesg(0, 0, 0, &req, sizeof(req)); 201701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley filter_nlmesg(NULL, NULL); 201801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 201901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 202001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 202101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int iproute(char **argv) 202201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 202301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx = 1; 202401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist cmd_objectlist1[] = {{"add", 0}, {"append", 1},{"change", 2}, 202501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"chg", 3},{"delete",4}, {"get", 5}, {"list", 6}, {"show", 7}, 202601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"prepend", 8},{"replace", 9},{"test", 10}, {"flush", 11},{NULL,-1}}; 202701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 202801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley TT.route_cmd = RTM_NEWROUTE; 202901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley switch (idx = substring_to_idx(*argv , cmd_objectlist1)) { 203001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 0: // add 203101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_CREATE|NLM_F_EXCL); 203201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 1: // append 203301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_CREATE|NLM_F_APPEND); 203401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 2: // change 203501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 3: // chg 203601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_REPLACE); 203701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 4: // delete 203801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley TT.route_cmd = RTM_DELROUTE; 203901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , RTM_DELROUTE); 204001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 5: 204101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_get(++argv); 204201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 6: 204301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 7: 204401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_show_flush(++argv); 204501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 8: // prepend 204601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_CREATE); 204701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 9: // replace 204801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_CREATE|NLM_F_REPLACE); 204901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 10: // test 205001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_update(++argv , NLM_F_EXCL); 205101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 11: // flush 205201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return route_show_flush(++argv); 205301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley default: 205401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*argv) return route_show_flush(argv); 205501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else show_iproute_help(); 205601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 205701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; // non reachable code. 205801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 205901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 206001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 20619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 20629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// code for ip rule. 20639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 20649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic void show_iprule_help(void) 20659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 20669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *errmsg = "Usage: ip rule [ list | add | del ] SELECTOR ACTION\n" 20679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "SELECTOR := [ from PREFIX ] [ to PREFIX ] [pref NUMBER] [ tos TOS ]\n" 20689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma " [ fwmark FWMARK] [ dev/iif STRING ] [type TYPE]\n" 20699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma "ACTION := [ table TABLE_ID ] [ realms [SRCREALM/]DSTREALM ]"; 20709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 20719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit(errmsg); 20729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 20739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 20749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int ruleupdate(char **argv) 20759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 20769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int8_t idx, tflag = 0, opt = (*argv[-1] == 'a') ? RTM_NEWRULE : RTM_DELRULE; 20779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist options[] = {{"from", 0}, {"to", 1}, {"preference", 2}, 20789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"order", 2}, {"priority", 2}, {"tos", 3}, {"dsfield", 3}, {"fwmark", 4}, 20799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"realms", 5}, {"table", 6}, {"lookup", 6}, {"dev", 7}, {"iif", 7}, 20809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"nat", 8}, {"map-to", 8}, {"type", 9}, {"help", 10}, {NULL, -1}}; 20819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct { 20829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr mhdr; 20839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtmsg msg; 20849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char buf[1024]; 20859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } request; 20869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 20879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma memset(&request, 0, sizeof(request)); 20889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_type = opt; 20899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); 20909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.mhdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | 20919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((opt == RTM_DELRULE) ? 0 : NLM_F_CREATE | NLM_F_EXCL); 20929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_family = TT.addressfamily; 20939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_protocol = RTPROT_BOOT; 20949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_scope = RT_SCOPE_UNIVERSE; 20959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_table = 0; 20969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_type = ((opt == RTM_DELRULE) ? RTN_UNSPEC : RTN_UNICAST); 20979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 20989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (; *argv; argv++) { 20999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch ((idx = substring_to_idx(*argv, options))) { 21009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: 21019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: 21029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { // e.g. from IP/Netmask and to IP/Netmask. 21039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}, netmask = 0; 21049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t len = 0, *tmp; 21059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("'%s': Missing Prefix", argv[-1]); 21079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma parse_prefix(addr, &netmask, &len, *argv, request.msg.rtm_family); 21089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma tmp = idx ? &request.msg.rtm_dst_len : &request.msg.rtm_src_len; 21109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!netmask) *tmp = 0; 21119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else *tmp = netmask; 21129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 21149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (idx ? RTA_DST : RTA_SRC), addr, len); 21159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: 21189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 4: 21199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { // e.g. Preference p# and fwmark MARK 21209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t pref; 21219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr; 21229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) 21249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Missing %s", (idx == 2) ? "Preference" : "fwmark"); 21259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma pref = strtoul(*argv, &ptr, 0); 21269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!ptr || (ptr == *argv) || *ptr || pref > 0xFFFFFFFFUL) 21279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid %s", (idx == 2) ? "Preference" : "fwmark"); 21289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 21299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((idx == 2) ? RTA_PRIORITY : RTA_PROTOINFO), 21309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (void *)&pref, sizeof(uint32_t)); 21319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 3: 21349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 213501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint32_t tos; 21369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Missing TOS key"); 213701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((tos = idxfromRPDB(*argv, RPDB_rtdsfield)) < 0) 213801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid TOS"); 213901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.msg.rtm_tos = tos; 21409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 5: 21439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { // e.g. realms FROM_realm/TO_realm 21449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t realms = 0; 214501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ret; 21469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr; 21479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Missing REALMSID"); 21499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((ptr = strchr(*argv, '/'))) { 21509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *ptr = 0; 215101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ret = idxfromRPDB(*argv, RPDB_rtrealms)) < 0) 215201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid realms"); 215301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley realms = ret; 21549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma realms <<= 16; 21559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *ptr++ = '/'; 21569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else ptr = *argv; 215701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ret = idxfromRPDB(ptr, RPDB_rtrealms)) < 0) 215801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid realms"); 215901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley realms |= ret; 21609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 21619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RTA_FLOW, (void *)&realms, sizeof(uint32_t)); 21629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 6: 21659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { // e.g. table tid/tableName 216601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int tid; 21679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Missing TableID"); 216801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((tid = idxfromRPDB(*argv, RPDB_rttables)) < 0) 216901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("Invalid TID"); 217001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley request.msg.rtm_table = tid; 21719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma tflag = 1; 21729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 7: 21759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 21769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Missing dev/iif NAME"); 21779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 21789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RTA_IIF, *argv, strlen(*argv)+1); 21799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 8: 21829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 21839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint32_t addr[4] = {0,}; 21849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma uint8_t af = AF_UNSPEC; 21859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("Missing nat/map-to ADDRESS"); 21879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (get_prefix(addr, &af /* Un-used variable */, *argv, AF_INET)) 21889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid mapping Address"); 21899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 21909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma add_string_to_rtattr(&request.mhdr, sizeof(request), 21919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RTA_GATEWAY, addr, sizeof(uint32_t)); 21929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_type = RTN_NAT; 21939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 21949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 21959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 9: 21969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 21979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*++argv) error_exit("TYPE Missing"); 21989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma request.msg.rtm_type = rtmtype_str2idx(*argv); 21999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 22009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 22019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 10: 22029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma show_iprule_help(); 22039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; // Unreachable code. 22049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: 22059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("Invalid argument '%s'", *argv); 22069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; // Unreachable code. 22079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 22089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 22099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!request.msg.rtm_family) request.msg.rtm_family = AF_INET; 22119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!tflag && opt == RTM_NEWRULE) request.msg.rtm_table = RT_TABLE_MAIN; 22129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(0, 0, 0, &request, sizeof(request)); 22149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return (filter_nlmesg(NULL, NULL)); 22159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 22169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int show_rules(struct nlmsghdr *mhdr, 22189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char **argv __attribute__ ((__unused__))) 22199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 22209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtmsg *msg = NLMSG_DATA(mhdr); 22219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct rtattr *rta, *attr[RTA_MAX+1] = {0,}; 22229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int32_t tvar, msglen = mhdr->nlmsg_len - NLMSG_LENGTH(sizeof(struct rtmsg)); 22239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int hlen = ((msg->rtm_family == AF_INET) ? 32 22249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma : ((msg->rtm_family == AF_INET6) ? 128 : -1)); 22259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (mhdr->nlmsg_type != RTM_NEWRULE) return 0; 22279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (msglen < 0) return 1; 22289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma tvar = msglen; 22309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (rta = RTM_RTA(msg); RTA_OK(rta, tvar); rta=RTA_NEXT(rta, tvar)) 22319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (rta->rta_type <= RTA_MAX) attr[rta->rta_type] = rta; 22329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (tvar) error_msg("deficit %d, rtalen = %d!", tvar, rta->rta_len); 22349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%u:\tfrom ", attr[RTA_PRIORITY] ? 22369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *(unsigned *)RTA_DATA(attr[RTA_PRIORITY]) : 0); 22379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (attr[RTA_SRC]) { 22399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%s", (msg->rtm_family == AF_INET || msg->rtm_family == AF_INET6) 22409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ? inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_SRC]), 22419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma toybuf, sizeof(toybuf)) 22429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma : "???"); 22439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (msg->rtm_src_len != hlen) ? printf("/%u", msg->rtm_src_len) : 0; 22449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else msg->rtm_src_len ? printf("0/%d", msg->rtm_src_len) : printf("all"); 22459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xputc(' '); 22479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (attr[RTA_DST]) { 22489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("to %s", (msg->rtm_family == AF_INET || msg->rtm_family == AF_INET6) 22499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ? inet_ntop(msg->rtm_family, RTA_DATA(attr[RTA_DST]), 22509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma toybuf, sizeof(toybuf)) : "???"); 22519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma (msg->rtm_dst_len != hlen) ? printf("/%u", msg->rtm_dst_len) : xputc(' '); 22529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else if (msg->rtm_dst_len) 22539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("to 0/%d ", msg->rtm_dst_len); 22549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (msg->rtm_tos) 22569588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("tos %s ", namefromRPDB(msg->rtm_tos, RPDB_rtdsfield)); 22579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (attr[RTA_PROTOINFO]) 22599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("fwmark %#x ", *(uint32_t*)RTA_DATA(attr[RTA_PROTOINFO])); 22609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (attr[RTA_IIF]) printf("iif %s ", (char*)RTA_DATA(attr[RTA_IIF])); 22629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (msg->rtm_table) 22649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("lookup %s ", namefromRPDB(msg->rtm_table, RPDB_rttables)); 22659588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (attr[RTA_FLOW]) { 22679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma u_int32_t from, to = *(u_int32_t *)RTA_DATA(attr[RTA_FLOW]); 22689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *format = "realms %s/"; 22699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma to = (from = (to >> 16)) & 0xFFFF; 22719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma format = (from ? format: "%s"); 22729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf(format, namefromRPDB((from ? from : to), RPDB_rtrealms)); 22739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 22749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (msg->rtm_type == RTN_NAT) { 22769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!attr[RTA_GATEWAY]) printf("masquerade"); 22779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else printf("map-to %s ", inet_ntop(msg->rtm_family, 22789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma RTA_DATA(attr[RTA_GATEWAY]), toybuf, sizeof(toybuf))); 22799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else if (msg->rtm_type != RTN_UNICAST) 22809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma printf("%s", rtmtype_idx2str(msg->rtm_type)); 22819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xputc('\n'); 22839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 22849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 22859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int rulelist(char **argv) 22879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 22889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*argv) { 22899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("'ip rule show' does not take any arguments."); 22909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 22919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 22929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma send_nlmesg(RTM_GETRULE, NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, 22939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ((TT.addressfamily != AF_UNSPEC) ? TT.addressfamily : AF_INET), NULL, 0); 22949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return filter_nlmesg(show_rules, argv); 22959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 22969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 22979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int iprule(char **argv) 22989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 22999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx; 23009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist options[] = {{"add", 0}, {"delete", 0}, {"list", 1}, 23019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"show", 1}, {NULL, -1}}; 23029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma cmdobj ipcmd, cmdobjlist[] = {ruleupdate, rulelist}; 23039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 23049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (!*argv) idx = 1; 23059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if ((idx = substring_to_idx(*argv++, options)) == -1) 23069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma show_iprule_help(); 23079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipcmd = cmdobjlist[idx]; 23089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return ipcmd(argv); 23099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 23109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma//============================================================================ 231101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley// code for ip tunnel. 23129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma//============================================================================ 231301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic void show_iptunnel_help(void) 23149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 231501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *errmsg = "Usage: iptunnel { add | change | del | show } [NAME]\n" 231601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " [mode { ipip | gre | sit }] [remote ADDR] [local ADDR]\n" 231701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " [[i|o]seq] [[i|o]key KEY] [[i|o]csum] [ttl TTL]\n" 231801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley " [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"; 231901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 232001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit(errmsg); 232101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 232201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 232301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int tnl_ioctl(char *dev, int rtype, struct ip_tunnel_parm *ptnl) 232401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 232501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ifreq req; 232601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int fd, ret = 0; 232701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 232801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((rtype == SIOCCHGTUNNEL || rtype == SIOCDELTUNNEL) && *ptnl->name) 232982effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(req.ifr_name, ptnl->name, IF_NAMESIZE); 233082effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley else xstrncpy(req.ifr_name, dev, IF_NAMESIZE); 233101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 233201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtype != SIOCGIFHWADDR) req.ifr_ifru.ifru_data = (void*)ptnl; 233301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fd = xsocket(AF_INET, SOCK_DGRAM, 0); 233401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 233501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtype == SIOCGETTUNNEL) ret = ioctl(fd, rtype, &req); 233601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (rtype == SIOCGIFHWADDR) 233701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret = (ioctl(fd, rtype, &req) < 0) ? -1 : req.ifr_addr.sa_family; 233801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else xioctl(fd, rtype, &req); 233901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 234001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley close(fd); 234101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return ret; 234201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 234301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 234401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int display_tunnel(struct ip_tunnel_parm *ptnl) 234501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 234601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char rmt_addr[64], lcl_addr[64], ikey_str[64], okey_str[64]; 234701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 234801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley printf("%s: %s/ip", ptnl->name, ptnl->iph.protocol == IPPROTO_IPIP ? "ip" : 234901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley (ptnl->iph.protocol == IPPROTO_GRE ? "gre" : 235001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley (ptnl->iph.protocol == IPPROTO_IPV6 ? "ipv6" : "unknown"))); 235101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley printf(" remote %s local %s ", ptnl->iph.daddr ? 235201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inet_ntop(AF_INET, &ptnl->iph.daddr, rmt_addr, sizeof(rmt_addr)) : "any", 235301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.saddr ? inet_ntop(AF_INET, &ptnl->iph.saddr, lcl_addr, 235401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sizeof(lcl_addr)) : "any"); 235501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->link) { 235601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ifreq req; 235701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int fd; 235801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 235901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley req.ifr_ifindex = ptnl->link; 236001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fd = xsocket(AF_INET, SOCK_DGRAM, 0); 236101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ioctl(fd, SIOCGIFNAME, &req) < 0) perror_msg("SIOCGIFNAME"); 236201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else printf(" dev %s ", req.ifr_name); 236301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley close(fd); 236401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 236501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->iph.ttl) printf(" ttl %d ", ptnl->iph.ttl); 236601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else printf(" ttl inherit "); 236701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 236801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->iph.tos) { 236901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley printf(" tos"); 237001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->iph.tos & 1) printf(" inherit"); 237101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->iph.tos & ~1) printf("%c%s ", ptnl->iph.tos & 1 ? '/' : ' ', 237201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley namefromRPDB((ptnl->iph.tos & ~1), RPDB_rtdsfield)); 237301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 237401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!(ptnl->iph.frag_off & htons(IP_DF))) printf(" nopmtudisc"); 237501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inet_ntop(AF_INET, &ptnl->i_key, ikey_str, sizeof(ikey_str)); 237601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ptnl->i_flags & GRE_KEY) && (ptnl->o_flags & GRE_KEY) 237701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley && ptnl->o_key == ptnl->i_key) printf(" key %s", ikey_str); 237801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if ((ptnl->i_flags | ptnl->o_flags) & GRE_KEY) { 237901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley inet_ntop(AF_INET, &ptnl->o_key, okey_str, sizeof(okey_str)); 238001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->i_flags & GRE_KEY) printf(" ikey %s ", ikey_str); 238101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->o_flags & GRE_KEY) printf(" okey %s ", okey_str); 238201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 238301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->i_flags & GRE_SEQ) printf("\n Drop packets out of sequence.\n"); 238401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->i_flags & GRE_CSUM) 238501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley printf("\n Checksum in received packet is required."); 238601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->o_flags & GRE_SEQ) printf("\n Sequence packets on output."); 238701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->o_flags & GRE_CSUM) printf("\n Checksum output packets."); 238801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xputc('\n'); 238901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return 0; 239001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 239101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 239201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int read_tunnel(struct ip_tunnel_parm *ptnl) 239301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 239401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int count = 0; 239501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char iface[IF_NAMESIZE]; 239601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ip_tunnel_parm iptnl; 239701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley FILE *fp = xfopen("/proc/net/dev", "r"); 239801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 239901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley while (fgets(toybuf, sizeof(toybuf), fp)) { 240001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *ptr; 240101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ret; 240201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 240301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (count++ < 2) continue; // 1st two lines are header. 240401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 240501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptr = strchr(toybuf, ':'); 240601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!ptr || (*ptr++ = 0, sscanf(toybuf, "%s", iface) != 1)) 240701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("invalid format of '/proc/net/dev'"); 240801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*ptnl->name && strcmp(ptnl->name, iface)) continue; 240901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ret = tnl_ioctl(iface, SIOCGIFHWADDR, &iptnl)) < 0) { 241001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_msg("failed to get type of '%s'", iface); 241101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley continue; 241201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 241301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ret != ARPHRD_TUNNEL && ret != ARPHRD_SIT && 241401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret != ARPHRD_IPGRE) continue; 241501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 241601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&iptnl, 0, sizeof(iptnl)); 241701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (tnl_ioctl(iface, SIOCGETTUNNEL, &iptnl) < 0) continue; 241801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ptnl->link && iptnl.link != ptnl->link) || (*ptnl->name && 241901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley strcmp(iptnl.name, ptnl->name)) || (ptnl->iph.daddr && 242001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley iptnl.iph.daddr != ptnl->iph.daddr) || (ptnl->iph.saddr && 242101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley iptnl.iph.saddr != ptnl->iph.saddr) || (ptnl->i_key && 242201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley iptnl.i_key != ptnl->i_key)) continue; 242301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley display_tunnel(&iptnl); 242401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 242501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fclose(fp); 24269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 24279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 24289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 242901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic void parse_iptunnel_args(struct ip_tunnel_parm *ptnl, char **argv, 243001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ipt_opt_idx) 243101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 243201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx; 243301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint8_t af = AF_INET; 243401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley uint32_t addr = 0; 243501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist opts[] = { {"mode", 0}, {"key", 1}, {"ikey", 2}, 243601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"okey", 3}, {"seq", 4}, {"iseq", 5}, {"oseq", 6}, {"csum", 7}, 243701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"icsum", 8}, {"ocsum", 9}, {"nopmtudisc", 10}, {"pmtudisc", 11}, 243801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"remote", 12}, {"local", 13},{"dev", 14}, {"ttl", 15}, {"tos", 16}, 243901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"dsfield", 17}, {"name", 18}, {NULL, -1} 244001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley }; 244101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 244201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.version = 4; // The value indicates the version of IP (4 or 6) 244301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.ihl = 5; // Minimum Internet Header Length 244401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley // frag_off is measured in units of 8 octets (64 bits) 244501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.frag_off = htons(IP_DF); 244601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*argv && ipt_opt_idx <= 2 && string_to_idx(*argv, opts) == -1) { 244782effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(ptnl->name, *argv, IF_NAMESIZE); 244801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ipt_opt_idx == 1) { 244901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ip_tunnel_parm iptnl_old; 245001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 245101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&iptnl_old, 0, sizeof(iptnl_old)); 245201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley tnl_ioctl(ptnl->name, SIOCGETTUNNEL, &iptnl_old); 245301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley *ptnl = iptnl_old; 245401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 245501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley argv++; 245601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 245701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley for (; *argv; argv++, addr = 0) { 245801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley switch (idx = string_to_idx(*argv, opts)) { 245901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 0: 246001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("mode is missing"); 246101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((!strcmp("ipip", *argv) || !strcmp("ip/ip", *argv))) 246201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.protocol = IPPROTO_IPIP; 246301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if ((!strcmp("gre", *argv) || !strcmp("gre/ip", *argv))) 246401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.protocol = IPPROTO_GRE; 246501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if ((!strcmp("sit", *argv) || !strcmp("ipv6/ip", *argv))) 246601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.protocol = IPPROTO_IPV6; 246701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else show_iptunnel_help(); 246801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 246901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 1: 247001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 2: 247101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 3: 247201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley { 247301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct addrinfo *info, hint; 247401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ret; 247501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 247601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("key value is missing"); 247701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&hint, 0, sizeof(hint)); 247801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley hint.ai_family = AF_INET; 247901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret = getaddrinfo(*argv, NULL, &hint, &info); 248001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ret || !info) error_exit("invalid argument to key"); 248101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley freeaddrinfo(info); 248201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 248301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (strchr(*argv, '.')) { 248401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (get_prefix(&addr, &af, *argv, AF_INET)) 248501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("invalid key '%s'", *argv); 248601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else { 248701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned key_val; 248801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 248901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley sscanf(*argv, "%u", &key_val); 249001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley addr = htonl(key_val); 249101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 249201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx == 1) { 249301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_KEY; 249401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_KEY; 249501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_key = ptnl->o_key = addr; 249601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (idx == 2) { 249701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_KEY; 249801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_key = addr; 249901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else { 250001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_KEY; 250101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_key = addr; 250201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 250301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 250401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 250501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 4: 250601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_SEQ; 250701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_SEQ; 250801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 250901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 5: 251001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_SEQ; 251101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 251201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 6: 251301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_SEQ; 251401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 251501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 7: 251601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_CSUM; 251701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_CSUM; 251801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 251901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 8: 252001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_CSUM; 252101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 252201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 9: 252301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_CSUM; 252401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 252501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 10: 252601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.frag_off = 0; 252701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 252801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 11: 252901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.frag_off = htons(IP_DF); 253001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 253101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 12: 253201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 13: 253301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("remote/local address is missing"); 253401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (get_prefix(&addr, &af, *argv, AF_INET)) 253501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("invalid remote/local address '%s'", *argv); 253601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley (idx == 12) ? (ptnl->iph.daddr = addr) : (ptnl->iph.saddr = addr); 253701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 253801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 14: 253901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("device name is missing"); 254001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 254101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ifreq req; 254201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int fd; 254301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 254482effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(req.ifr_name, *argv, IFNAMSIZ); 254501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley fd = xsocket(AF_INET, SOCK_DGRAM, 0); 254601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley xioctl(fd, SIOCGIFINDEX, &req); 254701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley close(fd); 254801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->link = req.ifr_ifindex; 254901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 255001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 255101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 15: 255201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("ttl value is missing"); 255301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (strcmp(*argv, "inherit")) 255401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.ttl = atolx_range(*argv, 0, 255); 255501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 255601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 16: 255701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 17: 255801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("tos value is missing"); 255901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (strcmp(*argv, "inherit")) { 256001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley char *ptr; 256101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley unsigned long tval = strtoul(*argv, &ptr, 16); 256201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 256301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (tval > 255) error_exit("invalid tos value '%s'", *argv); 256401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*ptr) { 256501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ret; 256601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 256701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ret = idxfromRPDB(*argv, RPDB_rtdsfield)) < 0) 256801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("invalid tos value"); 256901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.tos = ret; 257001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else ptnl->iph.tos = tval; 257101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else ptnl->iph.tos = 1; 257201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 257301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley case 18: 257401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*ptnl->name) error_exit("invalid tunnel"); 257501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 257601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*++argv) error_exit("name is missing"); 257782effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(ptnl->name, *argv, IF_NAMESIZE); 257801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 257901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 258001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley default: 258101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*ptnl->name) error_exit("invalid tunnel"); 258282effc97f9f2d1c258ea50cb11b130753b8ba805Rob Landley xstrncpy(ptnl->name, *argv, IF_NAMESIZE); 258301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley break; 258401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 258501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 258601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ptnl->iph.protocol == IPPROTO_IPIP || 258701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->iph.protocol == IPPROTO_IPV6) { 258801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ptnl->i_flags & GRE_KEY) || (ptnl->o_flags & GRE_KEY)) 258901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("[i|o]key is allowed with gre only"); 259001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ptnl->i_flags & GRE_SEQ) || (ptnl->o_flags & GRE_SEQ)) 259101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("[i|o]seq is allowed with gre only"); 259201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if ((ptnl->i_flags & GRE_CSUM) || (ptnl->o_flags & GRE_CSUM)) 259301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("[i|o]csum is allowed with gre only"); 259401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 259501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!ptnl->i_key && IN_MULTICAST(ntohl(ptnl->iph.daddr))) { 259601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_key = ptnl->iph.daddr; 259701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->i_flags |= GRE_KEY; 259801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 259901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!ptnl->o_key && IN_MULTICAST(ntohl(ptnl->iph.daddr))) { 260001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_key = ptnl->iph.daddr; 260101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ptnl->o_flags |= GRE_KEY; 260201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 260301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (IN_MULTICAST(ntohl(ptnl->iph.daddr)) && !ptnl->iph.saddr) 260401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("broadcast tunnel requires a source address"); 260501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 260601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 260701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int tunnellist(char **argv) 260801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 260901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ip_tunnel_parm iptnl; 261001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int ret = 0; 261101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 261201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&iptnl, 0, sizeof(iptnl)); 261301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_iptunnel_args(&iptnl, argv, 3); 261401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 261501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (iptnl.iph.protocol == IPPROTO_IPIP) 261601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret = tnl_ioctl(*iptnl.name ? iptnl.name : "tunl0", SIOCGETTUNNEL, &iptnl); 261701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (iptnl.iph.protocol == IPPROTO_GRE) 261801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret = tnl_ioctl(*iptnl.name ? iptnl.name : "gre0", SIOCGETTUNNEL, &iptnl); 261901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (iptnl.iph.protocol == IPPROTO_IPV6) 262001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ret = tnl_ioctl(*iptnl.name ? iptnl.name : "sit0", SIOCGETTUNNEL, &iptnl); 262101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else return read_tunnel(&iptnl); 262201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 262301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (ret < 0) { 262401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley perror_msg("SIOCGETTUNNEL"); 262501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return ret; 262601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else return display_tunnel(&iptnl); 262701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 262801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 262901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley// Performing add, change, & delete tunnel action, according to passed req_type 263001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int tunnelupdate(char **argv) 263101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 263201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct ip_tunnel_parm iptnl; 263301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx = 2, rtype = SIOCDELTUNNEL; 263401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 263501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (*argv[-1] == 'a') { 263601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = 0; 263701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley rtype = SIOCADDTUNNEL; 263801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } else if (*argv[-1] == 'c') { 263901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley idx = 1; 264001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley rtype = SIOCCHGTUNNEL; 264101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 264201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 264301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley memset(&iptnl, 0, sizeof(iptnl)); 264401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley parse_iptunnel_args(&iptnl, argv, idx); 264501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != 2 && iptnl.iph.ttl && !(iptnl.iph.frag_off)) 264601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley error_exit("ttl > 0 and nopmtudisc are incompatible"); 264701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (iptnl.iph.protocol == IPPROTO_IPIP) 264801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return (tnl_ioctl("tunl0", rtype, &iptnl) < 0) ? 1 : 0; 264901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (iptnl.iph.protocol == IPPROTO_GRE) 265001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return (tnl_ioctl("gre0", rtype, &iptnl) < 0) ? 1 : 0; 265101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if (iptnl.iph.protocol == IPPROTO_IPV6) 265201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return (tnl_ioctl("sit0", rtype, &iptnl) < 0) ? 1 : 0; 265301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else { 265401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (idx != 2) error_exit("invalid tunnel mode"); 265501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return (tnl_ioctl(iptnl.name, rtype, &iptnl) < 0) ? 1 : 0; 265601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley } 265701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 265801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 265901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landleystatic int iptunnel(char **argv) 266001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley{ 266101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley int idx; 266201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley struct arglist opts[] = {{"add", 0}, {"change", 0}, {"del", 0}, 266301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley {"delete", 0}, {"show", 1}, {"list", 1}, {"lst", 1}, {NULL, -1} 266401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley }; 266501138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley cmdobj ipcmd, cmdobjlist[] = {tunnelupdate, tunnellist}; 266601138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 266701138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (!*argv) idx = 1; 266801138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley else if ((idx = substring_to_idx(*argv++, opts)) == -1) 266901138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley show_iptunnel_help(); 267001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley ipcmd = cmdobjlist[idx]; 267101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley return ipcmd(argv); 267201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley} 267301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley 26749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 26759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Common code, which is used for all ip options. 26769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// =========================================================================== 26779588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 26789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma// Parse netlink messages and call input callback handler for action 26799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmastatic int filter_nlmesg(int (*fun)(struct nlmsghdr *mhdr, char **argv), 26809588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char **argv) 26819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 26829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma while (1) { 26839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsghdr *mhdr; 26849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int msglen = recv(TT.sockfd, TT.gbuf, MESG_LEN, 0); 26859588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 26869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((msglen < 0) && (errno == EINTR || errno == EAGAIN)) continue; 26879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (msglen < 0) { 26889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("netlink receive error %s", strerror(errno)); 26899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 26909588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else if (!msglen) { 26919588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("EOF on netlink"); 26929588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 26939588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 26949588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 26959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (mhdr = (struct nlmsghdr*)TT.gbuf; NLMSG_OK(mhdr, msglen); 26969588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma mhdr = NLMSG_NEXT(mhdr, msglen)) { 26979588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int err; 26989588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (mhdr->nlmsg_pid != getpid()) 26999588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma continue; 27009588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch (mhdr->nlmsg_type) { 27019588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case NLMSG_DONE: 27029588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 27039588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case NLMSG_ERROR: 27049588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma { 27059588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct nlmsgerr *merr = (struct nlmsgerr*)NLMSG_DATA(mhdr); 27069588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27079588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (merr->error == 0) return 0; 27089588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (mhdr->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) 27099588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_msg("ERROR truncated"); 27109588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else { 27119588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma errno = -merr->error; 27129588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma perror_msg("RTNETLINK answers"); 27139588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27149588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 1; 27159588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27169588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma default: 27179588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (fun && (err = fun(mhdr, argv))) return err; 27189588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 27199588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27209588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } // End of for loop. 27219588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } // End of while loop. 27229588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma return 0; 27239588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 27249588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27259588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharmavoid ip_main(void) 27269588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma{ 27279588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char **optargv = toys.argv; 27289588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma int idx, isip = !(toys.which->name[2]); //1 -> if only ip 27299588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma cmdobj ipcmd, cmdobjlist[] = {ipaddr, iplink, iproute, iprule, iptunnel}; 27309588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27319588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma for (++optargv; *optargv; ++optargv) { 27329588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma char *ptr = *optargv; 27339588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist ip_options[] = {{"oneline", 0}, {"family", 1}, 27349588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"4", 1}, {"6", 1}, {"0", 1}, {"stats", 2}, {NULL, -1}}; 27359588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27369588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*ptr != '-') break; 27379588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if ((*(ptr+1) == '-') && (*(ptr+2))) ptr +=2; 27389588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma //escape "--" and stop ip arg parsing. 27399588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if ((*(ptr+1) == '-') && (!*(ptr+2))) { 27409588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma *ptr +=1; 27419588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 27429588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else ptr +=1; 27439588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma switch (substring_to_idx(ptr, ip_options)) { 27449588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 0: TT.singleline = 1; 27459588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 27469588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 1: { 27479588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (isdigit(*ptr)) { 27489588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma long num = atolx(ptr); 27499588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (num == 4) TT.addressfamily = AF_INET; 27509588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else if (num == 6) TT.addressfamily = AF_INET6; 27519588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma else TT.addressfamily = AF_PACKET; 27529588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else { 27539588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist ip_aflist[] = {{"inet", AF_INET}, 27549588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"inet6", AF_INET6}, {"link", AF_PACKET}, {NULL, -1}}; 27559588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2756e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if (!*++optargv) help_exit(0); 27579588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((TT.addressfamily = string_to_idx(*optargv, ip_aflist)) == -1) 27589588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma error_exit("wrong family '%s'", *optargv); 27599588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27609588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27619588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 27629588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma case 2: 27639588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.stats++; 27649588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; 2765e5354ca12a232b3f97726214254a868771cb70d1Rob Landley default: help_exit(0); 27669588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma break; // unreachable code. 27679588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27689588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27699588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27709588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma TT.sockfd = xsocket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); 27719588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 27729588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (isip) {// only for ip 27739588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if (*optargv) { 27749588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist ip_objectlist[] = { {"address", 0}, {"link", 1}, 27759588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"route", 2}, {"rule", 3}, {"tunnel", 4}, {"tunl", 4}, {NULL, -1}}; 27769588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma 2777e5354ca12a232b3f97726214254a868771cb70d1Rob Landley if ((idx = substring_to_idx(*optargv, ip_objectlist)) == -1) help_exit(0); 27789588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipcmd = cmdobjlist[idx]; 27799588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma toys.exitval = ipcmd(++optargv); 2780e5354ca12a232b3f97726214254a868771cb70d1Rob Landley } else help_exit(0); 27819588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } else { 27829588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma struct arglist ip_objectlist[] = { {"ipaddr", 0}, {"iplink", 1}, 27839588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma {"iproute", 2}, {"iprule", 3}, {"iptunnel", 4}, {NULL, -1}}; 27849588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma if ((idx = string_to_idx(toys.which->name, ip_objectlist)) == -1) 2785e5354ca12a232b3f97726214254a868771cb70d1Rob Landley help_exit(0); 27869588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma ipcmd = cmdobjlist[idx]; 27879588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma toys.exitval = ipcmd(optargv); 27889588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma } 27899588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma xclose(TT.sockfd); 279001138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtdsfield_init) free_alist(rt_dsfield); 279101138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtrealms_init) free_alist(rt_realms); 279201138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtscope_init) free_alist(rt_scope); 279301138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rttable_init) free_alist(rt_tables); 279401138b94e6ac9ff2d1258917f96c0c5c8c124021Rob Landley if (rtprotos_init) free_alist(rt_protos); 27959588d289ef381ee7dd68ef35990362ebf70366e4Ashwini Sharma} 2796