13839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 23839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * util.c --- utilities for the debugfs program 3efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 43839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be 53839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * redistributed under the terms of the GNU Public License. 63839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * 73839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 83839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9ebabf2ad6d19af5c674b624bafe619dedbc94403Theodore Ts'o#define _XOPEN_SOURCE 600 /* needed for strptime */ 10de8f3a76218255e443ba57dec5d74850180fa75dAndreas Dilger 11d1154eb460efe588eaed3d439c1caaca149fa362Theodore Ts'o#include "config.h" 123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdio.h> 133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <unistd.h> 143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdlib.h> 153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <ctype.h> 163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <string.h> 171e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#include <time.h> 182c4a540636142a936889bbe4b85a2b9c56bfa458Theodore Ts'o#include <signal.h> 1988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_GETOPT_H 2088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#include <getopt.h> 21efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o#else 2288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern int optind; 2388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern char *optarg; 2488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 2588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_OPTRESET 2688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern int optreset; /* defined by BSD, but not others */ 2788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 298a1da3c5ae5d042c272fbcf5ea222ca561f566a5Theodore Ts'o#include "ss/ss.h" 303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "debugfs.h" 313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o/* 3388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * This function resets the libc getopt() function, which keeps 3488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * internal state. Bad design! Stupid libc API designers! No 3588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * biscuit! 3688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * 3788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * BSD-derived getopt() functions require that optind be reset to 1 in 3888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * order to reset getopt() state. This used to be generally accepted 3988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * way of resetting getopt(). However, glibc's getopt() 4088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * has additional getopt() state beyond optind, and requires that 4188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * optind be set zero to reset its state. So the unfortunate state of 4288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * affairs is that BSD-derived versions of getopt() misbehave if 4388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * optind is set to 0 in order to reset getopt(), and glibc's getopt() 449c07dc00b8ea175aa1446868b5cca5a21b41aecfTheodore Ts'o * will core dump if optind is set 1 in order to reset getopt(). 45efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 4688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * More modern versions of BSD require that optreset be set to 1 in 4788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * order to reset getopt(). Sigh. Standards, anyone? 4888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * 4988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * We hide the hair here. 5088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o */ 5188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'ovoid reset_getopt(void) 5288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o{ 539c07dc00b8ea175aa1446868b5cca5a21b41aecfTheodore Ts'o#if defined(__GLIBC__) || defined(__linux__) 5488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optind = 0; 5588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#else 5688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optind = 1; 5788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 5888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_OPTRESET 5988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optreset = 1; /* Makes BSD getopt happy */ 6088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 61ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o} 62ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 632b5ddd75c90ed4dce2ecdca12b59688a46b11b01Theodore Ts'ostatic const char *pager_search_list[] = { "pager", "more", "less", 0 }; 64ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'ostatic const char *pager_dir_list[] = { "/usr/bin", "/bin", 0 }; 65ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 66ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'ostatic const char *find_pager(char *buf) 67ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o{ 68ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o const char **i, **j; 69ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 70ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o for (i = pager_search_list; *i; i++) { 71ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o for (j = pager_dir_list; *j; j++) { 72ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o sprintf(buf, "%s/%s", *j, *i); 73ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o if (access(buf, X_OK) == 0) 74ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o return(buf); 75ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o } 76ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o } 77ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o return 0; 78ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o} 7988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o 803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oFILE *open_pager(void) 813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 82ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o FILE *outfile = 0; 838a1da3c5ae5d042c272fbcf5ea222ca561f566a5Theodore Ts'o const char *pager = ss_safe_getenv("DEBUGFS_PAGER"); 84ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o char buf[80]; 853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 862c4a540636142a936889bbe4b85a2b9c56bfa458Theodore Ts'o signal(SIGPIPE, SIG_IGN); 87a7ee4e01838a2ae5e3adf2d159d2f8f824e17ed7Theodore Ts'o if (!isatty(1)) 88a7ee4e01838a2ae5e3adf2d159d2f8f824e17ed7Theodore Ts'o return stdout; 892b696a98569339287894df4a40676745f6111d7eTheodore Ts'o if (!pager) 908a1da3c5ae5d042c272fbcf5ea222ca561f566a5Theodore Ts'o pager = ss_safe_getenv("PAGER"); 912b696a98569339287894df4a40676745f6111d7eTheodore Ts'o if (!pager) 92ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o pager = find_pager(buf); 93efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o if (!pager || 942b696a98569339287894df4a40676745f6111d7eTheodore Ts'o (strcmp(pager, "__none__") == 0) || 952b696a98569339287894df4a40676745f6111d7eTheodore Ts'o ((outfile = popen(pager, "w")) == 0)) 962b696a98569339287894df4a40676745f6111d7eTheodore Ts'o return stdout; 972b696a98569339287894df4a40676745f6111d7eTheodore Ts'o return outfile; 983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ovoid close_pager(FILE *stream) 1013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 102571fc5a89c17985626df29823617b63094d10b31Theodore Ts'o if (stream && stream != stdout) pclose(stream); 1033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine is used whenever a command needs to turn a string into 1073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * an inode. 1083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 109b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'oext2_ino_t string_to_inode(char *str) 1103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 111b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o ext2_ino_t ino; 112b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o int len = strlen(str); 113b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o char *end; 114b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o int retval; 1153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 1173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * If the string is of the form <ino>, then treat it as an 1183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * inode number. 1193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if ((len > 2) && (str[0] == '<') && (str[len-1] == '>')) { 1219131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o ino = strtoul(str+1, &end, 0); 1229131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o if (*end=='>') 1239131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o return ino; 1243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o retval = ext2fs_namei(current_fs, root, cwd, str, &ino); 1273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 1282d328bb76d2d63bdfdba923b54c28bd686bd8fecTheodore Ts'o com_err(str, retval, 0); 1293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return ino; 1323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine returns 1 if the filesystem is not open, and prints an 1363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * error message to that effect. 1373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint check_fs_open(char *name) 1393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1401e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (!current_fs) { 1413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(name, 0, "Filesystem not open"); 1423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 1; 1433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine returns 1 if a filesystem is open, and prints an 1493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * error message to that effect. 1503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint check_fs_not_open(char *name) 1523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1531e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (current_fs) { 1543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(name, 0, 1553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "Filesystem %s is still open. Close it first.\n", 1561e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o current_fs->device_name); 1573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 1; 1583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1621e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 1631e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * This routine returns 1 if a filesystem is not opened read/write, 1641e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * and prints an error message to that effect. 1651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 1661e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'oint check_fs_read_write(char *name) 1671e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 1681e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (!(current_fs->flags & EXT2_FLAG_RW)) { 1691e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o com_err(name, 0, "Filesystem opened read/only"); 1701e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 1; 1711e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 1721e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 0; 1731e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 1741e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 1751e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 176d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * This routine returns 1 if a filesystem is doesn't have its inode 177d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * and block bitmaps loaded, and prints an error message to that 178d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * effect. 179d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o */ 180d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'oint check_fs_bitmaps(char *name) 181d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o{ 182d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o if (!current_fs->block_map || !current_fs->inode_map) { 183d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o com_err(name, 0, "Filesystem bitmaps not loaded"); 184d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o return 1; 185d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o } 186d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o return 0; 187d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o} 188d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o 189188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'ochar *inode_time_to_string(__u32 xtime, __u32 xtime_extra) 190188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o{ 191188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o __s64 t = (__s32) xtime; 192188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o 193188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o t += (__s64) (xtime_extra & EXT4_EPOCH_MASK) << 32; 194188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o return time_to_string(t); 195188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o} 196188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o 197d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o/* 198188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o * This function takes a __s64 time value and converts it to a string, 1991e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * using ctime 2001e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 201188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'ochar *time_to_string(__s64 cl) 2021e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 203acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o static int do_gmt = -1; 204acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o time_t t = (time_t) cl; 205d4e0b1c6f5aa8c6a248d9149ed5634a310952411Theodore Ts'o const char *tz; 2061e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 2078ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o if (do_gmt == -1) { 2088ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o /* The diet libc doesn't respect the TZ environemnt variable */ 2098a1da3c5ae5d042c272fbcf5ea222ca561f566a5Theodore Ts'o tz = ss_safe_getenv("TZ"); 210acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o if (!tz) 211acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o tz = ""; 2128a6cc1aebd7e9b2e6d6624fa1f8539888da25fe4Darrick J. Wong do_gmt = !strcmp(tz, "GMT") || !strcmp(tz, "GMT0"); 2138ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o } 2148ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o 2158ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o return asctime((do_gmt) ? gmtime(&t) : localtime(&t)); 2161e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 2171e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 218e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 2194efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * Parse a string as a time. Return ((time_t)-1) if the string 2204efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * doesn't appear to be a sane time. 2214efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o */ 222188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'oextern __s64 string_to_time(const char *arg) 2234efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o{ 2244efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o struct tm ts; 225188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o __s64 ret; 2264efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o char *tmp; 2274efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2284efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (strcmp(arg, "now") == 0) { 2294efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o return time(0); 2304efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o } 2316854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o if (arg[0] == '@') { 2326854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o /* interpret it as an integer */ 2335a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o arg++; 2345a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o fallback: 2356743215bffbd94b5b7bdc54f31741356e9fa3b25Theodore Ts'o ret = strtoll(arg, &tmp, 0); 2366854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o if (*tmp) 237188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o return -1; 2386854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o return ret; 2396854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o } 2404efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o memset(&ts, 0, sizeof(ts)); 2414efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#ifdef HAVE_STRPTIME 24240ca5c4768eb695b74d89dfbfcf4eb538080824dTheodore Ts'o tmp = strptime(arg, "%Y%m%d%H%M%S", &ts); 24340ca5c4768eb695b74d89dfbfcf4eb538080824dTheodore Ts'o if (tmp == NULL) 244188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o tmp = strptime(arg, "%Y%m%d%H%M", &ts); 245188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o if (tmp == NULL) 246188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o tmp = strptime(arg, "%Y%m%d", &ts); 247188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o if (tmp == NULL) 2485a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o goto fallback; 2494efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#else 2504efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o sscanf(arg, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon, 2514efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec); 2524efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_year -= 1900; 2534efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mon -= 1; 2544efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 || 255188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o ts.tm_mday <= 0 || ts.tm_mday > 31 || ts.tm_hour > 23 || 2564efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_min > 59 || ts.tm_sec > 61) 257188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o goto fallback; 2584efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#endif 259a2ff0f31c1987a480ffc4dacb7adf93f0aecf7f6Theodore Ts'o ts.tm_isdst = -1; 26090c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger /* strptime() may only update the specified fields, which does not 26190c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * necessarily include ts.tm_yday (%j). Calculate this if unset: 26290c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 26390c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 26490c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 26590c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 26690c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * Start with 31 days per month. Even months have only 30 days, but 26790c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * reverse in August, subtract one day for those months. February has 26890c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * only 28 days, not 30, subtract two days. Add day of month, minus 26990c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * one, since day is not finished yet. Leap years handled afterward. */ 27090c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger if (ts.tm_yday == 0) 27190c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger ts.tm_yday = (ts.tm_mon * 31) - 27290c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger ((ts.tm_mon - (ts.tm_mon > 7)) / 2) - 27390c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger 2 * (ts.tm_mon > 1) + ts.tm_mday - 1; 2745a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o ret = ts.tm_sec + ts.tm_min*60 + ts.tm_hour*3600 + ts.tm_yday*86400 + 275188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o ((__s64) ts.tm_year-70)*31536000 + 276188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o (((__s64) ts.tm_year-69)/4)*86400 - 277188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o (((__s64) ts.tm_year-1)/100)*86400 + 278188960ea4b830ec69607aab3068537ce55f44be4Theodore Ts'o (((__s64) ts.tm_year+299)/400)*86400; 279a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o return ret; 2804efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o} 2814efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2824efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o/* 283e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to an unsigned long, printing 284e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * an error message if it fails, and returning success or failure in err. 285e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 286e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'ounsigned long parse_ulong(const char *str, const char *cmd, 287e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *descr, int *err) 288e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 289e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o char *tmp; 290e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o unsigned long ret; 291efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 292e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ret = strtoul(str, &tmp, 0); 293e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (*tmp == 0) { 294e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 295e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 0; 296e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return ret; 297e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 298e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, 0, "Bad %s - %s", descr, str); 299e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 300e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 1; 301e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o else 302e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o exit(1); 303e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 304e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 305e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 306e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 307048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson * This function will convert a string to an unsigned long long, printing 308048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson * an error message if it fails, and returning success or failure in err. 309048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson */ 310048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Hensonunsigned long long parse_ulonglong(const char *str, const char *cmd, 311048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson const char *descr, int *err) 312048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson{ 313048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson char *tmp; 314048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson unsigned long long ret; 315048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson 316048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson ret = strtoull(str, &tmp, 0); 317048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (*tmp == 0) { 318048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (err) 319048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson *err = 0; 320048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson return ret; 321048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson } 322048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson com_err(cmd, 0, "Bad %s - %s", descr, str); 323048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (err) 324048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson *err = 1; 325048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson else 326048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson exit(1); 327048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson return 0; 328048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson} 329048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson 330048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson/* 331e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to a block number. It returns 332a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney * 0 on success, 1 on failure. On failure, it outputs either an optionally 333a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney * specified error message or a default. 334e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 335a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitneyint strtoblk(const char *cmd, const char *str, const char *errmsg, 336a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk64_t *ret) 337e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 33897a67c40dc36a4cfc50192fe96ed12689718af94Eric Sandeen blk64_t blk; 339e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 340e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 341a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney if (errmsg == NULL) 342a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk = parse_ulonglong(str, cmd, "block number", &err); 343a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney else 344a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk = parse_ulonglong(str, cmd, errmsg, &err); 345e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *ret = blk; 346e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return err; 347e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 348e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 349e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 350e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a common helper function used by the command processing 351e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * routines 352e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 353e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_args_process(int argc, char *argv[], int min_argc, int max_argc, 354e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd, const char *usage, int flags) 355e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 356e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc < min_argc || argc > max_argc) { 357e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(argv[0], 0, "Usage: %s %s", cmd, usage); 358e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 359e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 360e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (flags & CHECK_FS_NOTOPEN) { 361e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_not_open(argv[0])) 362e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 363e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } else { 364e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_open(argv[0])) 365e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 366e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 367e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_RW) && check_fs_read_write(argv[0])) 368e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 369e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_BITMAPS) && check_fs_bitmaps(argv[0])) 370e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 371e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 372e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 3731e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 374e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 375e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_stat, do_freei, do_seti, and 376e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * do_testi, etc. Basically, any command which takes a single 377e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * argument which is a file/inode number specifier. 378e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 379e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_inode_args_process(int argc, char *argv[], 380e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ext2_ino_t *inode, int flags) 381e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 382e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 2, argv[0], "<file>", flags)) 383e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 384efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 385e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *inode = string_to_inode(argv[1]); 386efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o if (!*inode) 387e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 388e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 389e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 390e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 391e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 392e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_freeb, do_setb, and do_testb 393e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 394e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_block_args_process(int argc, char *argv[], 395048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson blk64_t *block, blk64_t *count) 396e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 397e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 398e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 399e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 3, argv[0], 400e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o "<block> [count]", CHECK_FS_BITMAPS)) 401e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 402e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 403a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney if (strtoblk(argv[0], argv[1], NULL, block)) 404e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 405d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o if (*block == 0) { 406d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o com_err(argv[0], 0, "Invalid block number 0"); 40763cd76d6ac3bb7f90c583f240fc75e657610f2eaDarrick J. Wong return 1; 408d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o } 409d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o 410e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc > 2) { 411a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney err = strtoblk(argv[0], argv[2], "count", count); 412e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (err) 413e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 414e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 415e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 416e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 417e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 418ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'oint debugfs_read_inode_full(ext2_ino_t ino, struct ext2_inode * inode, 419ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o const char *cmd, int bufsize) 420ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o{ 421ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o int retval; 422ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 423ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o retval = ext2fs_read_inode_full(current_fs, ino, inode, bufsize); 424ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o if (retval) { 425ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 426ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 1; 427ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o } 428ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 0; 429ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o} 430ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 431e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_read_inode(ext2_ino_t ino, struct ext2_inode * inode, 432e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 433e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 434e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 435e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 436e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_read_inode(current_fs, ino, inode); 437e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 438e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 439e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 440e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 441e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 442e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 443e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 44416c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'oint debugfs_write_inode_full(ext2_ino_t ino, 44516c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o struct ext2_inode *inode, 44616c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o const char *cmd, 44716c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o int bufsize) 44816c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o{ 44916c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o int retval; 45016c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o 45116c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o retval = ext2fs_write_inode_full(current_fs, ino, 45216c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o inode, bufsize); 45316c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o if (retval) { 45416c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o com_err(cmd, retval, "while writing inode %u", ino); 45516c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o return 1; 45616c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o } 45716c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o return 0; 45816c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o} 45916c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o 460e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_write_inode(ext2_ino_t ino, struct ext2_inode * inode, 461e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 462e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 463e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 464e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 465e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_write_inode(current_fs, ino, inode); 466e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 467e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while writing inode %u", ino); 468e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 469e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 470e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 471e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 4721e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 473030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'oint debugfs_write_new_inode(ext2_ino_t ino, struct ext2_inode * inode, 474030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o const char *cmd) 475030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o{ 476030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o int retval; 477030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o 478030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o retval = ext2fs_write_new_inode(current_fs, ino, inode); 479030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o if (retval) { 480030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o com_err(cmd, retval, "while creating inode %u", ino); 481030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 1; 482030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o } 483030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 0; 484030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o} 4858bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4868bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o/* 4878bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o * Given a mode, return the ext2 file type 4888bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o */ 4898bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'oint ext2_file_type(unsigned int mode) 4908bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o{ 4918bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISREG(mode)) 4928bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_REG_FILE; 4938bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4948bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISDIR(mode)) 4958bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_DIR; 4968bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4978bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISCHR(mode)) 4988bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_CHRDEV; 4998bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 5008bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISBLK(mode)) 5018bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_BLKDEV; 5028bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 5038bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISLNK(mode)) 5048bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_SYMLINK; 5058bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 5068bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISFIFO(mode)) 5078bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_FIFO; 5088bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 5098bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISSOCK(mode)) 5108bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_SOCK; 5118bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 5128bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return 0; 5138bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o} 514463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 51525f291c9b32d8017e6969c72a75e37d354c0570bTheodore Ts'oerrcode_t read_list(char *str, blk64_t **list, size_t *len) 516463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong{ 517463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t *lst = *list; 518463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong size_t ln = *len; 51925f291c9b32d8017e6969c72a75e37d354c0570bTheodore Ts'o char *tok, *p = str; 520d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong errcode_t retval; 521463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 522463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong while ((tok = strtok(p, ","))) { 523463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t *l; 524463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t x, y; 525463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong char *e; 526463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 527463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong errno = 0; 528463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong y = x = strtoull(tok, &e, 0); 529463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (errno) 530463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return errno; 531463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (*e == '-') { 532463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong y = strtoull(e + 1, NULL, 0); 533463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (errno) 534463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return errno; 535d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } else if (*e != 0) { 536d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = EINVAL; 537d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 538d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 539d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong if (y < x) { 540d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = EINVAL; 541d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 542d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 543463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong l = realloc(lst, sizeof(blk64_t) * (ln + y - x + 1)); 544d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong if (l == NULL) { 545d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = ENOMEM; 546d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 547d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 548463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong lst = l; 549463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong for (; x <= y; x++) 550463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong lst[ln++] = x; 551463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong p = NULL; 552463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong } 553463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 554463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong *list = lst; 555463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong *len = ln; 556463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return 0; 557d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wongerr: 558d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong free(lst); 559d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong return retval; 560463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong} 561