util.c revision d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2a
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 189d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o/* 1901e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * This function takes a __u32 time value and converts it to a string, 1911e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * using ctime 1921e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 1931e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *time_to_string(__u32 cl) 1941e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 195acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o static int do_gmt = -1; 196acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o time_t t = (time_t) cl; 197d4e0b1c6f5aa8c6a248d9149ed5634a310952411Theodore Ts'o const char *tz; 1981e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 1998ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o if (do_gmt == -1) { 2008ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o /* The diet libc doesn't respect the TZ environemnt variable */ 2018a1da3c5ae5d042c272fbcf5ea222ca561f566a5Theodore Ts'o tz = ss_safe_getenv("TZ"); 202acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o if (!tz) 203acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o tz = ""; 2048a6cc1aebd7e9b2e6d6624fa1f8539888da25fe4Darrick J. Wong do_gmt = !strcmp(tz, "GMT") || !strcmp(tz, "GMT0"); 2058ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o } 2068ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o 2078ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o return asctime((do_gmt) ? gmtime(&t) : localtime(&t)); 2081e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 2091e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 210e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 2114efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * Parse a string as a time. Return ((time_t)-1) if the string 2124efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * doesn't appear to be a sane time. 2134efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o */ 214f404167dda29a59d2be2882328aeb074b9899669Theodore Ts'otime_t string_to_time(const char *arg) 2154efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o{ 2164efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o struct tm ts; 217a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o time_t ret; 2184efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o char *tmp; 2194efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2204efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (strcmp(arg, "now") == 0) { 2214efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o return time(0); 2224efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o } 2236854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o if (arg[0] == '@') { 2246854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o /* interpret it as an integer */ 2255a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o arg++; 2265a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o fallback: 2275a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o ret = strtoul(arg, &tmp, 0); 2286854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o if (*tmp) 2296854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o return ((time_t) -1); 2306854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o return ret; 2316854ab1d4a1f9fb3599f027d2593d9c4d64b5e32Theodore Ts'o } 2324efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o memset(&ts, 0, sizeof(ts)); 2334efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#ifdef HAVE_STRPTIME 23440ca5c4768eb695b74d89dfbfcf4eb538080824dTheodore Ts'o tmp = strptime(arg, "%Y%m%d%H%M%S", &ts); 23540ca5c4768eb695b74d89dfbfcf4eb538080824dTheodore Ts'o if (tmp == NULL) 2365a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o goto fallback; 2374efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#else 2384efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o sscanf(arg, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon, 2394efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec); 2404efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_year -= 1900; 2414efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mon -= 1; 2424efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 || 2434efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 || 2444efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_min > 59 || ts.tm_sec > 61) 2454efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mday = 0; 2464efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#endif 247a2ff0f31c1987a480ffc4dacb7adf93f0aecf7f6Theodore Ts'o ts.tm_isdst = -1; 24890c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger /* strptime() may only update the specified fields, which does not 24990c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * necessarily include ts.tm_yday (%j). Calculate this if unset: 25090c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 25190c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25290c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 25390c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * 25490c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * Start with 31 days per month. Even months have only 30 days, but 25590c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * reverse in August, subtract one day for those months. February has 25690c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * only 28 days, not 30, subtract two days. Add day of month, minus 25790c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger * one, since day is not finished yet. Leap years handled afterward. */ 25890c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger if (ts.tm_yday == 0) 25990c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger ts.tm_yday = (ts.tm_mon * 31) - 26090c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger ((ts.tm_mon - (ts.tm_mon > 7)) / 2) - 26190c5b4c9de8ea43e0994cc3a07cdc4c4c777623cAndreas Dilger 2 * (ts.tm_mon > 1) + ts.tm_mday - 1; 2625a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o ret = ts.tm_sec + ts.tm_min*60 + ts.tm_hour*3600 + ts.tm_yday*86400 + 2635a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o (ts.tm_year-70)*31536000 + ((ts.tm_year-69)/4)*86400 - 2645a1d25a7b2a718cdd4553d853584098e128c5b91Theodore Ts'o ((ts.tm_year-1)/100)*86400 + ((ts.tm_year+299)/400)*86400; 265a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o return ret; 2664efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o} 2674efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2684efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o/* 269e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to an unsigned long, printing 270e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * an error message if it fails, and returning success or failure in err. 271e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 272e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'ounsigned long parse_ulong(const char *str, const char *cmd, 273e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *descr, int *err) 274e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 275e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o char *tmp; 276e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o unsigned long ret; 277efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 278e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ret = strtoul(str, &tmp, 0); 279e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (*tmp == 0) { 280e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 281e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 0; 282e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return ret; 283e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 284e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, 0, "Bad %s - %s", descr, str); 285e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 286e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 1; 287e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o else 288e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o exit(1); 289e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 290e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 291e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 292e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 293048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson * This function will convert a string to an unsigned long long, printing 294048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson * an error message if it fails, and returning success or failure in err. 295048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson */ 296048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Hensonunsigned long long parse_ulonglong(const char *str, const char *cmd, 297048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson const char *descr, int *err) 298048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson{ 299048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson char *tmp; 300048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson unsigned long long ret; 301048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson 302048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson ret = strtoull(str, &tmp, 0); 303048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (*tmp == 0) { 304048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (err) 305048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson *err = 0; 306048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson return ret; 307048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson } 308048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson com_err(cmd, 0, "Bad %s - %s", descr, str); 309048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson if (err) 310048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson *err = 1; 311048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson else 312048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson exit(1); 313048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson return 0; 314048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson} 315048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson 316048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson/* 317e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to a block number. It returns 318a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney * 0 on success, 1 on failure. On failure, it outputs either an optionally 319a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney * specified error message or a default. 320e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 321a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitneyint strtoblk(const char *cmd, const char *str, const char *errmsg, 322a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk64_t *ret) 323e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 32497a67c40dc36a4cfc50192fe96ed12689718af94Eric Sandeen blk64_t blk; 325e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 326e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 327a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney if (errmsg == NULL) 328a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk = parse_ulonglong(str, cmd, "block number", &err); 329a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney else 330a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney blk = parse_ulonglong(str, cmd, errmsg, &err); 331e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *ret = blk; 332e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return err; 333e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 334e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 335e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 336e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a common helper function used by the command processing 337e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * routines 338e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 339e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_args_process(int argc, char *argv[], int min_argc, int max_argc, 340e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd, const char *usage, int flags) 341e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 342e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc < min_argc || argc > max_argc) { 343e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(argv[0], 0, "Usage: %s %s", cmd, usage); 344e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 345e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 346e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (flags & CHECK_FS_NOTOPEN) { 347e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_not_open(argv[0])) 348e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 349e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } else { 350e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_open(argv[0])) 351e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 352e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 353e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_RW) && check_fs_read_write(argv[0])) 354e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 355e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_BITMAPS) && check_fs_bitmaps(argv[0])) 356e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 357e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 358e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 3591e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 360e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 361e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_stat, do_freei, do_seti, and 362e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * do_testi, etc. Basically, any command which takes a single 363e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * argument which is a file/inode number specifier. 364e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 365e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_inode_args_process(int argc, char *argv[], 366e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ext2_ino_t *inode, int flags) 367e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 368e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 2, argv[0], "<file>", flags)) 369e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 370efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 371e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *inode = string_to_inode(argv[1]); 372efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o if (!*inode) 373e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 374e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 375e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 376e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 377e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 378e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_freeb, do_setb, and do_testb 379e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 380e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_block_args_process(int argc, char *argv[], 381048786d7e87a6de698936b0cf25f1ab70d5c15bcValerie Aurora Henson blk64_t *block, blk64_t *count) 382e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 383e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 384e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 385e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 3, argv[0], 386e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o "<block> [count]", CHECK_FS_BITMAPS)) 387e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 388e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 389a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney if (strtoblk(argv[0], argv[1], NULL, block)) 390e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 391d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o if (*block == 0) { 392d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o com_err(argv[0], 0, "Invalid block number 0"); 393d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o err = 1; 394d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o } 395d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o 396e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc > 2) { 397a25fffae5cbdb9349fa3c358c9714584e9de7b33Eric Whitney err = strtoblk(argv[0], argv[2], "count", count); 398e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (err) 399e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 400e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 401e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 402e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 403e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 404ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'oint debugfs_read_inode_full(ext2_ino_t ino, struct ext2_inode * inode, 405ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o const char *cmd, int bufsize) 406ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o{ 407ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o int retval; 408ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 409ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o retval = ext2fs_read_inode_full(current_fs, ino, inode, bufsize); 410ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o if (retval) { 411ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 412ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 1; 413ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o } 414ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 0; 415ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o} 416ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 417e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_read_inode(ext2_ino_t ino, struct ext2_inode * inode, 418e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 419e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 420e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 421e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 422e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_read_inode(current_fs, ino, inode); 423e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 424e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 425e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 426e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 427e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 428e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 429e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 43016c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'oint debugfs_write_inode_full(ext2_ino_t ino, 43116c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o struct ext2_inode *inode, 43216c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o const char *cmd, 43316c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o int bufsize) 43416c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o{ 43516c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o int retval; 43616c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o 43716c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o retval = ext2fs_write_inode_full(current_fs, ino, 43816c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o inode, bufsize); 43916c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o if (retval) { 44016c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o com_err(cmd, retval, "while writing inode %u", ino); 44116c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o return 1; 44216c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o } 44316c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o return 0; 44416c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o} 44516c581d0e8d931f3cf0005de07481d7380ca4c0cTheodore Ts'o 446e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_write_inode(ext2_ino_t ino, struct ext2_inode * inode, 447e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 448e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 449e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 450e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 451e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_write_inode(current_fs, ino, inode); 452e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 453e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while writing inode %u", ino); 454e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 455e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 456e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 457e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 4581e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 459030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'oint debugfs_write_new_inode(ext2_ino_t ino, struct ext2_inode * inode, 460030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o const char *cmd) 461030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o{ 462030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o int retval; 463030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o 464030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o retval = ext2fs_write_new_inode(current_fs, ino, inode); 465030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o if (retval) { 466030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o com_err(cmd, retval, "while creating inode %u", ino); 467030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 1; 468030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o } 469030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 0; 470030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o} 4718bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4728bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o/* 4738bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o * Given a mode, return the ext2 file type 4748bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o */ 4758bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'oint ext2_file_type(unsigned int mode) 4768bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o{ 4778bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISREG(mode)) 4788bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_REG_FILE; 4798bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4808bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISDIR(mode)) 4818bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_DIR; 4828bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4838bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISCHR(mode)) 4848bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_CHRDEV; 4858bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4868bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISBLK(mode)) 4878bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_BLKDEV; 4888bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4898bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISLNK(mode)) 4908bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_SYMLINK; 4918bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4928bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISFIFO(mode)) 4938bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_FIFO; 4948bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4958bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o if (LINUX_S_ISSOCK(mode)) 4968bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return EXT2_FT_SOCK; 4978bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o 4988bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o return 0; 4998bf1e9184ed607aca8afaf50f0972c5a5a9a32dbTheodore Ts'o} 500463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 501463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wongerrcode_t read_list(const char *str, blk64_t **list, size_t *len) 502463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong{ 503463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t *lst = *list; 504463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong size_t ln = *len; 505463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong char *tok, *p = optarg; 506d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong errcode_t retval; 507463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 508463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong while ((tok = strtok(p, ","))) { 509463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t *l; 510463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong blk64_t x, y; 511463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong char *e; 512463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 513463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong errno = 0; 514463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong y = x = strtoull(tok, &e, 0); 515463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (errno) 516463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return errno; 517463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (*e == '-') { 518463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong y = strtoull(e + 1, NULL, 0); 519463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong if (errno) 520463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return errno; 521d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } else if (*e != 0) { 522d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = EINVAL; 523d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 524d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 525d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong if (y < x) { 526d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = EINVAL; 527d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 528d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 529463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong l = realloc(lst, sizeof(blk64_t) * (ln + y - x + 1)); 530d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong if (l == NULL) { 531d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong retval = ENOMEM; 532d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong goto err; 533d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong } 534463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong lst = l; 535463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong for (; x <= y; x++) 536463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong lst[ln++] = x; 537463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong p = NULL; 538463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong } 539463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong 540463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong *list = lst; 541463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong *len = ln; 542463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong return 0; 543d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wongerr: 544d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong free(lst); 545d4daf0d89bdbdebe4a8f9d29ff0b0300376cbf2aDarrick J. Wong return retval; 546463eb92131d9bab6ca48820a1bd47352117db360Darrick J. Wong} 547