Magellan Linux

  • Back to homepage
    • /[magellan-source]/trunk/mkinitrd-magellan/busybox/coreutils/install.c

    Contents of /trunk/mkinitrd-magellan/busybox/coreutils/install.c

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File MIME type: text/plain
    File size: 3738 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 /* vi: set sw=4 ts=4: */
    2 /*
    3 * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au>
    4 *
    5 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
    6 *
    7 * TODO: -d option, need a way of recursively making directories and changing
    8 * owner/group, will probably modify bb_make_directory(...)
    9 */
    10
    11 #include "busybox.h"
    12 #include "libcoreutils/coreutils.h"
    13 #include <libgen.h>
    14 #include <getopt.h> /* struct option */
    15
    16 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
    17 static const struct option install_long_options[] = {
    18 { "directory", 0, NULL, 'd' },
    19 { "preserve-timestamps", 0, NULL, 'p' },
    20 { "strip", 0, NULL, 's' },
    21 { "group", 0, NULL, 'g' },
    22 { "mode", 0, NULL, 'm' },
    23 { "owner", 0, NULL, 'o' },
    24 { 0, 0, 0, 0 }
    25 };
    26 #endif
    27
    28 int install_main(int argc, char **argv)
    29 {
    30 struct stat statbuf;
    31 mode_t mode;
    32 uid_t uid;
    33 gid_t gid;
    34 const char *gid_str;
    35 const char *uid_str;
    36 const char *mode_str;
    37 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
    38 int ret = EXIT_SUCCESS, flags, i, isdir;
    39
    40 enum {
    41 OPT_CMD = 0x1,
    42 OPT_DIRECTORY = 0x2,
    43 OPT_PRESERVE_TIME = 0x4,
    44 OPT_STRIP = 0x8,
    45 OPT_GROUP = 0x10,
    46 OPT_MODE = 0x20,
    47 OPT_OWNER = 0x40,
    48 };
    49
    50 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
    51 applet_long_options = install_long_options;
    52 #endif
    53 opt_complementary = "?:s--d:d--s";
    54 /* -c exists for backwards compatibility, its needed */
    55 flags = getopt32(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str);
    56
    57 /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
    58 if (flags & OPT_PRESERVE_TIME) {
    59 copy_flags |= FILEUTILS_PRESERVE_STATUS;
    60 }
    61 mode = 0666;
    62 if (flags & OPT_MODE) bb_parse_mode(mode_str, &mode);
    63 uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
    64 gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
    65 if (flags & (OPT_OWNER|OPT_GROUP)) umask(0);
    66
    67 /* Create directories
    68 * don't use bb_make_directory() as it can't change uid or gid
    69 * perhaps bb_make_directory() should be improved.
    70 */
    71 if (flags & OPT_DIRECTORY) {
    72 for (argv += optind; *argv; argv++) {
    73 char *old_argv_ptr = *argv + 1;
    74 char *argv_ptr;
    75 do {
    76 argv_ptr = strchr(old_argv_ptr, '/');
    77 old_argv_ptr = argv_ptr;
    78 if (argv_ptr) {
    79 *argv_ptr = '\0';
    80 old_argv_ptr++;
    81 }
    82 if (mkdir(*argv, mode | 0111) == -1) {
    83 if (errno != EEXIST) {
    84 bb_perror_msg("cannot create %s", *argv);
    85 ret = EXIT_FAILURE;
    86 break;
    87 }
    88 }
    89 if ((flags & (OPT_OWNER|OPT_GROUP))
    90 && lchown(*argv, uid, gid) == -1
    91 ) {
    92 bb_perror_msg("cannot change ownership of %s", *argv);
    93 ret = EXIT_FAILURE;
    94 break;
    95 }
    96 if (argv_ptr) {
    97 *argv_ptr = '/';
    98 }
    99 } while (old_argv_ptr);
    100 }
    101 return ret;
    102 }
    103
    104 isdir = lstat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
    105
    106 for (i = optind; i < argc - 1; i++) {
    107 char *dest;
    108
    109 dest = argv[argc - 1];
    110 if (isdir)
    111 dest = concat_path_file(argv[argc - 1], basename(argv[i]));
    112 ret |= copy_file(argv[i], dest, copy_flags);
    113
    114 /* Set the file mode */
    115 if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
    116 bb_perror_msg("cannot change permissions of %s", dest);
    117 ret = EXIT_FAILURE;
    118 }
    119
    120 /* Set the user and group id */
    121 if ((flags & (OPT_OWNER|OPT_GROUP))
    122 && lchown(dest, uid, gid) == -1
    123 ) {
    124 bb_perror_msg("cannot change ownership of %s", dest);
    125 ret = EXIT_FAILURE;
    126 }
    127 if (flags & OPT_STRIP) {
    128 if (execlp("strip", "strip", dest, NULL) == -1) {
    129 bb_perror_msg("strip");
    130 ret = EXIT_FAILURE;
    131 }
    132 }
    133 if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest);
    134 }
    135
    136 return ret;
    137 }