Contents of /trunk/mkinitrd-magellan/busybox/coreutils/install.c
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 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 | } |