[1765] | 1 | /*
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| 2 | setfiles: based on policycoreutils 2.0.19
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| 3 | policycoreutils was released under GPL 2.
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| 4 | Port to BusyBox (c) 2007 by Yuichi Nakamura <ynakam@hitachisoft.jp>
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| 5 | */
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| 6 |
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| 7 | #include "libbb.h"
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| 8 | #if ENABLE_FEATURE_SETFILES_CHECK_OPTION
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| 9 | #include <sepol/sepol.h>
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| 10 | #endif
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| 11 |
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| 12 | #define MAX_EXCLUDES 50
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| 13 |
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| 14 | struct edir {
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| 15 | char *directory;
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| 16 | size_t size;
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| 17 | };
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| 18 |
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| 19 | struct globals {
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| 20 | FILE *outfile;
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| 21 | char *policyfile;
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| 22 | char *rootpath;
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| 23 | int rootpathlen;
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| 24 | unsigned count;
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| 25 | int excludeCtr;
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| 26 | int errors;
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| 27 | int verbose; /* getopt32 uses it, has to be int */
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| 28 | smallint recurse; /* Recursive descent */
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| 29 | smallint follow_mounts;
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| 30 | /* Behavior flags determined based on setfiles vs. restorecon */
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| 31 | smallint expand_realpath; /* Expand paths via realpath */
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| 32 | smallint abort_on_error; /* Abort the file tree walk upon an error */
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| 33 | int add_assoc; /* Track inode associations for conflict detection */
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| 34 | int matchpathcon_flags; /* Flags to matchpathcon */
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| 35 | dev_t dev_id; /* Device id where target file exists */
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| 36 | int nerr;
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| 37 | struct edir excludeArray[MAX_EXCLUDES];
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| 38 | };
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| 39 |
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| 40 | #define G (*(struct globals*)&bb_common_bufsiz1)
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| 41 | void BUG_setfiles_globals_too_big(void);
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| 42 | #define INIT_G() do { \
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| 43 | if (sizeof(G) > COMMON_BUFSIZE) \
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| 44 | BUG_setfiles_globals_too_big(); \
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| 45 | /* memset(&G, 0, sizeof(G)); - already is */ \
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| 46 | } while (0)
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| 47 | #define outfile (G.outfile )
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| 48 | #define policyfile (G.policyfile )
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| 49 | #define rootpath (G.rootpath )
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| 50 | #define rootpathlen (G.rootpathlen )
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| 51 | #define count (G.count )
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| 52 | #define excludeCtr (G.excludeCtr )
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| 53 | #define errors (G.errors )
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| 54 | #define verbose (G.verbose )
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| 55 | #define recurse (G.recurse )
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| 56 | #define follow_mounts (G.follow_mounts )
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| 57 | #define expand_realpath (G.expand_realpath )
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| 58 | #define abort_on_error (G.abort_on_error )
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| 59 | #define add_assoc (G.add_assoc )
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| 60 | #define matchpathcon_flags (G.matchpathcon_flags)
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| 61 | #define dev_id (G.dev_id )
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| 62 | #define nerr (G.nerr )
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| 63 | #define excludeArray (G.excludeArray )
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| 64 |
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| 65 | /* Must match getopt32 string! */
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| 66 | enum {
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| 67 | OPT_d = (1 << 0),
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| 68 | OPT_e = (1 << 1),
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| 69 | OPT_f = (1 << 2),
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| 70 | OPT_i = (1 << 3),
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| 71 | OPT_l = (1 << 4),
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| 72 | OPT_n = (1 << 5),
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| 73 | OPT_p = (1 << 6),
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| 74 | OPT_q = (1 << 7),
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| 75 | OPT_r = (1 << 8),
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| 76 | OPT_s = (1 << 9),
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| 77 | OPT_v = (1 << 10),
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| 78 | OPT_o = (1 << 11),
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| 79 | OPT_F = (1 << 12),
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| 80 | OPT_W = (1 << 13),
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| 81 | OPT_c = (1 << 14), /* c only for setfiles */
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| 82 | OPT_R = (1 << 14), /* R only for restorecon */
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| 83 | };
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| 84 | #define FLAG_d_debug (option_mask32 & OPT_d)
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| 85 | #define FLAG_e (option_mask32 & OPT_e)
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| 86 | #define FLAG_f (option_mask32 & OPT_f)
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| 87 | #define FLAG_i_ignore_enoent (option_mask32 & OPT_i)
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| 88 | #define FLAG_l_take_log (option_mask32 & OPT_l)
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| 89 | #define FLAG_n_dry_run (option_mask32 & OPT_n)
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| 90 | #define FLAG_p_progress (option_mask32 & OPT_p)
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| 91 | #define FLAG_q_quiet (option_mask32 & OPT_q)
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| 92 | #define FLAG_r (option_mask32 & OPT_r)
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| 93 | #define FLAG_s (option_mask32 & OPT_s)
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| 94 | #define FLAG_v (option_mask32 & OPT_v)
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| 95 | #define FLAG_o (option_mask32 & OPT_o)
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| 96 | #define FLAG_F_force (option_mask32 & OPT_F)
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| 97 | #define FLAG_W_warn_no_match (option_mask32 & OPT_W)
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| 98 | #define FLAG_c (option_mask32 & OPT_c)
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| 99 | #define FLAG_R (option_mask32 & OPT_R)
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| 100 |
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| 101 |
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| 102 | static void qprintf(const char *fmt, ...)
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| 103 | {
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| 104 | /* quiet, do nothing */
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| 105 | }
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| 106 |
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| 107 | static void inc_err(void)
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| 108 | {
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| 109 | nerr++;
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| 110 | if (nerr > 9 && !FLAG_d_debug) {
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| 111 | bb_error_msg_and_die("exiting after 10 errors");
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | static void add_exclude(const char *const directory)
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| 116 | {
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| 117 | struct stat sb;
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| 118 | size_t len;
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| 119 |
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| 120 | if (directory == NULL || directory[0] != '/') {
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| 121 | bb_error_msg_and_die("full path required for exclude: %s", directory);
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| 122 |
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| 123 | }
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| 124 | if (lstat(directory, &sb)) {
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| 125 | bb_error_msg("directory \"%s\" not found, ignoring", directory);
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| 126 | return;
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| 127 | }
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| 128 | if ((sb.st_mode & S_IFDIR) == 0) {
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| 129 | bb_error_msg("\"%s\" is not a directory: mode %o, ignoring",
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| 130 | directory, sb.st_mode);
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| 131 | return;
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| 132 | }
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| 133 | if (excludeCtr == MAX_EXCLUDES) {
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| 134 | bb_error_msg_and_die("maximum excludes %d exceeded", MAX_EXCLUDES);
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| 135 | }
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| 136 |
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| 137 | len = strlen(directory);
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| 138 | while (len > 1 && directory[len - 1] == '/') {
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| 139 | len--;
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| 140 | }
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| 141 | excludeArray[excludeCtr].directory = xstrndup(directory, len);
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| 142 | excludeArray[excludeCtr++].size = len;
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| 143 | }
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| 144 |
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| 145 | static bool exclude(const char *file)
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| 146 | {
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| 147 | int i = 0;
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| 148 | for (i = 0; i < excludeCtr; i++) {
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| 149 | if (strncmp(file, excludeArray[i].directory,
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| 150 | excludeArray[i].size) == 0) {
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| 151 | if (file[excludeArray[i].size] == '\0'
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| 152 | || file[excludeArray[i].size] == '/') {
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| 153 | return 1;
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| 154 | }
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| 155 | }
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| 156 | }
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| 157 | return 0;
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| 158 | }
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| 159 |
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| 160 | static int match(const char *name, struct stat *sb, char **con)
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| 161 | {
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| 162 | int ret;
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| 163 | char path[PATH_MAX + 1];
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| 164 | char *tmp_path = xstrdup(name);
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| 165 |
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| 166 | if (excludeCtr > 0 && exclude(name)) {
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| 167 | goto err;
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| 168 | }
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| 169 | ret = lstat(name, sb);
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| 170 | if (ret) {
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| 171 | if (FLAG_i_ignore_enoent && errno == ENOENT) {
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| 172 | free(tmp_path);
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| 173 | return 0;
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| 174 | }
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| 175 | bb_error_msg("stat(%s)", name);
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| 176 | goto err;
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| 177 | }
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| 178 |
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| 179 | if (expand_realpath) {
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| 180 | if (S_ISLNK(sb->st_mode)) {
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| 181 | char *p = NULL;
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| 182 | char *file_sep;
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| 183 |
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| 184 | size_t len = 0;
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| 185 |
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| 186 | if (verbose > 1)
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| 187 | bb_error_msg("warning! %s refers to a symbolic link, not following last component", name);
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| 188 |
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| 189 | file_sep = strrchr(tmp_path, '/');
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| 190 | if (file_sep == tmp_path) {
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| 191 | file_sep++;
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| 192 | path[0] = '\0';
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| 193 | p = path;
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| 194 | } else if (file_sep) {
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| 195 | *file_sep++ = '\0';
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| 196 | p = realpath(tmp_path, path);
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| 197 | } else {
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| 198 | file_sep = tmp_path;
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| 199 | p = realpath("./", path);
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| 200 | }
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| 201 | if (p)
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| 202 | len = strlen(p);
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| 203 | if (!p || len + strlen(file_sep) + 2 > PATH_MAX) {
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| 204 | bb_perror_msg("realpath(%s) failed", name);
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| 205 | goto err;
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| 206 | }
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| 207 | p += len;
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| 208 | /* ensure trailing slash of directory name */
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| 209 | if (len == 0 || p[-1] != '/') {
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| 210 | *p++ = '/';
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| 211 | }
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| 212 | strcpy(p, file_sep);
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| 213 | name = path;
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| 214 | if (excludeCtr > 0 && exclude(name))
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| 215 | goto err;
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| 216 |
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| 217 | } else {
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| 218 | char *p;
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| 219 | p = realpath(name, path);
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| 220 | if (!p) {
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| 221 | bb_perror_msg("realpath(%s)", name);
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| 222 | goto err;
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| 223 | }
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| 224 | name = p;
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| 225 | if (excludeCtr > 0 && exclude(name))
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| 226 | goto err;
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| 227 | }
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| 228 | }
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| 229 |
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| 230 | /* name will be what is matched in the policy */
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| 231 | if (NULL != rootpath) {
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| 232 | if (0 != strncmp(rootpath, name, rootpathlen)) {
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| 233 | bb_error_msg("%s is not located in %s",
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| 234 | name, rootpath);
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| 235 | goto err;
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| 236 | }
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| 237 | name += rootpathlen;
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| 238 | }
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| 239 |
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| 240 | free(tmp_path);
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| 241 | if (rootpath != NULL && name[0] == '\0')
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| 242 | /* this is actually the root dir of the alt root */
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| 243 | return matchpathcon_index("/", sb->st_mode, con);
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| 244 | return matchpathcon_index(name, sb->st_mode, con);
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| 245 | err:
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| 246 | free(tmp_path);
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| 247 | return -1;
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| 248 | }
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| 249 |
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| 250 | /* Compare two contexts to see if their differences are "significant",
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| 251 | * or whether the only difference is in the user. */
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| 252 | static bool only_changed_user(const char *a, const char *b)
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| 253 | {
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| 254 | if (FLAG_F_force)
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| 255 | return 0;
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| 256 | if (!a || !b)
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| 257 | return 0;
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| 258 | a = strchr(a, ':'); /* Rest of the context after the user */
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| 259 | b = strchr(b, ':');
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| 260 | if (!a || !b)
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| 261 | return 0;
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| 262 | return (strcmp(a, b) == 0);
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| 263 | }
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| 264 |
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| 265 | static int restore(const char *file)
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| 266 | {
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| 267 | char *my_file;
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| 268 | struct stat my_sb;
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| 269 | int i, j, ret;
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| 270 | char *context = NULL;
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| 271 | char *newcon = NULL;
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| 272 | bool user_only_changed = 0;
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| 273 | int retval = 0;
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| 274 |
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| 275 | my_file = bb_simplify_path(file);
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| 276 |
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| 277 | i = match(my_file, &my_sb, &newcon);
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| 278 |
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| 279 | if (i < 0) /* No matching specification. */
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| 280 | goto out;
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| 281 |
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| 282 | if (FLAG_p_progress) {
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| 283 | count++;
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| 284 | if (count % 0x400 == 0) { /* every 1024 times */
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| 285 | count = (count % (80*0x400));
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| 286 | if (count == 0)
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| 287 | fputc('\n', stdout);
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| 288 | fputc('*', stdout);
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| 289 | fflush(stdout);
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | /*
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| 294 | * Try to add an association between this inode and
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| 295 | * this specification. If there is already an association
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| 296 | * for this inode and it conflicts with this specification,
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| 297 | * then use the last matching specification.
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| 298 | */
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| 299 | if (add_assoc) {
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| 300 | j = matchpathcon_filespec_add(my_sb.st_ino, i, my_file);
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| 301 | if (j < 0)
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| 302 | goto err;
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| 303 |
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| 304 | if (j != i) {
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| 305 | /* There was already an association and it took precedence. */
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| 306 | goto out;
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| 307 | }
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| 308 | }
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| 309 |
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| 310 | if (FLAG_d_debug)
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| 311 | printf("%s: %s matched by %s\n", applet_name, my_file, newcon);
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| 312 |
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| 313 | /* Get the current context of the file. */
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| 314 | ret = lgetfilecon_raw(my_file, &context);
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| 315 | if (ret < 0) {
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| 316 | if (errno == ENODATA) {
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| 317 | context = NULL; /* paranoia */
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| 318 | } else {
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| 319 | bb_perror_msg("lgetfilecon_raw on %s", my_file);
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| 320 | goto err;
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| 321 | }
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| 322 | user_only_changed = 0;
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| 323 | } else
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| 324 | user_only_changed = only_changed_user(context, newcon);
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| 325 |
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| 326 | /*
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| 327 | * Do not relabel the file if the matching specification is
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| 328 | * <<none>> or the file is already labeled according to the
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| 329 | * specification.
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| 330 | */
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| 331 | if ((strcmp(newcon, "<<none>>") == 0)
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| 332 | || (context && (strcmp(context, newcon) == 0) && !FLAG_F_force)) {
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| 333 | goto out;
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| 334 | }
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| 335 |
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| 336 | if (!FLAG_F_force && context && (is_context_customizable(context) > 0)) {
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| 337 | if (verbose > 1) {
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| 338 | bb_error_msg("skipping %s. %s is customizable_types",
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| 339 | my_file, context);
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| 340 | }
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| 341 | goto out;
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| 342 | }
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| 343 |
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| 344 | if (verbose) {
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| 345 | /* If we're just doing "-v", trim out any relabels where
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| 346 | * the user has changed but the role and type are the
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| 347 | * same. For "-vv", emit everything. */
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| 348 | if (verbose > 1 || !user_only_changed) {
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| 349 | bb_info_msg("%s: reset %s context %s->%s",
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| 350 | applet_name, my_file, context ?: "", newcon);
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| 351 | }
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| 352 | }
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| 353 |
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| 354 | if (FLAG_l_take_log && !user_only_changed) {
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| 355 | if (context)
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| 356 | bb_info_msg("relabeling %s from %s to %s", my_file, context, newcon);
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| 357 | else
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| 358 | bb_info_msg("labeling %s to %s", my_file, newcon);
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| 359 | }
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| 360 |
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| 361 | if (outfile && !user_only_changed)
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| 362 | fprintf(outfile, "%s\n", my_file);
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| 363 |
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| 364 | /*
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| 365 | * Do not relabel the file if -n was used.
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| 366 | */
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| 367 | if (FLAG_n_dry_run || user_only_changed)
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| 368 | goto out;
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| 369 |
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| 370 | /*
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| 371 | * Relabel the file to the specified context.
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| 372 | */
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| 373 | ret = lsetfilecon(my_file, newcon);
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| 374 | if (ret) {
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| 375 | bb_perror_msg("lsetfileconon(%s,%s)", my_file, newcon);
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| 376 | goto err;
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| 377 | }
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| 378 |
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| 379 | out:
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| 380 | freecon(context);
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| 381 | freecon(newcon);
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| 382 | free(my_file);
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| 383 | return retval;
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| 384 | err:
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| 385 | retval--; /* -1 */
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| 386 | goto out;
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| 387 | }
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| 388 |
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| 389 | /*
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| 390 | * Apply the last matching specification to a file.
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| 391 | * This function is called by recursive_action on each file during
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| 392 | * the directory traversal.
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| 393 | */
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| 394 | static int apply_spec(const char *file,
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| 395 | struct stat *sb, void *userData, int depth)
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| 396 | {
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| 397 | if (!follow_mounts) {
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| 398 | /* setfiles does not process across different mount points */
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| 399 | if (sb->st_dev != dev_id) {
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| 400 | return SKIP;
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| 401 | }
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| 402 | }
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| 403 | errors |= restore(file);
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| 404 | if (abort_on_error && errors)
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| 405 | return FALSE;
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| 406 | return TRUE;
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| 407 | }
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| 408 |
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| 409 |
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| 410 | static int canoncon(const char *path, unsigned lineno, char **contextp)
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| 411 | {
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| 412 | static const char err_msg[] ALIGN1 = "%s: line %u has invalid context %s";
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| 413 |
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| 414 | char *tmpcon;
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| 415 | char *context = *contextp;
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| 416 | int invalid = 0;
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| 417 |
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| 418 | #if ENABLE_FEATURE_SETFILES_CHECK_OPTION
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| 419 | if (policyfile) {
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| 420 | if (sepol_check_context(context) >= 0)
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| 421 | return 0;
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| 422 | /* Exit immediately if we're in checking mode. */
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| 423 | bb_error_msg_and_die(err_msg, path, lineno, context);
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| 424 | }
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| 425 | #endif
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| 426 |
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| 427 | if (security_canonicalize_context_raw(context, &tmpcon) < 0) {
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| 428 | if (errno != ENOENT) {
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| 429 | invalid = 1;
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| 430 | inc_err();
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| 431 | }
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| 432 | } else {
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| 433 | free(context);
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| 434 | *contextp = tmpcon;
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| 435 | }
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| 436 |
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| 437 | if (invalid) {
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| 438 | bb_error_msg(err_msg, path, lineno, context);
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| 439 | }
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| 440 |
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| 441 | return invalid;
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| 442 | }
|
---|
| 443 |
|
---|
| 444 | static int process_one(char *name)
|
---|
| 445 | {
|
---|
| 446 | struct stat sb;
|
---|
| 447 | int rc;
|
---|
| 448 |
|
---|
| 449 | rc = lstat(name, &sb);
|
---|
| 450 | if (rc < 0) {
|
---|
| 451 | if (FLAG_i_ignore_enoent && errno == ENOENT)
|
---|
| 452 | return 0;
|
---|
| 453 | bb_perror_msg("stat(%s)", name);
|
---|
| 454 | goto err;
|
---|
| 455 | }
|
---|
| 456 | dev_id = sb.st_dev;
|
---|
| 457 |
|
---|
| 458 | if (S_ISDIR(sb.st_mode) && recurse) {
|
---|
| 459 | if (recursive_action(name,
|
---|
| 460 | ACTION_RECURSE,
|
---|
| 461 | apply_spec,
|
---|
| 462 | apply_spec,
|
---|
| 463 | NULL, 0) != TRUE) {
|
---|
| 464 | bb_error_msg("error while labeling %s", name);
|
---|
| 465 | goto err;
|
---|
| 466 | }
|
---|
| 467 | } else {
|
---|
| 468 | rc = restore(name);
|
---|
| 469 | if (rc)
|
---|
| 470 | goto err;
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | out:
|
---|
| 474 | if (add_assoc) {
|
---|
| 475 | if (FLAG_q_quiet)
|
---|
| 476 | set_matchpathcon_printf(&qprintf);
|
---|
| 477 | matchpathcon_filespec_eval();
|
---|
| 478 | set_matchpathcon_printf(NULL);
|
---|
| 479 | matchpathcon_filespec_destroy();
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | return rc;
|
---|
| 483 |
|
---|
| 484 | err:
|
---|
| 485 | rc = -1;
|
---|
| 486 | goto out;
|
---|
| 487 | }
|
---|
| 488 |
|
---|
| 489 | int setfiles_main(int argc, char **argv);
|
---|
| 490 | int setfiles_main(int argc, char **argv)
|
---|
| 491 | {
|
---|
| 492 | struct stat sb;
|
---|
| 493 | int rc, i = 0;
|
---|
| 494 | const char *input_filename = NULL;
|
---|
| 495 | char *buf = NULL;
|
---|
| 496 | size_t buf_len;
|
---|
| 497 | int flags;
|
---|
| 498 | llist_t *exclude_dir = NULL;
|
---|
| 499 | char *out_filename = NULL;
|
---|
| 500 |
|
---|
| 501 | INIT_G();
|
---|
| 502 |
|
---|
| 503 | if (applet_name[0] == 's') { /* "setfiles" */
|
---|
| 504 | /*
|
---|
| 505 | * setfiles:
|
---|
| 506 | * Recursive descent,
|
---|
| 507 | * Does not expand paths via realpath,
|
---|
| 508 | * Aborts on errors during the file tree walk,
|
---|
| 509 | * Try to track inode associations for conflict detection,
|
---|
| 510 | * Does not follow mounts,
|
---|
| 511 | * Validates all file contexts at init time.
|
---|
| 512 | */
|
---|
| 513 | recurse = 1;
|
---|
| 514 | abort_on_error = 1;
|
---|
| 515 | add_assoc = 1;
|
---|
| 516 | /* follow_mounts = 0; - already is */
|
---|
| 517 | matchpathcon_flags = MATCHPATHCON_VALIDATE | MATCHPATHCON_NOTRANS;
|
---|
| 518 | } else {
|
---|
| 519 | /*
|
---|
| 520 | * restorecon:
|
---|
| 521 | * No recursive descent unless -r/-R,
|
---|
| 522 | * Expands paths via realpath,
|
---|
| 523 | * Do not abort on errors during the file tree walk,
|
---|
| 524 | * Do not try to track inode associations for conflict detection,
|
---|
| 525 | * Follows mounts,
|
---|
| 526 | * Does lazy validation of contexts upon use.
|
---|
| 527 | */
|
---|
| 528 | expand_realpath = 1;
|
---|
| 529 | follow_mounts = 1;
|
---|
| 530 | matchpathcon_flags = MATCHPATHCON_NOTRANS;
|
---|
| 531 | /* restorecon only */
|
---|
| 532 | selinux_or_die();
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | set_matchpathcon_flags(matchpathcon_flags);
|
---|
| 536 |
|
---|
| 537 | opt_complementary = "e::vv:v--p:p--v:v--q:q--v";
|
---|
| 538 | /* Option order must match OPT_x definitions! */
|
---|
| 539 | if (applet_name[0] == 'r') { /* restorecon */
|
---|
| 540 | flags = getopt32(argv, "de:f:ilnpqrsvo:FWR",
|
---|
| 541 | &exclude_dir, &input_filename, &out_filename, &verbose);
|
---|
| 542 | } else { /* setfiles */
|
---|
| 543 | flags = getopt32(argv, "de:f:ilnpqr:svo:FW"
|
---|
| 544 | USE_FEATURE_SETFILES_CHECK_OPTION("c:"),
|
---|
| 545 | &exclude_dir, &input_filename, &rootpath, &out_filename,
|
---|
| 546 | USE_FEATURE_SETFILES_CHECK_OPTION(&policyfile,)
|
---|
| 547 | &verbose);
|
---|
| 548 | }
|
---|
| 549 |
|
---|
| 550 | #if ENABLE_FEATURE_SETFILES_CHECK_OPTION
|
---|
| 551 | if ((applet_name[0] == 's') && (flags & OPT_c)) {
|
---|
| 552 | FILE *policystream;
|
---|
| 553 |
|
---|
| 554 | policystream = xfopen(policyfile, "r");
|
---|
| 555 | if (sepol_set_policydb_from_file(policystream) < 0) {
|
---|
| 556 | bb_error_msg_and_die("sepol_set_policydb_from_file on %s", policyfile);
|
---|
| 557 | }
|
---|
| 558 | fclose(policystream);
|
---|
| 559 |
|
---|
| 560 | /* Only process the specified file_contexts file, not
|
---|
| 561 | any .homedirs or .local files, and do not perform
|
---|
| 562 | context translations. */
|
---|
| 563 | set_matchpathcon_flags(MATCHPATHCON_BASEONLY |
|
---|
| 564 | MATCHPATHCON_NOTRANS |
|
---|
| 565 | MATCHPATHCON_VALIDATE);
|
---|
| 566 | }
|
---|
| 567 | #endif
|
---|
| 568 |
|
---|
| 569 | while (exclude_dir)
|
---|
| 570 | add_exclude(llist_pop(&exclude_dir));
|
---|
| 571 |
|
---|
| 572 | if (flags & OPT_o) {
|
---|
| 573 | outfile = stdout;
|
---|
| 574 | if (NOT_LONE_CHAR(out_filename, '-')) {
|
---|
| 575 | outfile = xfopen(out_filename, "w");
|
---|
| 576 | }
|
---|
| 577 | }
|
---|
| 578 | if (applet_name[0] == 'r') { /* restorecon */
|
---|
| 579 | if (flags & (OPT_r | OPT_R))
|
---|
| 580 | recurse = 1;
|
---|
| 581 | } else { /* setfiles */
|
---|
| 582 | if (flags & OPT_r)
|
---|
| 583 | rootpathlen = strlen(rootpath);
|
---|
| 584 | }
|
---|
| 585 | if (flags & OPT_s) {
|
---|
| 586 | input_filename = "-";
|
---|
| 587 | add_assoc = 0;
|
---|
| 588 | }
|
---|
| 589 |
|
---|
| 590 | if (applet_name[0] == 's') { /* setfiles */
|
---|
| 591 | /* Use our own invalid context checking function so that
|
---|
| 592 | we can support either checking against the active policy or
|
---|
| 593 | checking against a binary policy file. */
|
---|
| 594 | set_matchpathcon_canoncon(&canoncon);
|
---|
| 595 | if (argc == 1)
|
---|
| 596 | bb_show_usage();
|
---|
| 597 | if (stat(argv[optind], &sb) < 0) {
|
---|
| 598 | bb_perror_msg_and_die("%s", argv[optind]);
|
---|
| 599 | }
|
---|
| 600 | if (!S_ISREG(sb.st_mode)) {
|
---|
| 601 | bb_error_msg_and_die("spec file %s is not a regular file", argv[optind]);
|
---|
| 602 | }
|
---|
| 603 | /* Load the file contexts configuration and check it. */
|
---|
| 604 | rc = matchpathcon_init(argv[optind]);
|
---|
| 605 | if (rc < 0) {
|
---|
| 606 | bb_perror_msg_and_die("%s", argv[optind]);
|
---|
| 607 | }
|
---|
| 608 |
|
---|
| 609 | optind++;
|
---|
| 610 |
|
---|
| 611 | if (nerr)
|
---|
| 612 | exit(1);
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 | if (input_filename) {
|
---|
| 616 | ssize_t len;
|
---|
| 617 | FILE *f = stdin;
|
---|
| 618 |
|
---|
| 619 | if (NOT_LONE_CHAR(input_filename, '-'))
|
---|
| 620 | f = xfopen(input_filename, "r");
|
---|
| 621 | while ((len = getline(&buf, &buf_len, f)) > 0) {
|
---|
| 622 | buf[len - 1] = '\0';
|
---|
| 623 | errors |= process_one(buf);
|
---|
| 624 | }
|
---|
| 625 | if (ENABLE_FEATURE_CLEAN_UP)
|
---|
| 626 | fclose_if_not_stdin(f);
|
---|
| 627 | } else {
|
---|
| 628 | if (optind >= argc)
|
---|
| 629 | bb_show_usage();
|
---|
| 630 | for (i = optind; i < argc; i++) {
|
---|
| 631 | errors |= process_one(argv[i]);
|
---|
| 632 | }
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 | if (FLAG_W_warn_no_match)
|
---|
| 636 | matchpathcon_checkmatches(argv[0]);
|
---|
| 637 |
|
---|
| 638 | if (ENABLE_FEATURE_CLEAN_UP && outfile)
|
---|
| 639 | fclose(outfile);
|
---|
| 640 |
|
---|
| 641 | return errors;
|
---|
| 642 | }
|
---|