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/* matchpathcon - get the default security context for the specified * path from the file contexts configuration. * based on libselinux-1.32 * Port to busybox: KaiGai Kohei <kaigai@kaigai.gr.jp> * * Licensed under GPLv2, see file LICENSE in this tarball for details. */ #include "libbb.h" static int print_matchpathcon(char *path, int noprint) { char *buf; int rc = matchpathcon(path, 0, &buf); if (rc < 0) { bb_perror_msg("matchpathcon(%s) failed", path); return 1; } if (!noprint) printf("%s\t%s\n", path, buf); else puts(buf); freecon(buf); return 0; } #define OPT_NOT_PRINT (1<<0) /* -n */ #define OPT_NOT_TRANS (1<<1) /* -N */ #define OPT_FCONTEXT (1<<2) /* -f */ #define OPT_PREFIX (1<<3) /* -p */ #define OPT_VERIFY (1<<4) /* -V */ int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int matchpathcon_main(int argc UNUSED_PARAM, char **argv) { int error = 0; unsigned opts; char *fcontext, *prefix, *path; opt_complementary = "-1" /* at least one param reqd */ ":?:f--p:p--f"; /* mutually exclusive */ opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix); argv += optind; if (opts & OPT_NOT_TRANS) { set_matchpathcon_flags(MATCHPATHCON_NOTRANS); } if (opts & OPT_FCONTEXT) { if (matchpathcon_init(fcontext)) bb_perror_msg_and_die("error while processing %s", fcontext); } if (opts & OPT_PREFIX) { if (matchpathcon_init_prefix(NULL, prefix)) bb_perror_msg_and_die("error while processing %s", prefix); } while ((path = *argv++) != NULL) { security_context_t con; int rc; if (!(opts & OPT_VERIFY)) { error += print_matchpathcon(path, opts & OPT_NOT_PRINT); continue; } if (selinux_file_context_verify(path, 0)) { printf("%s verified\n", path); continue; } if (opts & OPT_NOT_TRANS) rc = lgetfilecon_raw(path, &con); else rc = lgetfilecon(path, &con); if (rc >= 0) { printf("%s has context %s, should be ", path, con); error += print_matchpathcon(path, 1); freecon(con); continue; } printf("actual context unknown: %s, should be ", strerror(errno)); error += print_matchpathcon(path, 1); } matchpathcon_fini(); return error; } |