X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fid.c;h=971e7cdad6949e00bca908830992fedd414ddf25;hb=637d2266e1ea711f27ab0aec200a196b5eccbbca;hp=3f90d55f63b2321043e729c68721b390841ab309;hpb=4142d4dc661c85b731c21b3296a04d1c5b5c3367;p=oweals%2Fbusybox.git diff --git a/coreutils/id.c b/coreutils/id.c index 3f90d55f6..971e7cdad 100644 --- a/coreutils/id.c +++ b/coreutils/id.c @@ -20,78 +20,91 @@ * */ +/* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */ + #include "busybox.h" #include #include #include #include #include +#ifdef CONFIG_SELINUX +#include +#include +#endif + +#define JUST_USER 1 +#define JUST_GROUP 2 +#define PRINT_REAL 4 +#define NAME_NOT_NUMBER 8 extern int id_main(int argc, char **argv) { - int no_user = 0, no_group = 0, print_real = 0; - int name_not_number = 0; char user[9], group[9]; - long gid; long pwnam, grnam; - int opt; + int uid, gid; + int flags; +#ifdef CONFIG_SELINUX + int is_flask_enabled_flag = is_flask_enabled(); +#endif - gid = 0; + flags = bb_getopt_ulflags(argc, argv, "ugrn"); - while ((opt = getopt(argc, argv, "ugrn")) > 0) { - switch (opt) { - case 'u': - no_group++; - break; - case 'g': - no_user++; - break; - case 'r': - print_real++; - break; - case 'n': - name_not_number++; - break; - default: - show_usage(); - } + if (((flags & (JUST_USER | JUST_GROUP)) == (JUST_USER | JUST_GROUP)) + || (argc > optind + 1) + ) { + bb_show_usage(); } - if (no_user && no_group) show_usage(); - if (argv[optind] == NULL) { - if (print_real) { - my_getpwuid(user, getuid()); - my_getgrgid(group, getgid()); + if (flags & PRINT_REAL) { + uid = getuid(); + gid = getgid(); } else { - my_getpwuid(user, geteuid()); - my_getgrgid(group, getegid()); + uid = geteuid(); + gid = getegid(); } + my_getpwuid(user, uid); } else { - strncpy(user, argv[optind], 8); - user[8] = '\0'; + safe_strncpy(user, argv[optind], sizeof(user)); gid = my_getpwnamegid(user); - my_getgrgid(group, gid); } + my_getgrgid(group, gid); pwnam=my_getpwnam(user); grnam=my_getgrnam(group); - if (no_group) { - if(name_not_number && user) - printf("%s\n",user); - else - printf("%ld\n", pwnam); - } else if (no_user) { - if(name_not_number && group) - printf("%s\n", group); - else + if (flags & (JUST_GROUP | JUST_USER)) { + char *s = group; + if (flags & JUST_USER) { + s = user; + grnam = pwnam; + } + if (flags & NAME_NOT_NUMBER) { + puts(s); + } else { printf("%ld\n", grnam); + } } else { +#ifdef CONFIG_SELINUX + printf("uid=%ld(%s) gid=%ld(%s)", pwnam, user, grnam, group); + if(is_flask_enabled_flag) + { + security_id_t mysid = getsecsid(); + char context[80]; + int len = sizeof(context); + context[0] = '\0'; + if(security_sid_to_context(mysid, context, &len)) + strcpy(context, "unknown"); + printf(" context=%s\n", context); + } + else + printf("\n"); +#else printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group); - } - return(0); -} +#endif + } -/* END CODE */ + bb_fflush_stdout_and_exit(0); +}