Chris Hofstaedtler
55 lines
1023 B
C
55 lines
1023 B
C
/* SPDX-License-Identifier: BSD-3-Clause */
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#include <stdio.h>
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#include "atoi/getnum.h"
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#include "prototypes.h"
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#include "shadowlog.h"
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#include "stdlib.h"
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#include "string/strcmp/streq.h"
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#include "subid.h"
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static const char Prog[] = "get_subid_owners";
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static void usage(void)
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{
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fprintf(stderr, "Usage: [-g] %s subuid\n", Prog);
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fprintf(stderr, " list uids who own the given subuid\n");
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fprintf(stderr, " pass -g to query a subgid\n");
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exit(EXIT_FAILURE);
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}
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int main(int argc, char *argv[])
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{
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int i, n;
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uid_t u;
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uid_t *uids;
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log_set_progname(Prog);
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log_set_logfd(stderr);
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if (argc < 2) {
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usage();
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}
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if (argc == 3 && streq(argv[1], "-g")) {
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get_uid(argv[2], &u);
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n = subid_get_gid_owners(u, &uids);
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} else if (argc == 2 && streq(argv[1], "-h")) {
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usage();
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} else {
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get_gid(argv[1], &u);
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n = subid_get_uid_owners(u, &uids);
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}
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if (n < 0) {
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fprintf(stderr, "No owners found\n");
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exit(1);
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}
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for (i = 0; i < n; i++) {
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printf("%d\n", uids[i]);
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}
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free(uids);
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return 0;
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}
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