63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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#include <stdio.h>
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#include <unistd.h>
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#include "subid.h"
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#include "stdlib.h"
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#include "prototypes.h"
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#include "shadowlog.h"
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/* Test program for the subid creation routine */
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const char *Prog;
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static void usage(void)
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{
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fprintf(stderr, "Usage: %s [-g] [-n] user count\n", Prog);
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fprintf(stderr, " Find a subuid (or with -g, subgid) range for user\n");
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fprintf(stderr, " If -n is given, a new range will be created even if one exists\n");
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fprintf(stderr, " count defaults to 65536\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 c;
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struct subordinate_range range;
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bool makenew = false; // reuse existing by default
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bool group = false; // get subuids by default
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bool ok;
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Prog = Basename (argv[0]);
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log_set_progname(Prog);
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log_set_logfd(stderr);
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while ((c = getopt(argc, argv, "gn")) != EOF) {
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switch(c) {
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case 'n': makenew = true; break;
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case 'g': group = true; break;
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default: usage();
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}
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}
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argv = &argv[optind];
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argc = argc - optind;
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if (argc == 0)
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usage();
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range.owner = argv[0];
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range.start = 0;
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range.count = 65536;
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if (argc > 1)
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range.count = atoi(argv[1]);
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if (group)
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ok = subid_grant_gid_range(&range, !makenew);
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else
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ok = subid_grant_uid_range(&range, !makenew);
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if (!ok) {
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fprintf(stderr, "Failed creating new id range\n");
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exit(EXIT_FAILURE);
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}
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printf("Subuid range %lu:%lu\n", range.start, range.count);
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return 0;
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}
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