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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:46:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:46:53 +0000
commit19da58be2d9359a9641381feb559be0b918ef710 (patch)
tree109724175f07436696f51b14b5abbd3f4d704d6d /src/new_subid_range.c
parentInitial commit. (diff)
downloadshadow-19da58be2d9359a9641381feb559be0b918ef710.tar.xz
shadow-19da58be2d9359a9641381feb559be0b918ef710.zip
Adding upstream version 1:4.13+dfsg1.upstream/1%4.13+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/new_subid_range.c')
-rw-r--r--src/new_subid_range.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/new_subid_range.c b/src/new_subid_range.c
new file mode 100644
index 0000000..523d480
--- /dev/null
+++ b/src/new_subid_range.c
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "subid.h"
+#include "stdlib.h"
+#include "prototypes.h"
+#include "shadowlog.h"
+
+/* Test program for the subid creation routine */
+
+const char *Prog;
+
+static void usage(void)
+{
+ fprintf(stderr, "Usage: %s [-g] [-n] user count\n", Prog);
+ fprintf(stderr, " Find a subuid (or with -g, subgid) range for user\n");
+ fprintf(stderr, " If -n is given, a new range will be created even if one exists\n");
+ fprintf(stderr, " count defaults to 65536\n");
+ exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[])
+{
+ int c;
+ struct subordinate_range range;
+ bool makenew = false; // reuse existing by default
+ bool group = false; // get subuids by default
+ bool ok;
+
+ Prog = Basename (argv[0]);
+ log_set_progname(Prog);
+ log_set_logfd(stderr);
+ while ((c = getopt(argc, argv, "gn")) != EOF) {
+ switch(c) {
+ case 'n': makenew = true; break;
+ case 'g': group = true; break;
+ default: usage();
+ }
+ }
+ argv = &argv[optind];
+ argc = argc - optind;
+ if (argc == 0)
+ usage();
+ range.owner = argv[0];
+ range.start = 0;
+ range.count = 65536;
+ if (argc > 1)
+ range.count = atoi(argv[1]);
+ if (group)
+ ok = subid_grant_gid_range(&range, !makenew);
+ else
+ ok = subid_grant_uid_range(&range, !makenew);
+
+ if (!ok) {
+ fprintf(stderr, "Failed creating new id range\n");
+ exit(EXIT_FAILURE);
+ }
+ printf("Subuid range %lu:%lu\n", range.start, range.count);
+
+ return 0;
+}