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-rw-r--r--lib/util/regress/getgrouplist/getgids.c91
-rw-r--r--lib/util/regress/getgrouplist/getgrouplist_test.c117
2 files changed, 208 insertions, 0 deletions
diff --git a/lib/util/regress/getgrouplist/getgids.c b/lib/util/regress/getgrouplist/getgids.c
new file mode 100644
index 0000000..f366f83
--- /dev/null
+++ b/lib/util/regress/getgrouplist/getgids.c
@@ -0,0 +1,91 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif
+#include <unistd.h>
+#include <pwd.h>
+#include <grp.h>
+
+#define SUDO_ERROR_WRAP 0
+
+#include "sudo_compat.h"
+#include "sudo_fatal.h"
+#include "sudo_util.h"
+
+sudo_dso_public int main(int argc, char *argv[]);
+
+/*
+ * Implement "id -G" using sudo_getgrouplist2().
+ */
+
+int
+main(int argc, char *argv[])
+{
+ char *username = NULL;
+ GETGROUPS_T *groups = NULL;
+ struct passwd *pw;
+ int ch, i, ngroups;
+ gid_t basegid;
+
+ initprogname(argc > 0 ? argv[0] : "getgids");
+
+ while ((ch = getopt(argc, argv, "v")) != -1) {
+ switch (ch) {
+ case 'v':
+ /* ignore */
+ break;
+ default:
+ fprintf(stderr, "usage: %s [-v] [user]\n", getprogname());
+ return EXIT_FAILURE;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc > 0)
+ username = argv[0];
+
+ if (username != NULL) {
+ if ((pw = getpwnam(username)) == NULL)
+ sudo_fatalx("unknown user name %s", username);
+ } else {
+ if ((pw = getpwuid(getuid())) == NULL)
+ sudo_fatalx("unknown user ID %u", (unsigned int)getuid());
+ }
+ basegid = pw->pw_gid;
+ if ((username = strdup(pw->pw_name)) == NULL)
+ sudo_fatal(NULL);
+
+ if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1)
+ sudo_fatal("sudo_getgroulist2");
+
+ for (i = 0; i < ngroups; i++) {
+ printf("%s%u", i ? " " : "", (unsigned int)groups[i]);
+ }
+ putchar('\n');
+ return EXIT_SUCCESS;
+}
diff --git a/lib/util/regress/getgrouplist/getgrouplist_test.c b/lib/util/regress/getgrouplist/getgrouplist_test.c
new file mode 100644
index 0000000..8429528
--- /dev/null
+++ b/lib/util/regress/getgrouplist/getgrouplist_test.c
@@ -0,0 +1,117 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif
+#include <pwd.h>
+#include <grp.h>
+#include <unistd.h>
+
+#include "sudo_compat.h"
+#include "sudo_fatal.h"
+#include "sudo_util.h"
+
+sudo_dso_public int main(int argc, char *argv[]);
+
+/*
+ * Test that sudo_getgrouplist2() works as expected.
+ */
+
+int
+main(int argc, char *argv[])
+{
+ int errors = 0;
+#ifndef HAVE_GETGROUPLIST_2
+ GETGROUPS_T *groups = NULL;
+ struct passwd *pw;
+ struct group *grp;
+ char *username;
+ int ch, i, j, ntests = 0;
+ int ngroups;
+ gid_t basegid;
+
+ initprogname(argc > 0 ? argv[0] : "getgrouplist_test");
+
+ while ((ch = getopt(argc, argv, "v")) != -1) {
+ switch (ch) {
+ case 'v':
+ /* ignore */
+ break;
+ default:
+ fprintf(stderr, "usage: %s [-v]\n", getprogname());
+ return EXIT_FAILURE;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if ((pw = getpwuid(0)) == NULL)
+ sudo_fatal_nodebug("getpwuid(0)");
+ basegid = pw->pw_gid;
+ if ((username = strdup(pw->pw_name)) == NULL)
+ sudo_fatal_nodebug(NULL);
+
+ if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1)
+ sudo_fatal_nodebug("sudo_getgroulist2");
+
+ for (i = 0; i < ngroups; i++) {
+ ntests++;
+
+ /* Verify group ID exists. */
+ if ((grp = getgrgid(groups[i])) == NULL) {
+ sudo_warnx_nodebug("unable to look up group ID %u",
+ (unsigned int)groups[i]);
+ errors++;
+ continue;
+ }
+
+ /* Check user's primary gid from the passwd file. */
+ if (grp->gr_gid == basegid)
+ continue;
+
+ /* Verify group membership. */
+ for (j = 0; grp->gr_mem[j] != NULL; j++) {
+ if (strcmp(username, grp->gr_mem[j]) == 0) {
+ /* match */
+ break;
+ }
+ }
+ if (grp->gr_mem[j] == NULL) {
+ sudo_warnx_nodebug("unable to find %s in group %s",
+ username, grp->gr_name);
+ errors++;
+ continue;
+ }
+ }
+ if (ntests != 0) {
+ printf("%s: %d tests run, %d errors, %d%% success rate\n",
+ getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
+ }
+ free(username);
+ free(groups);
+#endif /* HAVE_GETGROUPLIST_2 */
+ return errors;
+}