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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /testsuite/nsswitch/getpwent_r.c
parentInitial commit. (diff)
downloadsamba-upstream.tar.xz
samba-upstream.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testsuite/nsswitch/getpwent_r.c')
-rw-r--r--testsuite/nsswitch/getpwent_r.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/testsuite/nsswitch/getpwent_r.c b/testsuite/nsswitch/getpwent_r.c
new file mode 100644
index 0000000..5e77491
--- /dev/null
+++ b/testsuite/nsswitch/getpwent_r.c
@@ -0,0 +1,85 @@
+/*
+ * Use set/get/endpwent calls from two processes to iterate over the
+ * password database. This checks the multithreaded stuff works.
+ */
+
+#include <stdio.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <wait.h>
+
+void dump_pwent(char *id)
+{
+ struct passwd *pw;
+ char fname[255];
+ FILE *fptr;
+
+ /* Open results file */
+
+ sprintf(fname, "/tmp/getpwent_r-%s.out-%d", id, getpid());
+
+ if ((fptr = fopen(fname, "w")) == 0) {
+ fprintf(stderr, "ERROR: could not open file %s: %s\n", fname,
+ sys_errlist[errno]);
+ return;
+ }
+
+ /* Dump passwd database */
+
+ setpwent();
+
+ while((pw = getpwent()) != NULL) {
+ fprintf(fptr,"%s:%s:%s:%d:%d\n", pw->pw_name, pw->pw_passwd,
+ pw->pw_gecos, pw->pw_uid, pw->pw_gid);
+ }
+
+ endpwent();
+
+ /* Close results file */
+
+ fclose(fptr);
+}
+
+#define NUM_FORKS 2
+
+int main(int argc, char **argv)
+{
+ pid_t pids[NUM_FORKS];
+ int i, status;
+
+ /* Check args */
+
+ if (argc != 2) {
+ printf("ERROR: must specify output file identifier\n");
+ return 1;
+ }
+
+ for(i = 0; i < NUM_FORKS; i++) {
+
+ /* Fork off lots */
+
+ if ((pids[i] = fork()) == -1) {
+ perror("fork");
+ return 1;
+ }
+
+ /* Child does tests */
+
+ if (pids[i] == 0) {
+ dump_pwent(argv[1]);
+ return 0;
+ }
+ }
+
+ /* Wait for everyone to finish */
+
+ for (i = 0; i < NUM_FORKS; i++) {
+ waitpid(pids[i], &status, 0);
+ }
+
+ printf("PASS: getpwent_r.c\n");
+ return 0;
+}