Module Name:    src
Committed By:   martin
Date:           Sun May  2 11:18:11 UTC 2021

Modified Files:
        src/tests/lib/libc/gen/posix_spawn: h_spawn.c t_spawnattr.c

Log Message:
Add test for POSIX_SPAWN_RESETIDS flag


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/tests/lib/libc/gen/posix_spawn/h_spawn.c
cvs rdiff -u -r1.3 -r1.4 src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/tests/lib/libc/gen/posix_spawn/h_spawn.c
diff -u src/tests/lib/libc/gen/posix_spawn/h_spawn.c:1.1 src/tests/lib/libc/gen/posix_spawn/h_spawn.c:1.2
--- src/tests/lib/libc/gen/posix_spawn/h_spawn.c:1.1	Mon Feb 13 21:03:08 2012
+++ src/tests/lib/libc/gen/posix_spawn/h_spawn.c	Sun May  2 11:18:11 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: h_spawn.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */
+/* $NetBSD: h_spawn.c,v 1.2 2021/05/02 11:18:11 martin Exp $ */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -32,6 +32,8 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 int
 main(int argc, char **argv)
@@ -39,11 +41,25 @@ main(int argc, char **argv)
 	unsigned long ret;
 	char *endp;
 
-	if (argc < 2) {
+	if (argc == 2 && strcmp(argv[1], "--resetids") == 0) {
+		if (getuid() != geteuid() || getgid() != getegid()) {
+			fprintf(stderr, "uid/gid do not match effective ids, "
+			    "uid: %d euid: %d gid: %d egid: %d\n",
+			    getuid(), geteuid(), getgid(), getegid());
+			exit(255);
+		}
+		return 0;
+	} else if (argc != 2) {
 		fprintf(stderr, "usage:\n\t%s (retcode)\n", getprogname());
 		exit(255);
 	}
 	ret = strtoul(argv[1], &endp, 10);
+	if (*endp != 0) {
+		fprintf(stderr,
+		    "invalid arg: %s\n"
+		    "usage:\n\t%s (retcode)\n", endp, getprogname());
+		exit(255);
+	}
 
 	fprintf(stderr, "%s exiting with status %lu\n", getprogname(), ret);
 	return ret;

Index: src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c
diff -u src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c:1.3 src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c:1.4
--- src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c:1.3	Thu Dec 21 03:31:43 2017
+++ src/tests/lib/libc/gen/posix_spawn/t_spawnattr.c	Sun May  2 11:18:11 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: t_spawnattr.c,v 1.3 2017/12/21 03:31:43 christos Exp $ */
+/* $NetBSD: t_spawnattr.c,v 1.4 2021/05/02 11:18:11 martin Exp $ */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -165,9 +165,43 @@ ATF_TC_BODY(t_spawnattr, tc)
 	posix_spawnattr_destroy(&attr);
 }
 
+ATF_TC(t_spawn_resetids);
+
+ATF_TC_HEAD(t_spawn_resetids, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "posix_spawn a child and with POSIX_SPAWN_RESETIDS flag");
+}
+
+ATF_TC_BODY(t_spawn_resetids, tc)
+{
+	char buf[FILENAME_MAX];
+	char * const args[] = {
+	     __UNCONST("h_spawn"), __UNCONST("--resetids"), NULL
+	};
+	posix_spawnattr_t attr;
+	int err, status;
+	pid_t pid;
+
+	posix_spawnattr_init(&attr);
+	posix_spawnattr_setflags(&attr, POSIX_SPAWN_RESETIDS);
+
+	snprintf(buf, sizeof buf, "%s/h_spawn",
+	    atf_tc_get_config_var(tc, "srcdir"));
+
+	err = posix_spawn(&pid, buf, NULL, &attr, args, NULL);
+	ATF_REQUIRE(err == 0);
+	ATF_REQUIRE(pid > 0);
+	waitpid(pid, &status, 0);
+	ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 0);
+
+	posix_spawnattr_destroy(&attr);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 	ATF_TP_ADD_TC(tp, t_spawnattr);
+	ATF_TP_ADD_TC(tp, t_spawn_resetids);
 
 	return atf_no_error();
 }

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