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From a45636228c7000aef000e45d9853585e51bfb9ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Mon, 12 Oct 2020 18:57:32 +0200
Subject: [PATCH] test-login: always test sd_pid_get_owner_uid(), modernize
A long time some function only worked when in a session, and the test
didn't execute them when sd_pid_get_session() failed. Let's always call
them to increase coverage.
While at it, let's test for ==0 not >=0 where we don't expect the function
to return anything except 0 or error.
(cherry picked from commit 1b5b507cd2d1d7a2b053151abb548475ad9c5c3b)
Related: #2175624
---
src/libsystemd/sd-login/test-login.c | 132 ++++++++++++++-------------
1 file changed, 71 insertions(+), 61 deletions(-)
diff --git a/src/libsystemd/sd-login/test-login.c b/src/libsystemd/sd-login/test-login.c
index ccb1905a46..60ef889ec0 100644
--- a/src/libsystemd/sd-login/test-login.c
+++ b/src/libsystemd/sd-login/test-login.c
@@ -8,20 +8,22 @@
#include "sd-login.h"
#include "alloc-util.h"
+#include "errno-list.h"
#include "fd-util.h"
#include "format-util.h"
#include "log.h"
#include "string-util.h"
#include "strv.h"
-#include "util.h"
+#include "time-util.h"
+#include "user-util.h"
static char* format_uids(char **buf, uid_t* uids, int count) {
- int pos = 0, k, inc;
+ int pos = 0, inc;
size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;
assert_se(*buf = malloc(size));
- for (k = 0; k < count; k++) {
+ for (int k = 0; k < count; k++) {
sprintf(*buf + pos, "%s"UID_FMT"%n", k > 0 ? " " : "", uids[k], &inc);
pos += inc;
}
@@ -32,6 +34,10 @@ static char* format_uids(char **buf, uid_t* uids, int count) {
return *buf;
}
+static const char *e(int r) {
+ return r == 0 ? "OK" : errno_to_name(r);
+}
+
static void test_login(void) {
_cleanup_close_pair_ int pair[2] = { -1, -1 };
_cleanup_free_ char *pp = NULL, *qq = NULL,
@@ -41,65 +47,71 @@ static void test_login(void) {
*seat = NULL, *session = NULL,
*unit = NULL, *user_unit = NULL, *slice = NULL;
int r;
- uid_t u, u2;
- char *t, **seats, **sessions;
+ uid_t u, u2 = UID_INVALID;
+ char *t, **seats = NULL, **sessions = NULL;
r = sd_pid_get_unit(0, &unit);
- assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_pid_get_unit(0, …) → \"%s\"", strna(unit));
+ log_info("sd_pid_get_unit(0, …) → %s / \"%s\"", e(r), strnull(unit));
+ assert_se(IN_SET(r, 0, -ENODATA));
r = sd_pid_get_user_unit(0, &user_unit);
- assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_pid_get_user_unit(0, …) → \"%s\"", strna(user_unit));
+ log_info("sd_pid_get_user_unit(0, …) → %s / \"%s\"", e(r), strnull(user_unit));
+ assert_se(IN_SET(r, 0, -ENODATA));
r = sd_pid_get_slice(0, &slice);
- assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_pid_get_slice(0, …) → \"%s\"", strna(slice));
+ log_info("sd_pid_get_slice(0, …) → %s / \"%s\"", e(r), strnull(slice));
+ assert_se(IN_SET(r, 0, -ENODATA));
+
+ r = sd_pid_get_owner_uid(0, &u2);
+ log_info("sd_pid_get_owner_uid(0, …) → %s / "UID_FMT, e(r), u2);
+ assert_se(IN_SET(r, 0, -ENODATA));
r = sd_pid_get_session(0, &session);
- if (r < 0) {
- log_warning_errno(r, "sd_pid_get_session(0, …): %m");
- if (r == -ENODATA)
- log_info("Seems we are not running in a session, skipping some tests.");
- } else {
- log_info("sd_pid_get_session(0, …) → \"%s\"", session);
-
- assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
- log_info("sd_pid_get_owner_uid(0, …) → "UID_FMT, u2);
-
- assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
- log_info("sd_pid_get_cgroup(0, …) → \"%s\"", cgroup);
-
- r = sd_uid_get_display(u2, &display_session);
- assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_uid_get_display("UID_FMT", …) → \"%s\"",
- u2, strnull(display_session));
-
- assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
- sd_peer_get_session(pair[0], &pp);
- sd_peer_get_session(pair[1], &qq);
- assert_se(streq_ptr(pp, qq));
-
- r = sd_uid_get_sessions(u2, false, &sessions);
+ log_info("sd_pid_get_session(0, …) → %s / \"%s\"", e(r), strnull(session));
+
+ r = sd_pid_get_cgroup(0, &cgroup);
+ log_info("sd_pid_get_cgroup(0, …) → %s / \"%s\"", e(r), strnull(cgroup));
+ assert_se(r == 0);
+
+ r = sd_uid_get_display(u2, &display_session);
+ log_info("sd_uid_get_display("UID_FMT", …) → %s / \"%s\"", u2, e(r), strnull(display_session));
+ if (u2 == UID_INVALID)
+ assert_se(r == -EINVAL);
+ else
+ assert_se(IN_SET(r, 0, -ENODATA));
+
+ assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
+ sd_peer_get_session(pair[0], &pp);
+ sd_peer_get_session(pair[1], &qq);
+ assert_se(streq_ptr(pp, qq));
+
+ r = sd_uid_get_sessions(u2, false, &sessions);
+ assert_se(t = strv_join(sessions, " "));
+ log_info("sd_uid_get_sessions("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
+ if (u2 == UID_INVALID)
+ assert_se(r == -EINVAL);
+ else {
assert_se(r >= 0);
assert_se(r == (int) strv_length(sessions));
- assert_se(t = strv_join(sessions, " "));
- strv_free(sessions);
- log_info("sd_uid_get_sessions("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
- free(t);
+ }
+ sessions = strv_free(sessions);
+ free(t);
- assert_se(r == sd_uid_get_sessions(u2, false, NULL));
+ assert_se(r == sd_uid_get_sessions(u2, false, NULL));
- r = sd_uid_get_seats(u2, false, &seats);
+ r = sd_uid_get_seats(u2, false, &seats);
+ assert_se(t = strv_join(seats, " "));
+ log_info("sd_uid_get_seats("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
+ if (u2 == UID_INVALID)
+ assert_se(r == -EINVAL);
+ else {
assert_se(r >= 0);
assert_se(r == (int) strv_length(seats));
- assert_se(t = strv_join(seats, " "));
- strv_free(seats);
- log_info("sd_uid_get_seats("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
- free(t);
-
- assert_se(r == sd_uid_get_seats(u2, false, NULL));
}
+ seats = strv_free(seats);
+ free(t);
+
+ assert_se(r == sd_uid_get_seats(u2, false, NULL));
if (session) {
r = sd_session_is_active(session);
@@ -111,7 +123,7 @@ static void test_login(void) {
log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
r = sd_session_get_state(session, &state);
- assert_se(r >= 0);
+ assert_se(r == 0);
log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
assert_se(sd_session_get_uid(session, &u) >= 0);
@@ -125,16 +137,16 @@ static void test_login(void) {
log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
r = sd_session_get_display(session, &display);
- assert_se(r >= 0 || r == -ENODATA);
+ assert_se(IN_SET(r, 0, -ENODATA));
log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
r = sd_session_get_remote_user(session, &remote_user);
- assert_se(r >= 0 || r == -ENODATA);
+ assert_se(IN_SET(r, 0, -ENODATA));
log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
session, strna(remote_user));
r = sd_session_get_remote_host(session, &remote_host);
- assert_se(r >= 0 || r == -ENODATA);
+ assert_se(IN_SET(r, 0, -ENODATA));
log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
session, strna(remote_host));
@@ -160,7 +172,7 @@ static void test_login(void) {
assert_se(r == -ENODATA);
}
- assert_se(sd_uid_get_state(u, &state2) >= 0);
+ assert_se(sd_uid_get_state(u, &state2) == 0);
log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
}
@@ -172,11 +184,11 @@ static void test_login(void) {
assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
r = sd_seat_get_active(seat, &session2, &u2);
- assert_se(r >= 0);
+ assert_se(r == 0);
log_info("sd_seat_get_active(\"%s\", …) → \"%s\", "UID_FMT, seat, session2, u2);
r = sd_uid_is_on_seat(u, 1, seat);
- assert_se(r >= 0);
+ assert_se(IN_SET(r, 0, 1));
assert_se(!!r == streq(session, session2));
r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
@@ -184,8 +196,8 @@ static void test_login(void) {
assert_se(r == (int) strv_length(sessions));
assert_se(t = strv_join(sessions, " "));
strv_free(sessions);
- log_info("sd_seat_get_sessions(\"%s\", …) → %i, \"%s\", [%i] {%s}",
- seat, r, t, n, format_uids(&buf, uids, n));
+ log_info("sd_seat_get_sessions(\"%s\", …) → %s, \"%s\", [%u] {%s}",
+ seat, e(r), t, n, format_uids(&buf, uids, n));
free(t);
assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
@@ -203,7 +215,7 @@ static void test_login(void) {
r = sd_seat_get_active(NULL, &t, NULL);
assert_se(IN_SET(r, 0, -ENODATA));
- log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s", strnull(t));
+ log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s / \"%s\"", e(r), strnull(t));
free(t);
r = sd_get_sessions(&sessions);
@@ -243,13 +255,11 @@ static void test_login(void) {
static void test_monitor(void) {
sd_login_monitor *m = NULL;
- unsigned n;
int r;
- r = sd_login_monitor_new("session", &m);
- assert_se(r >= 0);
+ assert_se(sd_login_monitor_new("session", &m) == 0);
- for (n = 0; n < 5; n++) {
+ for (unsigned n = 0; n < 5; n++) {
struct pollfd pollfd = {};
usec_t timeout, nw;
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