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/* Copyright (C) 2022 the GSS-PROXY contributors, see COPYING for license */
#define _GNU_SOURCE
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
char *srv_args[] = {
"./gssproxy",
"-u", "-i",
"-d", "--debug-level=1",
"-s", "./testdir/userproxytest.sock",
"--idle-timeout=3",
NULL
};
int mock_activation_sockets(void)
{
struct sockaddr_un addr = {
.sun_family = AF_UNIX,
.sun_path = "./testdir/userproxytest.sock",
};
int fd;
int ret;
unlink(addr.sun_path);
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) return -1;
ret = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
if (ret == -1) return -1;
ret = listen(fd, 1);
if (ret == -1) return -1;
return 0;
}
int mock_activation_environment(void)
{
char *onestr = "1";
char *pidstr;
int ret;
ret = asprintf(&pidstr, "%u", (unsigned)getpid());
if (ret == -1) return -1;
setenv("LISTEN_PID", pidstr, 1);
setenv("LISTEN_FDS", onestr, 1);
free(pidstr);
return 0;
}
int wait_and_check_output(int outfd, int timeout)
{
struct {
const char *match;
bool matched;
} checks[] = {
{ "Initialization complete.", false },
{ "Terminating, after idling", false },
{ NULL, true }
};
time_t start = time(NULL);
time_t now = start;
useconds_t interval = 100 * 1000; /* 100 msec */
char outbuf[1024];
char *line;
FILE *out;
int ret;
/* make pipe non blocking */
ret = fcntl(outfd, F_SETFL, O_NONBLOCK);
if (ret) return -1;
out = fdopen(outfd, "r");
if (!out) return -1;
while (now < start + timeout) {
ret = usleep(interval);
if (ret) return -1;
line = fgets(outbuf, 1023, out);
if (line) {
for (int i = 0; checks[i].match != NULL; i++) {
if (strstr(line, checks[i].match)) {
checks[i].matched = true;
}
}
}
now = time(NULL);
}
fclose(out);
for (int i = 0; checks[i].match != NULL; i++) {
if (checks[i].matched == false) return -1;
}
return 0;
}
int child(int outpipe[])
{
int ret;
ret = mock_activation_environment();
if (ret) exit(EXIT_FAILURE);
close(outpipe[0]);
ret = dup2(outpipe[1], 2);
if (ret == -1) exit(EXIT_FAILURE);
execv("./gssproxy", srv_args);
exit(EXIT_FAILURE);
}
int main(int argc, const char *main_argv[])
{
pid_t proxy, w;
int outpipe[2];
int ret;
fprintf(stderr, "Test userproxy mode: ");
ret = mock_activation_sockets();
if (ret) {
ret = EXIT_FAILURE;
goto done;
}
ret = pipe(outpipe);
if (ret) {
ret = EXIT_FAILURE;
goto done;
}
proxy = fork();
if (proxy == -1) {
ret = EXIT_FAILURE;
goto done;
}
if (proxy == 0) {
child(outpipe);
}
close(outpipe[1]);
ret = wait_and_check_output(outpipe[0], 6);
if (ret) {
ret = EXIT_FAILURE;
goto done;
}
w = waitpid(-1, &ret, WNOHANG);
if (w != proxy || ret != 0) {
ret = EXIT_FAILURE;
goto done;
}
ret = 0;
done:
if (ret) {
fprintf(stderr, "FAIL\n");
fflush(stderr);
return ret;
}
fprintf(stderr, "SUCCESS\n");
fflush(stderr);
return 0;
}
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