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reply-password: define main through macro

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-07-05 11:36:51 +02:00
parent e693a93235
commit c7dd209526
1 changed files with 21 additions and 35 deletions
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56
src/reply-password/reply-password.c
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@ -7,6 +7,7 @@
#include <sys/un.h>
#include "alloc-util.h"
#include "main-func.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
@ -34,7 +35,7 @@ static int send_on_socket(int fd, const char *socket_name, const void *packet, s
return 0;
}
int main(int argc, char *argv[]) {
static int run(int argc, char *argv[]) {
_cleanup_(erase_and_freep) char *packet = NULL;
_cleanup_close_ int fd = -1;
size_t length = 0;
@ -42,56 +43,41 @@ int main(int argc, char *argv[]) {
log_setup_service();
if (argc != 3) {
log_error("Wrong number of arguments.");
return EXIT_FAILURE;
}
if (argc != 3)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
if (streq(argv[1], "1")) {
_cleanup_string_free_erase_ char *line = NULL;
r = read_line(stdin, LONG_LINE_MAX, &line);
if (r < 0) {
log_error_errno(r, "Failed to read password: %m");
goto finish;
}
if (r == 0) {
log_error("Got EOF while reading password.");
r = -EIO;
goto finish;
}
if (r < 0)
return log_error_errno(r, "Failed to read password: %m");
if (r == 0)
return log_error_errno(SYNTHETIC_ERRNO(EIO),
"Got EOF while reading password.");
packet = strjoin("+", line);
if (!packet) {
r = log_oom();
goto finish;
}
if (!packet)
return log_oom();
length = 1 + strlen(line) + 1;
} else if (streq(argv[1], "0")) {
packet = strdup("-");
if (!packet) {
r = log_oom();
goto finish;
}
if (!packet)
return log_oom();
length = 1;
} else {
log_error("Invalid first argument %s", argv[1]);
r = -EINVAL;
goto finish;
}
} else
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Invalid first argument %s", argv[1]);
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (fd < 0) {
r = log_error_errno(errno, "socket() failed: %m");
goto finish;
}
if (fd < 0)
return log_error_errno(errno, "socket() failed: %m");
r = send_on_socket(fd, argv[2], packet, length);
finish:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
return send_on_socket(fd, argv[2], packet, length);
}
DEFINE_MAIN_FUNCTION(run);