Files
lidm/src/main.c

91 lines
2.3 KiB
C

#include <pwd.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include "chvt.h"
#include "config.h"
#include "log.h"
#include "macros.h"
#include "sessions.h"
#include "ui.h"
#include "users.h"
#include "util.h"
#include "version.h"
#define DATESTR_MAXBUFSIZE 0x20
int main(int argc, char* argv[]) {
// Logger
char* log_output = getenv("LIDM_LOG");
if (log_output) {
FILE* log_fd = fopen(log_output, "w");
if (!log_fd) {
perror("fopen");
(void)fputs("failed to open logfile in write mode", stderr);
return -1;
}
log_init(log_fd);
}
if (argc == 2) {
if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
// NOLINTBEGIN(clang-analyzer-deadcode.DeadStores)
char* version = "?";
char* revision = "?";
char* builddate = "?";
char* compilever = "?";
// NOLINTEND(clang-analyzer-deadcode.DeadStores)
#ifdef LIDM_VERSION
version = LIDM_VERSION;
#endif
#ifdef LIDM_GIT_REV
revision = LIDM_GIT_REV;
#endif
#ifdef LIDM_BUILD_TS
time_t ts = LIDM_BUILD_TS;
char date_buf[DATESTR_MAXBUFSIZE];
builddate = date_buf;
if (strftime(date_buf, 0xff, "%Y-%m-%dT%H:%M:%SZ", localtime(&ts)) > 0)
builddate = date_buf;
#endif
#ifdef COMPILER_VERSION
compilever = COMPILER_VERSION;
#endif
printf("lidm version %s (git %s, build date %s, compiler %s)\n", version,
revision, builddate, compilever);
return 0;
}
if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
printf(
"Usage: lidm [vt number]\n"
"Options:\n"
" -h, --help Display help menu\n"
" -v, --version Display version information\n");
return 0;
}
// Chvt
chvt_str(argv[1]);
}
// Copy
struct config config = DEFAULT_CONFIG;
char* conf_override = getenv("LIDM_CONF");
char* conf_path = conf_override ? conf_override : LIDM_CONF_PATH;
if (parse_config(&config, conf_path) != 0) {
(void)fputs("error parsing config\n", stderr);
return 1;
}
setup(&config);
struct Vector users = get_human_users();
struct Vector sessions = get_avaliable_sessions();
int ret = load(&users, &sessions);
if (ret == 0) execl(argv[0], argv[0], NULL);
}