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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <semaphore.h>
#include <fcntl.h>
#include "ui_ani.h"
#include "ui_input.h"
#include "ui_statusbar.h"
#include "ui.h"
#define AUTHOR "Toni Uhlig"
#define AUTHOR_EMAIL "matzeton@googlemail.com"
#define PKGNAME "naskpass"
#define PKGDESC "A NCurses replacement for cryptsetup's askpass."
#ifdef _VERSION
#define VERSION _VERSION
#else
#define VERSION "unknown"
#endif
#define SHTDWN_CMD "echo 'o' >/proc/sysrq-trigger"
static void
usage(char *arg0)
{
fprintf(stderr, "%s (%s)\n %s\n", PKGNAME, VERSION, PKGDESC);
fprintf(stderr, " Written by %s (%s).\n", AUTHOR, AUTHOR_EMAIL);
fprintf(stderr, " License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n\n");
fprintf(stderr, " Command: %s: [passfifo]\n", arg0);
}
static bool
check_fifo(char *fifo_path)
{
struct stat st;
if (mkfifo(fifo_path, S_IRUSR | S_IWUSR) == 0) {
return (true);
} else {
if (errno == EEXIST) {
if (stat(fifo_path, &st) == 0) {
if (S_ISFIFO(st.st_mode) == 1) {
return (true);
} else {
fprintf(stderr, "stat: %s is not a FIFO\n", fifo_path);
return (false);
}
}
}
}
perror("check_fifo");
return (false);
}
int main(int argc, char **argv)
{
pid_t child;
int status, ffd;
if (argc != 2) {
usage(argv[0]);
exit(EXIT_FAILURE);
}
if (check_fifo(argv[1]) == false) {
exit(EXIT_FAILURE);
}
if ((ffd = open(argv[1], O_NONBLOCK)) < 0) {
perror("open");
exit(EXIT_FAILURE);
}
if ((child = vfork()) == 0) {
if (setsid() == (pid_t)-1) {
perror("setsid");
exit (EXIT_FAILURE);
}
do_ui();
} if (child > 0) {
wait(&status);
}else {
return (EXIT_FAILURE);
}
return (EXIT_SUCCESS);
}
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