static void
display_password (ply_boot_splash_plugin_t *plugin,
const char *prompt,
int bullets)
{
pause_views (plugin);
if (plugin->state == PLY_BOOT_SPLASH_DISPLAY_NORMAL)
stop_animation (plugin, NULL);
plugin->state = PLY_BOOT_SPLASH_DISPLAY_PASSWORD_ENTRY;
show_password_prompt (plugin, prompt, bullets);
redraw_views (plugin);
unpause_views (plugin);
}
int main(int argc, char** argv) {
if (DEBUG)
printf("starting cryptsetup-gui\n");
arg0 = *argv;
argv++;
argc--;
if (argc == 0) {
usage();
exit(EXIT_SUCCESS);
}
if (strcmp(*argv, "-m") == 0) {
do_mount = true;
argv++;
argc--;
if (DEBUG)
printf("mount after unlocking\n");
}
if (argc != 1) {
usage();
exit(EXIT_SUCCESS);
}
char* cryptpoint = *argv;
char* ct = cryptpoint;
if (DEBUG)
printf("verifying cryptpoint\n");
while (*ct != 0) {
if (*ct < 'a' || *ct > 'z') {
fprintf(stderr, "Non a-z cryptpoint given\n");
exit(EXIT_FAILURE);
}
ct++;
}
if (DEBUG)
printf("cryptpoint verified\n");
size_t mps = strlen(mountpoint);
size_t cps = strlen(cryptpoint);
char* tmp = malloc(sizeof(char) * (mps + cps));
strncpy(tmp, mountpoint, mps);
strncpy(tmp + mps, cryptpoint, cps);
mountpoint = tmp;
if (DEBUG)
printf("mountpoint resolved to '%s'\n", mountpoint);
if (access(mountpoint, F_OK) == 0) {
if (DEBUG)
printf("/dev/mapper listing already exists\n");
if (DEBUG && !do_mount)
printf("not told to mount automatically (-m), exiting...\n");
// Mountpoint already exists...
if (do_mount && !mount(mountpoint)) {
fprintf(stderr, "Failed to mount device %s\n", cryptpoint);
exit(EXIT_FAILURE);
}
if (DEBUG && do_mount)
printf("mountpoint successfully mounted\n");
exit(EXIT_SUCCESS);
}
if (DEBUG)
printf("parsing crypttab\n");
FILE *f = fopen("/etc/crypttab", "re");
if (!f) {
perror("Failed to open crypttab for reading");
exit(EXIT_FAILURE);
}
if (DEBUG)
printf("crypttab opened\n");
char *l, *p = NULL;
char line[1024];
int n = 0;
for (;;) {
int k;
if (!fgets(line, sizeof(line), f))
break;
n++;
l = strstrip(line);
if (*l == '#' || *l == 0)
continue;
k = sscanf(l, "%ms %ms %ms %ms", &name, &device, &p, &options);
free(p);
p = NULL;
if (k < 2 || k > 4) {
fprintf(stderr, "Failed to parse /etc/crypttab:%u, ignoring\n", n);
goto next;
}
if (strcmp(name, cryptpoint) == 0) {
// We found our cryptpoint
if (DEBUG)
printf("crypttab entry found for cryptpoint '%s'\n", device);
break;
}
next:
free(name);
free(device);
free(options);
name = NULL;
device = NULL;
options = NULL;
}
fclose(f);
if (DEBUG)
printf("crypttab parsing ended\n");
if (name == NULL || device == NULL) {
fprintf(stderr, "Entry for %s not found in crypttab\n", cryptpoint);
}
show_password_prompt(arg0);
return 0;
}