- if (isatty(STDIN_FILENO))
- f = stdin;
- else
- f = fopen(_PATH_TTY, "rw");
- if (f == NULL)
- return 0;
- fflush(stdout);
- fprintf(stderr, "%s", prompt);
- while (1) {
- if (fgets(buf, sizeof(buf), f) == NULL) {
- fprintf(stderr, "\n");
- strlcpy(buf, "no", sizeof buf);
- }
- /* Remove newline from response. */
- if (strchr(buf, '\n'))
- *strchr(buf, '\n') = 0;
- if (strcmp(buf, "yes") == 0)
- retval = 1;
- else if (strcmp(buf, "no") == 0)
- retval = 0;
- else
- fprintf(stderr, "Please type 'yes' or 'no': ");
-
- if (retval != -1) {
- if (f != stdin)
- fclose(f);
- return retval;
- }
+ for (msg = prompt;;msg = again) {
+ p = read_passphrase(msg, RP_ECHO);
+ if (p == NULL ||
+ (p[0] == '\0') || (p[0] == '\n') ||
+ strncasecmp(p, "no", 2) == 0)
+ ret = 0;
+ if (strncasecmp(p, "yes", 3) == 0)
+ ret = 1;
+ if (p)
+ xfree(p);
+ if (ret != -1)
+ return ret;