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-rw-r--r--bin/ykfde.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/bin/ykfde.c b/bin/ykfde.c
index 37e82a3..cc69636 100644
--- a/bin/ykfde.c
+++ b/bin/ykfde.c
@@ -64,32 +64,38 @@ char * ask_secret(const char * text) {
char * factor = NULL;
size_t len;
ssize_t readlen;
+ bool onTerminal = true;
/* get terminal properties */
if (tcgetattr(STDIN_FILENO, &tp) < 0) {
- fprintf(stderr, "Failed reading terminal attributes. Not on terminal?\n");
- return NULL;
+ onTerminal = false;
+ tp_save = tp;
}
- tp_save = tp;
/* disable echo on terminal */
- tp.c_lflag &= ~ECHO;
- if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &tp) < 0) {
- fprintf(stderr, "Failed setting terminal attributes.\n");
- return NULL;
+ if (onTerminal) {
+ tp.c_lflag &= ~ECHO;
+ if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &tp) < 0) {
+ fprintf(stderr, "Failed setting terminal attributes.\n");
+ return NULL;
+ }
+
+ printf("Please give %s:", text);
}
- printf("Please give %s:", text);
readlen = getline(&factor, &len, stdin);
factor[readlen - 1] = '\0';
- putchar('\n');
- /* restore terminal */
- if (tcsetattr(STDIN_FILENO, TCSANOW, &tp_save) < 0) {
- fprintf(stderr, "Failed setting terminal attributes.\n");
- free(factor);
- return NULL;
+ if (onTerminal) {
+ putchar('\n');
+
+ /* restore terminal */
+ if (tcsetattr(STDIN_FILENO, TCSANOW, &tp_save) < 0) {
+ fprintf(stderr, "Failed setting terminal attributes.\n");
+ free(factor);
+ return NULL;
+ }
}
return factor;