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Diffstat (limited to 'src/getpass.c')
-rw-r--r--src/getpass.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/getpass.c b/src/getpass.c
new file mode 100644
index 0000000000..6ce6dde4e4
--- /dev/null
+++ b/src/getpass.c
@@ -0,0 +1,52 @@
+#include <config.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifndef _WIN32
+# include <termios.h>
+# include <unistd.h>
+#endif
+
+#define OUT_STREAM stdout
+
+const char *read_pass(char *msg)
+{
+#ifndef _WIN32
+ struct termios old, new;
+#endif
+ static char input[128];
+ char *p;
+
+ fputs(msg, stderr);
+
+#ifndef _WIN32
+ /* Turn echoing off and fail if we can't. */
+ if (tcgetattr(fileno(OUT_STREAM), &old) != 0) {
+ perror("tcgetattr");
+ exit(1);
+ }
+
+ new = old;
+ new.c_lflag &= ~ECHO;
+ if (tcsetattr(fileno(OUT_STREAM), TCSAFLUSH, &new) != 0) {
+ perror("tcsetattr");
+ exit(1);
+ }
+#endif
+
+ /* Read the password. */
+ p = fgets(input, sizeof(input), stdin);
+
+#ifndef _WIN32
+ /* Restore terminal. */
+ (void) tcsetattr(fileno(OUT_STREAM), TCSAFLUSH, &old);
+#endif
+
+ if (p == NULL || strlen(p) == 0 || p[0] == '\n')
+ return NULL;
+
+ /* overwrite the newline */
+ input[strlen(p) - 1] = 0;
+
+ return p;
+}