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Diffstat (limited to 'src/linux/getpass.c')
-rw-r--r--src/linux/getpass.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/linux/getpass.c b/src/linux/getpass.c
new file mode 100644
index 00000000..d439a2a5
--- /dev/null
+++ b/src/linux/getpass.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+char *getpass(const char *prompt)
+{
+ int fd;
+ struct termios s, t;
+ ssize_t l;
+ static char password[128];
+
+ if ((fd = open("/dev/tty", O_RDONLY|O_NOCTTY)) < 0) fd = 0;
+
+ tcgetattr(fd, &t);
+ s = t;
+ t.c_lflag &= ~(ECHO|ISIG);
+ t.c_lflag |= ICANON;
+ t.c_iflag &= ~(INLCR|IGNCR);
+ t.c_iflag |= ICRNL;
+ tcsetattr(fd, TCSAFLUSH, &t);
+ tcdrain(fd);
+
+ fputs(prompt, stderr);
+ fflush(stderr);
+
+ l = read(fd, password, sizeof password);
+ if (l >= 0) {
+ if (l > 0 && password[l-1] == '\n') l--;
+ password[l] = 0;
+ }
+
+ tcsetattr(fd, TCSAFLUSH, &s);
+
+ if (fd > 2) close(fd);
+
+ return password;
+}