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-rw-r--r--security/nss/cmd/lib/secpwd.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/security/nss/cmd/lib/secpwd.c b/security/nss/cmd/lib/secpwd.c
new file mode 100644
index 0000000000..472bc2615b
--- /dev/null
+++ b/security/nss/cmd/lib/secpwd.c
@@ -0,0 +1,163 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "secutil.h"
+
+/*
+ * NOTE: The contents of this file are NOT used by the client.
+ * (They are part of the security library as a whole, but they are
+ * NOT USED BY THE CLIENT.) Do not change things on behalf of the
+ * client (like localizing strings), or add things that are only
+ * for the client (put them elsewhere).
+ */
+
+#ifdef XP_UNIX
+#include <termios.h>
+#include <unistd.h> /* for isatty() */
+#endif
+
+#if defined(_WINDOWS)
+#include <conio.h>
+#include <io.h>
+#define QUIET_FGETS quiet_fgets
+static char *quiet_fgets(char *buf, int length, FILE *input);
+#else
+#define QUIET_FGETS fgets
+#endif
+
+#if !defined(_WINDOWS)
+static void
+echoOff(int fd)
+{
+ if (isatty(fd)) {
+ struct termios tio;
+ tcgetattr(fd, &tio);
+ tio.c_lflag &= ~ECHO;
+ tcsetattr(fd, TCSAFLUSH, &tio);
+ }
+}
+
+static void
+echoOn(int fd)
+{
+ if (isatty(fd)) {
+ struct termios tio;
+ tcgetattr(fd, &tio);
+ tio.c_lflag |= ECHO;
+ tcsetattr(fd, TCSAFLUSH, &tio);
+ }
+}
+#endif
+
+char *
+SEC_GetPassword(FILE *input, FILE *output, char *prompt,
+ PRBool (*ok)(char *))
+{
+#if defined(_WINDOWS)
+ int isTTY = (input == stdin);
+#define echoOn(x)
+#define echoOff(x)
+#else
+ int infd = fileno(input);
+ int isTTY = isatty(infd);
+#endif
+ char phrase[500] = { '\0' }; /* ensure EOF doesn't return junk */
+
+ for (;;) {
+ /* Prompt for password */
+ if (isTTY) {
+ fprintf(output, "%s", prompt);
+ fflush(output);
+ echoOff(infd);
+ }
+
+ if (QUIET_FGETS(phrase, sizeof(phrase), input) == NULL) {
+ return NULL;
+ }
+
+ if (isTTY) {
+ fprintf(output, "\n");
+ echoOn(infd);
+ }
+
+ /* stomp on newline */
+ phrase[PORT_Strlen(phrase) - 1] = 0;
+
+ /* Validate password */
+ if (!(*ok)(phrase)) {
+ /* Not weird enough */
+ if (!isTTY)
+ return NULL;
+ fprintf(output, "Password must be at least 8 characters long with one or more\n");
+ fprintf(output, "non-alphabetic characters\n");
+ continue;
+ }
+ return (char *)PORT_Strdup(phrase);
+ }
+}
+
+PRBool
+SEC_CheckPassword(char *cp)
+{
+ int len;
+ char *end;
+
+ len = PORT_Strlen(cp);
+ if (len < 8) {
+ return PR_FALSE;
+ }
+ end = cp + len;
+ while (cp < end) {
+ unsigned char ch = *cp++;
+ if (!((ch >= 'A') && (ch <= 'Z')) &&
+ !((ch >= 'a') && (ch <= 'z'))) {
+ /* pass phrase has at least one non alphabetic in it */
+ return PR_TRUE;
+ }
+ }
+ return PR_FALSE;
+}
+
+PRBool
+SEC_BlindCheckPassword(char *cp)
+{
+ if (cp != NULL) {
+ return PR_TRUE;
+ }
+ return PR_FALSE;
+}
+
+/* Get a password from the input terminal, without echoing */
+
+#if defined(_WINDOWS)
+static char *
+quiet_fgets(char *buf, int length, FILE *input)
+{
+ int c;
+ char *end = buf;
+
+ /* fflush (input); */
+ memset(buf, 0, length);
+
+ if (!isatty(fileno(input))) {
+ return fgets(buf, length, input);
+ }
+
+ while (1) {
+ c = getch(); /* getch gets a character from the console */
+
+ if (c == '\b') {
+ if (end > buf)
+ end--;
+ }
+
+ else if (--length > 0)
+ *end++ = c;
+
+ if (!c || c == '\n' || c == '\r')
+ break;
+ }
+
+ return buf;
+}
+#endif