import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

security/nss/cmd/lib/secpwd.c

@@ -0,0 +1,168 @@
+/* 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>
+#endif
+
+#if defined(XP_UNIX) || defined(XP_BEOS)
+#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
+
+static void
+echoOff(int fd)
+{
+#if defined(XP_UNIX)
+    if (isatty(fd)) {
+        struct termios tio;
+        tcgetattr(fd, &tio);
+        tio.c_lflag &= ~ECHO;
+        tcsetattr(fd, TCSAFLUSH, &tio);
+    }
+#endif
+}
+
+static void
+echoOn(int fd)
+{
+#if defined(XP_UNIX)
+    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[200] = { '\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