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authorYang Tse <yangsita@gmail.com>2011-10-06 17:39:00 +0200
committerYang Tse <yangsita@gmail.com>2011-10-06 17:39:00 +0200
commitf7bfdbabf2d5398f4c266eabb0992a04af661f22 (patch)
tree694a1f91f1aeffaf7aea0f29a05179079af7d700 /src/tool_getpass.c
parent7afccf7a1ebb211905de6abd415fce416058a126 (diff)
downloadcurl-f7bfdbabf2d5398f4c266eabb0992a04af661f22.tar.gz
curl tool: reviewed code moved to tool_*.[ch] files
Diffstat (limited to 'src/tool_getpass.c')
-rw-r--r--src/tool_getpass.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/src/tool_getpass.c b/src/tool_getpass.c
new file mode 100644
index 000000000..b6aa5dd5e
--- /dev/null
+++ b/src/tool_getpass.c
@@ -0,0 +1,260 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#ifndef HAVE_GETPASS_R
+/* this file is only for systems without getpass_r() */
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_TERMIOS_H
+# include <termios.h>
+#elif defined(HAVE_TERMIO_H)
+# include <termio.h>
+#endif
+
+#ifdef __VMS
+# include descrip
+# include starlet
+# include iodef
+#endif
+
+#ifdef WIN32
+# include <conio.h>
+#endif
+
+#ifdef NETWARE
+# ifdef __NOVELL_LIBC__
+# include <screen.h>
+# else
+# include <nwconio.h>
+# endif
+#endif
+
+#define _MPRINTF_REPLACE
+#include <curl/mprintf.h>
+
+#include "tool_getpass.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+#ifdef __VMS
+/* VMS implementation */
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+ long sts;
+ short chan;
+
+ /* MSK, 23-JAN-2004, iosbdef.h wasn't in VAX V7.2 or CC 6.4 */
+ /* distribution so I created this. May revert back later to */
+ /* struct _iosb iosb; */
+ struct _iosb
+ {
+ short int iosb$w_status; /* status */
+ short int iosb$w_bcnt; /* byte count */
+ int unused; /* unused */
+ } iosb;
+
+ $DESCRIPTOR(ttdesc, "TT");
+
+ buffer[0] = '\0';
+ sts = sys$assign(&ttdesc, &chan, 0, 0);
+ if(sts & 1) {
+ sts = sys$qiow(0, chan,
+ IO$_READPROMPT | IO$M_NOECHO,
+ &iosb, 0, 0, buffer, buflen, 0, 0,
+ prompt, strlen(prompt));
+
+ if((sts & 1) && (iosb.iosb$w_status & 1))
+ buffer[iosb.iosb$w_bcnt] = '\0';
+
+ sts = sys$dassgn(chan);
+ }
+ return buffer; /* we always return success */
+}
+#define DONE
+#endif /* __VMS */
+
+#ifdef __SYMBIAN32__
+# define getch() getchar()
+#endif
+
+#if defined(WIN32) || defined(__SYMBIAN32__)
+
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+ size_t i;
+ fputs(prompt, stderr);
+
+ for(i = 0; i < buflen; i++) {
+ buffer[i] = (char)getch();
+ if(buffer[i] == '\r' || buffer[i] == '\n') {
+ buffer[i] = '\0';
+ break;
+ }
+ else
+ if(buffer[i] == '\b')
+ /* remove this letter and if this is not the first key, remove the
+ previous one as well */
+ i = i - (i >= 1) ? 2 : 1;
+ }
+#ifndef __SYMBIAN32__
+ /* since echo is disabled, print a newline */
+ fputs("\n", stderr);
+#endif
+ /* if user didn't hit ENTER, terminate buffer */
+ if(i == buflen)
+ buffer[buflen-1] = '\0';
+
+ return buffer; /* we always return success */
+}
+#define DONE
+#endif /* WIN32 || __SYMBIAN32__ */
+
+#ifdef NETWARE
+/* NetWare implementation */
+#ifdef __NOVELL_LIBC__
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+ return getpassword(prompt, buffer, buflen);
+}
+#else
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+ size_t i = 0;
+
+ printf("%s", prompt);
+ do {
+ buffer[i++] = getch();
+ if(buffer[i-1] == '\b') {
+ /* remove this letter and if this is not the first key,
+ remove the previous one as well */
+ if(i > 1) {
+ printf("\b \b");
+ i = i - 2;
+ }
+ else {
+ RingTheBell();
+ i = i - 1;
+ }
+ }
+ else if(buffer[i-1] != 13)
+ putchar('*');
+
+ } while((buffer[i-1] != 13) && (i < buflen));
+ buffer[i-1] = '\0';
+ printf("\r\n");
+ return buffer;
+}
+#endif /* __NOVELL_LIBC__ */
+#define DONE
+#endif /* NETWARE */
+
+#ifndef DONE /* not previously provided */
+
+#ifdef HAVE_TERMIOS_H
+# define struct_term struct termios
+#elif defined(HAVE_TERMIO_H)
+# define struct_term struct termio
+#else
+# undef struct_term
+#endif
+
+static bool ttyecho(bool enable, int fd)
+{
+#ifdef struct_term
+ static struct_term withecho;
+ static struct_term noecho;
+#endif
+ if(!enable) {
+ /* disable echo by extracting the current 'withecho' mode and remove the
+ ECHO bit and set back the struct */
+#ifdef HAVE_TERMIOS_H
+ tcgetattr(fd, &withecho);
+ noecho = withecho;
+ noecho.c_lflag &= ~ECHO;
+ tcsetattr(fd, TCSANOW, &noecho);
+#elif defined(HAVE_TERMIO_H)
+ ioctl(fd, TCGETA, &withecho);
+ noecho = withecho;
+ noecho.c_lflag &= ~ECHO;
+ ioctl(fd, TCSETA, &noecho);
+#else
+ /* neither HAVE_TERMIO_H nor HAVE_TERMIOS_H, we can't disable echo! */
+ (void)fd;
+ return FALSE; /* not disabled */
+#endif
+ return TRUE; /* disabled */
+ }
+ else {
+ /* re-enable echo, assumes we disabled it before (and set the structs we
+ now use to reset the terminal status) */
+#ifdef HAVE_TERMIOS_H
+ tcsetattr(fd, TCSAFLUSH, &withecho);
+#elif defined(HAVE_TERMIO_H)
+ ioctl(fd, TCSETA, &withecho);
+#else
+ return FALSE; /* not enabled */
+#endif
+ return TRUE; /* enabled */
+ }
+}
+
+char *getpass_r(const char *prompt, /* prompt to display */
+ char *password, /* buffer to store password in */
+ size_t buflen) /* size of buffer to store password in */
+{
+ ssize_t nread;
+ bool disabled;
+ int fd = open("/dev/tty", O_RDONLY);
+ if(-1 == fd)
+ fd = 1; /* use stdin if the tty couldn't be used */
+
+ disabled = ttyecho(FALSE, fd); /* disable terminal echo */
+
+ fputs(prompt, stderr);
+ nread = read(fd, password, buflen);
+ if(nread > 0)
+ password[--nread] = '\0'; /* zero terminate where enter is stored */
+ else
+ password[0] = '\0'; /* got nothing */
+
+ if(disabled) {
+ /* if echo actually was disabled, add a newline */
+ fputs("\n", stderr);
+ (void)ttyecho(TRUE, fd); /* enable echo */
+ }
+
+ if(1 != fd)
+ close(fd);
+
+ return password; /* return pointer to buffer */
+}
+
+#endif /* DONE */
+#endif /* HAVE_GETPASS_R */