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/* ============================================================================
*
* Redistribution and use are freely permitted provided that:
*
* 1) This header remain in tact.
* 2) The prototypes for getpass and getpass_r are not changed from:
* char *getpass(const char *prompt)
* char *getpass_r(const char *prompt, char* buffer, int buflen)
* 3) This source code is not used outside of this(getpass.c) file.
* 4) Any changes to this(getpass.c) source code are made publicly available.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* $Id$
*
* The spirit of this license is to allow use of this source code in any
* project be it open or closed but still encourage the use of the open,
* library based equivilents.
*
* Author(s):
* Angus Mackay <amackay@gus.ml.org>
* Daniel Stenberg <daniel@haxx.se>
*/
#include "setup.h" /* setup.h is required for read() prototype */
#ifndef HAVE_GETPASS_R
#include "getpass.h"
#ifndef WIN32
#ifdef VMS
#include <stdio.h>
#include <string.h>
#include descrip
#include starlet
#include iodef
/* #include iosbdef */
char *getpass_r(const char *prompt, char *buffer, size_t buflen)
{
long sts;
short chan;
struct _iosb iosb;
/* 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 */
}
#else /* VMS */
#ifdef HAVE_TERMIOS_H
# if !defined(HAVE_TCGETATTR) && !defined(HAVE_TCSETATTR)
# undef HAVE_TERMIOS_H
# endif
#endif
#ifndef RETSIGTYPE
# define RETSIGTYPE void
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <signal.h>
#ifdef HAVE_TERMIOS_H
# include <termios.h>
#else
# ifdef HAVE_TERMIO_H
# include <termio.h>
# else
# endif
#endif
/* The last #include file should be: */
#if defined(CURLDEBUG) && defined(CURLTOOLDEBUG)
#include "memdebug.h"
#endif
char *getpass_r(const char *prompt, char *buffer, size_t buflen)
{
FILE *infp;
char infp_fclose = 0;
FILE *outfp;
RETSIGTYPE (*sigint)(int);
#ifdef SIGTSTP
RETSIGTYPE (*sigtstp)(int);
#endif
size_t bytes_read;
int infd;
int outfd;
#ifdef HAVE_TERMIOS_H
struct termios orig;
struct termios noecho;
#else
# ifdef HAVE_TERMIO_H
struct termio orig;
struct termio noecho;
# else
# endif
#endif
sigint = signal(SIGINT, SIG_IGN);
#ifdef SIGTSTP
sigtstp = signal(SIGTSTP, SIG_IGN);
#endif
infp=fopen("/dev/tty", "r");
if( NULL == infp )
infp = stdin;
else
infp_fclose = 1;
outfp = stderr;
infd = fileno(infp);
outfd = fileno(outfp);
/* dissable echo */
#ifdef HAVE_TERMIOS_H
tcgetattr(outfd, &orig);
noecho = orig;
noecho.c_lflag &= ~ECHO;
tcsetattr(outfd, TCSANOW, &noecho);
#else
# ifdef HAVE_TERMIO_H
ioctl(outfd, TCGETA, &orig);
noecho = orig;
noecho.c_lflag &= ~ECHO;
ioctl(outfd, TCSETA, &noecho);
# else
# endif
#endif
fputs(prompt, outfp);
fflush(outfp);
bytes_read=read(infd, buffer, buflen);
buffer[bytes_read > 0 ? (bytes_read -1) : 0] = '\0';
/* print a new line if needed */
#ifdef HAVE_TERMIOS_H
fputs("\n", outfp);
#else
# ifdef HAVE_TERMIO_H
fputs("\n", outfp);
# else
# endif
#endif
/*
* reset term charectaristics, use TCSAFLUSH incase the
* user types more than buflen
*/
#ifdef HAVE_TERMIOS_H
tcsetattr(outfd, TCSAFLUSH, &orig);
#else
# ifdef HAVE_TERMIO_H
ioctl(outfd, TCSETA, &orig);
# else
# endif
#endif
signal(SIGINT, sigint);
#ifdef SIGTSTP
signal(SIGTSTP, sigtstp);
#endif
if(infp_fclose)
fclose(infp);
return buffer; /* we always return success */
}
#endif /* VMS */
#else /* WIN32 */
#include <stdio.h>
#include <conio.h>
char *getpass_r(const char *prompt, char *buffer, size_t buflen)
{
size_t i;
printf("%s", prompt);
for(i=0; i<buflen; i++) {
buffer[i] = getch();
if ( buffer[i] == '\r' ) {
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);
}
/* if user didn't hit ENTER, terminate buffer */
if (i==buflen)
buffer[buflen-1]=0;
return buffer; /* we always return success */
}
#endif
#endif /* ifndef HAVE_GETPASS_R */
#if 0
/* for consistensy, here's the old-style function: */
char *getpass(const char *prompt)
{
static char buf[256];
return getpass_r(prompt, buf, sizeof(buf));
}
#endif
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