mirror of https://github.com/moparisthebest/curl
186 lines
4.1 KiB
C
186 lines
4.1 KiB
C
/* ============================================================================
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* Copyright (C) 1998 Angus Mackay. All rights reserved;
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*
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* Redistribution and use are freely permitted provided that:
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*
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* 1) This header remain in tact.
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* 2) The prototype for getpass is not changed from:
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* char *getpass(const char *prompt)
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* 3) This source code is not used outside of this(getpass.c) file.
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* 3) Any changes to this(getpass.c) source code are made publicly available.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* ============================================================================
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*
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* $Id$
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*
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* The spirit of this license is to allow use of this source code in any
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* project be it open or closed but still encourage the use of the open,
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* library based equivilents.
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*
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* Author(s):
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* Angus Mackay <amackay@gus.ml.org>
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*
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* Contributor(s):
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* Daniel Stenberg <Daniel.Stenberg@haxx.nu>
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*/
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#ifndef WIN32
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_TERMIOS_H
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# if !defined(HAVE_TCGETATTR) && !defined(HAVE_TCSETATTR)
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# undef HAVE_TERMIOS_H
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# endif
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#endif
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#define INPUT_BUFFER 128
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#ifndef RETSIGTYPE
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# define RETSIGTYPE void
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#include <signal.h>
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#ifdef HAVE_TERMIOS_H
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# include <termios.h>
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#else
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# ifdef HAVE_TERMIO_H
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# include <termio.h>
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# else
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# endif
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#endif
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/* no perror? make an fprintf! */
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#ifndef HAVE_PERROR
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# define perror(x) fprintf(stderr, "Error in: %s\n", x)
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#endif
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char *getpass(const char *prompt)
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{
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FILE *infp;
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FILE *outfp;
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static char buf[INPUT_BUFFER];
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RETSIGTYPE (*sigint)();
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RETSIGTYPE (*sigtstp)();
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size_t bytes_read;
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int infd;
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int outfd;
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#ifdef HAVE_TERMIOS_H
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struct termios orig;
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struct termios noecho;
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#else
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# ifdef HAVE_TERMIO_H
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struct termio orig;
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struct termio noecho;
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# else
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# endif
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#endif
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sigint = signal(SIGINT, SIG_IGN);
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sigtstp = signal(SIGTSTP, SIG_IGN);
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if( (infp=fopen("/dev/tty", "r")) == NULL )
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{
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infp = stdin;
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}
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if( (outfp=fopen("/dev/tty", "w")) == NULL )
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{
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outfp = stderr;
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}
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infd = fileno(infp);
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outfd = fileno(outfp);
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/* dissable echo */
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#ifdef HAVE_TERMIOS_H
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if(tcgetattr(outfd, &orig) != 0)
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{
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perror("tcgetattr");
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}
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noecho = orig;
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noecho.c_lflag &= ~ECHO;
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if(tcsetattr(outfd, TCSANOW, &noecho) != 0)
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{
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perror("tcgetattr");
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}
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#else
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# ifdef HAVE_TERMIO_H
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if(ioctl(outfd, TCGETA, &orig) != 0)
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{
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perror("ioctl");
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}
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noecho = orig;
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noecho.c_lflag &= ~ECHO;
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if(ioctl(outfd, TCSETA, &noecho) != 0)
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{
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perror("ioctl");
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}
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# else
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# endif
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#endif
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fputs(prompt, outfp);
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fflush(outfp);
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bytes_read=read(infd, buf, INPUT_BUFFER);
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buf[bytes_read > 0 ? (bytes_read -1) : 0] = '\0';
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/* print a new line if needed */
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#ifdef HAVE_TERMIOS_H
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fputs("\n", outfp);
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#else
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# ifdef HAVE_TERMIO_H
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fputs("\n", outfp);
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# else
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# endif
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#endif
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/*
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* reset term charectaristics, use TCSAFLUSH incase the
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* user types more than INPUT_BUFFER
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*/
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#ifdef HAVE_TERMIOS_H
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if(tcsetattr(outfd, TCSAFLUSH, &orig) != 0)
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{
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perror("tcgetattr");
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}
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#else
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# ifdef HAVE_TERMIO_H
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if(ioctl(outfd, TCSETA, &orig) != 0)
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{
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perror("ioctl");
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}
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# else
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# endif
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#endif
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signal(SIGINT, sigint);
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signal(SIGTSTP, sigtstp);
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return(buf);
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}
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#else
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#include <stdio.h>
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char *getpass(const char *prompt)
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{
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static char password[80];
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printf(prompt);
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gets(password);
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return password;
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}
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#endif /* don't do anything if WIN32 */
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