| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2005, 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. |
| * |
| * $Id$ |
| ***************************************************************************/ |
| |
| /* This file is a reimplementation of the previous one, due to license |
| problems. */ |
| |
| #include "setup.h" |
| |
| #ifndef HAVE_GETPASS_R |
| /* this file is only for systems without getpass_r() */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| #include "getpass.h" |
| |
| #ifdef HAVE_FCNTL_H |
| #include <fcntl.h> |
| #endif |
| #ifdef HAVE_TERMIOS_H |
| #include <termios.h> |
| #else |
| #ifdef HAVE_TERMIO_H |
| #include <termio.h> |
| #endif |
| #endif |
| |
| /* The last #include file should be: */ |
| #if defined(CURLDEBUG) && defined(CURLTOOLDEBUG) |
| #include "memdebug.h" |
| #endif |
| |
| #ifdef VMS |
| /* VMS implementation */ |
| #include descrip |
| #include starlet |
| #include iodef |
| /* #include iosbdef */ |
| 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 WIN32 |
| /* Windows implementation */ |
| #include <conio.h> |
| 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] = 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); |
| } |
| /* since echo is disabled, print a newline */ |
| fputs("\n", stderr); |
| /* 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 */ |
| |
| #ifdef NETWARE |
| /* NetWare implementation */ |
| #ifdef __NOVELL_LIBC__ |
| #include <screen.h> |
| char *getpass_r(const char *prompt, char *buffer, size_t buflen) |
| { |
| return getpassword(prompt, buffer, buflen); |
| } |
| #else |
| #include <nwconio.h> |
| 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 |
| #else |
| #ifdef HAVE_TERMIO_H |
| #define struct_term struct termio |
| #else |
| #undef struct_term |
| #endif |
| #endif |
| |
| static bool ttyecho(bool enable, int fd) |
| { |
| #ifdef struct_term |
| static struct_term withecho; |
| static struct_term noecho; |
| #endif |
| if(!enable) { |
| /* dissable 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); |
| #else /* HAVE_TERMIOS_H */ |
| #ifdef HAVE_TERMIO_H |
| ioctl(fd, TCGETA, &withecho); |
| noecho = withecho; |
| noecho.c_lflag &= ~ECHO; |
| ioctl(fd, TCSETA, &noecho); |
| #else /* HAVE_TERMIO_H */ |
| /* neither HAVE_TERMIO_H nor HAVE_TERMIOS_H, we can't disable echo! */ |
| (void)fd; /* prevent compiler warning on unused variable */ |
| return FALSE; /* not disabled */ |
| #endif |
| #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); |
| #else /* HAVE_TERMIOS_H */ |
| #ifdef HAVE_TERMIO_H |
| ioctl(fd, TCSETA, &withecho); |
| #else |
| /* neither HAVE_TERMIO_H nor HAVE_TERMIOS_H */ |
| return FALSE; /* not enabled */ |
| #endif |
| #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 */ |