diff options
Diffstat (limited to 'libmysql/get_password.c')
| -rw-r--r-- | libmysql/get_password.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/libmysql/get_password.c b/libmysql/get_password.c new file mode 100644 index 00000000000..d61c40a9559 --- /dev/null +++ b/libmysql/get_password.c @@ -0,0 +1,212 @@ +/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA */ + +/* +** Ask for a password from tty +** This is an own file to avoid conflicts with curses +*/ +#include <global.h> +#include <my_sys.h> +#include "mysql.h" +#include <m_string.h> +#include <m_ctype.h> +#include <dbug.h> + +#if defined(HAVE_BROKEN_GETPASS) && !defined(HAVE_GETPASSPHRASE) +#undef HAVE_GETPASS +#endif + +#ifdef HAVE_GETPASS +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif /* HAVE_PWD_H */ +#else /* ! HAVE_GETPASS */ +#ifndef __WIN__ +#include <sys/ioctl.h> +#ifdef HAVE_TERMIOS_H /* For tty-password */ +#include <termios.h> +#define TERMIO struct termios +#else +#ifdef HAVE_TERMIO_H /* For tty-password */ +#include <termio.h> +#define TERMIO struct termio +#else +#include <sgtty.h> +#define TERMIO struct sgttyb +#endif +#endif +#ifdef alpha_linux_port +#include <asm/ioctls.h> /* QQ; Fix this in configure */ +#include <asm/termiobits.h> +#endif +#else +#include <conio.h> +#endif /* __WIN__ */ +#endif /* HAVE_GETPASS */ + +#ifdef HAVE_GETPASSPHRASE /* For Solaris */ +#define getpass(A) getpassphrase(A) +#endif + +#ifdef __WIN__ +/* were just going to fake it here and get input from + the keyboard */ + +char *get_tty_password(char *opt_message) +{ + char to[80]; + char *pos=to,*end=to+sizeof(to)-1; + int i=0; + DBUG_ENTER("get_tty_password"); + fprintf(stdout,opt_message ? opt_message : "Enter password: "); + for (;;) + { + char tmp; + tmp=_getch(); + if (tmp == '\b' || (int) tmp == 127) + { + if (pos != to) + { + _cputs("\b \b"); + pos--; + continue; + } + } + if (tmp == '\n' || tmp == '\r' || tmp == 3) + break; + if (iscntrl(tmp) || pos == end) + continue; + _cputs("*"); + *(pos++) = tmp; + } + while (pos != to && isspace(pos[-1]) == ' ') + pos--; /* Allow dummy space at end */ + *pos=0; + _cputs("\n"); + DBUG_RETURN(my_strdup(to,MYF(MY_FAE))); +} + +#else + + +#ifndef HAVE_GETPASS +/* +** Can't use fgets, because readline will get confused +** length is max number of chars in to, not counting \0 +* to will not include the eol characters. +*/ + +static void get_password(char *to,uint length,int fd,bool echo) +{ + char *pos=to,*end=to+length; + + for (;;) + { + char tmp; + if (my_read(fd,&tmp,1,MYF(0)) != 1) + break; + if (tmp == '\b' || (int) tmp == 127) + { + if (pos != to) + { + if (echo) + { + fputs("\b \b",stdout); + fflush(stdout); + } + pos--; + continue; + } + } + if (tmp == '\n' || tmp == '\r' || tmp == 3) + break; + if (iscntrl(tmp) || pos == end) + continue; + if (echo) + { + fputc('*',stdout); + fflush(stdout); + } + *(pos++) = tmp; + } + while (pos != to && isspace(pos[-1]) == ' ') + pos--; /* Allow dummy space at end */ + *pos=0; + return; +} +#endif /* ! HAVE_GETPASS */ + + +char *get_tty_password(char *opt_message) +{ +#ifdef HAVE_GETPASS + char *passbuff; +#else /* ! HAVE_GETPASS */ + TERMIO org,tmp; +#endif /* HAVE_GETPASS */ + char buff[80]; + + DBUG_ENTER("get_tty_password"); + +#ifdef HAVE_GETPASS + passbuff = getpass(opt_message ? opt_message : "Enter password: "); + + /* copy the password to buff and clear original (static) buffer */ + strnmov(buff, passbuff, sizeof(buff) - 1); +#ifdef _PASSWORD_LEN + memset(passbuff, 0, _PASSWORD_LEN); +#endif +#else + if (isatty(fileno(stdout))) + { + fputs(opt_message ? opt_message : "Enter password: ",stdout); + fflush(stdout); + } +#if defined(HAVE_TERMIOS_H) + tcgetattr(fileno(stdin), &org); + tmp = org; + tmp.c_lflag &= ~(ECHO | ISIG | ICANON); + tmp.c_cc[VMIN] = 1; + tmp.c_cc[VTIME] = 0; + tcsetattr(fileno(stdin), TCSADRAIN, &tmp); + get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stdout))); + tcsetattr(fileno(stdin), TCSADRAIN, &org); +#elif defined(HAVE_TERMIO_H) + ioctl(fileno(stdin), (int) TCGETA, &org); + tmp=org; + tmp.c_lflag &= ~(ECHO | ISIG | ICANON); + tmp.c_cc[VMIN] = 1; + tmp.c_cc[VTIME]= 0; + ioctl(fileno(stdin),(int) TCSETA, &tmp); + get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout))); + ioctl(fileno(stdin),(int) TCSETA, &org); +#else + gtty(fileno(stdin), &org); + tmp=org; + tmp.sg_flags &= ~ECHO; + tmp.sg_flags |= RAW; + stty(fileno(stdin), &tmp); + get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout))); + stty(fileno(stdin), &org); +#endif + if (isatty(fileno(stdout))) + fputc('\n',stdout); +#endif /* HAVE_GETPASS */ + + DBUG_RETURN(my_strdup(buff,MYF(MY_FAE))); +} +#endif /*__WIN__*/ |