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MySQL 5.1: mysql/src/5.1-dbg/client/get_password.c File Reference

mysql/src/5.1-dbg/client/get_password.c File Reference

#include <my_global.h>
#include <my_sys.h>
#include "mysql.h"
#include <m_string.h>
#include <m_ctype.h>
#include <sys/ioctl.h>
#include <sgtty.h>

Include dependency graph for get_password.c:

Go to the source code of this file.


Defines

#define TERMIO   struct sgttyb

Functions

static void get_password (char *to, uint length, int fd, bool echo)
char * get_tty_password (const char *opt_message)

Define Documentation

#define TERMIO   struct sgttyb

Definition at line 47 of file get_password.c.

Referenced by get_tty_password().

Function Documentation

static void get_password ( char *  to,
uint  length,
int  fd,
bool  echo 
) [static]

Definition at line 111 of file get_password.c.

References my_read, MYF, and pos().

Referenced by Edit_user_cmd::execute(), Add_user_cmd::execute(), Print_password_line_cmd::execute(), and get_tty_password().

00112 {
00113   char *pos=to,*end=to+length;
00114 
00115   for (;;)
00116   {
00117     char tmp;
00118     if (my_read(fd,&tmp,1,MYF(0)) != 1)
00119       break;
00120     if (tmp == '\b' || (int) tmp == 127)
00121     {
00122       if (pos != to)
00123       {
00124         if (echo)
00125         {
00126           fputs("\b \b",stderr);
00127           fflush(stderr);
00128         }
00129         pos--;
00130         continue;
00131       }
00132     }
00133     if (tmp == '\n' || tmp == '\r' || tmp == 3)
00134       break;
00135     if (iscntrl(tmp) || pos == end)
00136       continue;
00137     if (echo)
00138     {
00139       fputc('*',stderr);
00140       fflush(stderr);
00141     }
00142     *(pos++) = tmp;
00143   }
00144   while (pos != to && isspace(pos[-1]) == ' ')
00145     pos--;                                      /* Allow dummy space at end */
00146   *pos=0;
00147   return;
00148 }

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char* get_tty_password ( const char *  opt_message  ) 

Definition at line 153 of file get_password.c.

Referenced by get_one_option(), get_options(), get_password(), main(), and parse_args().

00154 {
00155 #ifdef HAVE_GETPASS
00156   char *passbuff;
00157 #else /* ! HAVE_GETPASS */
00158   TERMIO org,tmp;
00159 #endif /* HAVE_GETPASS */
00160   char buff[80];
00161 
00162   DBUG_ENTER("get_tty_password");
00163 
00164 #ifdef HAVE_GETPASS
00165   passbuff = getpass(opt_message ? opt_message : "Enter password: ");
00166 
00167   /* copy the password to buff and clear original (static) buffer */
00168   strnmov(buff, passbuff, sizeof(buff) - 1);
00169 #ifdef _PASSWORD_LEN
00170   memset(passbuff, 0, _PASSWORD_LEN);
00171 #endif
00172 #else 
00173   if (isatty(fileno(stderr)))
00174   {
00175     fputs(opt_message ? opt_message : "Enter password: ",stderr);
00176     fflush(stderr);
00177   }
00178 #if defined(HAVE_TERMIOS_H)
00179   tcgetattr(fileno(stdin), &org);
00180   tmp = org;
00181   tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
00182   tmp.c_cc[VMIN] = 1;
00183   tmp.c_cc[VTIME] = 0;
00184   tcsetattr(fileno(stdin), TCSADRAIN, &tmp);
00185   get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stderr)));
00186   tcsetattr(fileno(stdin), TCSADRAIN, &org);
00187 #elif defined(HAVE_TERMIO_H)
00188   ioctl(fileno(stdin), (int) TCGETA, &org);
00189   tmp=org;
00190   tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
00191   tmp.c_cc[VMIN] = 1;
00192   tmp.c_cc[VTIME]= 0;
00193   ioctl(fileno(stdin),(int) TCSETA, &tmp);
00194   get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
00195   ioctl(fileno(stdin),(int) TCSETA, &org);
00196 #else
00197   gtty(fileno(stdin), &org);
00198   tmp=org;
00199   tmp.sg_flags &= ~ECHO;
00200   tmp.sg_flags |= RAW;
00201   stty(fileno(stdin), &tmp);
00202   get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
00203   stty(fileno(stdin), &org);
00204 #endif
00205   if (isatty(fileno(stderr)))
00206     fputc('\n',stderr);
00207 #endif /* HAVE_GETPASS */
00208 
00209   DBUG_RETURN(my_strdup(buff,MYF(MY_FAE)));
00210 }

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Generated on Sat Sep 9 00:51:36 2006 for MySQL 5.1 by  doxygen 1.4.7