Tizen 2.0 Releasesubmit/tizen_2.0/20130215.192141accepted/tizen_2.0/20130215.202531tizen_2.0

1 files changed, 637 insertions, 0 deletions

diff --git a/ttyio.c b/ttyio.c
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+/*
+  Copyright (c) 1990-2005 Info-ZIP.  All rights reserved.
+
+  See the accompanying file LICENSE, version 2004-May-22 or later
+  (the contents of which are also included in zip.h) for terms of use.
+  If, for some reason, both of these files are missing, the Info-ZIP license
+  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
+*/
+/*---------------------------------------------------------------------------
+
+  ttyio.c
+
+  This file contains routines for doing console input/output, including code
+  for non-echoing input.  It is used by the encryption/decryption code but
+  does not contain any restricted code itself.  This file is shared between
+  Info-ZIP's Zip and UnZip.
+
+  Contains:  echo()         (VMS only)
+             Echon()        (Unix only)
+             Echoff()       (Unix only)
+             screenlines()  (Unix only)
+             zgetch()       (Unix and non-Unix versions)
+             getp()         ("PC," Unix/Atari/Be, VMS/VMCMS/MVS)
+
+  ---------------------------------------------------------------------------*/
+
+#define __TTYIO_C       /* identifies this source module */
+
+#include "zip.h"
+#include "crypt.h"
+
+#if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))
+/* Non-echo console/keyboard input is needed for (en/de)cryption's password
+ * entry, and for UnZip(SFX)'s MORE and Pause features.
+ * (The corresponding #endif is found at the end of this module.)
+ */
+
+#include "ttyio.h"
+
+#ifndef PUTC
+#  define PUTC putc
+#endif
+
+#ifdef ZIP
+#  ifdef GLOBAL          /* used in Amiga system headers, maybe others too */
+#    undef GLOBAL
+#  endif
+#  define GLOBAL(g) g
+#else
+#  define GLOBAL(g) G.g
+#endif
+
+#ifdef __BEOS__                /* why yes, we do */
+#  define HAVE_TERMIOS_H
+#endif
+
+#ifdef __ATHEOS__
+#  define HAVE_TERMIOS_H
+#endif
+
+#ifdef _POSIX_VERSION
+#  ifndef USE_POSIX_TERMIOS
+#    define USE_POSIX_TERMIOS  /* use POSIX style termio (termios) */
+#  endif
+#  ifndef HAVE_TERMIOS_H
+#    define HAVE_TERMIOS_H     /* POSIX termios.h */
+#  endif
+#endif /* _POSIX_VERSION */
+
+#ifdef UNZIP            /* Zip handles this with the unix/configure script */
+#  ifndef _POSIX_VERSION
+#    if (defined(SYSV) || defined(CRAY)) &&  !defined(__MINT__)
+#      ifndef USE_SYSV_TERMIO
+#        define USE_SYSV_TERMIO
+#      endif
+#      ifdef COHERENT
+#        ifndef HAVE_TERMIO_H
+#          define HAVE_TERMIO_H
+#        endif
+#        ifdef HAVE_SYS_TERMIO_H
+#          undef HAVE_SYS_TERMIO_H
+#        endif
+#      else /* !COHERENT */
+#        ifdef HAVE_TERMIO_H
+#          undef HAVE_TERMIO_H
+#        endif
+#        ifndef HAVE_SYS_TERMIO_H
+#           define HAVE_SYS_TERMIO_H
+#        endif
+#      endif /* ?COHERENT */
+#    endif /* (SYSV || CRAY) && !__MINT__ */
+#  endif /* !_POSIX_VERSION */
+#  if !(defined(BSD4_4) || defined(SYSV) || defined(__convexc__))
+#    ifndef NO_FCNTL_H
+#      define NO_FCNTL_H
+#    endif
+#  endif /* !(BSD4_4 || SYSV || __convexc__) */
+#endif /* UNZIP */
+
+#ifdef HAVE_TERMIOS_H
+#  ifndef USE_POSIX_TERMIOS
+#    define USE_POSIX_TERMIOS
+#  endif
+#endif
+
+#if (defined(HAVE_TERMIO_H) || defined(HAVE_SYS_TERMIO_H))
+#  ifndef USE_SYSV_TERMIO
+#    define USE_SYSV_TERMIO
+#  endif
+#endif
+
+#if (defined(UNZIP) && !defined(FUNZIP) && defined(UNIX) && defined(MORE))
+#  include <sys/ioctl.h>
+#  define GOT_IOCTL_H
+   /* int ioctl OF((int, int, zvoid *));   GRR: may need for some systems */
+#endif
+
+#ifndef HAVE_WORKING_GETCH
+   /* include system support for switching of console echo */
+#  ifdef VMS
+#    include <descrip.h>
+#    include <iodef.h>
+#    include <ttdef.h>
+#    include <starlet.h>
+#    include <ssdef.h>
+#  else /* !VMS */
+#    ifdef HAVE_TERMIOS_H
+#      include <termios.h>
+#      define sgttyb termios
+#      define sg_flags c_lflag
+#      define GTTY(f, s) tcgetattr(f, (zvoid *) s)
+#      define STTY(f, s) tcsetattr(f, TCSAFLUSH, (zvoid *) s)
+#    else /* !HAVE_TERMIOS_H */
+#      ifdef USE_SYSV_TERMIO           /* Amdahl, Cray, all SysV? */
+#        ifdef HAVE_TERMIO_H
+#          include <termio.h>
+#        endif
+#        ifdef HAVE_SYS_TERMIO_H
+#          include <sys/termio.h>
+#        endif
+#        ifdef NEED_PTEM
+#          include <sys/stream.h>
+#          include <sys/ptem.h>
+#        endif
+#        define sgttyb termio
+#        define sg_flags c_lflag
+#        define GTTY(f,s) ioctl(f,TCGETA,(zvoid *)s)
+#        define STTY(f,s) ioctl(f,TCSETAW,(zvoid *)s)
+#      else /* !USE_SYSV_TERMIO */
+#        ifndef CMS_MVS
+#          if (!defined(MINIX) && !defined(GOT_IOCTL_H))
+#            include <sys/ioctl.h>
+#          endif
+#          include <sgtty.h>
+#          define GTTY gtty
+#          define STTY stty
+#          ifdef UNZIP
+             /*
+              * XXX : Are these declarations needed at all ????
+              */
+             /*
+              * GRR: let's find out...   Hmmm, appears not...
+             int gtty OF((int, struct sgttyb *));
+             int stty OF((int, struct sgttyb *));
+              */
+#          endif
+#        endif /* !CMS_MVS */
+#      endif /* ?USE_SYSV_TERMIO */
+#    endif /* ?HAVE_TERMIOS_H */
+#    ifndef NO_FCNTL_H
+#      ifndef UNZIP
+#        include <fcntl.h>
+#      endif
+#    else
+       char *ttyname OF((int));
+#    endif
+#  endif /* ?VMS */
+#endif /* !HAVE_WORKING_GETCH */
+
+
+
+#ifndef HAVE_WORKING_GETCH
+#ifdef VMS
+
+/*
+ * Turn keyboard echoing on or off (VMS).  Loosely based on VMSmunch.c
+ * and hence on Joe Meadows' file.c code.
+ */
+int echo(opt)
+    int opt;
+{
+    /*
+     * For VMS v5.x:
+     *   IO$_SENSEMODE/SETMODE info:  Programming, Vol. 7A, System Programming,
+     *     I/O User's: Part I, sec. 8.4.1.1, 8.4.3, 8.4.5, 8.6
+     *   sys$assign(), sys$qio() info:  Programming, Vol. 4B, System Services,
+     *     System Services Reference Manual, pp. sys-23, sys-379
+     *   fixed-length descriptor info:  Programming, Vol. 3, System Services,
+     *     Intro to System Routines, sec. 2.9.2
+     * Greg Roelofs, 15 Aug 91
+     */
+
+    /* SKM: make global? */
+    static struct dsc$descriptor_s DevDesc =
+        {11, DSC$K_DTYPE_T, DSC$K_CLASS_S, "SYS$COMMAND"};
+     /* {dsc$w_length, dsc$b_dtype, dsc$b_class, dsc$a_pointer}; */
+    static short           DevChan, iosb[4];
+    static long            status;
+    static unsigned long   oldmode[2], newmode[2];   /* each = 8 bytes */
+
+
+    /* assign a channel to standard input */
+    status = sys$assign(&DevDesc, &DevChan, 0, 0);
+    if (!(status & 1))
+        return status;
+
+    /* use sys$qio and the IO$_SENSEMODE function to determine the current
+     * tty status (for password reading, could use IO$_READVBLK function
+     * instead, but echo on/off will be more general)
+     */
+    status = sys$qiow(0, DevChan, IO$_SENSEMODE, &iosb, 0, 0,
+                     oldmode, 8, 0, 0, 0, 0);
+    if (!(status & 1))
+        return status;
+    status = iosb[0];
+    if (!(status & 1))
+        return status;
+
+    /* copy old mode into new-mode buffer, then modify to be either NOECHO or
+     * ECHO (depending on function argument opt)
+     */
+    newmode[0] = oldmode[0];
+    newmode[1] = oldmode[1];
+    if (opt == 0)   /* off */
+        newmode[1] |= TT$M_NOECHO;                      /* set NOECHO bit */
+    else
+        newmode[1] &= ~((unsigned long) TT$M_NOECHO);   /* clear NOECHO bit */
+
+    /* use the IO$_SETMODE function to change the tty status */
+    status = sys$qiow(0, DevChan, IO$_SETMODE, &iosb, 0, 0,
+                     newmode, 8, 0, 0, 0, 0);
+    if (!(status & 1))
+        return status;
+    status = iosb[0];
+    if (!(status & 1))
+        return status;
+
+    /* deassign the sys$input channel by way of clean-up */
+    status = sys$dassgn(DevChan);
+    if (!(status & 1))
+        return status;
+
+    return SS$_NORMAL;   /* we be happy */
+
+} /* end function echo() */
+
+
+#else /* !VMS:  basically Unix */
+
+
+/* For VM/CMS and MVS, non-echo terminal input is not (yet?) supported. */
+#ifndef CMS_MVS
+
+#ifdef ZIP                      /* moved to globals.h for UnZip */
+   static int echofd=(-1);      /* file descriptor whose echo is off */
+#endif
+
+/*
+ * Turn echo off for file descriptor f.  Assumes that f is a tty device.
+ */
+void Echoff(__G__ f)
+    __GDEF
+    int f;                    /* file descriptor for which to turn echo off */
+{
+    struct sgttyb sg;         /* tty device structure */
+
+    GLOBAL(echofd) = f;
+    GTTY(f, &sg);             /* get settings */
+    sg.sg_flags &= ~ECHO;     /* turn echo off */
+    STTY(f, &sg);
+}
+
+/*
+ * Turn echo back on for file descriptor echofd.
+ */
+void Echon(__G)
+    __GDEF
+{
+    struct sgttyb sg;         /* tty device structure */
+
+    if (GLOBAL(echofd) != -1) {
+        GTTY(GLOBAL(echofd), &sg);    /* get settings */
+        sg.sg_flags |= ECHO;  /* turn echo on */
+        STTY(GLOBAL(echofd), &sg);
+        GLOBAL(echofd) = -1;
+    }
+}
+
+#endif /* !CMS_MVS */
+#endif /* ?VMS */
+
+
+#if (defined(UNZIP) && !defined(FUNZIP))
+
+#if (defined(UNIX) || defined(__BEOS__) || defined(__ATHEOS__))
+#ifdef MORE
+
+/*
+ * Get the number of lines on the output terminal.  SCO Unix apparently
+ * defines TIOCGWINSZ but doesn't support it (!M_UNIX).
+ *
+ * GRR:  will need to know width of terminal someday, too, to account for
+ *       line-wrapping.
+ */
+
+#if (defined(TIOCGWINSZ) && !defined(M_UNIX))
+
+int screenlines()
+{
+    struct winsize wsz;
+#ifdef DEBUG_WINSZ
+    static int firsttime = TRUE;
+#endif
+
+    /* see termio(4) under, e.g., SunOS */
+    if (ioctl(1, TIOCGWINSZ, &wsz) == 0) {
+#ifdef DEBUG_WINSZ
+        if (firsttime) {
+            firsttime = FALSE;
+            fprintf(stderr, "ttyio.c screenlines():  ws_row = %d\n",
+              wsz.ws_row);
+        }
+#endif
+        /* number of columns = ws_col */
+        return (wsz.ws_row > 0)? wsz.ws_row : 24;   /* number of rows */
+
+    } else {         /* this happens when piping to more(1), for example */
+#ifdef DEBUG_WINSZ
+        if (firsttime) {
+            firsttime = FALSE;
+            fprintf(stderr,
+              "ttyio.c screenlines():  ioctl(TIOCGWINSZ) failed\n"));
+        }
+#endif
+        return 24;   /* VT-100 assumed to be minimal hardware */
+    }
+}
+
+#else /* !TIOCGWINSZ: service not available, fall back to semi-bogus method */
+
+int screenlines()
+{
+    char *envptr, *getenv();
+    int n;
+
+    /* GRR:  this is overly simplistic, but don't have access to stty/gtty
+     * system anymore
+     */
+    envptr = getenv("LINES");
+    if (envptr == (char *)NULL || (n = atoi(envptr)) < 5)
+        return 24;   /* VT-100 assumed to be minimal hardware */
+    else
+        return n;
+}
+
+#endif /* ?(TIOCGWINSZ && !M_UNIX) */
+#endif /* MORE */
+
+
+/*
+ * Get a character from the given file descriptor without echo or newline.
+ */
+int zgetch(__G__ f)
+    __GDEF
+    int f;                      /* file descriptor from which to read */
+{
+#if (defined(USE_SYSV_TERMIO) || defined(USE_POSIX_TERMIOS))
+    char oldmin, oldtim;
+#endif
+    char c;
+    struct sgttyb sg;           /* tty device structure */
+
+    GTTY(f, &sg);               /* get settings */
+#if (defined(USE_SYSV_TERMIO) || defined(USE_POSIX_TERMIOS))
+    oldmin = sg.c_cc[VMIN];     /* save old values */
+    oldtim = sg.c_cc[VTIME];
+    sg.c_cc[VMIN] = 1;          /* need only one char to return read() */
+    sg.c_cc[VTIME] = 0;         /* no timeout */
+    sg.sg_flags &= ~ICANON;     /* canonical mode off */
+#else
+    sg.sg_flags |= CBREAK;      /* cbreak mode on */
+#endif
+    sg.sg_flags &= ~ECHO;       /* turn echo off, too */
+    STTY(f, &sg);               /* set cbreak mode */
+    GLOBAL(echofd) = f;         /* in case ^C hit (not perfect: still CBREAK) */
+
+    read(f, &c, 1);             /* read our character */
+
+#if (defined(USE_SYSV_TERMIO) || defined(USE_POSIX_TERMIOS))
+    sg.c_cc[VMIN] = oldmin;     /* restore old values */
+    sg.c_cc[VTIME] = oldtim;
+    sg.sg_flags |= ICANON;      /* canonical mode on */
+#else
+    sg.sg_flags &= ~CBREAK;     /* cbreak mode off */
+#endif
+    sg.sg_flags |= ECHO;        /* turn echo on */
+    STTY(f, &sg);               /* restore canonical mode */
+    GLOBAL(echofd) = -1;
+
+    return (int)c;
+}
+
+
+#else /* !UNIX && !__BEOS__ */
+
+
+int zgetch(__G__ f)
+    __GDEF
+    int f;    /* file descriptor from which to read (must be open already) */
+{
+    char c, c2;
+
+/*---------------------------------------------------------------------------
+    Get a character from the given file descriptor without echo; can't fake
+    CBREAK mode (i.e., newline required), but can get rid of all chars up to
+    and including newline.
+  ---------------------------------------------------------------------------*/
+
+    echoff(f);
+    read(f, &c, 1);
+    if (c != '\n')
+        do {
+            read(f, &c2, 1);   /* throw away all other chars up thru newline */
+        } while (c2 != '\n');
+    echon();
+    return (int)c;
+}
+
+#endif /* ?(UNIX || __BEOS__) */
+
+#endif /* UNZIP && !FUNZIP */
+#endif /* !HAVE_WORKING_GETCH */
+
+
+#if CRYPT                       /* getp() is only used with full encryption */
+
+/*
+ * Simple compile-time check for source compatibility between
+ * zcrypt and ttyio:
+ */
+#if (!defined(CR_MAJORVER) || (CR_MAJORVER < 2) || (CR_MINORVER < 7))
+   error:  This Info-ZIP tool requires zcrypt 2.7 or later.
+#endif
+
+/*
+ * Get a password of length n-1 or less into *p using the prompt *m.
+ * The entered password is not echoed.
+ */
+
+#ifdef HAVE_WORKING_GETCH
+/*
+ * For the AMIGA, getch() is defined as Agetch(), which is in
+ * amiga/filedate.c; SAS/C 6.x provides a getch(), but since Agetch()
+ * uses the infrastructure that is already in place in filedate.c, it is
+ * smaller.  With this function, echoff() and echon() are not needed.
+ *
+ * For the MAC, a non-echo macgetch() function is defined in the MacOS
+ * specific sources which uses the event handling mechanism of the
+ * desktop window manager to get a character from the keyboard.
+ *
+ * For the other systems in this section, a non-echo getch() function
+ * is either contained the C runtime library (conio package), or getch()
+ * is defined as an alias for a similar system specific RTL function.
+ */
+
+#ifndef WINDLL   /* WINDLL does not support a console interface */
+#ifndef QDOS     /* QDOS supplies a variant of this function */
+
+/* This is the getp() function for all systems (with TTY type user interface)
+ * that supply a working `non-echo' getch() function for "raw" console input.
+ */
+char *getp(__G__ m, p, n)
+    __GDEF
+    ZCONST char *m;             /* prompt for password */
+    char *p;                    /* return value: line input */
+    int n;                      /* bytes available in p[] */
+{
+    char c;                     /* one-byte buffer for read() to use */
+    int i;                      /* number of characters input */
+    char *w;                    /* warning on retry */
+
+    /* get password */
+    w = "";
+    do {
+        fputs(w, stderr);       /* warning if back again */
+        fputs(m, stderr);       /* display prompt and flush */
+        fflush(stderr);
+        i = 0;
+        do {                    /* read line, keeping first n characters */
+            if ((c = (char)getch()) == '\r')
+                c = '\n';       /* until user hits CR */
+            if (c == 8 || c == 127) {
+                if (i > 0) i--; /* the `backspace' and `del' keys works */
+            }
+            else if (i < n)
+                p[i++] = c;     /* truncate past n */
+        } while (c != '\n');
+        PUTC('\n', stderr);  fflush(stderr);
+        w = "(line too long--try again)\n";
+    } while (p[i-1] != '\n');
+    p[i-1] = 0;                 /* terminate at newline */
+
+    return p;                   /* return pointer to password */
+
+} /* end function getp() */
+
+#endif /* !QDOS */
+#endif /* !WINDLL */
+
+
+#else /* !HAVE_WORKING_GETCH */
+
+
+#if (defined(UNIX) || defined(__MINT__) || defined(__BEOS__) || defined(__ATHEOS__))
+
+#ifndef _PATH_TTY
+#  ifdef __MINT__
+#    define _PATH_TTY ttyname(2)
+#  else
+#    define _PATH_TTY "/dev/tty"
+#  endif
+#endif
+
+char *getp(__G__ m, p, n)
+    __GDEF
+    ZCONST char *m;             /* prompt for password */
+    char *p;                    /* return value: line input */
+    int n;                      /* bytes available in p[] */
+{
+    char c;                     /* one-byte buffer for read() to use */
+    int i;                      /* number of characters input */
+    char *w;                    /* warning on retry */
+    int f;                      /* file descriptor for tty device */
+
+#ifdef PASSWD_FROM_STDIN
+    /* Read from stdin. This is unsafe if the password is stored on disk. */
+    f = 0;
+#else
+    /* turn off echo on tty */
+
+    if ((f = open(_PATH_TTY, 0)) == -1)
+        return NULL;
+#endif
+    /* get password */
+    w = "";
+    do {
+        fputs(w, stderr);       /* warning if back again */
+        fputs(m, stderr);       /* prompt */
+        fflush(stderr);
+        i = 0;
+        echoff(f);
+        do {                    /* read line, keeping n */
+            read(f, &c, 1);
+            if (i < n)
+                p[i++] = c;
+        } while (c != '\n');
+        echon();
+        PUTC('\n', stderr);  fflush(stderr);
+        w = "(line too long--try again)\n";
+    } while (p[i-1] != '\n');
+    p[i-1] = 0;                 /* terminate at newline */
+
+#ifndef PASSWD_FROM_STDIN
+    close(f);
+#endif
+
+    return p;                   /* return pointer to password */
+
+} /* end function getp() */
+
+#endif /* UNIX || __MINT__ || __BEOS__ || __ATHEOS__ */
+
+
+
+#if (defined(VMS) || defined(CMS_MVS))
+
+char *getp(__G__ m, p, n)
+    __GDEF
+    ZCONST char *m;             /* prompt for password */
+    char *p;                    /* return value: line input */
+    int n;                      /* bytes available in p[] */
+{
+    char c;                     /* one-byte buffer for read() to use */
+    int i;                      /* number of characters input */
+    char *w;                    /* warning on retry */
+    FILE *f;                    /* file structure for SYS$COMMAND device */
+
+#ifdef PASSWD_FROM_STDIN
+    f = stdin;
+#else
+    if ((f = fopen(ctermid(NULL), "r")) == NULL)
+        return NULL;
+#endif
+
+    /* get password */
+    fflush(stdout);
+    w = "";
+    do {
+        if (*w)                 /* bug: VMS apparently adds \n to NULL fputs */
+            fputs(w, stderr);   /* warning if back again */
+        fputs(m, stderr);       /* prompt */
+        fflush(stderr);
+        i = 0;
+        echoff(f);
+        do {                    /* read line, keeping n */
+            if ((c = (char)getc(f)) == '\r')
+                c = '\n';
+            if (i < n)
+                p[i++] = c;
+        } while (c != '\n');
+        echon();
+        PUTC('\n', stderr);  fflush(stderr);
+        w = "(line too long--try again)\n";
+    } while (p[i-1] != '\n');
+    p[i-1] = 0;                 /* terminate at newline */
+#ifndef PASSWD_FROM_STDIN
+    fclose(f);
+#endif
+
+    return p;                   /* return pointer to password */
+
+} /* end function getp() */
+
+#endif /* VMS || CMS_MVS */
+#endif /* ?HAVE_WORKING_GETCH */
+#endif /* CRYPT */
+#endif /* CRYPT || (UNZIP && !FUNZIP) */