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-rw-r--r--g10/plaintext.c458
1 files changed, 0 insertions, 458 deletions
diff --git a/g10/plaintext.c b/g10/plaintext.c
deleted file mode 100644
index d84a523fe..000000000
--- a/g10/plaintext.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/* plaintext.c - process plaintext packets
- * Copyright (C) 1998, 1999, 2000, 2001, 2002,
- * 2003 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-#ifdef HAVE_DOSISH_SYSTEM
-#include <fcntl.h> /* for setmode() */
-#endif
-
-#include "gpg.h"
-#include "util.h"
-#include "memory.h"
-#include "options.h"
-#include "packet.h"
-#include "ttyio.h"
-#include "filter.h"
-#include "main.h"
-#include "status.h"
-#include "i18n.h"
-
-
-
-/****************
- * Handle a plaintext packet. If MFX is not NULL, update the MDs
- * Note: we should use the filter stuff here, but we have to add some
- * easy mimic to set a read limit, so we calculate only the
- * bytes from the plaintext.
- */
-int
-handle_plaintext( PKT_plaintext *pt, md_filter_context_t *mfx,
- int nooutput, int clearsig, int *create_failed )
-{
- char *fname = NULL;
- FILE *fp = NULL;
- int rc = 0;
- int c;
- int convert = pt->mode == 't';
-#ifdef __riscos__
- int filetype = 0xfff;
-#endif
- int dummy_create_failed;
-
- if (!create_failed)
- create_failed = &dummy_create_failed;
- *create_failed = 0;
-
- /* create the filename as C string */
- if( nooutput )
- ;
- else if( opt.outfile ) {
- fname = xmalloc ( strlen( opt.outfile ) + 1);
- strcpy(fname, opt.outfile );
- }
- else if( pt->namelen == 8 && !memcmp( pt->name, "_CONSOLE", 8 ) ) {
- log_info(_("data not saved; use option \"--output\" to save it\n"));
- nooutput = 1;
- }
- else if( !opt.use_embedded_filename ) {
- fname = make_outfile_name( iobuf_get_real_fname(pt->buf) );
- if( !fname )
- fname = ask_outfile_name( pt->name, pt->namelen );
- if( !fname ) {
- *create_failed = 1;
- rc = GPG_ERR_GENERAL;
- goto leave;
- }
- }
- else {
- fname = make_printable_string( pt->name, pt->namelen, 0 );
- }
-
- if( nooutput )
- ;
- else if( !*fname || (*fname=='-' && !fname[1])) {
- /* no filename or "-" given; write to stdout */
- fp = stdout;
-#ifdef HAVE_DOSISH_SYSTEM
- setmode ( fileno(fp) , O_BINARY );
-#endif
- }
- else {
- while( !overwrite_filep (fname) ) {
- char *tmp = ask_outfile_name (NULL, 0);
- if ( !tmp || !*tmp ) {
- xfree (tmp);
- *create_failed = 1;
- rc = GPG_ERR_GENERAL;
- goto leave;
- }
- xfree (fname);
- fname = tmp;
- }
- }
-
-#ifndef __riscos__
- if( fp || nooutput )
- ;
- else if( !(fp = fopen(fname,"wb")) ) {
- rc = gpg_error_from_errno (errno);
- log_error(_("error creating `%s': %s\n"), fname, strerror(errno) );
- *create_failed = 1;
- goto leave;
- }
-#else /* __riscos__ */
- /* Convert all '.' in fname to '/' -- we don't create directories! */
- for( c=0; fname[c]; ++c )
- if( fname[c] == '.' )
- fname[c] = '/';
-
- if( fp || nooutput )
- ;
- else {
- fp = fopen(fname,"wb");
- if( !fp ) {
- rc == gpg_error_from_errno (errno);
- log_error(_("error creating `%s': %s\n"), fname, strerror(errno) );
- *create_failed = 1;
- if (errno == 106)
- log_info("Do output file and input file have the same name?\n");
- goto leave;
- }
-
- /* If there's a ,xxx extension in the embedded filename,
- use that, else check whether the user input (in fname)
- has a ,xxx appended, then use that in preference */
- if( (c = riscos_get_filetype_from_string( pt->name,
- pt->namelen )) != -1 )
- filetype = c;
- if( (c = riscos_get_filetype_from_string( fname,
- strlen(fname) )) != -1 )
- filetype = c;
- riscos_set_filetype_by_number(fname, filetype);
- }
-#endif /* __riscos__ */
-
- if( !pt->is_partial ) {
- /* we have an actual length (which might be zero). */
- assert( !clearsig );
- if( convert ) { /* text mode */
- for( ; pt->len; pt->len-- ) {
- if( (c = iobuf_get(pt->buf)) == -1 ) {
- rc = gpg_error_from_errno (errno);
- log_error("Problem reading source (%u bytes remaining)\n",
- (unsigned)pt->len);
- goto leave;
- }
- if( mfx->md )
- gcry_md_putc (mfx->md, c );
-#ifndef HAVE_DOSISH_SYSTEM
- if( c == '\r' ) /* convert to native line ending */
- continue; /* fixme: this hack might be too simple */
-#endif
- if( fp ) {
- if( putc( c, fp ) == EOF ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error writing to `%s': %s\n",
- fname, strerror(errno) );
- goto leave;
- }
- }
- }
- }
- else { /* binary mode */
- byte *buffer = xmalloc ( 32768 );
- while( pt->len ) {
- int len = pt->len > 32768 ? 32768 : pt->len;
- len = iobuf_read( pt->buf, buffer, len );
- if( len == -1 ) {
- rc = gpg_error_from_errno (errno);
- log_error("Problem reading source (%u bytes remaining)\n",
- (unsigned)pt->len);
- xfree ( buffer );
- goto leave;
- }
- if( mfx->md )
- gcry_md_write( mfx->md, buffer, len );
- if( fp ) {
- if( fwrite( buffer, 1, len, fp ) != len ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error writing to `%s': %s\n",
- fname, strerror(errno) );
- xfree ( buffer );
- goto leave;
- }
- }
- pt->len -= len;
- }
- xfree ( buffer );
- }
- }
- else if( !clearsig ) {
- if( convert ) { /* text mode */
- while( (c = iobuf_get(pt->buf)) != -1 ) {
- if( mfx->md )
- gcry_md_putc (mfx->md, c );
-#ifndef HAVE_DOSISH_SYSTEM
- if( convert && c == '\r' )
- continue; /* fixme: this hack might be too simple */
-#endif
- if( fp ) {
- if( putc( c, fp ) == EOF ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error writing to `%s': %s\n",
- fname, strerror(errno) );
- goto leave;
- }
- }
- }
- }
- else { /* binary mode */
- byte *buffer = xmalloc ( 32768 );
- int eof;
- for( eof=0; !eof; ) {
- /* Why do we check for len < 32768:
- * If we won't, we would practically read 2 EOFs but
- * the first one has already popped the block_filter
- * off and therefore we don't catch the boundary.
- * So, always assume EOF if iobuf_read returns less bytes
- * then requested */
- int len = iobuf_read( pt->buf, buffer, 32768 );
- if( len == -1 )
- break;
- if( len < 32768 )
- eof = 1;
- if( mfx->md )
- gcry_md_write( mfx->md, buffer, len );
- if( fp ) {
- if( fwrite( buffer, 1, len, fp ) != len ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error writing to `%s': %s\n",
- fname, strerror(errno) );
- xfree ( buffer );
- goto leave;
- }
- }
- }
- xfree ( buffer );
- }
- pt->buf = NULL;
- }
- else { /* clear text signature - don't hash the last cr,lf */
- int state = 0;
-
- while( (c = iobuf_get(pt->buf)) != -1 ) {
- if( fp ) {
- if( putc( c, fp ) == EOF ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error writing to `%s': %s\n",
- fname, strerror(errno) );
- goto leave;
- }
- }
- if( !mfx->md )
- continue;
- if( state == 2 ) {
- gcry_md_putc (mfx->md, '\r' );
- gcry_md_putc (mfx->md, '\n' );
- state = 0;
- }
- if( !state ) {
- if( c == '\r' )
- state = 1;
- else if( c == '\n' )
- state = 2;
- else
- gcry_md_putc (mfx->md, c );
- }
- else if( state == 1 ) {
- if( c == '\n' )
- state = 2;
- else {
- gcry_md_putc (mfx->md, '\r' );
- if( c == '\r' )
- state = 1;
- else {
- state = 0;
- gcry_md_putc (mfx->md, c );
- }
- }
- }
- }
- pt->buf = NULL;
- }
-
- if( fp && fp != stdout && fclose(fp) ) {
- rc = gpg_error_from_errno (errno);
- log_error("Error closing `%s': %s\n", fname, strerror(errno) );
- fp = NULL;
- goto leave;
- }
- fp = NULL;
-
- leave:
- if( fp && fp != stdout )
- fclose(fp);
- xfree (fname);
- return rc;
-}
-
-static void
-do_hash( MD_HANDLE md, MD_HANDLE md2, iobuf_t fp, int textmode )
-{
- text_filter_context_t tfx;
- int c;
-
- if( textmode ) {
- memset( &tfx, 0, sizeof tfx);
- iobuf_push_filter( fp, text_filter, &tfx );
- }
- if( md2 ) { /* work around a strange behaviour in pgp2 */
- /* It seems that at least PGP5 converts a single CR to a CR,LF too */
- int lc = -1;
- while( (c = iobuf_get(fp)) != -1 ) {
- if( c == '\n' && lc == '\r' )
- gcry_md_putc (md2, c);
- else if( c == '\n' ) {
- gcry_md_putc (md2, '\r');
- gcry_md_putc (md2, c);
- }
- else if( c != '\n' && lc == '\r' ) {
- gcry_md_putc (md2, '\n');
- gcry_md_putc (md2, c);
- }
- else
- gcry_md_putc (md2, c);
-
- if( md )
- gcry_md_putc (md, c );
- lc = c;
- }
- }
- else {
- while( (c = iobuf_get(fp)) != -1 ) {
- if( md )
- gcry_md_putc (md, c );
- }
- }
-}
-
-
-/****************
- * Ask for the detached datafile and calculate the digest from it.
- * INFILE is the name of the input file.
- */
-int
-ask_for_detached_datafile( MD_HANDLE md, MD_HANDLE md2,
- const char *inname, int textmode )
-{
- progress_filter_context_t pfx;
- char *answer = NULL;
- iobuf_t fp;
- int rc = 0;
-
- fp = open_sigfile( inname, &pfx ); /* open default file */
-
- if( !fp && !opt.batch ) {
- int any=0;
- tty_printf(_("Detached signature.\n"));
- do {
- xfree (answer);
- answer = cpr_get("detached_signature.filename",
- _("Please enter name of data file: "));
- cpr_kill_prompt();
- if( any && !*answer ) {
- rc = GPG_ERR_GENERAL;
- goto leave;
- }
- fp = iobuf_open(answer);
- if( !fp && errno == ENOENT ) {
- tty_printf("No such file, try again or hit enter to quit.\n");
- any++;
- }
- else if( !fp ) {
- rc = gpg_error_from_errno (errno);
- log_error("can't open `%s': %s\n", answer, strerror(errno) );
- goto leave;
- }
- } while( !fp );
- }
-
- if( !fp ) {
- if( opt.verbose )
- log_info(_("reading stdin ...\n"));
- fp = iobuf_open( NULL );
- assert(fp);
- }
- do_hash( md, md2, fp, textmode );
- iobuf_close(fp);
-
- leave:
- xfree (answer);
- return rc;
-}
-
-
-
-/****************
- * Hash the given files and append the hash to hash context md.
- * If FILES is NULL, hash stdin.
- */
-int
-hash_datafiles( MD_HANDLE md, MD_HANDLE md2, STRLIST files,
- const char *sigfilename, int textmode )
-{
- progress_filter_context_t pfx;
- iobuf_t fp;
- STRLIST sl;
-
- if( !files ) {
- /* check whether we can open the signed material */
- fp = open_sigfile( sigfilename, &pfx );
- if( fp ) {
- do_hash( md, md2, fp, textmode );
- iobuf_close(fp);
- return 0;
- }
- log_error (_("no signed data\n"));
- return GPG_ERR_NO_DATA;
- }
-
-
- for (sl=files; sl; sl = sl->next ) {
- fp = iobuf_open( sl->d );
- if( !fp ) {
- int tmperr = gpg_error_from_errno (errno);
- log_error(_("can't open signed data `%s'\n"),
- print_fname_stdin(sl->d));
- return tmperr;
- }
- handle_progress (&pfx, fp, sl->d);
- do_hash( md, md2, fp, textmode );
- iobuf_close(fp);
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-17 20:32:21 +0000