diff options
Diffstat (limited to 'g10/photoid.c')
| -rw-r--r-- | g10/photoid.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/g10/photoid.c b/g10/photoid.c deleted file mode 100644 index c20e20eca..000000000 --- a/g10/photoid.c +++ /dev/null @@ -1,332 +0,0 @@ -/* photoid.c - photo ID handling code - * Copyright (C) 2001, 2002 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 <errno.h> -#include <stdio.h> -#include <string.h> -#ifdef __MINGW32__ -# include <windows.h> -# ifndef VER_PLATFORM_WIN32_WINDOWS -# define VER_PLATFORM_WIN32_WINDOWS 1 -# endif -#endif -#include "packet.h" -#include "status.h" -#include "exec.h" -#include "keydb.h" -#include "util.h" -#include "i18n.h" -#include "iobuf.h" -#include "memory.h" -#include "options.h" -#include "main.h" -#include "photoid.h" - -/* Generate a new photo id packet, or return NULL if canceled */ -PKT_user_id *generate_photo_id(PKT_public_key *pk) -{ - PKT_user_id *uid; - int error=1,i; - unsigned int len; - char *filename=NULL; - byte *photo=NULL; - byte header[16]; - IOBUF file; - - header[0]=0x10; /* little side of photo header length */ - header[1]=0; /* big side of photo header length */ - header[2]=1; /* 1 == version of photo header */ - header[3]=1; /* 1 == JPEG */ - - for(i=4;i<16;i++) /* The reserved bytes */ - header[i]=0; - -#define EXTRA_UID_NAME_SPACE 71 - uid=m_alloc_clear(sizeof(*uid)+71); - - printf(_("\nPick an image to use for your photo ID. " - "The image must be a JPEG file.\n" - "Remember that the image is stored within your public key. " - "If you use a\n" - "very large picture, your key will become very large as well!\n" - "Keeping the image close to 240x288 is a good size to use.\n")); - - while(photo==NULL) - { - printf("\n"); - - m_free(filename); - - filename=cpr_get("photoid.jpeg.add", - _("Enter JPEG filename for photo ID: ")); - - if(strlen(filename)==0) - goto scram; - - file=iobuf_open(filename); - if(!file) - { - log_error(_("Unable to open photo \"%s\": %s\n"), - filename,strerror(errno)); - continue; - } - - len=iobuf_get_filelength(file); - if(len>6144) - { - printf("This JPEG is really large (%d bytes) !\n",len); - if(!cpr_get_answer_is_yes("photoid.jpeg.size", - _("Are you sure you want to use it (y/N)? "))) - { - iobuf_close(file); - continue; - } - } - - photo=m_alloc(len); - iobuf_read(file,photo,len); - iobuf_close(file); - - /* Is it a JPEG? */ - if(photo[0]!=0xFF || photo[1]!=0xD8 || - photo[6]!='J' || photo[7]!='F' || photo[8]!='I' || photo[9]!='F') - { - log_error(_("\"%s\" is not a JPEG file\n"),filename); - m_free(photo); - photo=NULL; - continue; - } - - /* Build the packet */ - build_attribute_subpkt(uid,1,photo,len,header,16); - parse_attribute_subpkts(uid); - make_attribute_uidname(uid, EXTRA_UID_NAME_SPACE); - - /* Showing the photo is not safe when noninteractive since the - "user" may not be able to dismiss a viewer window! */ - if(opt.command_fd==-1) - { - show_photos(uid->attribs,uid->numattribs,pk,NULL); - switch(cpr_get_answer_yes_no_quit("photoid.jpeg.okay", - _("Is this photo correct (y/N/q)? "))) - { - case -1: - goto scram; - case 0: - free_attributes(uid); - m_free(photo); - photo=NULL; - continue; - } - } - } - - error=0; - uid->ref=1; - - scram: - m_free(filename); - m_free(photo); - - if(error) - { - free_attributes(uid); - m_free(uid); - return NULL; - } - - return uid; -} - -/* Returns 0 for error, 1 for valid */ -int parse_image_header(const struct user_attribute *attr,byte *type,u32 *len) -{ - u16 headerlen; - - if(attr->len<3) - return 0; - - /* For historical reasons (i.e. "oops!"), the header length is - little endian. */ - headerlen=(attr->data[1]<<8) | attr->data[0]; - - if(headerlen>attr->len) - return 0; - - if(type && attr->len>=4) - { - if(attr->data[2]==1) /* header version 1 */ - *type=attr->data[3]; - else - *type=0; - } - - *len=attr->len-headerlen; - - if(*len==0) - return 0; - - return 1; -} - -/* style==0 for extension, 1 for name, 2 for MIME type. Remember that - the "name" style string could be used in a user ID name field, so - make sure it is not too big (see - parse-packet.c:parse_attribute). */ -char *image_type_to_string(byte type,int style) -{ - char *string; - - switch(type) - { - case 1: /* jpeg */ - if(style==0) - string="jpg"; - else if(style==1) - string="jpeg"; - else - string="image/jpeg"; - break; - - default: - if(style==0) - string="bin"; - else if(style==1) - string="unknown"; - else - string="image/x-unknown"; - break; - } - - return string; -} - -#if !defined(FIXED_PHOTO_VIEWER) && !defined(DISABLE_PHOTO_VIEWER) -static const char *get_default_photo_command(void) -{ -#if defined(__MINGW32__) - OSVERSIONINFO osvi; - - memset(&osvi,0,sizeof(osvi)); - osvi.dwOSVersionInfoSize=sizeof(osvi); - GetVersionEx(&osvi); - - if(osvi.dwPlatformId==VER_PLATFORM_WIN32_WINDOWS) - return "start /w %i"; - else - return "cmd /c start /w %i"; -#elif defined(__APPLE__) - /* OS X. This really needs more than just __APPLE__. */ - return "open %I"; -#elif defined(__riscos__) - return "Filer_Run %I"; -#else - return "xloadimage -fork -quiet -title 'KeyID 0x%k' stdin"; -#endif -} -#endif - -void show_photos(const struct user_attribute *attrs, - int count,PKT_public_key *pk,PKT_secret_key *sk) -{ -#ifndef DISABLE_PHOTO_VIEWER - int i; - struct expando_args args; - u32 len; - u32 kid[2]={0,0}; - - memset(&args,0,sizeof(args)); - args.pk=pk; - args.sk=sk; - - if(pk) - keyid_from_pk(pk,kid); - else if(sk) - keyid_from_sk(sk,kid); - - for(i=0;i<count;i++) - if(attrs[i].type==ATTRIB_IMAGE && - parse_image_header(&attrs[i],&args.imagetype,&len)) - { - char *command,*name; - struct exec_info *spawn; - int offset=attrs[i].len-len; - -#ifdef FIXED_PHOTO_VIEWER - opt.photo_viewer=FIXED_PHOTO_VIEWER; -#else - if(!opt.photo_viewer) - opt.photo_viewer=get_default_photo_command(); -#endif - - /* make command grow */ - command=pct_expando(opt.photo_viewer,&args); - if(!command) - goto fail; - - name=m_alloc(16+strlen(EXTSEP_S)+ - strlen(image_type_to_string(args.imagetype,0))+1); - - /* Make the filename. Notice we are not using the image - encoding type for more than cosmetics. Most external image - viewers can handle a multitude of types, and even if one - cannot understand a partcular type, we have no way to know - which. The spec permits this, by the way. -dms */ - -#ifdef USE_ONLY_8DOT3 - sprintf(name,"%08lX" EXTSEP_S "%s",(ulong)kid[1], - image_type_to_string(args.imagetype,0)); -#else - sprintf(name,"%08lX%08lX" EXTSEP_S "%s",(ulong)kid[0],(ulong)kid[1], - image_type_to_string(args.imagetype,0)); -#endif - - if(exec_write(&spawn,NULL,command,name,1,1)!=0) - { - m_free(name); - goto fail; - } - -#ifdef __riscos__ - riscos_set_filetype(spawn->tempfile_in, - image_type_to_string(args.imagetype,2)); -#endif - - m_free(name); - - fwrite(&attrs[i].data[offset],attrs[i].len-offset,1,spawn->tochild); - - if(exec_read(spawn)!=0) - { - exec_finish(spawn); - goto fail; - } - - if(exec_finish(spawn)!=0) - goto fail; - } - - return; - - fail: - log_error("unable to display photo ID!\n"); -#endif -} |