/[winpt]/trunk/Src/wptGPG.cpp
ViewVC logotype

Diff of /trunk/Src/wptGPG.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 42 by werner, Fri Oct 28 08:25:30 2005 UTC revision 409 by twoaday, Mon Feb 6 19:39:00 2012 UTC
# Line 1  Line 1 
1  /* wptGPG.cpp - GnuPG configuration  /* wptGPG.cpp - GnuPG configuration
2   *      Copyright (C) 2001-2005 Timo Schulz   *      Copyright (C) 2001-2009 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# Line 12  Line 12 
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14   * General Public License for more details.   * General Public License for more details.
  *  
  * You should have received a copy of the GNU General Public License  
  * along with WinPT; if not, write to the Free Software Foundation,  
  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA  
15   */   */
16  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
17  #include <config.h>  #include <config.h>
18  #endif  #endif
19    
20  #include <windows.h>  #include <windows.h>
 #include <windows.h>  
21  #include <string.h>  #include <string.h>
22  #include <stdio.h>  #include <stdio.h>
23  #include <shlobj.h>  #include <shlobj.h>
# Line 31  Line 26 
26  #include <time.h>  #include <time.h>
27    
28  #include "wptGPG.h"  #include "wptGPG.h"
29    #include "wptGPGME.h"
30  #include "wptGPGCmds.h"  #include "wptGPGCmds.h"
 #include "wptGPGOptSkel.h"  
31  #include "wptTypes.h"  #include "wptTypes.h"
32  #include "wptNLS.h"  #include "wptNLS.h"
33  #include "wptRegistry.h"  #include "wptRegistry.h"
# Line 40  Line 35 
35  #include "wptW32API.h"  #include "wptW32API.h"
36  #include "wptCrypto.h"  #include "wptCrypto.h"
37    
38  #define GPG_CONF "gpg.conf"  #define GPG_CONF        "gpg.conf"
39    #define GPG_REG_EXE     "gpgProgram"    /* registry name for the binary. */
40  struct gpg_watcher_s {  #define GPG_REG_HOME    "HomeDir"       /* registry name of the home dir. */
41      FILETIME    last_access;  
42    /* Context to monitor GPG file changes. */
43    struct gpg_monitor_s {
44        FILETIME    last_access;    /* last write access. */
45      FILETIME    access;      FILETIME    access;
46      char        *object;      char        *object;        /* name of the object. */
47      int         modified;      char        *fpath_object;  /* full path to the object. */
48        int         modified;       /* 1 = modified. */
49  };  };
50    typedef struct gpg_monitor_s *gpg_monitor_t;
51    
52    static const char *gpg_objs[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg"};
53  /* XXX need to watch for gpg.conf due to the fact keyring entries could be changed */  static gpg_monitor_s gpg_table[3];
 static const char * gpg_objs[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg"};  
 static gpg_watcher_s gpg_table[3];  
54  static int gpg_table_count = DIM (gpg_table);  static int gpg_table_count = DIM (gpg_table);
55    
56  int idea_available = 0;  int idea_available = 0; /* if the IDEA extension is available. */
57    
58    
59  static int check_keyring (char ** r_path);  static int check_keyring (char ** r_path);
60    
61    
62  /* Return the application data folder of the current user. */  /* Return the application data folder of the current user. */
63  static char*  char*
64  multi_gnupg_path (void)  multi_gnupg_path (int strict)
65  {  {
66      static char buf[256+64];      static char buf[MAX_PATH+64];
     BOOL ec;  
67    
68      /* MSDN: buf must be at least MAX_PATH=256 bytes */      /* MSDN: buf must be at least MAX_PATH=256 bytes */
69      memset (buf, 0, sizeof (buf));      memset (buf, 0, sizeof (buf));
70      /* XXX: ec should be NOERROR (MSDN) but NOERROR is defined as '0' !? */      if (!SHGetSpecialFolderPath (HWND_DESKTOP, buf, CSIDL_APPDATA, TRUE)) {
71      ec = SHGetSpecialFolderPath (HWND_DESKTOP, buf, CSIDL_APPDATA, TRUE);          log_debug ("multi_gnupg_path: SHGetSpecialFolderPath() failed with: %d\r\n",
72      if (ec != 1)                     (int)GetLastError ());
73          return NULL;          return NULL;
74        }
75      strcat (buf, "\\gnupg");      strcat (buf, "\\gnupg");
76      if (access (buf, 00))      if (strict && access (buf, 00))
77          return NULL;          return NULL;
78      return m_strdup (buf);      return m_strdup (buf);
79  }  }
80    
81    
82  /* Return the full path of the GnuPG application. First the registry is scanned  /* Return the full path to the GPG home directory. First the 'HomeDir' entry
83     for the entry 'HomeDir'. If it wasn't set, the default dir C:\GNUPG is used.     from the registry is used. Then the default $APPDATA\gnupg path. */
 */  
84  char*  char*
85  get_gnupg_path (void)  get_gnupg_path (void)
86  {  {
87      char *p = NULL, *path = NULL;      char *path = get_reg_entry_gpg (GPG_REG_HOME);
88            if (path && dir_exist_check (path) == 0)
     p = get_reg_entry_gpg ("HomeDir");  
     if (p) {  
         path = m_strdup (p);  
         free_if_alloc (p);  
89          return path;          return path;
90      }      free_if_alloc (path);
91      else      return multi_gnupg_path (1);
         return multi_gnupg_path ();  
     return m_strdup ("c:\\gnupg");  
92  }  }
93    
94    
# Line 104  get_gnupg_path (void) Line 96  get_gnupg_path (void)
96     A value of NULL indicates an error. */     A value of NULL indicates an error. */
97  char*  char*
98  get_gnupg_cfgfile (void)  get_gnupg_cfgfile (void)
99  {      {
100      char *p = NULL, *optfile = NULL, *path = NULL;      char *path = get_gnupg_path ();
     size_t nlen = 0;  
   
     path = get_gnupg_path ();  
101      if (!path)      if (!path)
102          return NULL;          return NULL;
103      p = get_reg_entry_gpg ("OptFile");      char *optfile = make_filename (path, GPG_CONF, NULL);
     if (p && !strcmp (p, "")) {  
         nlen = strlen (path) + 64;  
         optfile = new char[nlen + 1];  
         if (!optfile)  
             BUG (0);  
         _snprintf (optfile, nlen, "%s\\"GPG_CONF, path);  
     }  
     else if (p) {  
         nlen = strlen( p ) + 4;  
         optfile = new char[nlen + 1];  
         if (!optfile)  
             BUG (NULL);  
         _snprintf (optfile, nlen, "%s", p);  
     }  
     else {  
         nlen = strlen (path) + 64;  
         optfile = new char[nlen + 1];  
         if( !optfile)  
             BUG (NULL);  
         _snprintf (optfile, nlen, "%s\\"GPG_CONF, path);  
     }  
104      free_if_alloc (path);      free_if_alloc (path);
105      free_if_alloc (p);  
106      return optfile;      return optfile;
107  }  }
108    
109    
110    static char*
111    get_keyring_from_conf (const char *fname, int pub)
112    {
113        config_file_t opt;
114        conf_option_t e;
115        char *kring = NULL;
116    
117        if (parse_config (fname, &opt))
118            return NULL;
119        if (pub)
120            e = conf_find_option (opt, "keyring");
121        else
122            e = conf_find_option (opt, "secret-keyring");
123        if (e != NULL)
124            kring = m_strdup (e->val);
125        release_config (opt);
126    
127        return kring;
128    }
129    
130    
131  /* Return the full path of the keyring. If @pub is 1, the public  /* Return the full path of the keyring. If @pub is 1, the public
132     keyring is return, otherwise the secret keyring. */     keyring is return, otherwise the secret keyring. */
133  char*  char*
134  get_gnupg_keyring (int pub, int strict)  get_gnupg_keyring (int pub, int strict)
135  {      {    
136      char *optfile = NULL;      char *optfile;
137      char *path = NULL;      char *path;
138      char *keyring = NULL;      char *keyring;
139    
140      path = get_gnupg_path ();      path = get_gnupg_path ();
141      if (!path)      if (!path)
142          return NULL;          return NULL;
143      keyring = make_filename (path, pub? "pubring" : "secring", "gpg");      keyring = make_filename (path, pub? "pubring" : "secring", "gpg");
144      if (!strict && !file_exist_check (keyring)) {      if (strict && !file_exist_check (keyring)) {
145          free_if_alloc (path);          free_if_alloc (path);
146          return keyring;          return keyring;
147      }      }
148      if (file_exist_check (keyring) || get_file_size (keyring) == 0) {      else if (!strict) {
149            free_if_alloc (path);
150            return keyring;
151        }
152        if (file_exist_check (keyring) ||
153            (pub && get_file_size (keyring) == 0)) {
154          free_if_alloc (keyring);          free_if_alloc (keyring);
155          optfile = make_filename (path, GPG_CONF, NULL);          optfile = make_filename (path, GPG_CONF, NULL);
156          keyring = get_gnupg_keyring_from_options (optfile, pub);          keyring = get_keyring_from_conf (optfile, pub);
157            free_if_alloc (optfile);
158      }      }
159      free_if_alloc (path);      free_if_alloc (path);
160      free_if_alloc (optfile);      
161      return keyring;      return keyring;
162  }  }
163    
# Line 173  get_gnupg_keyring (int pub, int strict) Line 168  get_gnupg_keyring (int pub, int strict)
168  char*  char*
169  get_gnupg_prog (void)  get_gnupg_prog (void)
170  {      {    
171      char *p;      char *path;
172      char *pgm = NULL;      char *pgm;
     size_t nlen = 0;  
173    
174      p = get_reg_entry_gpg ("gpgProgram");      pgm = get_reg_entry_gpg (GPG_REG_EXE);
175      if (!p) {      if (pgm)
176          char *path = get_gnupg_path ();          return pgm;
177          if (!path)      path = get_gnupg_path ();
178              return NULL;      if (!path)
179          pgm = make_filename (path, "gpg", "exe");          return NULL;    
180          free_if_alloc (path);      pgm = make_filename (path, "gpg", "exe");
181      }      free_if_alloc (path);
     else {  
         pgm = m_strdup (p);  
         free_if_alloc (p);  
     }  
182      return pgm;      return pgm;
183  }  }
184    
# Line 196  get_gnupg_prog (void) Line 186  get_gnupg_prog (void)
186  /* Retrieve the first usable secret key from cache.  /* Retrieve the first usable secret key from cache.
187     If no usable was found, @ret_no_useable is 1.     If no usable was found, @ret_no_useable is 1.
188     Return value: the keyid of the secret key. */     Return value: the keyid of the secret key. */
189  static char *  static char*
190  default_key_from_cache (int *ret_no_useable)  default_key_from_cache (int *ret_no_useable)
191  {  {    
192      const char * s;      gpgme_key_t key, pk;
193      char * keyid = NULL;      gpg_keycache_t sec, pub;
194      gpgme_key_t key;      const char *s;
195      gpg_keycache_t sec = keycache_get_ctx (0);      char *keyid = NULL;
196    
197      if (!sec)      sec = keycache_get_ctx (0);
198          BUG (0);      pub = keycache_get_ctx (1);
199      gpg_keycache_rewind (sec);      gpg_keycache_rewind (sec);
200      while (!gpg_keycache_next_key (sec, 1, &key)) {      while (!gpg_keycache_next_key (sec, 1, &key)) {
201          if (key_is_useable (key)) {          if (key_is_useable (key) && !get_pubkey (key->subkeys->keyid, &pk)) {
202              s = key->subkeys->keyid;              s = key->subkeys->keyid;
203              if (s)                  if (s)
204                  keyid = m_strdup (s+8);                  keyid = m_strdup (s+8);
205              break;              break;
206          }          }
207      }      }
208      if (!keyid) {      if (!keyid)
209          *ret_no_useable = 1;          *ret_no_useable = 1;
         msg_box (NULL, _("No useable secret key found."), _("GPG Error"), MB_ERR);  
     }  
210      return keyid;      return keyid;
211  }  }
212    
# Line 228  default_key_from_cache (int *ret_no_usea Line 216  default_key_from_cache (int *ret_no_usea
216     Return value: 0 on success. */     Return value: 0 on success. */
217  int  int
218  gnupg_load_config (void)  gnupg_load_config (void)
219  {  {    
220      int rc;      config_file_t opt;
221      gpg_optfile_t opt;      char *conf;
222      gpg_option_t o;      int rc = 0;
223      char *conf = get_gnupg_cfgfile ();      
224        conf = get_gnupg_cfgfile ();
225      if (!conf)      if (!conf)
226          return -1;          return -1;
227      rc = parse_gpg_options (conf, &opt);      if (parse_config (conf, &opt)) {
     if (rc) {  
228          free_if_alloc (conf);          free_if_alloc (conf);
229          return -1;          return -1;
230      }      }
     o = find_option (opt, "ask-cert-level");  
     if (o)  
         reg_prefs.gpg.ask_cert_level = 1;  
     release_gpg_options (opt);  
231      free_if_alloc (conf);      free_if_alloc (conf);
232      return 0;      if (conf_find_option (opt, "ask-cert-level"))
233            reg_prefs.gpg.ask_cert_level = 1;
234        if (conf_find_option (opt, "ask-cert-expire"))
235            reg_prefs.gpg.ask_cert_expire = 1;
236        /* The 'textmode' option for GPG is useful for text files
237           but it breaks the output of any binary data. Thus we return
238           a warning here to inform the user that binary output is broken. */
239        if (conf_find_option (opt, "textmode"))
240            rc = -2;
241        release_config (opt);
242    
243        return rc;
244  }  }
245    
246    
247    /* handle the case the user added a '!' to force a subkey. */
248    static char*
249    extract_keyid (const char *val)
250    {    
251        size_t len = strlen (val);
252    
253        if (len > 1 && val[len-1] == '!')
254            return substr (val, 0, len-1);
255        return m_strdup (val);
256    }
257    
258    
259    /* Return the default key.
260       This can be either a substring or a key ID. */
261  char*  char*
262  get_gnupg_default_key (void)  get_gnupg_default_key (void)
263  {      {    
264      gpg_optfile_t opt = NULL;      config_file_t opt = NULL;
265      gpg_option_t e;      conf_option_t e;
266      char * keyid = NULL, * optfile = NULL;      char *keyid = NULL, *optfile = NULL;
267      int no_usable=0, rc = 0;      int no_usable=0;
268    
269      optfile = get_gnupg_cfgfile ();      optfile = get_gnupg_cfgfile ();
270      if (!optfile)      if (!optfile)
271          return default_key_from_cache (&no_usable);          return default_key_from_cache (&no_usable);
272      rc = parse_gpg_options (optfile, &opt);      if (parse_config (optfile, &opt)) {
273      if (rc) {          free_if_alloc (optfile);
274          free_if_alloc( optfile );          return default_key_from_cache (&no_usable);
         return default_key_from_cache( &no_usable );  
     }  
     e = find_option( opt, "default-key" );  
     if ( e )  
         keyid = m_strdup( e->val );  
     if( !e ) {  
         e = find_option( opt, "local-user" );  
         if( e )  
             keyid = m_strdup( e->val );  
     }  
     if( !e ) {  
         e = find_option( opt, "encrypt-to" );  
         if( e )  
             keyid = m_strdup( e->val );  
275      }      }
276        /* First we search for config entries which specify a default key. */
277        e = conf_find_option (opt, "default-key");
278        if (!e)
279            e = conf_find_option (opt, "local-user");
280        if (e)
281            keyid = extract_keyid (e->val);
282    
283      free_if_alloc (optfile);      free_if_alloc (optfile);
284      release_gpg_options (opt);      release_config (opt);
285    
286        /* If no entry in the config has been found, we get a key
287           from the key cache. */
288      if (!keyid)      if (!keyid)
289          keyid = default_key_from_cache (&no_usable);          keyid = default_key_from_cache (&no_usable);
290      return keyid;      return keyid;
291  } /* get_gnupg_default_key */  }
292    
293    
294    /* Check if GPG4WIN is available and if so, use the
295       install path to figure out where the gpg.exe is. */
296    char*
297    check_for_gpg4win (void)
298    {
299        return get_reg_entry_gpg4win ("gpg.exe");
300    }
301    
302    
303  /* Check if the gpg application (exe file) is available. */  /* Check if the gpg application (exe file) is available. */
304  int  int
305  check_gnupg_prog (void)  check_gnupg_prog (void)
306  {  {
307      char *pgm = NULL;      char *gpgexe = NULL;
308      int rc = 0;      int rc = 0;
309    
310      pgm = get_gnupg_prog ();      gpgexe = get_gnupg_prog ();
311      if (!pgm)      if (!gpgexe || file_exist_check (gpgexe)) {
312          rc = WPTERR_GPG_EXEFILE;          free_if_alloc (gpgexe);
313      if (file_exist_check (pgm))          gpgexe = check_for_gpg4win ();
314          rc = WPTERR_GPG_EXEFILE;          if (!gpgexe || file_exist_check (gpgexe))
315      free_if_alloc (pgm);              rc = WPTERR_GPG_EXEFILE;
316            else
317                set_reg_entry_gpg (GPG_REG_EXE, gpgexe);
318        }
319        free_if_alloc (gpgexe);
320      return rc;      return rc;
321  }  }
322    
323    
324  static int  static int
325  parse_version_nr (const char * buf, int *major, int *minor, int *patch)  parse_version_nr (const char *buf, int *major, int *minor, int *patch)
326  {  {  
327      char tmp[8];      char *p;
328      int i;      char *tmp = m_strdup(buf);
329            
330      i=0;      int pos = 0;
331      while (buf && *buf != '.' && i < 8)      while ((p = strsep(&tmp, ".")) != NULL) {
332          tmp[i++] = *buf++;          switch (++pos) {
333      tmp[i] = 0; buf++;          case 1: *major = atoi (p); break;
334      *major = atol( tmp );          case 2: *minor = atoi (p); break;
335      i=0;          case 3: *patch = atoi (p); break;
336      while (buf && *buf != '.' && i < 8)          }
337          tmp[i++] = *buf++;      }
338      tmp[i] = 0; buf++;      delete[] tmp;  
339      *minor = atol (tmp);      if (pos != 3)
340      i=0;          return -1;  
     while (buf && isdigit( *buf ) && i < 8)  
         tmp[i++] = *buf++;  
     tmp[i] = 0;  
     *patch = atol (tmp);  
341      return 0;      return 0;
342  }  }
343    
# Line 333  parse_version_nr (const char * buf, int Line 346  parse_version_nr (const char * buf, int
346     version given in @r_major.@r_minor.@r_patch. On success these     version given in @r_major.@r_minor.@r_patch. On success these
347     variables contain the GPG version which is installed. */     variables contain the GPG version which is installed. */
348  int  int
349  check_gnupg_engine (int *r_major, int *r_minor, int *r_patch)  check_gnupg_engine (const char *need_gpg_ver,
350                        int *r_major, int *r_minor, int *r_patch)
351  {  {
     gpgme_ctx_t ctx;  
352      gpgme_engine_info_t inf;      gpgme_engine_info_t inf;
353      char * eng = NULL;      char *eng = NULL;
354      int major=0, minor=0, patch=0;      int major=0, minor=0, patch=0;
355      int rc;      int need_major = 0, need_minor = 0, need_patch = 0;
356                int rc = 1;
357      gpgme_new (&ctx);  
358      inf = gpgme_ctx_get_engine_info (ctx);      /* Convert the needed GPG version to the integer format. */
359      if (!inf) {      if (parse_version_nr (need_gpg_ver,
360          gpgme_release (ctx);                            &need_major, &need_minor, &need_patch))
361          return -1;          return 1;
362      }      
363        if (gpgme_get_engine_info (&inf))
364         return -1;
365    
366      /* We need to exec GPG again to find out if IDEA is available. */      /* We need to exec GPG again to find out if IDEA is available. */
367      if (gpg_get_version (&eng))      if (gpg_get_version (&eng))
368          return -1;       return -1;
369      if (strstr (eng, "IDEA"))      if (strstr (eng, "IDEA"))
370          idea_available = 1;          idea_available = 1;
371      free (eng);      safe_free (eng);
372      rc = parse_version_nr( inf->version, &major, &minor, &patch );    
373      if( rc ) {      if (parse_version_nr (inf->version, &major, &minor, &patch))
374          gpgme_release (ctx);          return 1;
375          return rc;  
376      }      if (major > need_major)
     if (major < *r_major || minor < *r_minor)  
         rc = 1;  
     else {  
         if (patch < *r_patch)  
             rc = 1;  
377          rc = 0;          rc = 0;
378      }      else if (major == need_major && minor > need_minor)      
379            rc = 0;
380        else if (major == need_major && minor == need_minor &&
381                 patch >= need_patch)
382            rc = 0;
383    
384        /* Return the current GPG version. */
385      *r_major = major;      *r_major = major;
386      *r_minor = minor;      *r_minor = minor;
387      *r_patch = patch;      *r_patch = patch;
# Line 372  check_gnupg_engine (int *r_major, int *r Line 389  check_gnupg_engine (int *r_major, int *r
389  }  }
390    
391    
392  int  /* Count the keyring entries in the gpg.conf file.
393  check_gnupg_cfgfile (const char *fname, int *r_secrings, int *r_pubrings)     Return value: 0 on success. */
394    static int
395    cfgfile_count_keyrings (const char *fname, int *r_secrings, int *r_pubrings)
396  {  {
397      gpg_optfile_t opt;          config_file_t opt;    
398      gpg_option_t e;      conf_option_t e;
     int rc = 0;  
399    
400      *r_secrings = 0;      *r_secrings = 0;
401      *r_pubrings = 0;      *r_pubrings = 0;
     rc = parse_gpg_options( fname, &opt );  
     if( rc )  
         return WPTERR_FILE_OPEN;  
402    
403      for( e = opt->list; e; e = e->next ) {      if (parse_config (fname, &opt))
404          if( !strcmp( e->name, "secret-keyring" ) ) {          return WPTERR_FILE_OPEN;
405              if( !file_exist_check( e->val ) )      for (e = opt->list; e; e = e->next) {
406            if (!strcmp (e->name, "secret-keyring")) {
407                if (!file_exist_check (e->val))
408                  r_secrings[0]++;                  r_secrings[0]++;
409          }          }
410          else if( !strcmp( e->name, "keyring" ) ) {          else if (!strcmp (e->name, "keyring")) {
411              if( !file_exist_check( e->val ) )              if (!file_exist_check (e->val))
412                  r_pubrings[0]++;                  r_pubrings[0]++;
413          }          }
414      }      }
415      release_gpg_options( opt );      release_config (opt);
416      return 0;      return 0;
417  } /* check_gnupg_cfgfile */  }
418    
419    
420  /*  /* Usually GPG creates the pubring.gpg, secring.gpg on
421   * Check if both keyrings are located in the gnupg home directory.     the first start, but to make sure they always exist
422   */     create them empty if needed. */
423    static void
424    create_empty_keyring (int _pub)
425    {
426        char *name = get_gnupg_keyring (_pub, 0);
427        if (name && file_exist_check (name) != 0) {
428            FILE *fp = fopen (name, "ab");
429            if (fp != NULL)
430                fclose (fp);
431        }
432        free_if_alloc (name);
433    }
434    
435    
436    /* Check if both keyrings are located in the gnupg home directory. */
437  int  int
438  gnupg_access_files (void)  gnupg_access_files (void)
439  {  {
# Line 411  gnupg_access_files (void) Line 442  gnupg_access_files (void)
442      int secrings = 0, pubrings = 0;      int secrings = 0, pubrings = 0;
443      char *optfile;      char *optfile;
444    
445        create_empty_keyring (1);
446      if (gnupg_access_keyring (1))      if (gnupg_access_keyring (1))
447          rc = WPTERR_GPG_KEYRINGS;          rc = WPTERR_GPG_KEYRINGS;
448      else      else
449          pubring_ok = 1;          pubring_ok = 1;
450    
451        create_empty_keyring (0);
452      if (gnupg_access_keyring (0))      if (gnupg_access_keyring (0))
453          rc = WPTERR_GPG_KEYRINGS;          rc = WPTERR_GPG_KEYRINGS;
454      else      else
455          secring_ok = 1;          secring_ok = 1;
456    
457      if (!pubring_ok || !secring_ok) {      if (!pubring_ok || !secring_ok) {
458          optfile = get_gnupg_cfgfile ();          optfile = get_gnupg_cfgfile ();
459          if (!optfile)          if (!optfile)
460              return WPTERR_GPG_KEYRINGS;              return WPTERR_GPG_KEYRINGS;
461          rc = file_exist_check (optfile);          rc = file_exist_check (optfile);
462          if (!rc && get_file_size(optfile) > 0) {          if (!rc && get_file_size (optfile) > 0) {
463              rc = check_gnupg_cfgfile (optfile, &secrings, &pubrings);              rc = cfgfile_count_keyrings (optfile, &secrings, &pubrings);
464              if (!rc && secrings && pubrings) {              if (!rc && secrings > 0 && pubrings > 0) {
465                  free_if_alloc (optfile);                  free_if_alloc (optfile);
466                  return 0; /* found two keyrings in the option file */                  return 0; /* found two keyrings in the option file */
467              }              }
# Line 443  gnupg_access_files (void) Line 477  gnupg_access_files (void)
477          rc = WPTERR_GPG_KEYRINGS;          rc = WPTERR_GPG_KEYRINGS;
478      }      }
479      return rc;      return rc;
480  } /* gnupg_access_files */  }
   
   
 static int  
 create_gpg_options (void)  
 {  
     FILE *fp;  
     char *s, *optfile;  
   
     s = get_gnupg_path( );  
     if( s == NULL )  
         return WPTERR_FILE_CREAT;  
     optfile = make_filename( s, GPG_CONF, NULL );  
     fp = fopen( optfile, "wb" );  
     if( fp == NULL ) {    
         return WPTERR_FILE_CREAT;  
         goto fail;  
     }  
     fwrite( options_skel, 1, strlen( options_skel ), fp );  
     fclose( fp );  
481    
 fail:  
     free_if_alloc( s );  
     free_if_alloc( optfile );  
     return 0;  
 } /* create_gpg_options */  
482    
483    
484  /*  /* Return the contents of the options file as a char buf. */
485   * Return the contents of the options file as a char buf.  char*
  */  
 char *  
486  get_gnupg_config (void)  get_gnupg_config (void)
487  {  {
488      FILE * fp;      FILE *fp;
489      char * p = NULL, * optfile = NULL;      char *p = NULL, *optfile;
490      int fsize, rc = 0;      int fsize;
491                    
492      optfile = get_gnupg_cfgfile ();      optfile = get_gnupg_cfgfile ();
493      if( optfile == NULL )      if (!optfile)
494          return NULL;          return NULL;
495      fsize = get_file_size( optfile );      fsize = get_file_size (optfile);
496      if( !fsize ) {      if (fsize < 1 || fsize > 100000)
497          rc = create_gpg_options( );          goto leave; /* too large or does not exist */
498          if ( rc )      
499              return NULL;      fp = fopen (optfile, "rb");
500          fsize = get_file_size( optfile );      if (!fp)
501      }          goto leave;
     if( fsize > 100000 )  
         goto leave; /* too large */  
502      p = new char[fsize+1];      p = new char[fsize+1];
503      if( p == NULL )      if (!p)
504          BUG( NULL );          BUG (NULL);
505      fp = fopen( optfile, "rb" );      fread (p, 1, fsize, fp);
506      if( fp == NULL ) {      fclose (fp);
         free_if_alloc( p );  
         return NULL;  
     }  
     fread( p, 1, fsize, fp );  
     fclose( fp );  
507      p[fsize] = '\0';      p[fsize] = '\0';
508      free_if_alloc( optfile );      
   
509  leave:  leave:
510        free_if_alloc (optfile);
511      return p;      return p;
512  } /* get_gnupg_config */  }
513    
514    
515    /* Set the default key in the gpg.conf.
516       If @key is NULL, the entry will be deleted. */
517  int  int
518  set_gnupg_default_key (const char * key)  set_gnupg_default_key (const char *key)
519  {  {
520      gpg_optfile_t opt;      config_file_t opt;
521      gpg_option_t e;      conf_option_t e;
522      char *optfile = NULL;      char *optfile = NULL;
523      int rc = 0;      int rc = 0;
524    
525      optfile = get_gnupg_cfgfile ();      optfile = get_gnupg_cfgfile ();
526      if (!optfile)      if (!optfile)
527          return -1;          return WPTERR_FILE_OPEN;
528      rc = parse_gpg_options (optfile, &opt);      rc = parse_config (optfile, &opt);
529      if( rc ) {      if (rc) {
530          free_if_alloc (optfile);          free_if_alloc (optfile);
531          return -1;          return WPTERR_GENERAL;
532      }      }
533      e = find_option (opt, "default-key");      e = conf_find_option (opt, "default-key");
534      if (e) {      if (e && !key)
535            e->used = 0;
536        else if (e) {
537          free_if_alloc (e->val);          free_if_alloc (e->val);
538          e->val = m_strdup (key);          e->val = m_strdup (key);
539          e->used = 1;          e->used = 1;
540      }      }
541      else      else if (key)
542          add_entry (opt, ENTRY_MULTI, "default-key", key);          conf_add_entry (opt, ENTRY_MULTI, "default-key", key);
543      rc = commit_gpg_options (optfile, opt);      rc = commit_config (optfile, opt);
544    
545      free_if_alloc (optfile);      free_if_alloc (optfile);
546      release_gpg_options (opt);      release_config (opt);
   
547      return rc;      return rc;
548  } /* set_gnupg_default_key */  }
549    
550    
551  /*  /* Set the contents of the options file. */
  * Set the contents of the options file.  
  */  
552  int  int
553  set_gnupg_options( const char *buf, size_t buflen )  set_gnupg_options (const char *buf, size_t buflen)
554  {  {
555      FILE *fp;        FILE *fp;  
556      char *optfile = NULL;      char *optfile;
557    
558      optfile = get_gnupg_cfgfile( );      optfile = get_gnupg_cfgfile ();
559      if( optfile == NULL )      if (!optfile)
560          return WPTERR_FILE_CREAT;          return WPTERR_FILE_CREAT;
561    
562      fp = fopen( optfile, "wb" );      fp = fopen (optfile, "wb");
563      if( fp == NULL ) {      if (!fp) {
564          free_if_alloc( optfile );          free_if_alloc (optfile);
565          return WPTERR_FILE_CREAT;          return WPTERR_FILE_CREAT;
566      }      }
567      fwrite( buf, 1, buflen, fp );      fwrite (buf, 1, buflen, fp);
568      fclose( fp );      fclose (fp);
569      free_if_alloc( optfile );      free_if_alloc (optfile);
570      return 0;      return 0;
571  } /* set_gnupg_options */  }
572    
573  /*  
574   * Check if the line contains a valid GPG argument.  /* Check if the parameter for the option @buf is an existing file name.
575   */     Return value: 0 on success. */
576  static int  static int
577  check_line( const char *buf )  check_arg_file_exist (const char *buf)
578    {
579        const char *s = "load-extension ";
580    
581        /* XXX: this is a bit of a kludge because we just
582                detect errors for 'load-extension'. */
583        if (!strncmp (buf, s, strlen (s)))
584            buf += strlen (s);
585        else
586            return 0;
587        return file_exist_check (buf);
588    }
589    
590    
591    /* Check if the line contains a valid GPG argument. */
592    static int
593    check_line (const char *buf)
594  {  {
595      int j, len;      int j, len;
596      int rc = 0;      int rc = 0;
597    
598      if( *buf == '#' || *buf == '\r' || *buf == '\n' )      if (*buf == '#' || *buf == '\r' || *buf == '\n')
599          return 1;          return 1;
600      rc = 0;      for (j = 0; valid_gpg_args[j]; j++) {
601      for ( j = 0; valid_gpg_args[j]; j++ ) {          len = strlen (valid_gpg_args[j]);
602          len = strlen( valid_gpg_args[j] );          if (!strncmp (valid_gpg_args[j], buf, len))
603          if( !strncmp( valid_gpg_args[j], buf, len ) )              rc = 1;
             rc = 1;      
604      }      }
   
605      return rc;      return rc;
606  } /* check_line */  }
607    
608    
609  int  int
610  check_gnupg_options( const char *buf )  check_gnupg_options (const char *buf, int showerr)
611  {  {
612      char line[1024];      char line[1024];
613      int nbytes = 0;      int nbytes = 0, lineno=0;
614      unsigned j;      unsigned j;
615                    
616      for ( j = 0; j<strlen( buf ) && j < sizeof(line); j++ ) {      for  (j = 0; j < strlen (buf) && j < DIM (line); j++) {
617          line[nbytes++] = buf[j];          line[nbytes++] = buf[j];
618          if ( buf[j] == '\n' || j == ( strlen( buf ) - 1 ) ) {          if (buf[j] == '\n' || j == (strlen (buf) - 1)) {
619              line[nbytes] = '\0';              line[nbytes] = '\0';
620              if( !check_line( line ) ) {              lineno++;
621                  msg_box( NULL, line, "options", MB_OK );              if (!check_line (line)) {
622                    if (showerr)
623                        log_box ("GPG Config File", MB_ERR,
624                                 "gpg.conf:%d: invalid keyword '%s'",
625                                 lineno, line);
626                  return 1;                        return 1;      
627              }              }
628                if (check_arg_file_exist (line))
629                    return WPTERR_FILE_EXIST;
630              nbytes = 0;              nbytes = 0;
631          }                }
632      }      }
   
633      return 0;      return 0;
634  } /* check_gnupg_options */  }
635    
636    
637  /* Store the last access of the file inside the watcher @ctx. */  /* Store the last access of the file inside the watcher @ctx. */
638  static int  static int
639  get_last_gnupg_access (gpg_watcher_s *ctx)  get_last_gnupg_access (gpg_monitor_t ctx)
640  {  {    
641      HANDLE fd;      HANDLE fd = CreateFile (ctx->fpath_object, GENERIC_READ, FILE_SHARE_READ,
642      char *path;                              NULL, OPEN_EXISTING, 0, NULL);
643      char *file;      if (fd == INVALID_HANDLE_VALUE)
   
     path = get_gnupg_path ();  
     file =  make_filename (path, ctx->object, NULL);  
     fd = CreateFile (file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, 0, NULL);  
     if (fd == INVALID_HANDLE_VALUE) {  
         free_if_alloc (path);  
         free_if_alloc (file);  
644          return WPTERR_FILE_OPEN;          return WPTERR_FILE_OPEN;
     }  
645      GetFileTime (fd, NULL, NULL, &ctx->access);      GetFileTime (fd, NULL, NULL, &ctx->access);
646      CloseHandle (fd);      CloseHandle (fd);
     free_if_alloc (path);  
     free_if_alloc (file);  
647      return 0;      return 0;
648  }  }
649    
650    
651  /* Check if the file inside watcher @ctx was modified. */  /* Check if the file inside watcher @ctx was modified. */
652  static void  static void
653  check_last_gnupg_access (gpg_watcher_s *ctx)  check_last_gnupg_access (gpg_monitor_t ctx)
654  {                {              
655      ctx->modified = 0;      ctx->modified = 0;
656    
# Line 647  check_last_gnupg_access (gpg_watcher_s * Line 658  check_last_gnupg_access (gpg_watcher_s *
658          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)
659          ctx->modified = 1;          ctx->modified = 1;
660    
661        if (ctx->last_access.dwLowDateTime == 0)
662            ctx->modified = 0;
663    
664      ctx->last_access.dwLowDateTime = ctx->access.dwLowDateTime;      ctx->last_access.dwLowDateTime = ctx->access.dwLowDateTime;
665      ctx->last_access.dwHighDateTime = ctx->access.dwHighDateTime;      ctx->last_access.dwHighDateTime = ctx->access.dwHighDateTime;
666  }  }
667    
668    
669  /* Init GPG watcher table for all monitored files. */  /* Init GPG monitor table for all monitored files. */
670  void  void
671  init_gnupg_table (void)  init_gnupg_table (void)
672  {        {      
673      char *p;      char *path = get_gnupg_path ();
674      int j;      for (int j = 0; j < gpg_table_count; j++) {
675            gpg_table[j].object = m_strdup (gpg_objs[j]);
676      for (j = 0; j < gpg_table_count; j++) {          gpg_table[j].fpath_object = make_filename (path, gpg_objs[j], NULL);
         p = gpg_table[j].object = m_strdup (gpg_objs[j]);  
         if (!p)  
             BUG (NULL);  
677          memset (&gpg_table[j].access, 0, sizeof (FILETIME));          memset (&gpg_table[j].access, 0, sizeof (FILETIME));
678          memset (&gpg_table[j].last_access, 0, sizeof (FILETIME));          memset (&gpg_table[j].last_access, 0, sizeof (FILETIME));
679          gpg_table[j].modified = 0;          gpg_table[j].modified = 0;
680      }      }
681        free_if_alloc (path);
682  }  }
683    
684    
685    /* Release the GPG monitor table. */
686  void  void
687  free_gnupg_table (void)  free_gnupg_table (void)
688  {  {
689      int j;      for (int j = 0; j < gpg_table_count; j++) {
   
     for (j=0; j < gpg_table_count; j++)  
690          free_if_alloc (gpg_table[j].object);          free_if_alloc (gpg_table[j].object);
691            free_if_alloc (gpg_table[j].fpath_object);
692        }
693  }  }
694    
695    
696  /* Return the amount of files modified since the last call. */  /* Return the amount of files modified since the last call. */
697  int  int
698  keyring_check_last_access (void)  keyring_check_last_access (void)
699  {        {
700      int rc, j;      int nfiles = 0;
701        for (int pos = 0; pos < gpg_table_count; pos++) {
702      rc = 0;          get_last_gnupg_access (&gpg_table[pos]);
703      for (j = 0; j < gpg_table_count; j++) {          check_last_gnupg_access (&gpg_table[pos]);
704          get_last_gnupg_access (&gpg_table[j]);          if (gpg_table[pos].modified)
705          check_last_gnupg_access (&gpg_table[j]);              nfiles++;
         if (gpg_table[j].modified)  
             rc++;        
706      }      }
707    
708      return rc;      return nfiles;
709  }  }
710    
711    
# Line 717  gnupg_check_file_ext (const char *fname, Line 728  gnupg_check_file_ext (const char *fname,
728              *r_type = PGP_SIG;              *r_type = PGP_SIG;
729          return "SIGNED";          return "SIGNED";
730      }      }
731      else if  (!stricmp (file_ext, ".gpg") || !stricmp (file_ext, ".pgp")) {      else if  (!stricmp (file_ext, ".gpg") ||
732                  !stricmp (file_ext, ".pgp")) {
733          if (r_type)          if (r_type)
734              *r_type = PGP_MESSAGE;              *r_type = PGP_MESSAGE;
735          return "ENCRYPTED";          return "ENCRYPTED";
# Line 726  gnupg_check_file_ext (const char *fname, Line 738  gnupg_check_file_ext (const char *fname,
738  }  }
739    
740    
741  char*  /* Check if the device where file @fname is stored on, is write-protected. */
 get_gnupg_keyring_from_options (const char * fname, int pub)  
 {  
     gpg_optfile_t opt;  
     gpg_option_t e;  
     char * kring = NULL;  
     int rc = 0;  
   
     rc = parse_gpg_options (fname, &opt);  
     if (rc)  
         return NULL;  
     if (pub)  
         e = find_option (opt, "keyring");  
     else  
         e = find_option (opt, "secret-keyring");  
     if (e)  
         kring = m_strdup (e->val);  
     release_gpg_options (opt);  
   
     return kring;  
 }  
   
   
   
 /* XXX: does not work with write-protected floppies */  
742  static int  static int
743  my_access (const char * fname)  check_file_access (const char *fname, int mode)
744  {  {
745      HANDLE hd;      if (!mode)
746      hd = CreateFile (fname, GENERIC_WRITE, FILE_SHARE_WRITE,          mode = FILE_SHARE_WRITE;
747                       NULL, OPEN_EXISTING, 0, NULL);      HANDLE hd = CreateFile (fname, GENERIC_WRITE, mode,
748                                NULL, OPEN_EXISTING, 0, NULL);
749      if (hd == INVALID_HANDLE_VALUE)      if (hd == INVALID_HANDLE_VALUE)
750          return -1;          return -1;
751      CloseHandle (hd);      CloseHandle (hd);
752      return 0;      return 0;
753  }  }
754    
755        
756    /* Check the device where the file @fname is stored on, is either
757       write-protected or if the file is already opened by another process
758       exclusively. And as a result, we cannot use the file for output. */
759    int
760    gpg_check_file_permissions (const char *fname, int mode)
761    {
762        int api_mode;
763        
764        switch (mode) {
765        case 0: api_mode = FILE_SHARE_READ; break;
766        case 1: api_mode = FILE_SHARE_WRITE; break;
767        case 2: api_mode = FILE_SHARE_WRITE|FILE_SHARE_READ; break;
768        default: api_mode = FILE_SHARE_READ; break;
769        }
770    
771        return check_file_access (fname, api_mode);
772    }
773    
774    
775    /* Check the file permissions of the public keyring.
776       If @showmsg is 1 output a message in case of errors.
777       Return value: 1 if read-only attribute
778                     2 if file is opened by another process exclusively. */
779  int  int
780  gpg_check_permissions (int showmsg)  gpg_check_permissions (int showmsg)
781  {  {
782      char * p, * name = NULL;      char *p = NULL;
783        char *name = NULL;
784      int failed = 0, ans=0, attrs=0;      int failed = 0, ans=0, attrs=0;
785    
786      p = get_gnupg_path ();      p = get_gnupg_path ();
787      check_keyring (&p);      if (p && check_keyring (&p)) {
     if (p) {  
788          name = make_filename (p, "pubring", "gpg");          name = make_filename (p, "pubring", "gpg");
         free_if_alloc (p);  
789          if ((attrs=GetFileAttributes (name)) & FILE_ATTRIBUTE_READONLY) {          if ((attrs=GetFileAttributes (name)) & FILE_ATTRIBUTE_READONLY) {
790              ans = msg_box (NULL,              ans = msg_box (NULL,
791                             _("The selected keyring has the read-only file\n"                             _("The selected keyring has the read-only file\n"
# Line 790  gpg_check_permissions (int showmsg) Line 801  gpg_check_permissions (int showmsg)
801                  }                  }
802              }              }
803              else if (ans == IDNO) {              else if (ans == IDNO) {
804                  /*                  /* All commands with write access will be disabled. */
                 msg_box (NULL, _("All commands with write access to the keyring\n"  
                                  "will be disabled."), _("GPG Information"), MB_INFO);  
                 */  
805                  failed = 1;                  failed = 1;
806              }              }
807          }          }
808          if (my_access (name)) {          if (gpg_check_file_permissions (name, 1)) {
809              if (showmsg)              if (showmsg)
810                  msg_box (NULL,                  msg_box (NULL,
811                  _("You do not have file access to modify the contents of\n"                  _("You do not have file access to modify the contents of\n"
# Line 809  gpg_check_permissions (int showmsg) Line 817  gpg_check_permissions (int showmsg)
817              failed = 2;              failed = 2;
818          }          }
819      }      }
820        free_if_alloc (p);
821      free_if_alloc (name);      free_if_alloc (name);
822      return failed;      return failed;
823  } /* gpg_check_permissions */  }
824    
825    
826  /* Check the GPG home dir. If all methods failed, try to  /* Check the GPG home dir. First try to read the 'HomeDir' registry entry,
827     create the default folder. */     then check for $APPDATA\gnupg. Create the dir if it does not exists. */
828  static int  int
829  check_homedir (void)  gnupg_check_homedir (void)
830  {        {      
831      char *homedir = NULL;      char *homedir;
832      int yes = 0;      int val;
833        int rc = 0;
834    
835      homedir = get_reg_entry_gpg ("HomeDir");      homedir = get_reg_entry_gpg (GPG_REG_HOME);
836      if (!homedir)      if (!homedir)
837          homedir = multi_gnupg_path ();          homedir = multi_gnupg_path (0);
     if (!homedir)  
         homedir = m_strdup ("c:\\gnupg");  
838      if (homedir) {      if (homedir) {
839          if (GetFileAttributes (homedir) == 0xFFFFFFFF) {          if (GetFileAttributes (homedir) == 0xFFFFFFFF) {
840              yes = log_box (_("Preferences"), MB_YESNO,              val = log_box (_("Preferences"), MB_YESNO,
841                             _("%s does not exit.\n"                             _("%s does not exit.\n"
842                               "Do you want to create this directory?"), homedir);                               "Do you want to create this directory?"), homedir);
843              if (yes == IDYES) {              if (val == IDYES) {
844                  BOOL ec = CreateDirectory (homedir, NULL);                  if (!CreateDirectory (homedir, NULL))
845                  free_if_alloc (homedir);                      rc = WPTERR_DIR_CREAT;
                 if (ec == FALSE)  
                     return WPTERR_DIR_CREAT;  
                 return 0;  
846              }              }
847              return WPTERR_DIR_OPEN;              else
848                    rc = WPTERR_DIR_OPEN;
849          }          }
850          free_if_alloc (homedir);          free_if_alloc (homedir);
851      }      }
852      return 0;      return rc;
853  }  }
854    
855    
856  int  int
857  gnupg_check_homedir (void)  gnupg_import_keypair (void)
858  {        {
859      char *homedir = NULL;      const char *file;
860      char *prog = NULL;      gpgme_error_t err;
861      int rc = 0, ec = 0;      GPGME gpgme;
862            HWND hwnd = GetDesktopWindow ();
863      rc = check_homedir ();  
864      if (rc)      file = get_fileopen_dlg (hwnd, _("Please choose your Key Pair"),
865          return rc;                               "GPG Key File (*.gpg)\0*.gpg\0"
866      if ((homedir = get_reg_entry_gpg ("HomeDir")) &&                               "GPG Armored Key File (*.asc)\0*.asc\0\0",
867          !(prog = get_reg_entry_gpg ("gpgProgram" ))) {                               NULL);
868          prog = make_filename (homedir, "gpg", "exe");      if (file == NULL)
869          if (file_exist_check (prog) == 0) {          return WPTERR_FILE_OPEN;
870              rc = set_reg_entry_gpg ("gpgProgram", prog);      err = gpgme.importFromFile (file);
871              if (rc)      if (err)
872                  goto fail;          msg_box (hwnd, gpgme_strerror (err), _("WinPT Error"), MB_ERR);
873          }      else
874          free_if_alloc (homedir);          msg_box (hwnd, _("Key pair successfully imported."), "WinPT", MB_OK);
875          free_if_alloc (prog);      return 0;
876          return rc;  }
     }  
     if ((prog = get_reg_entry_gpg ("gpgProgram"))  
         && file_exist_check (prog)) {  
         free_if_alloc (prog);  
         homedir = get_reg_entry_gpg ("HomeDir");  
         if (!homedir) {  
             rc = WPTERR_GENERAL;  
             goto fail;  
         }  
         prog = make_filename (homedir, "gpg", "exe");  
         if (file_exist_check (prog) == 0) {  
             rc = set_reg_entry_gpg ("gpgProgram", prog);  
             if (rc)  
                 goto fail;  
             free_if_alloc (prog);  
             return rc;  
         }  
     }  
       
     /* Change the return code if homedir doesn't exist or if the program  
        doesn't exist. Note that exist_checks return 0 to suggest existance. */  
     if ((!homedir || dir_exist_check (homedir)))  
         rc = WPTERR_GENERAL;  
       
 fail:  
     free_if_alloc (homedir);  
     free_if_alloc (prog);  
     return rc;  
 } /* gnupg_check_homedir */  
   
877    
878  int  int
879  gnupg_copy_keyrings (void)  gnupg_copy_keyrings (void)
880  {  {
881      const char * pring, * sring;      const char *pring, *sring;
882      char * file = NULL, * path = NULL;      char *file = NULL, *path;
883      int id = 0, rc = 0;      int id, rc = 0;
884      HWND hwnd;      HWND hwnd;
885            
886      path = get_gnupg_path ();      path = get_gnupg_path ();
# Line 912  gnupg_copy_keyrings (void) Line 888  gnupg_copy_keyrings (void)
888          return WPTERR_GENERAL;          return WPTERR_GENERAL;
889      hwnd = GetDesktopWindow ();      hwnd = GetDesktopWindow ();
890    
891      pring = get_filename_dlg (hwnd, FILE_OPEN, _("Please choose your public keyring"),      pring = get_fileopen_dlg (hwnd, _("Please choose your Public Keyring"),
892                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),NULL);                                "GPG Keyrings (*.gpg)\0*.gpg\0\0", NULL);
893      if (!pring) {      if (!pring) {
894          msg_box (hwnd, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR);          msg_box (hwnd, _("No keyring was chosen. Exit."),
895                     _("WinPT Error"), MB_ERR);
896          free_if_alloc (path);          free_if_alloc (path);
897          return WPTERR_GENERAL;          return WPTERR_GENERAL;
898      }      }
899      file = make_filename (path, "pubring", "gpg");      file = make_filename (path, "pubring", "gpg");
900      if (file_exist_check (file) == 0) {      if (file_exist_check (file) == 0) {
901          id = msg_box (hwnd, _("Overwrite old public keyring?"), "WinPT", MB_INFO|MB_YESNO);          id = msg_box (hwnd, _("Overwrite old public keyring?"),
902                          "WinPT", MB_INFO|MB_YESNO);
903          if (id == IDNO)          if (id == IDNO)
904              goto fail;              goto fail;
905      }      }
906      if (!CopyFile (pring, file, FALSE)) {      if (!CopyFile (pring, file, FALSE)) {
907          msg_box (hwnd, _("Could not copy file."), _("WinPT Error"), MB_ERR);          msg_box (hwnd, _("Could not copy public keyring."),
908                     _("WinPT Error"), MB_ERR);
909          rc = WPTERR_FILE_READ;          rc = WPTERR_FILE_READ;
910          goto fail;          goto fail;
911      }      }
912      free_if_alloc (file);      free_if_alloc (file);
913    
914      sring = get_filename_dlg (hwnd, FILE_OPEN, _("Please choose your secret keyring"),      sring = get_fileopen_dlg (hwnd, _("Please choose your Secret Keyring"),
915                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"), NULL);                                "GPG Keyrings (*.gpg)\0*.gpg\0\0", NULL);
916      if (!sring) {      if (!sring) {
917          msg_box( NULL, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR );          msg_box (NULL, _("No keyring was chosen. Exit."),
918                     _("WinPT Error"), MB_ERR);
919          return WPTERR_GENERAL;          return WPTERR_GENERAL;
920      }      }
921      file = make_filename (path, "secring", "gpg");      file = make_filename (path, "secring", "gpg");
922      if (file_exist_check (file) == 0) {      if (file_exist_check (file) == 0) {
923          id = msg_box (hwnd, _("Overwrite old secret keyring?"), "WinPT", MB_INFO|MB_YESNO);          id = msg_box (hwnd, _("Overwrite old secret keyring?"),
924          if( id == IDNO )                        "WinPT", MB_INFO|MB_YESNO);
925            if (id == IDNO)
926              goto fail;              goto fail;
927      }      }
928      if (!CopyFile (sring, file, FALSE)) {      if (!CopyFile (sring, file, FALSE)) {
929          msg_box( NULL, _("Could not copy file."), _("WinPT Error"), MB_ERR);          msg_box (NULL, _("Could not copy secret keyring."), _("WinPT Error"), MB_ERR);
930          rc = WPTERR_FILE_READ;          rc = WPTERR_FILE_READ;
931      }      }
932    
# Line 953  fail: Line 934  fail:
934      free_if_alloc (file);      free_if_alloc (file);
935      free_if_alloc (path);      free_if_alloc (path);
936      return rc;      return rc;
937  } /* gnupg_import_keyrings */  }
938    
939    
940    /* Backup the gpg.conf file. */
941  void  void
942  gnupg_backup_options (void)  gnupg_backup_options (void)
943  {  {
944      char *cfgfile = NULL;      char bak[MAX_PATH+32];
     char bak[512];  
945    
946      cfgfile = get_gnupg_cfgfile ();      char *cfgfile = get_gnupg_cfgfile ();
947      if (cfgfile == NULL)      if (!cfgfile)
948          return;          return;
949      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);
950      CopyFile (cfgfile, bak, FALSE);      CopyFile (cfgfile, bak, FALSE);
951      free_if_alloc (cfgfile);      free_if_alloc (cfgfile);
952  } /* gnupg_backup_options */  }
   
953    
954    
955  static int  static int
956  backup_one_file (const char *srcpath, const char *srcn,  backup_one_file (const char *srcpath, const char *srcn,
957                   const char *dstpath, const char *dstn)                   const char *dstpath, const char *dstn)
958  {  {
959      char * src, * dst;      char *src, *dst;
960      BOOL rc;      BOOL rc;
961    
962      src = make_filename (srcpath, srcn, "gpg");      src = make_filename (srcpath, srcn, "gpg");
     if (!src)  
         BUG (NULL);  
963      dst = make_filename (dstpath, dstn, "gpg");      dst = make_filename (dstpath, dstn, "gpg");
     if (!dst)  
         BUG (NULL);  
964      rc = CopyFile (src, dst, FALSE);      rc = CopyFile (src, dst, FALSE);
965      free_if_alloc (src);      free_if_alloc (src);
966      free_if_alloc (dst);      free_if_alloc (dst);
967      if (!rc)      if (!rc) {
     {  
968          log_box (_("Backup"), MB_ERR, _("Backup keyring \"%s\" failed"), srcn);          log_box (_("Backup"), MB_ERR, _("Backup keyring \"%s\" failed"), srcn);
969          return WPTERR_GENERAL;          return WPTERR_GENERAL;
970      }      }
971      return 0;      return 0;
972  } /* backup_one_file */  }
973    
974    
975    /* Figure out first public keyring which is not empty.
976       Return value: 1 on success. */
977  static int  static int
978  check_keyring (char ** r_path)  check_keyring (char **r_path)
979  {  {
980      char * p;      char *p;
981      char * opt, * name;      char *opt;
982        char *name;
983    
984      if (!*r_path)      if (!*r_path)
985          return 0;          return 0;
986      p = make_filename (*r_path, "pubring", "gpg");      p = make_filename (*r_path, "pubring", "gpg");
987      if (!p || get_file_size (p) > 0)      if (!p || get_file_size (p) < 1)
988          return 0;          return 0;
989    
990      opt = get_gnupg_cfgfile ();      opt = get_gnupg_cfgfile ();
991      if (!opt)      if (!opt)
992          BUG (0);          BUG (0);
993      name = get_gnupg_keyring_from_options (opt, 1);      name = get_keyring_from_conf (opt, 1);
994      free_if_alloc (opt);      free_if_alloc (opt);
995      free_if_alloc (p);      free_if_alloc (p);
996      if (!name)      if (!name)
997          return 0;          return 0;
998      p = strrchr (name, '\\');      p = strrchr (name, '\\');
999      if (!p)      if (!p) {
     {  
1000          free_if_alloc (name);          free_if_alloc (name);
1001          return 0;                return 0;      
1002      }      }
# Line 1032  check_keyring (char ** r_path) Line 1009  check_keyring (char ** r_path)
1009  }  }
1010    
1011    
1012    /* Return a temp name based on the day of the week. */
1013  static char*  static char*
1014  get_backup_name (const char *templ)  get_backup_name (const char *templ)
1015  {  {
1016      struct tm *tm;      struct tm *tm;
1017        const char *fmt;
1018      char *p;      char *p;
1019        time_t t;
1020    
1021      time_t t = time (NULL);      t = time (NULL);
1022      tm = localtime (&t);      tm = localtime (&t);
1023      p = new char [strlen (templ) + 8 + 1];      fmt = "%s-%d";
1024        p = new char [strlen (templ) + strlen (fmt) + 8 + 1];
1025      if (!p)      if (!p)
1026          BUG (0);          BUG (0);
1027      sprintf (p, "%s-%d", templ, tm->tm_wday % 3);      sprintf (p, fmt, templ, tm->tm_wday % 3);
1028      return p;      return p;
1029  }  }
1030    
1031    
1032    /* Make backups of all keyrings. The public key ring is rotated like
1033       this pubring-%d.gpg.
1034       If @auto_backup is false, no action is performed.
1035       @include_secr indicated if the backup includes the secret keyring. */
1036  void  void
1037  gnupg_backup_keyrings (void)  gnupg_backup_keyrings (int auto_backup, int backup_mode, int include_secr)
1038  {  {
1039      char *srcpath = NULL, *dstpath = NULL;      char *srcpath, *dstpath;
1040      char *name=NULL;      char *name;
1041      int rc, bakmode=0;      int rc;
1042    
1043      if (!reg_prefs.auto_backup)      if (!auto_backup)
1044          return;          return;
1045      bakmode = reg_prefs.backup.mode;      srcpath = get_gnupg_path ();
     srcpath =  get_gnupg_path ();  
1046      check_keyring (&srcpath);      check_keyring (&srcpath);
1047      if (bakmode == 1) {      if (backup_mode == 1) {
1048            /* If the backup mode uses the home directory the source
1049               and destination folder will be the same. */
1050          dstpath = get_gnupg_path ();          dstpath = get_gnupg_path ();
1051          check_keyring (&dstpath);          check_keyring (&dstpath);
1052      }      }
1053      else if (bakmode == 2) {      else if (backup_mode == 2) {
1054          char * tmpfile;          char *tmpfile;
1055          FILE * fp;          FILE *fp;
1056    
1057          dstpath = m_strdup (reg_prefs.backup.path);          dstpath = m_strdup (reg_prefs.backup.path);
         if (!dstpath)  
             BUG (0);  
1058          tmpfile = make_filename (reg_prefs.backup.path, "test", "tmp");          tmpfile = make_filename (reg_prefs.backup.path, "test", "tmp");
1059          fp = fopen (tmpfile, "wb");          fp = fopen (tmpfile, "wb");
1060          if (!fp)          if (!fp)
1061              rc = log_box (_("Backup"), MB_WARN|MB_RETRYCANCEL,              rc = log_box (_("Backup"), MB_WARN|MB_RETRYCANCEL,
1062                            _("The backup drive '%s' does not seems to accessable.\n"                            _("The backup drive '%s' does not seems to be accessable.\n"
1063                              "Please insert/check the drive to continue."), dstpath);                              "Please insert/check the drive to continue."), dstpath);
1064          else {          else {
1065              rc = 0;              rc = 0;
1066              fclose (fp);              fclose (fp);
1067              unlink (tmpfile);              DeleteFile (tmpfile);
1068          }          }
1069          free_if_alloc (tmpfile);          free_if_alloc (tmpfile);
1070          if (!fp || rc == IDCANCEL)          if (!fp || rc == IDCANCEL) {
1071                free_if_alloc (dstpath);
1072                free_if_alloc (srcpath);
1073              return;              return;
1074            }
1075      }      }
1076      else {      else {
1077          log_box (_("Backup"), MB_ERR, _("Invalid backup mode %d"), bakmode);          log_box (_("Backup"), MB_ERR, _("Invalid backup mode %d"), backup_mode);
1078            free_if_alloc (srcpath);
1079          return;          return;
1080      }      }
1081      name = get_backup_name ("pubring-bak");      name = get_backup_name ("pubring-bak");
1082      rc = backup_one_file (srcpath, "pubring", dstpath, name);      rc = backup_one_file (srcpath, "pubring", dstpath, name);
1083      if (!rc)      if (!rc && include_secr)
1084          rc = backup_one_file (srcpath, "secring", dstpath, "secring-bak");          rc = backup_one_file (srcpath, "secring", dstpath, "secring-bak");
1085      free_if_alloc (name);      free_if_alloc (name);
1086      free_if_alloc (srcpath);      free_if_alloc (srcpath);
1087      free_if_alloc (dstpath);      free_if_alloc (dstpath);
 } /* gnupg_backup_keyrings */  
   
   
 /* Display GPG error from file if possible. */  
 void  
 gnupg_display_error (void)  
 {        
     char tmpath[512], * errstr;  
     size_t size = 0;  
     FILE * fp;  
   
     GetTempPath (sizeof tmpath - 32, (tmpath));  
     strcat (tmpath, "gpg_stderr");  
     size = get_file_size (tmpath);  
     if (file_exist_check (tmpath) || size <= 0)  
         return;  
     fp = fopen( tmpath, "rb" );  
     if (!fp) {  
         msg_box( NULL, _("No GPG error description available."), _("GPG Error"), MB_INFO );  
         return;  
     }  
     errstr = new char[size+1];  
     if (!errstr)  
         BUG (0);  
     fread (errstr, 1, size, fp);  
     errstr[size] = '\0';  
     fclose (fp);  
     msg_box (NULL, errstr, _("GPG Error"), MB_INFO);  
     free_if_alloc (errstr);  
1088  }  }
1089    
1090    
   
1091  /* check that the requested GPG keyring exist and.  /* check that the requested GPG keyring exist and.
1092     Return value: 0 for success. */     Return value: 0 for success. */
1093  int  int
Legend:
Removed from v.42  
changed lines
  Added in v.409
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26