/[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 248 by twoaday, Fri Jul 28 11:11:09 2006 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) 2001-2006 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>
# Line 30  Line 26 
26  #include <time.h>  #include <time.h>
27    
28  #include "wptGPG.h"  #include "wptGPG.h"
29  #include "wptGpgCmds.h"  #include "wptGPGME.h"
30  #include "wptGPGOptSkel.h"  #include "wptGPGCmds.h"
31  #include "wptTypes.h"  #include "wptTypes.h"
32  #include "wptNLS.h"  #include "wptNLS.h"
33  #include "wptRegistry.h"  #include "wptRegistry.h"
# Line 43  Line 39 
39  #define GPG_REG_EXE     "gpgProgram"    /* registry name for the binary. */  #define GPG_REG_EXE     "gpgProgram"    /* registry name for the binary. */
40  #define GPG_REG_HOME    "HomeDir"       /* registry name of the home dir. */  #define GPG_REG_HOME    "HomeDir"       /* registry name of the home dir. */
41    
42  struct gpg_watcher_s {  /* Context to monitor GPG file changes. */
43      FILETIME    last_access;  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    
# Line 65  static int check_keyring (char ** r_path Line 63  static int check_keyring (char ** r_path
63  char*  char*
64  multi_gnupg_path (int strict)  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",
     if (ec != 1) {  
         log_debug ("multi_gnupg_path: SHGetSpecialFolderPath() failed\r\n",  
72                     (int)GetLastError ());                     (int)GetLastError ());
73          return NULL;          return NULL;
74      }      }
# Line 89  multi_gnupg_path (int strict) Line 84  multi_gnupg_path (int strict)
84  char*  char*
85  get_gnupg_path (void)  get_gnupg_path (void)
86  {  {
87      char *path;      char *path = get_reg_entry_gpg (GPG_REG_HOME);
   
     path = get_reg_entry_gpg (GPG_REG_HOME);  
88      if (path && dir_exist_check (path) == 0)      if (path && dir_exist_check (path) == 0)
89          return path;          return path;
90      free_if_alloc (path);      free_if_alloc (path);
91      path = multi_gnupg_path (1);      return multi_gnupg_path (1);
     return path;  
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;      char *path = get_gnupg_path ();
     char *optfile = NULL;  
     char *path = NULL;  
     size_t nlen = 0;  
   
     path = get_gnupg_path ();  
101      if (!path)      if (!path)
102          return NULL;          return NULL;
103      nlen = strlen (path) + 64;      char *optfile = make_filename (path, GPG_CONF, NULL);
     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)
# Line 146  get_gnupg_keyring (int pub, int strict) Line 149  get_gnupg_keyring (int pub, int strict)
149          free_if_alloc (path);          free_if_alloc (path);
150          return keyring;          return keyring;
151      }      }
152      if (file_exist_check (keyring) || pub && get_file_size (keyring) == 0) {      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_prog (void) Line 178  get_gnupg_prog (void)
178      if (!path)      if (!path)
179          return NULL;              return NULL;    
180      pgm = make_filename (path, "gpg", "exe");      pgm = make_filename (path, "gpg", "exe");
181      free_if_alloc (path);          free_if_alloc (path);
182      return pgm;      return pgm;
183  }  }
184    
# Line 181  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      gpgme_key_t key, pk;      gpgme_key_t key, pk;
# Line 211  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;
     gpg_optfile_t opt;  
     gpg_option_t o;  
221      char *conf;      char *conf;
222        int rc = 0;
223            
224      conf = get_gnupg_cfgfile ();      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      }      }
231      o = find_option (opt, "ask-cert-level");      free_if_alloc (conf);
232      if (o)      if (conf_find_option (opt, "ask-cert-level"))
233          reg_prefs.gpg.ask_cert_level = 1;          reg_prefs.gpg.ask_cert_level = 1;
234      o = find_option (opt, "ask-cert-expire");      if (conf_find_option (opt, "ask-cert-expire"))
     if (o)  
235          reg_prefs.gpg.ask_cert_expire = 1;          reg_prefs.gpg.ask_cert_expire = 1;
236      release_gpg_options (opt);      /* The 'textmode' option for GPG is useful for text files
237      free_if_alloc (conf);         but it breaks the output of any binary data. Thus we return
238      return 0;         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    
# Line 243  extract_keyid (const char *val) Line 250  extract_keyid (const char *val)
250  {      {    
251      size_t len = strlen (val);      size_t len = strlen (val);
252    
253      if (len > 1 && val[len-1] == '!') {      if (len > 1 && val[len-1] == '!')
254          char *p = new char[len+1];          return substr (val, 0, len-1);
         if (!p)  
             BUG (0);  
         memset (p, 0, len+1);  
         memcpy (p, val, len-1);  
         return p;  
     }  
255      return m_strdup (val);      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)) {
     if (rc) {  
273          free_if_alloc (optfile);          free_if_alloc (optfile);
274          return default_key_from_cache (&no_usable);          return default_key_from_cache (&no_usable);
275      }      }
276      e = find_option (opt, "default-key");      /* First we search for config entries which specify a default key. */
277        e = conf_find_option (opt, "default-key");
278      if (!e)      if (!e)
279          e = find_option (opt, "local-user");          e = conf_find_option (opt, "local-user");
280      if (e)      if (e)
281          keyid = extract_keyid (e->val);          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;
# Line 317  check_gnupg_prog (void) Line 323  check_gnupg_prog (void)
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 = atoi (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 = atoi (tmp);      if (pos != 3)
340      i=0;          return -1;  
     while (buf && isdigit (*buf) && i < 8)  
         tmp[i++] = *buf++;  
     tmp[i] = 0;  
     *patch = atoi (tmp);  
341      return 0;      return 0;
342  }  }
343    
# Line 347  int Line 349  int
349  check_gnupg_engine (const char *need_gpg_ver,  check_gnupg_engine (const char *need_gpg_ver,
350                      int *r_major, int *r_minor, int *r_patch)                      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;
# Line 359  check_gnupg_engine (const char *need_gpg Line 360  check_gnupg_engine (const char *need_gpg
360                            &need_major, &need_minor, &need_patch))                            &need_major, &need_minor, &need_patch))
361          return 1;          return 1;
362            
363      gpgme_new (&ctx);      if (gpgme_get_engine_info (&inf))
364      inf = gpgme_ctx_get_engine_info (ctx);       return -1;
     if (!inf) {  
         gpgme_release (ctx);  
         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          gpgme_release (ctx);       return -1;
         return -1;  
     }  
369      if (strstr (eng, "IDEA"))      if (strstr (eng, "IDEA"))
370          idea_available = 1;          idea_available = 1;
371      safe_free (eng);      safe_free (eng);
372      if (parse_version_nr (inf->version, &major, &minor, &patch)) {    
373          gpgme_release (ctx);      if (parse_version_nr (inf->version, &major, &minor, &patch))
374          return 1;          return 1;
     }  
     gpgme_release (ctx);  
375    
376      if (major > need_major)      if (major > need_major)
377          rc = 0;          rc = 0;
# Line 396  check_gnupg_engine (const char *need_gpg Line 389  check_gnupg_engine (const char *need_gpg
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;
399    
400      *r_secrings = 0;      *r_secrings = 0;
401      *r_pubrings = 0;      *r_pubrings = 0;
402    
403      if (parse_gpg_options (fname, &opt))      if (parse_config (fname, &opt))
404          return WPTERR_FILE_OPEN;          return WPTERR_FILE_OPEN;
405      for (e = opt->list; e; e = e->next) {      for (e = opt->list; e; e = e->next) {
406          if (!strcmp( e->name, "secret-keyring")) {          if (!strcmp (e->name, "secret-keyring")) {
407              if (!file_exist_check (e->val))              if (!file_exist_check (e->val))
408                  r_secrings[0]++;                  r_secrings[0]++;
409          }          }
# Line 417  check_gnupg_cfgfile (const char *fname, Line 412  check_gnupg_cfgfile (const char *fname,
412                  r_pubrings[0]++;                  r_pubrings[0]++;
413          }          }
414      }      }
415      release_gpg_options (opt);      release_config (opt);
416      return 0;      return 0;
417  }  }
418    
# Line 428  check_gnupg_cfgfile (const char *fname, Line 423  check_gnupg_cfgfile (const char *fname,
423  static void  static void
424  create_empty_keyring (int _pub)  create_empty_keyring (int _pub)
425  {  {
426      char *name;      char *name = get_gnupg_keyring (_pub, 0);
     FILE *fp;  
   
     name = get_gnupg_keyring (_pub, 0);  
427      if (name && file_exist_check (name) != 0) {      if (name && file_exist_check (name) != 0) {
428          fp = fopen (name, "ab");          FILE *fp = fopen (name, "ab");
429          if (fp != NULL)          if (fp != NULL)
430              fclose (fp);              fclose (fp);
431      }      }
# Line 468  gnupg_access_files (void) Line 460  gnupg_access_files (void)
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 > 0 && pubrings > 0) {              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 */
# Line 488  gnupg_access_files (void) Line 480  gnupg_access_files (void)
480  }  }
481    
482    
 static int  
 create_gpg_options (void)  
 {  
     FILE *fp;  
     char *s, *optfile;  
   
     s = get_gnupg_path ();  
     if (!s)  
         return WPTERR_FILE_CREAT;  
     optfile = make_filename (s, GPG_CONF, NULL);  
     fp = fopen (optfile, "wb");  
     if (!fp) {  
         return WPTERR_FILE_CREAT;  
         goto fail;  
     }  
     fwrite (options_skel, 1, strlen (options_skel), fp);  
     fclose (fp);  
   
 fail:  
     free_if_alloc (s);  
     free_if_alloc (optfile);  
     return 0;  
 }  
   
483    
484  /* Return the contents of the options file as a char buf. */  /* Return the contents of the options file as a char buf. */
485  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)      if (!p)
504          BUG (NULL);          BUG (NULL);
     fp = fopen( optfile, "rb" );  
     if (!fp) {  
         free_if_alloc (p);  
         return NULL;  
     }  
505      fread (p, 1, fsize, fp);      fread (p, 1, fsize, fp);
506      fclose (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  }  }
513    
# Line 556  leave: Line 517  leave:
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 WPTERR_FILE_OPEN;          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 WPTERR_GENERAL;          return WPTERR_GENERAL;
532      }      }
533      e = find_option (opt, "default-key");      e = conf_find_option (opt, "default-key");
534      if (e && !key)      if (e && !key)
535          e->used = 0;          e->used = 0;
536      else if (e) {      else if (e) {
# Line 578  set_gnupg_default_key (const char *key) Line 539  set_gnupg_default_key (const char *key)
539          e->used = 1;          e->used = 1;
540      }      }
541      else if (key)      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  }  }
549    
# Line 593  int Line 553  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)      if (!optfile)
# Line 611  set_gnupg_options (const char *buf, size Line 571  set_gnupg_options (const char *buf, size
571  }  }
572    
573    
574  /*  /* Check if the parameter for the option @buf is an existing file name.
575   * Check if the line contains a valid GPG argument.     Return value: 0 on success. */
576   */  static int
577    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  static int
593  check_line (const char *buf)  check_line (const char *buf)
594  {  {
# Line 622  check_line (const char *buf) Line 597  check_line (const char *buf)
597    
598      if (*buf == '#' || *buf == '\r' || *buf == '\n')      if (*buf == '#' || *buf == '\r' || *buf == '\n')
599          return 1;          return 1;
     rc = 0;  
600      for (j = 0; valid_gpg_args[j]; j++) {      for (j = 0; valid_gpg_args[j]; j++) {
601          len = strlen (valid_gpg_args[j]);          len = strlen (valid_gpg_args[j]);
602          if (!strncmp (valid_gpg_args[j], buf, len))          if (!strncmp (valid_gpg_args[j], buf, len))
603              rc = 1;              rc = 1;
604      }      }
   
605      return rc;      return rc;
606  }  }
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  }  }
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    
657      if (ctx->last_access.dwHighDateTime != ctx->access.dwHighDateTime &&      if (ctx->last_access.dwHighDateTime != ctx->access.dwHighDateTime &&
658          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)
659          ctx->modified = 1;          ctx->modified = 1;
660        
     /* XXX: find a better way. without it, winpt --keymanager loads  
             the key cache twice. */  
661      if (ctx->last_access.dwLowDateTime == 0)      if (ctx->last_access.dwLowDateTime == 0)
662          ctx->modified = 0;          ctx->modified = 0;
663    
# Line 701  check_last_gnupg_access (gpg_watcher_s * Line 666  check_last_gnupg_access (gpg_watcher_s *
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]);  
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 764  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 773  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.  /* Check the file permissions of the public keyring.
776     If @showmsg is 1 output a message in case of errors.     If @showmsg is 1 output a message in case of errors.
# Line 844  gpg_check_permissions (int showmsg) Line 805  gpg_check_permissions (int showmsg)
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 867  gpg_check_permissions (int showmsg) Line 828  gpg_check_permissions (int showmsg)
828  int  int
829  gnupg_check_homedir (void)  gnupg_check_homedir (void)
830  {        {      
831      char *homedir = NULL;      char *homedir;
832      int val = 0;      int val;
833      int rc = 0;      int rc = 0;
834    
835      homedir = get_reg_entry_gpg (GPG_REG_HOME);      homedir = get_reg_entry_gpg (GPG_REG_HOME);
# Line 893  gnupg_check_homedir (void) Line 854  gnupg_check_homedir (void)
854    
855    
856  int  int
857    gnupg_import_keypair (void)
858    {
859        const char *file;
860        gpgme_error_t err;
861        GPGME gpgme;
862        HWND hwnd = GetDesktopWindow ();
863    
864        file = get_fileopen_dlg (hwnd, _("Please choose your Key Pair"),
865                                 "GPG Key File (*.gpg)\0*.gpg\0"
866                                 "GPG Armored Key File (*.asc)\0*.asc\0\0",
867                                 NULL);
868        if (file == NULL)
869            return WPTERR_FILE_OPEN;
870        err = gpgme.importFromFile (file);
871        if (err)
872            msg_box (hwnd, gpgme_strerror (err), _("WinPT Error"), MB_ERR);
873        else
874            msg_box (hwnd, _("Key pair successfully imported."), "WinPT", MB_OK);
875        return 0;
876    }
877    
878    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 906  gnupg_copy_keyrings (void) Line 889  gnupg_copy_keyrings (void)
889      hwnd = GetDesktopWindow ();      hwnd = GetDesktopWindow ();
890    
891      pring = get_fileopen_dlg (hwnd, _("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."),          msg_box (hwnd, _("No keyring was chosen. Exit."),
895                   _("WinPT Error"), MB_ERR);                   _("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?"),          id = msg_box (hwnd, _("Overwrite old public keyring?"),
902                        "WinPT", MB_INFO|MB_YESNO);                        "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      }      }
# Line 942  gnupg_copy_keyrings (void) Line 926  gnupg_copy_keyrings (void)
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 957  fail: Line 941  fail:
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)      if (!cfgfile)
948          return;          return;
949      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);
# Line 977  backup_one_file (const char *srcpath, co Line 960  backup_one_file (const char *srcpath, co
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);
# Line 1005  check_keyring (char **r_path) Line 984  check_keyring (char **r_path)
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)
# Line 1035  static char* Line 1014  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;      time_t t;
1020    
1021      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    
# Line 1055  get_backup_name (const char *templ) Line 1036  get_backup_name (const char *templ)
1036  void  void
1037  gnupg_backup_keyrings (int auto_backup, int backup_mode, int include_secr)  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;      int rc;
1042    
1043      if (!auto_backup)      if (!auto_backup)
# Line 1064  gnupg_backup_keyrings (int auto_backup, Line 1045  gnupg_backup_keyrings (int auto_backup,
1045      srcpath = get_gnupg_path ();      srcpath = get_gnupg_path ();
1046      check_keyring (&srcpath);      check_keyring (&srcpath);
1047      if (backup_mode == 1) {      if (backup_mode == 1) {
1048          dstpath = multi_gnupg_path (1);          /* If the backup mode uses the home directory the source
1049               and destination folder will be the same. */
1050            dstpath = get_gnupg_path ();
1051          check_keyring (&dstpath);          check_keyring (&dstpath);
1052      }      }
1053      else if (backup_mode == 2) {      else if (backup_mode == 2) {
# Line 1081  gnupg_backup_keyrings (int auto_backup, Line 1064  gnupg_backup_keyrings (int auto_backup,
1064          else {          else {
1065              rc = 0;              rc = 0;
1066              fclose (fp);              fclose (fp);
1067              remove (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"), backup_mode);          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");
# Line 1101  gnupg_backup_keyrings (int auto_backup, Line 1088  gnupg_backup_keyrings (int auto_backup,
1088  }  }
1089    
1090    
 /* Display GPG error from file if possible. */  
 void  
 gnupg_display_error (void)  
 {        
     char tmpath[512], *errstr;  
     size_t size = 0;  
     FILE *fp;  
   
     get_temp_name (tmpath, sizeof (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);  
 }  
   
   
   
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.248  
changed lines
  Added in v.409
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26