/[winpt]/trunk/Src/wptGPG.cpp
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Diff of /trunk/Src/wptGPG.cpp

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revision 58 by werner, Wed Nov 2 13:36:03 2005 UTC revision 128 by twoaday, Mon Dec 19 13:05:59 2005 UTC
# Line 22  Line 22 
22  #endif  #endif
23    
24  #include <windows.h>  #include <windows.h>
 #include <shlobj.h>  
25  #include <string.h>  #include <string.h>
26  #include <stdio.h>  #include <stdio.h>
27  #include <shlobj.h>  #include <shlobj.h>
# Line 40  Line 39 
39  #include "wptW32API.h"  #include "wptW32API.h"
40  #include "wptCrypto.h"  #include "wptCrypto.h"
41    
42  #define GPG_CONF "gpg.conf"  #define GPG_CONF        "gpg.conf"
43    #define GPG_REG_EXE     "gpgProgram"    /* registry name for the binary. */
44    #define GPG_REG_HOME    "HomeDir"       /* registry name of the home dir. */
45    
46  struct gpg_watcher_s {  struct gpg_watcher_s {
47      FILETIME    last_access;      FILETIME    last_access;
# Line 61  static int check_keyring (char ** r_path Line 62  static int check_keyring (char ** r_path
62    
63    
64  /* Return the application data folder of the current user. */  /* Return the application data folder of the current user. */
65  static char*  char*
66  multi_gnupg_path (void)  multi_gnupg_path (int strict)
67  {  {
68      static char buf[256+64];      static char buf[256+64];
69      BOOL ec;      BOOL ec;
# Line 71  multi_gnupg_path (void) Line 72  multi_gnupg_path (void)
72      memset (buf, 0, sizeof (buf));      memset (buf, 0, sizeof (buf));
73      /* XXX: ec should be NOERROR (MSDN) but NOERROR is defined as '0' !? */      /* XXX: ec should be NOERROR (MSDN) but NOERROR is defined as '0' !? */
74      ec = SHGetSpecialFolderPath (HWND_DESKTOP, buf, CSIDL_APPDATA, TRUE);      ec = SHGetSpecialFolderPath (HWND_DESKTOP, buf, CSIDL_APPDATA, TRUE);
75      if (ec != 1)      if (ec != 1) {
76            log_debug ("multi_gnupg_path: SHGetSpecialFolderPath() failed\r\n",
77                       (int)GetLastError ());
78          return NULL;          return NULL;
79        }
80      strcat (buf, "\\gnupg");      strcat (buf, "\\gnupg");
81      if (access (buf, 00))      if (strict && access (buf, 00))
82          return NULL;          return NULL;
83      return m_strdup (buf);      return m_strdup (buf);
84  }  }
85    
86    
87  /* 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
88     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. */
 */  
89  char*  char*
90  get_gnupg_path (void)  get_gnupg_path (void)
91  {  {
92      char *p = NULL, *path = NULL;      char *path;
93        
94      p = get_reg_entry_gpg ("HomeDir");      path = get_reg_entry_gpg (GPG_REG_HOME);
95      if (p) {      if (path) {
96          path = m_strdup (p);          if (dir_exist_check (path) == 0)
97          free_if_alloc (p);              return path;
98          return path;          free_if_alloc (path);
99      }      }
100      else      path = multi_gnupg_path (1);
101          return multi_gnupg_path ();      return path;
     return m_strdup ("c:\\gnupg");  
102  }  }
103    
104    
# Line 105  get_gnupg_path (void) Line 107  get_gnupg_path (void)
107  char*  char*
108  get_gnupg_cfgfile (void)  get_gnupg_cfgfile (void)
109  {      {    
110      char *p = NULL, *optfile = NULL, *path = NULL;      char *p = NULL;
111        char *optfile = NULL;
112        char *path = NULL;
113      size_t nlen = 0;      size_t nlen = 0;
114    
115      path = get_gnupg_path ();      path = get_gnupg_path ();
# Line 156  get_gnupg_keyring (int pub, int strict) Line 160  get_gnupg_keyring (int pub, int strict)
160          free_if_alloc (path);          free_if_alloc (path);
161          return keyring;          return keyring;
162      }      }
163      if (file_exist_check (keyring) || get_file_size (keyring) == 0) {      if (file_exist_check (keyring) || pub && get_file_size (keyring) == 0) {
164          free_if_alloc (keyring);          free_if_alloc (keyring);
165          optfile = make_filename (path, GPG_CONF, NULL);          optfile = make_filename (path, GPG_CONF, NULL);
166          keyring = get_gnupg_keyring_from_options (optfile, pub);          keyring = get_gnupg_keyring_from_options (optfile, pub);
# Line 177  get_gnupg_prog (void) Line 181  get_gnupg_prog (void)
181  {      {    
182      char *p;      char *p;
183      char *pgm = NULL;      char *pgm = NULL;
     size_t nlen = 0;  
184    
185      p = get_reg_entry_gpg ("gpgProgram");      p = get_reg_entry_gpg (GPG_REG_EXE);
186      if (!p) {      if (!p) {
187          char *path = get_gnupg_path ();          char *path = get_gnupg_path ();
188          if (!path)          if (!path)
# Line 201  get_gnupg_prog (void) Line 204  get_gnupg_prog (void)
204  static char *  static char *
205  default_key_from_cache (int *ret_no_useable)  default_key_from_cache (int *ret_no_useable)
206  {  {
207      const char * s;      const char *s;
208      char * keyid = NULL;      char *keyid = NULL;
209      gpgme_key_t key;      gpgme_key_t key;
210      gpg_keycache_t sec = keycache_get_ctx (0);      gpg_keycache_t sec = keycache_get_ctx (0);
211    
# Line 217  default_key_from_cache (int *ret_no_usea Line 220  default_key_from_cache (int *ret_no_usea
220              break;              break;
221          }          }
222      }      }
223      if (!keyid) {      if (!keyid)
224          *ret_no_useable = 1;          *ret_no_useable = 1;
         msg_box (NULL, _("No useable secret key found."), _("GPG Error"), MB_ERR);  
     }  
225      return keyid;      return keyid;
226  }  }
227    
# Line 264  get_gnupg_default_key (void) Line 265  get_gnupg_default_key (void)
265          return default_key_from_cache (&no_usable);          return default_key_from_cache (&no_usable);
266      rc = parse_gpg_options (optfile, &opt);      rc = parse_gpg_options (optfile, &opt);
267      if (rc) {      if (rc) {
268          free_if_alloc( optfile );          free_if_alloc (optfile);
269          return default_key_from_cache( &no_usable );          return default_key_from_cache (&no_usable);
270      }      }
271      e = find_option( opt, "default-key" );      e = find_option( opt, "default-key" );
272      if ( e )      if ( e )
# Line 289  get_gnupg_default_key (void) Line 290  get_gnupg_default_key (void)
290  } /* get_gnupg_default_key */  } /* get_gnupg_default_key */
291    
292    
293    /* Check if GPG4WIN is available and if so, use the
294       install path to figure out where the gpg.exe is. */
295    char*
296    check_for_gpg4win (void)
297    {
298        return get_reg_entry_gpg4win ("gpg.exe");
299    }
300    
301    
302  /* Check if the gpg application (exe file) is available. */  /* Check if the gpg application (exe file) is available. */
303  int  int
304  check_gnupg_prog (void)  check_gnupg_prog (void)
305  {  {
306      char *pgm = NULL;      char *gpgexe = NULL;
307      int rc = 0;      int rc = 0;
308    
309      pgm = get_gnupg_prog ();      gpgexe = get_gnupg_prog ();
310      if (!pgm)      if (!gpgexe || file_exist_check (gpgexe)) {
311          rc = WPTERR_GPG_EXEFILE;          free_if_alloc (gpgexe);
312      if (file_exist_check (pgm))          gpgexe = check_for_gpg4win ();
313          rc = WPTERR_GPG_EXEFILE;          if (!gpgexe || file_exist_check (gpgexe))
314      free_if_alloc (pgm);              rc = WPTERR_GPG_EXEFILE;
315            else
316                set_reg_entry_gpg (GPG_REG_EXE, gpgexe);
317        }
318        free_if_alloc (gpgexe);
319      return rc;      return rc;
320  }  }
321    
# Line 323  parse_version_nr (const char * buf, int Line 337  parse_version_nr (const char * buf, int
337      tmp[i] = 0; buf++;      tmp[i] = 0; buf++;
338      *minor = atol (tmp);      *minor = atol (tmp);
339      i=0;      i=0;
340      while (buf && isdigit( *buf ) && i < 8)      while (buf && isdigit (*buf) && i < 8)
341          tmp[i++] = *buf++;          tmp[i++] = *buf++;
342      tmp[i] = 0;      tmp[i] = 0;
343      *patch = atol (tmp);      *patch = atol (tmp);
# Line 339  check_gnupg_engine (int *r_major, int *r Line 353  check_gnupg_engine (int *r_major, int *r
353  {  {
354      gpgme_ctx_t ctx;      gpgme_ctx_t ctx;
355      gpgme_engine_info_t inf;      gpgme_engine_info_t inf;
356      char * eng = NULL;      char *eng = NULL;
357      int major=0, minor=0, patch=0;      int major=0, minor=0, patch=0;
358      int rc;      int rc = 1;
359                    
360      gpgme_new (&ctx);      gpgme_new (&ctx);
361      inf = gpgme_ctx_get_engine_info (ctx);      inf = gpgme_ctx_get_engine_info (ctx);
# Line 349  check_gnupg_engine (int *r_major, int *r Line 363  check_gnupg_engine (int *r_major, int *r
363          gpgme_release (ctx);          gpgme_release (ctx);
364          return -1;          return -1;
365      }      }
366    
367      /* 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. */
368      if (gpg_get_version (&eng))      if (gpg_get_version (&eng))
369          return -1;          return -1;
370      if (strstr (eng, "IDEA"))      if (strstr (eng, "IDEA"))
371          idea_available = 1;          idea_available = 1;
372      free (eng);      free (eng);
373      rc = parse_version_nr( inf->version, &major, &minor, &patch );      rc = parse_version_nr (inf->version, &major, &minor, &patch);
374      if( rc ) {      if (rc) {
375          gpgme_release (ctx);          gpgme_release (ctx);
376          return rc;          return rc;
377      }      }
378    
379      /* FIXME: This check is wrong! */      if (major > *r_major)
     if (major < *r_major || minor < *r_minor)  
         rc = 1;  
     else {  
         if (patch < *r_patch)  
             rc = 1;  
380          rc = 0;          rc = 0;
381      }      else if (major == *r_major && minor > *r_minor)          
382            rc = 0;
383        else if (major == *r_major && minor == *r_minor &&
384                 patch >= *r_patch)
385            rc = 0;
386    
387      *r_major = major;      *r_major = major;
388      *r_minor = minor;      *r_minor = minor;
389      *r_patch = patch;      *r_patch = patch;
# Line 424  gnupg_access_files (void) Line 439  gnupg_access_files (void)
439          rc = WPTERR_GPG_KEYRINGS;          rc = WPTERR_GPG_KEYRINGS;
440      else      else
441          secring_ok = 1;          secring_ok = 1;
442    
443      if (!pubring_ok || !secring_ok) {      if (!pubring_ok || !secring_ok) {
444          optfile = get_gnupg_cfgfile ();          optfile = get_gnupg_cfgfile ();
445          if (!optfile)          if (!optfile)
446              return WPTERR_GPG_KEYRINGS;              return WPTERR_GPG_KEYRINGS;
447          rc = file_exist_check (optfile);          rc = file_exist_check (optfile);
448          if (!rc && get_file_size(optfile) > 0) {          if (!rc && get_file_size (optfile) > 0) {
449              rc = check_gnupg_cfgfile (optfile, &secrings, &pubrings);              rc = check_gnupg_cfgfile (optfile, &secrings, &pubrings);
450              if (!rc && secrings && pubrings) {              if (!rc && secrings && pubrings) {
451                  free_if_alloc (optfile);                  free_if_alloc (optfile);
# Line 456  create_gpg_options (void) Line 472  create_gpg_options (void)
472      FILE *fp;      FILE *fp;
473      char *s, *optfile;      char *s, *optfile;
474    
475      s = get_gnupg_path( );      s = get_gnupg_path ();
476      if( s == NULL )      if( s == NULL )
477          return WPTERR_FILE_CREAT;          return WPTERR_FILE_CREAT;
478      optfile = make_filename( s, GPG_CONF, NULL );      optfile = make_filename (s, GPG_CONF, NULL);
479      fp = fopen( optfile, "wb" );      fp = fopen( optfile, "wb" );
480      if( fp == NULL ) {        if( fp == NULL ) {  
481          return WPTERR_FILE_CREAT;          return WPTERR_FILE_CREAT;
# Line 650  check_last_gnupg_access (gpg_watcher_s * Line 666  check_last_gnupg_access (gpg_watcher_s *
666      if (ctx->last_access.dwHighDateTime != ctx->access.dwHighDateTime &&      if (ctx->last_access.dwHighDateTime != ctx->access.dwHighDateTime &&
667          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)          ctx->last_access.dwLowDateTime != ctx->access.dwLowDateTime)
668          ctx->modified = 1;          ctx->modified = 1;
669        
670        /* XXX: find a better way. without it, winpt --keymanager loads
671                the key cache twice. */
672        if (ctx->last_access.dwLowDateTime == 0)
673            ctx->modified = 0;
674    
675      ctx->last_access.dwLowDateTime = ctx->access.dwLowDateTime;      ctx->last_access.dwLowDateTime = ctx->access.dwLowDateTime;
676      ctx->last_access.dwHighDateTime = ctx->access.dwHighDateTime;      ctx->last_access.dwHighDateTime = ctx->access.dwHighDateTime;
# Line 756  get_gnupg_keyring_from_options (const ch Line 777  get_gnupg_keyring_from_options (const ch
777    
778  /* XXX: does not work with write-protected floppies */  /* XXX: does not work with write-protected floppies */
779  static int  static int
780  my_access (const char * fname)  my_access (const char *fname)
781  {  {
782      HANDLE hd;      HANDLE hd;
783      hd = CreateFile (fname, GENERIC_WRITE, FILE_SHARE_WRITE,      hd = CreateFile (fname, GENERIC_WRITE, FILE_SHARE_WRITE,
# Line 768  my_access (const char * fname) Line 789  my_access (const char * fname)
789  }  }
790    
791    
792    /* Check the file permissions of the public keyring.
793       If @showmsg is 1 output a message in case of errors.
794       Return value: 1 if read-only attribute
795                     2 if file is opened by another process exclusively. */
796  int  int
797  gpg_check_permissions (int showmsg)  gpg_check_permissions (int showmsg)
798  {  {
799      char * p, * name = NULL;      char *p = NULL;
800        char *name = NULL;
801      int failed = 0, ans=0, attrs=0;      int failed = 0, ans=0, attrs=0;
802    
803      p = get_gnupg_path ();      p = get_gnupg_path ();
804      check_keyring (&p);      if (check_keyring (&p) && p) {
     if (p) {  
805          name = make_filename (p, "pubring", "gpg");          name = make_filename (p, "pubring", "gpg");
         free_if_alloc (p);  
806          if ((attrs=GetFileAttributes (name)) & FILE_ATTRIBUTE_READONLY) {          if ((attrs=GetFileAttributes (name)) & FILE_ATTRIBUTE_READONLY) {
807              ans = msg_box (NULL,              ans = msg_box (NULL,
808                             _("The selected keyring has the read-only file\n"                             _("The selected keyring has the read-only file\n"
# Line 794  gpg_check_permissions (int showmsg) Line 818  gpg_check_permissions (int showmsg)
818                  }                  }
819              }              }
820              else if (ans == IDNO) {              else if (ans == IDNO) {
821                  /*                  /* 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);  
                 */  
822                  failed = 1;                  failed = 1;
823              }              }
824          }          }
# Line 813  gpg_check_permissions (int showmsg) Line 834  gpg_check_permissions (int showmsg)
834              failed = 2;              failed = 2;
835          }          }
836      }      }
837        free_if_alloc (p);
838      free_if_alloc (name);      free_if_alloc (name);
839      return failed;      return failed;
840  } /* gpg_check_permissions */  }
841    
842    
843  /* Check the GPG home dir. If all methods failed, try to  /* Check the GPG home dir. First try to read the 'HomeDir' registry entry,
844     create the default folder. */     then check for $APPDATA\gnupg. Create the dir if it does not exists. */
845  static int  int
846  check_homedir (void)  gnupg_check_homedir (void)
847  {        {      
848      char *homedir = NULL;      char *homedir = NULL;
849      int yes = 0;      int val = 0;
850        int rc = 0;
851    
852      homedir = get_reg_entry_gpg ("HomeDir");      homedir = get_reg_entry_gpg (GPG_REG_HOME);
     if (!homedir)  
         homedir = multi_gnupg_path ();  
853      if (!homedir)      if (!homedir)
854          homedir = m_strdup ("c:\\gnupg");          homedir = multi_gnupg_path (0);
855      if (homedir) {      if (homedir) {
856          if (GetFileAttributes (homedir) == 0xFFFFFFFF) {          if (GetFileAttributes (homedir) == 0xFFFFFFFF) {
857              yes = log_box (_("Preferences"), MB_YESNO,              val = log_box (_("Preferences"), MB_YESNO,
858                             _("%s does not exit.\n"                             _("%s does not exit.\n"
859                               "Do you want to create this directory?"), homedir);                               "Do you want to create this directory?"), homedir);
860              if (yes == IDYES) {              if (val == IDYES) {
861                  BOOL ec = CreateDirectory (homedir, NULL);                  if (!CreateDirectory (homedir, NULL))
862                  free_if_alloc (homedir);                      rc = WPTERR_DIR_CREAT;
                 if (ec == FALSE)  
                     return WPTERR_DIR_CREAT;  
                 return 0;  
863              }              }
864              return WPTERR_DIR_OPEN;              else
865          }                  rc = WPTERR_DIR_OPEN;
         free_if_alloc (homedir);  
     }  
     return 0;  
 }  
   
   
 int  
 gnupg_check_homedir (void)  
 {        
     char *homedir = NULL;  
     char *prog = NULL;  
     int rc = 0, ec = 0;  
       
     rc = check_homedir ();  
     if (rc)  
         return rc;  
     if ((homedir = get_reg_entry_gpg ("HomeDir")) &&  
         !(prog = get_reg_entry_gpg ("gpgProgram" ))) {  
         prog = make_filename (homedir, "gpg", "exe");  
         if (file_exist_check (prog) == 0) {  
             rc = set_reg_entry_gpg ("gpgProgram", prog);  
             if (rc)  
                 goto fail;  
866          }          }
867          free_if_alloc (homedir);          free_if_alloc (homedir);
         free_if_alloc (prog);  
         return rc;  
868      }      }
     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);  
869      return rc;      return rc;
870  } /* gnupg_check_homedir */  }
871    
872    
873  int  int
# Line 916  gnupg_copy_keyrings (void) Line 883  gnupg_copy_keyrings (void)
883          return WPTERR_GENERAL;          return WPTERR_GENERAL;
884      hwnd = GetDesktopWindow ();      hwnd = GetDesktopWindow ();
885    
886      pring = get_filename_dlg (hwnd, FILE_OPEN, _("Please choose your public keyring"),      pring = get_fileopen_dlg (hwnd, _("Please choose your public keyring"),
887                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),NULL);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),NULL);
888      if (!pring) {      if (!pring) {
889          msg_box (hwnd, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR);          msg_box (hwnd, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR);
# Line 936  gnupg_copy_keyrings (void) Line 903  gnupg_copy_keyrings (void)
903      }      }
904      free_if_alloc (file);      free_if_alloc (file);
905    
906      sring = get_filename_dlg (hwnd, FILE_OPEN, _("Please choose your secret keyring"),      sring = get_fileopen_dlg (hwnd, _("Please choose your secret keyring"),
907                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"), NULL);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"), NULL);
908      if (!sring) {      if (!sring) {
909          msg_box( NULL, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR );          msg_box( NULL, _("No keyring was chosen. Exit."), _("WinPT Error"), MB_ERR );
# Line 960  fail: Line 927  fail:
927  } /* gnupg_import_keyrings */  } /* gnupg_import_keyrings */
928    
929    
930    /* Backup the gpg.conf file. */
931  void  void
932  gnupg_backup_options (void)  gnupg_backup_options (void)
933  {  {
# Line 967  gnupg_backup_options (void) Line 935  gnupg_backup_options (void)
935      char bak[512];      char bak[512];
936    
937      cfgfile = get_gnupg_cfgfile ();      cfgfile = get_gnupg_cfgfile ();
938      if (cfgfile == NULL)      if (!cfgfile)
939          return;          return;
940      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);      _snprintf (bak, DIM (bak)-1, "%s.bak", cfgfile);
941      CopyFile (cfgfile, bak, FALSE);      CopyFile (cfgfile, bak, FALSE);
942      free_if_alloc (cfgfile);      free_if_alloc (cfgfile);
943  } /* gnupg_backup_options */  }
   
944    
945    
946  static int  static int
# Line 1001  backup_one_file (const char *srcpath, co Line 968  backup_one_file (const char *srcpath, co
968  } /* backup_one_file */  } /* backup_one_file */
969    
970    
971    /* Figure out first public keyring which is not empty.
972       Return value: 1 on success. */
973  static int  static int
974  check_keyring (char ** r_path)  check_keyring (char **r_path)
975  {  {
976      char * p;      char *p;
977      char * opt, * name;      char *opt;
978        char *name;
979    
980      if (!*r_path)      if (!*r_path)
981          return 0;          return 0;
982      p = make_filename (*r_path, "pubring", "gpg");      p = make_filename (*r_path, "pubring", "gpg");
983      if (!p || get_file_size (p) > 0)      if (!p || get_file_size (p) <= 0)
984          return 0;          return 0;
985    
986      opt = get_gnupg_cfgfile ();      opt = get_gnupg_cfgfile ();
# Line 1022  check_keyring (char ** r_path) Line 992  check_keyring (char ** r_path)
992      if (!name)      if (!name)
993          return 0;          return 0;
994      p = strrchr (name, '\\');      p = strrchr (name, '\\');
995      if (!p)      if (!p) {
     {  
996          free_if_alloc (name);          free_if_alloc (name);
997          return 0;                return 0;      
998      }      }
# Line 1036  check_keyring (char ** r_path) Line 1005  check_keyring (char ** r_path)
1005  }  }
1006    
1007    
1008    /* Return a temp name based on the day of the week. */
1009  static char*  static char*
1010  get_backup_name (const char *templ)  get_backup_name (const char *templ)
1011  {  {
1012      struct tm *tm;      struct tm *tm;
1013      char *p;      char *p;
1014        time_t t;
1015    
1016      time_t t = time (NULL);      t = time (NULL);
1017      tm = localtime (&t);      tm = localtime (&t);
1018      p = new char [strlen (templ) + 8 + 1];      p = new char [strlen (templ) + 8 + 1];
1019      if (!p)      if (!p)
# Line 1052  get_backup_name (const char *templ) Line 1023  get_backup_name (const char *templ)
1023  }  }
1024    
1025    
1026    /* Make backups of all keyrings. The public key ring is
1027       rotated like this pubring-%d.gpg. */
1028  void  void
1029  gnupg_backup_keyrings (void)  gnupg_backup_keyrings (void)
1030  {  {
# Line 1062  gnupg_backup_keyrings (void) Line 1035  gnupg_backup_keyrings (void)
1035      if (!reg_prefs.auto_backup)      if (!reg_prefs.auto_backup)
1036          return;          return;
1037      bakmode = reg_prefs.backup.mode;      bakmode = reg_prefs.backup.mode;
1038      srcpath =  get_gnupg_path ();      srcpath = get_gnupg_path ();
1039      check_keyring (&srcpath);      check_keyring (&srcpath);
1040      if (bakmode == 1) {      if (bakmode == 1) {
1041          dstpath = get_gnupg_path ();          dstpath = multi_gnupg_path (1);
1042          check_keyring (&dstpath);          check_keyring (&dstpath);
1043      }      }
1044      else if (bakmode == 2) {      else if (bakmode == 2) {
1045          char * tmpfile;          char *tmpfile;
1046          FILE * fp;          FILE *fp;
1047    
1048          dstpath = m_strdup (reg_prefs.backup.path);          dstpath = m_strdup (reg_prefs.backup.path);
1049          if (!dstpath)          if (!dstpath)
# Line 1084  gnupg_backup_keyrings (void) Line 1057  gnupg_backup_keyrings (void)
1057          else {          else {
1058              rc = 0;              rc = 0;
1059              fclose (fp);              fclose (fp);
1060              unlink (tmpfile);              remove (tmpfile);
1061          }          }
1062          free_if_alloc (tmpfile);          free_if_alloc (tmpfile);
1063          if (!fp || rc == IDCANCEL)          if (!fp || rc == IDCANCEL)
# Line 1101  gnupg_backup_keyrings (void) Line 1074  gnupg_backup_keyrings (void)
1074      free_if_alloc (name);      free_if_alloc (name);
1075      free_if_alloc (srcpath);      free_if_alloc (srcpath);
1076      free_if_alloc (dstpath);      free_if_alloc (dstpath);
1077  } /* gnupg_backup_keyrings */  }
1078    
1079    
1080  /* Display GPG error from file if possible. */  /* Display GPG error from file if possible. */
# Line 1119  gnupg_display_error (void) Line 1092  gnupg_display_error (void)
1092          return;          return;
1093      fp = fopen( tmpath, "rb" );      fp = fopen( tmpath, "rb" );
1094      if (!fp) {      if (!fp) {
1095          msg_box( NULL, _("No GPG error description available."), _("GPG Error"), MB_INFO );          msg_box (NULL, _("No GPG error description available."),
1096                     _("GPG Error"), MB_INFO);
1097          return;          return;
1098      }      }
1099      errstr = new char[size+1];      errstr = new char[size+1];
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