New command --decrypt-files.

Some fixes.

doc/DETAILS

@@ -221,7 +221,8 @@ more arguments in future versions.
 	Start processing a file <filename>.  <what> indicates the performed
 	operation:
 	    1 - verify
-        2 - encrypt
+            2 - encrypt
+            3 - decrypt        
 
     FILE_DONE
 	Marks the end of a file processing which has been started

g10/ChangeLog

@@ -1,3 +1,11 @@
+2002-01-15  Timo Schulz  <ts@winpt.org>
+
+	* encode.c (encode_crypt_files): Fail if --output is used.
+	
+	* g10.c: New command --decrypt-files.
+
+	* decrypt.c (decrypt_messages): New.
+	
 2002-01-09  David Shaw  <dshaw@jabberwocky.com>
 
 	* g10.c, misc.c, gpgv.c: move idea_cipher_warn to misc.c so gpgv.c

g10/decrypt.c

@@ -33,6 +33,7 @@
 #include "memory.h"
 #include "util.h"
 #include "main.h"
+#include "status.h"
 #include "i18n.h"
 
 
@@ -78,5 +79,59 @@ decrypt_message( const char *filename )
     return rc;
 }
 
+void
+decrypt_messages(int nfiles, char **files)
+{
+  IOBUF fp;
+  armor_filter_context_t afx;  
+  char *p, *output = NULL;
+  int rc = 0;
+  
+  if (opt.outfile)
+    {
+      log_error(_("--output doesn't work for this command\n"));
+      return;
+        
+    }
+
+  while (nfiles--)
+    {
+      print_file_status(STATUS_FILE_START, *files, 3);      
+      output = make_outfile_name(*files);
+      if (!output)
+        continue;
+      fp = iobuf_open(*files);
+      if (!fp)
+        {
+          log_error(_("can't open `%s'\n"), print_fname_stdin(*files));
+          continue;
+        }
+      if (!opt.no_armor)
+        {
+          if (use_armor_filter(fp))
+            {
+              memset(&afx, 0, sizeof afx);
+              iobuf_push_filter(fp, armor_filter, &afx);
+            }
+        }
+      rc = proc_packets(NULL, fp);
+      iobuf_close(fp);
+      if (rc)
+        log_error("%s: decryption failed: %s\n", print_fname_stdin(*files),
+                  g10_errstr(rc));
+      p = get_last_passphrase();
+      set_next_passphrase(p);
+      files++;
+      m_free(output);
+      write_status( STATUS_FILE_DONE );
+    }
+  set_next_passphrase(NULL);  
+}
+
+
+
+
+
+
 
 

g10/encode.c

@@ -568,47 +568,46 @@ write_pubkey_enc_from_list( PK_LIST pk_list, DEK *dek, IOBUF out )
 void
 encode_crypt_files(int nfiles, char **files, STRLIST remusr)
 {
-    int rc = 0;
+  int rc = 0;
 
-    if (opt.outfile)
+  if (opt.outfile)
-      {
+    {
-        if (opt.verbose)
+      log_error(_("--output doesn't work for this command\n"));
-          log_info(_("ignore --output for multiple files"));
+      return;        
-        opt.outfile = NULL;
+    }
-      }
     
-    if (!nfiles)
+  if (!nfiles)
-      {
+    {
-        char line[2048];
+      char line[2048];
-        unsigned int lno = 0;
+      unsigned int lno = 0;
-        while ( fgets(line, DIM(line), stdin) )
+      while ( fgets(line, DIM(line), stdin) )
-          {
+        {
-            lno++;
+          lno++;
-            if (!*line || line[strlen(line)-1] != '\n')
+          if (!*line || line[strlen(line)-1] != '\n')
-              {
+            {
-                log_error("input line %u too long or missing LF\n", lno);
+              log_error("input line %u too long or missing LF\n", lno);
-                return;
+              return;
-              }
+            }
-            line[strlen(line)-1] = '\0';
+          line[strlen(line)-1] = '\0';
-            print_file_status(STATUS_FILE_START, line, 2);
+          print_file_status(STATUS_FILE_START, line, 2);
-            if ( (rc = encode_crypt(line, remusr)) )
+          if ( (rc = encode_crypt(line, remusr)) )
-              log_error("%s: encryption failed: %s\n",
+            log_error("%s: encryption failed: %s\n",
-                        print_fname_stdin(line), g10_errstr(rc) );
+                      print_fname_stdin(line), g10_errstr(rc) );
-            write_status( STATUS_FILE_DONE );
+          write_status( STATUS_FILE_DONE );
-          }
+        }
-      }
+    }
-    else
+  else
-      {
+    {
-        while (nfiles--)
+      while (nfiles--)
-          {
+        {
-            print_file_status(STATUS_FILE_START, *files, 2);
+          print_file_status(STATUS_FILE_START, *files, 2);
-            if ( (rc = encode_crypt(*files, remusr)) )
+          if ( (rc = encode_crypt(*files, remusr)) )
-              log_error("%s: encryption failed: %s\n",
+            log_error("%s: encryption failed: %s\n",
-                        print_fname_stdin(*files), g10_errstr(rc) );
+                      print_fname_stdin(*files), g10_errstr(rc) );
-            write_status( STATUS_FILE_DONE );
+          write_status( STATUS_FILE_DONE );
-            files++;
+          files++;
-          }
+        }
-      }
+    }
 }
 
 

g10/g10.c

@@ -72,6 +72,7 @@ enum cmd_and_opt_values { aNull = 0,
     oShowNotation,
     oNoShowNotation,
     oBatch	  = 500,
+    aDecryptFiles,                          
     aClearsign,
     aStore,
     aKeygen,
@@ -273,6 +274,7 @@ static ARGPARSE_OPTS opts[] = {
     { aSym, "symmetric", 256, N_("encryption only with symmetric cipher")},
     { aStore, "store",     256, N_("store only")},
     { aDecrypt, "decrypt",   256, N_("decrypt data (default)")},
+    { aDecryptFiles, "decrypt-files", 256, N_("|[files]|decrypt files")},
     { aVerify, "verify"   , 256, N_("verify a signature")},
     { aVerifyFiles, "verify-files" , 256, "@" },
     { aListKeys, "list-keys", 256, N_("list keys")},
@@ -900,6 +902,7 @@ main( int argc, char **argv )
 	  case aSym: set_cmd( &cmd, aSym); break;
 
 	  case aDecrypt: set_cmd( &cmd, aDecrypt); break;
+          case aDecryptFiles: set_cmd( &cmd, aDecryptFiles); break;
 
 	  case aEncr: set_cmd( &cmd, aEncr); break;
 	  case aEncrFiles: set_cmd( &cmd, aEncrFiles ); break;
@@ -1611,7 +1614,10 @@ main( int argc, char **argv )
 	    log_error("decrypt_message failed: %s\n", g10_errstr(rc) );
 	break;
 
-
+      case aDecryptFiles:
+        decrypt_messages(argc, argv);
+        break;
+            
       case aSignKey: /* sign the key given as argument */
 	if( argc != 1 )
 	    wrong_args(_("--sign-key user-id"));

g10/main.h

@@ -169,6 +169,7 @@ int verify_files( int nfiles, char **files );
 
 /*-- decrypt.c --*/
 int decrypt_message( const char *filename );
+void decrypt_messages(int nfiles, char **files);
 
 /*-- plaintext.c --*/
 int hash_datafiles( MD_HANDLE md, MD_HANDLE md2,