Bugfixing and Accounts in Configfile

.gitignore

@@ -107,11 +107,11 @@ dkms.conf
 
 build-aux/
 libtool
-src/.deps/
+.deps
-src/.dirstamp
+.dirstamp
 src/config.h
 src/config.h.in
 src/stamp-h1
-xmppc
 
+xmppc
 doc/doxygen/

changelog

@@ -1,3 +1,22 @@
+2020-04-21 DebXWoody <stefan@debxwoody.de>
+
+	Release 0.0.4
+	* Config file for accounts
+	* Changed output format of omemo list to URL format
+	* Bugfixes for OpenPGP / PGP Key lookup
+
+2020-04-19 DebXWoody <stefan@debxwoody.de>
+
+	Release 0.0.3-1
+	* Moved xmppc to Anoxinon Repository
+	* 5b81fbb5862be7e1edeed32bbf5a72982cbac5d3
+
+2020-04-18 DebXWoody <stefan@debxwoody.de>
+
+	Release 0.0.3
+	* Implementation for XEP-0373: OpenPGP for XMPP.
+	* Module for XMPP Monitoring
+
 2020-04-10 DebXWoody <stefan@debxwoody.de>
 
 	Release 0.0.2

src/main.c

@@ -310,12 +310,14 @@ int main(int argc, char *argv[]) {
   xmppc_mode_t mode = UNKOWN;
   char *jid = NULL;
   char *pwd = NULL;
+  char *account = NULL;
 
   static struct option long_options[] = {
       /* These options set a flag. */
       {"verbose", no_argument, &verbose_flag, 1},
       {"help", no_argument, 0, 'h'},
       {"config", required_argument, 0, 'c'},
+      {"account", required_argument, 0, 'a'},
       {"jid", required_argument, 0, 'j'},
       {"pwd", required_argument, 0, 'p'},
       {"mode", required_argument, 0, 'm'},
@@ -324,7 +326,7 @@ int main(int argc, char *argv[]) {
   while (c > -1) {
     int option_index = 0;
 
-    c = getopt_long(argc, argv, "hvj:p:m:", long_options, &option_index);
+    c = getopt_long(argc, argv, "hva:j:p:m:", long_options, &option_index);
     if (c > -1) {
       switch (c) {
       case 'h':
@@ -339,6 +341,11 @@ int main(int argc, char *argv[]) {
         printf("option -f with value `%s'\n", optarg);
         break;
 
+      case 'a':
+        account = malloc(strlen(optarg) + 1);
+        strcpy(account, optarg);
+        break;
+
       case 'j':
         jid = malloc(strlen(optarg) + 1);
         strcpy(jid, optarg);
@@ -390,8 +397,11 @@ int main(int argc, char *argv[]) {
   } else {
     if(jid == NULL && pwd == NULL) { 
       logInfo(&xmppc,"Loading default account\n");
-      jid = g_key_file_get_value (config_file, "default", "jid" ,&error);
+      if( account == NULL ) {
-      pwd = g_key_file_get_value (config_file, "default", "pwd" ,&error);
+        account = "default";
+      }
+      jid = g_key_file_get_value (config_file, account, "jid" ,&error);
+      pwd = g_key_file_get_value (config_file, account, "pwd" ,&error);
     }
   }
 
@@ -434,11 +444,12 @@ static void _show_help() {
 #else
   printf("%s\n", PACKAGE_STRING);
 #endif
-  printf("Usage: xmppc --jid <jid> --pwd <pwd> --mode <mode> <command> <parameters>\n");
+  printf("Usage: xmppc --account <account> --jid <jid> --pwd <pwd> --mode <mode> <command> <parameters>\n");
   printf("Options:\n");
   printf("  -h / --help                Display this information.\n");
   printf("  -j / --jid <jid>           Jabber ID\n");
   printf("  -p / --pwd <password>      Passwort\n");
+  printf("  -a / --account <account>   Passwort\n");
   printf("  -m / --mode <mode>         xmppc mode\n");
   printf("\n");
   printf("Modes:\n");

src/mode/monitor.c

@@ -44,7 +44,6 @@
 #include "stdio.h"
 #include "string.h"
 
-
 static int _monitor_log_stanza(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
 static int _monitor_show_microblog(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
 
@@ -98,11 +97,7 @@ int _monitor_log_stanza(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, vo
 }
 
 /* XEP-0277: Microblogging over XMPP */
-
 int _monitor_show_microblog(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata){
-
-
-
   xmpp_stanza_t *log = stanza;
   if(strcmp(xmpp_stanza_get_name(stanza), "message") == 0 ) {
     xmpp_stanza_t* event = xmpp_stanza_get_child_by_name(stanza, "event");

src/mode/openpgp.c

@@ -81,6 +81,10 @@ void _openpgp_send_text(xmppc_t *xmppc, char* to, char* text) {
     size_t s;
     xmpp_stanza_to_text(signcrypt, &c,&s);
     char* signcrypt_e = _openpgp_gpg_signcrypt(xmppc,to, c);
+    if( signcrypt_e == NULL ) {
+      logError(xmppc, "Message not signcrypted.\n");
+      return;
+    } 
     // BASE64_OPENPGP_MESSAGE
     xmpp_stanza_t* base64_openpgp_message = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_text(base64_openpgp_message,signcrypt_e);
@@ -99,8 +103,6 @@ xmpp_stanza_t* _openpgp_signcrypt(xmppc_t *xmppc, char* to, char* text) {
   struct tm* tm = localtime(&now);
   char buf[255];
   strftime(buf, sizeof(buf), "%FT%T%z", tm);
-  printf("%s\n",buf);
-
     int randnr = rand() % 5;
     char rpad_data[randnr];
     for(int i = 0; i < randnr-1; i++) {
@@ -108,26 +110,32 @@ xmpp_stanza_t* _openpgp_signcrypt(xmppc_t *xmppc, char* to, char* text) {
     }
     rpad_data[randnr-1] = '\0';
     
-
+    // signcrypt
     xmpp_stanza_t *signcrypt = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(signcrypt, "signcrypt");
     xmpp_stanza_set_ns(signcrypt, "urn:xmpp:openpgp:0");
+    // to
     xmpp_stanza_t *s_to = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(s_to, "to");
     xmpp_stanza_set_attribute(s_to, "jid", to);
+    // time
     xmpp_stanza_t *time = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(time, "time");
     xmpp_stanza_set_attribute(time, "stamp", buf);
     xmpp_stanza_set_name(time, "time");
+    // rpad
     xmpp_stanza_t *rpad = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(rpad, "rpad");
     xmpp_stanza_t *rpad_text = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_text(rpad_text, rpad_data);
+    // payload
     xmpp_stanza_t *payload= xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(payload, "payload");
+    // body
     xmpp_stanza_t *body = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_name(body, "body");
     xmpp_stanza_set_ns(body, "jabber:client");
+    // text
     xmpp_stanza_t *body_text = xmpp_stanza_new(xmppc->ctx);
     xmpp_stanza_set_text(body_text, text);
     xmpp_stanza_add_child(signcrypt,s_to);
@@ -137,8 +145,8 @@ xmpp_stanza_t* _openpgp_signcrypt(xmppc_t *xmppc, char* to, char* text) {
     xmpp_stanza_add_child(signcrypt,payload);
     xmpp_stanza_add_child(payload, body);
     xmpp_stanza_add_child(body, body_text);
-    return signcrypt;
 
+    return signcrypt;
 }
 
 char* _openpgp_gpg_signcrypt(xmppc_t *xmppc, char* recipient, char* message) {
@@ -176,14 +184,18 @@ char* _openpgp_gpg_signcrypt(xmppc_t *xmppc, char* recipient, char* message) {
   strcat(xmpp_jid_me, jid);
   strcat(xmpp_jid_recipient,recipient);
 
+  // lookup own key
   error = _openpgp_lookup_key(xmppc,xmpp_jid_me, &ctx, &recp[0]);
   if(error != 0) {
-    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    logError(xmppc,"Key not found for %s. GpgME Error: %s\n", xmpp_jid_me, gpgme_strerror(error));
+    return NULL;
   }
 
+  // lookup key of recipient
   error = _openpgp_lookup_key(xmppc,xmpp_jid_recipient, &ctx, &recp[1]);
   if(error != 0) {
-    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    logError(xmppc,"Key not found for %s. GpgME Error: %s\n", xmpp_jid_recipient, gpgme_strerror(error));
+    return NULL;
   }
   recp[2] = NULL;
   logInfo(xmppc, "%s <%s>\n", recp[0]->uids->name, recp[0]->uids->email);
@@ -201,20 +213,24 @@ char* _openpgp_gpg_signcrypt(xmppc_t *xmppc, char* recipient, char* message) {
   error = gpgme_data_new (&plain);
   if(error != 0) {
     logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    return NULL;
   }
 
   error = gpgme_data_new_from_mem(&plain, message, strlen(message),0);
   if(error != 0) {
     logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    return NULL;
   }
   error = gpgme_data_new (&cipher);  
   if(error != 0) {
     logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    return NULL;
   }
 
   error = gpgme_op_encrypt_sign ( ctx, recp, flags, plain, cipher);
   if(error != 0) {
     logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+    return NULL;
   }
 
   size_t len;
@@ -231,11 +247,9 @@ gpgme_error_t _openpgp_lookup_key(xmppc_t *xmppc,char* name, gpgme_ctx_t* ctx, g
   gpgme_error_t error = gpgme_op_keylist_start (*ctx, NULL, 0);
   while (!error) {
     error = gpgme_op_keylist_next (*ctx, key);
-    if(strcmp((*key)->uids->name, name) == 0) {
+    if(error == 0 && strcmp((*key)->uids->name, name) == 0) {
       logDebug(xmppc, "Key found: %s ...\n", (*key)->uids->name);
-      return error;
+    } else {
-    }
-    else {
       gpgme_key_release((*key));
     }
   }

src/mode/pgp.c

@@ -49,7 +49,6 @@
 #include <stdlib.h>
 #include <gpgme.h>
 
-
 #define PGP_BEGIN "-----BEGIN PGP MESSAGE-----"
 #define PGP_END   "-----END PGP MESSAGE-----"
 
@@ -81,7 +80,8 @@ void _pgp_send_text(xmppc_t *xmppc, char* to, char* text) {
     xmpp_stanza_set_ns(x, "jabber:x:encrypted");
     xmpp_stanza_t *b = xmpp_stanza_new(xmppc->ctx);
     char* encrypt_text = _pgp_encrypt_message(xmppc, to,text);
-    if(text == NULL) {
+    if(encrypt_text == NULL) {
+      logError(xmppc,"Encrypting of message failed.\n");
       return;
     }
     xmpp_stanza_set_text(b,encrypt_text);
@@ -107,15 +107,32 @@ char* _pgp_encrypt_message(xmppc_t *xmppc, char* recipient, char* message) {
     return NULL;
   }
   error = gpgme_set_protocol(ctx, GPGME_PROTOCOL_OPENPGP);
+  if(error != 0) {
+    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+  }
   gpgme_set_armor(ctx,1);
   gpgme_set_textmode(ctx,1);
   gpgme_set_offline(ctx,1);
   gpgme_set_keylist_mode(ctx, GPGME_KEYLIST_MODE_LOCAL);
 
   gpgme_key_t recp[3];
+
+  // Key for sender
   const char *jid = xmpp_conn_get_jid(xmppc->conn);
+  logInfo(xmppc, "Looking up pgp key for %s\n", jid);
   error = gpgme_get_key(ctx, jid, &(recp[0]), 0);
+  if(error != 0) {
+    logError(xmppc,"Public key not found for %s. GpgME Error: %s\n", jid, gpgme_strerror(error));
+    return NULL;
+  }
+
+  // Key for recipient
+  logInfo(xmppc, "Looking up pgp key for %s\n", recipient);
   error = gpgme_get_key(ctx, recipient, &(recp[1]), 0);
+  if(error != 0) {
+    logError(xmppc,"Key not found for %s. GpgME Error: %s\n", recipient, gpgme_strerror(error));
+    return NULL;
+  }
   recp[2] = NULL;
   
   logInfo(xmppc, "%s <%s>\n", recp[0]->uids->name, recp[0]->uids->email);
@@ -126,11 +143,23 @@ char* _pgp_encrypt_message(xmppc_t *xmppc, char* recipient, char* message) {
   gpgme_data_t cipher;
 
   error = gpgme_data_new (&plain);
+  if(error != 0) {
+    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+  }
 
   error = gpgme_data_new_from_mem(&plain, message, strlen(message),0);
+  if(error != 0) {
+    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+  }
   error = gpgme_data_new (&cipher);  
+  if(error != 0) {
+    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+  }
 
   error = gpgme_op_encrypt ( ctx, recp, flags, plain, cipher);
+  if(error != 0) {
+    logError(xmppc,"GpgME Error: %s\n", gpgme_strerror(error));  
+  }
   size_t len;
   char *cipher_str = gpgme_data_release_and_get_mem(cipher, &len);
   char* result = NULL;