holla - fixed a wonderfull bug letting opie-mail crash when

accessing some pop3-server

1 files changed, 7 insertions, 8 deletions

diff --git a/noncore/net/mail/libmailwrapper/genericwrapper.cpp b/noncore/net/mail/libmailwrapper/genericwrapper.cpp
index 3e4293b..1caa375 100644
--- a/noncore/net/mail/libmailwrapper/genericwrapper.cpp
+++ b/noncore/net/mail/libmailwrapper/genericwrapper.cpp
@@ -1,478 +1,477 @@
 #include "genericwrapper.h"
 #include <libetpan/libetpan.h>
 #include "mailtypes.h"
 
 #include <opie2/odebug.h>
 
 using namespace Opie::Core;
 Genericwrapper::Genericwrapper()
     : AbstractMail()
 {
     bodyCache.clear();
     m_storage = 0;
     m_folder = 0;
 }
 
 Genericwrapper::~Genericwrapper()
 {
     if (m_folder) {
         mailfolder_free(m_folder);
     }
     if (m_storage) {
         mailstorage_free(m_storage);
     }
     cleanMimeCache();
 }
 
 void Genericwrapper::fillSingleBody(RecPartP&target,mailmessage*,mailmime*mime)
 {
     if (!mime) {
         return;
     }
     mailmime_field*field = 0;
     mailmime_single_fields fields;
     memset(&fields, 0, sizeof(struct mailmime_single_fields));
     if (mime->mm_mime_fields != NULL) {
         mailmime_single_fields_init(&fields, mime->mm_mime_fields,
             mime->mm_content_type);
     }
 
     mailmime_content*type = fields.fld_content;
     clistcell*current;
     if (!type) {
         target->setType("text");
         target->setSubtype("plain");
     } else {
         target->setSubtype(type->ct_subtype);
         switch(type->ct_type->tp_data.tp_discrete_type->dt_type) {
         case MAILMIME_DISCRETE_TYPE_TEXT:
             target->setType("text");
             break;
         case MAILMIME_DISCRETE_TYPE_IMAGE:
             target->setType("image");
             break;
         case MAILMIME_DISCRETE_TYPE_AUDIO:
             target->setType("audio");
             break;
         case MAILMIME_DISCRETE_TYPE_VIDEO:
             target->setType("video");
             break;
         case MAILMIME_DISCRETE_TYPE_APPLICATION:
             target->setType("application");
             break;
         case MAILMIME_DISCRETE_TYPE_EXTENSION:
         default:
             if (type->ct_type->tp_data.tp_discrete_type->dt_extension) {
                 target->setType(type->ct_type->tp_data.tp_discrete_type->dt_extension);
             }
             break;
         }
         if (type->ct_parameters) {
             fillParameters(target,type->ct_parameters);
         }
     }
     if (mime->mm_mime_fields && mime->mm_mime_fields->fld_list) {
         for (current=clist_begin(mime->mm_mime_fields->fld_list);current!=0;current=clist_next(current)) {
             field = (mailmime_field*)current->data;
             switch(field->fld_type) {
             case MAILMIME_FIELD_TRANSFER_ENCODING:
                 target->setEncoding(getencoding(field->fld_data.fld_encoding));
                 break;
             case MAILMIME_FIELD_ID:
                 target->setIdentifier(field->fld_data.fld_id);
                 break;
             case MAILMIME_FIELD_DESCRIPTION:
                 target->setDescription(field->fld_data.fld_description);
                 break;
             default:
                 break;
             }
         }
     }
 }
 
 void Genericwrapper::fillParameters(RecPartP&target,clist*parameters)
 {
     if (!parameters) {return;}
     clistcell*current=0;
     mailmime_parameter*param;
     for (current=clist_begin(parameters);current!=0;current=clist_next(current)) {
         param = (mailmime_parameter*)current->data;
         if (param) {
             target->addParameter(QString(param->pa_name).lower(),QString(param->pa_value));
         }
     }
 }
 
 QString Genericwrapper::getencoding(mailmime_mechanism*aEnc)
 {
     QString enc="7bit";
     if (!aEnc) return enc;
     switch(aEnc->enc_type) {
     case MAILMIME_MECHANISM_7BIT:
         enc = "7bit";
         break;
     case MAILMIME_MECHANISM_8BIT:
         enc = "8bit";
         break;
     case MAILMIME_MECHANISM_BINARY:
         enc = "binary";
         break;
     case MAILMIME_MECHANISM_QUOTED_PRINTABLE:
         enc = "quoted-printable";
         break;
     case MAILMIME_MECHANISM_BASE64:
         enc = "base64";
         break;
     case MAILMIME_MECHANISM_TOKEN:
     default:
         if (aEnc->enc_token) {
             enc = QString(aEnc->enc_token);
         }
         break;
     }
     return enc;
 }
 
 void Genericwrapper::traverseBody(RecBodyP&target,mailmessage*message,mailmime*mime,QValueList<int>recList,unsigned int current_rec,int current_count)
 {
     if (current_rec >= 10) {
-        odebug << "too deep recursion!" << oendl; 
+        odebug << "too deep recursion!" << oendl;
     }
     if (!message || !mime) {
         return;
     }
     int r;
     char*data = 0;
     size_t len;
     clistiter * cur = 0;
     QString b;
     RecPartP part = new RecPart();
 
     switch (mime->mm_type) {
     case MAILMIME_SINGLE:
     {
         QValueList<int>countlist = recList;
         countlist.append(current_count);
         r = mailmessage_fetch_section(message,mime,&data,&len);
         part->setSize(len);
         part->setPositionlist(countlist);
         b = gen_attachment_id();
         part->setIdentifier(b);
         fillSingleBody(part,message,mime);
         if (part->Type()=="text" && target->Bodytext().isNull()) {
             encodedString*rs = new encodedString();
             rs->setContent(data,len);
             encodedString*res = decode_String(rs,part->Encoding());
             if (countlist.count()>2) {
                 bodyCache[b]=rs;
                 target->addPart(part);
             } else {
                 delete rs;
             }
             b = QString(res->Content());
             delete res;
             target->setBodytext(b);
             target->setDescription(part);
         } else {
             bodyCache[b]=new encodedString(data,len);
             target->addPart(part);
         }
     }
     break;
     case MAILMIME_MULTIPLE:
     {
         unsigned int ccount = 1;
         mailmime*cbody=0;
         QValueList<int>countlist = recList;
         for (cur = clist_begin(mime->mm_data.mm_multipart.mm_mp_list) ; cur != NULL ; cur = clist_next(cur)) {
             cbody = (mailmime*)clist_content(cur);
             if (cbody->mm_type==MAILMIME_MULTIPLE) {
                 RecPartP targetPart = new RecPart();
                 targetPart->setType("multipart");
                 countlist.append(current_count);
                 targetPart->setPositionlist(countlist);
                 target->addPart(targetPart);
             }
             traverseBody(target,message, cbody,countlist,current_rec+1,ccount);
             if (cbody->mm_type==MAILMIME_MULTIPLE) {
                 countlist = recList;
             }
             ++ccount;
         }
     }
     break;
     case MAILMIME_MESSAGE:
     {
         QValueList<int>countlist = recList;
         countlist.append(current_count);
         /* the own header is always at recursion 0 - we don't need that */
         if (current_rec > 0) {
             part->setPositionlist(countlist);
             r = mailmessage_fetch_section(message,mime,&data,&len);
             part->setSize(len);
             part->setPositionlist(countlist);
             b = gen_attachment_id();
             part->setIdentifier(b);
             part->setType("message");
             part->setSubtype("rfc822");
             bodyCache[b]=new encodedString(data,len);
             target->addPart(part);
         }
         if (mime->mm_data.mm_message.mm_msg_mime != NULL) {
             traverseBody(target,message,mime->mm_data.mm_message.mm_msg_mime,countlist,current_rec+1);
         }
     }
     break;
     }
 }
 
 RecBodyP Genericwrapper::parseMail( mailmessage * msg )
 {
     int err = MAILIMF_NO_ERROR;
     mailmime_single_fields fields;
     /* is bound to msg and will be freed there */
     mailmime * mime=0;
     RecBodyP body = new RecBody();
     memset(&fields, 0, sizeof(struct mailmime_single_fields));
     err = mailmessage_get_bodystructure(msg,&mime);
     QValueList<int>recList;
     traverseBody(body,msg,mime,recList);
     return body;
 }
 
 QString Genericwrapper::parseDateTime( mailimf_date_time *date )
 {
     char tmp[23];
 
     snprintf( tmp, 23,  "%02i.%02i.%04i %02i:%02i:%02i %+05i",
         date->dt_day, date->dt_month, date->dt_year, date->dt_hour, date->dt_min, date->dt_sec, date->dt_zone );
 
     return QString( tmp );
 }
 
 QString Genericwrapper::parseAddressList( mailimf_address_list *list )
 {
     QString result( "" );
 
     bool first = true;
     if (list == 0) return result;
     for ( clistiter *current = clist_begin( list->ad_list ); current != NULL; current = current->next ) {
         mailimf_address *addr = (mailimf_address *) current->data;
 
         if ( !first ) {
             result.append( "," );
         } else {
             first = false;
         }
 
         switch ( addr->ad_type ) {
             case MAILIMF_ADDRESS_MAILBOX:
                 result.append( parseMailbox( addr->ad_data.ad_mailbox ) );
                 break;
             case MAILIMF_ADDRESS_GROUP:
                 result.append( parseGroup( addr->ad_data.ad_group ) );
                 break;
             default:
-                odebug << "Generic: unkown mailimf address type" << oendl; 
+                odebug << "Generic: unkown mailimf address type" << oendl;
                 break;
         }
     }
 
     return result;
 }
 
 QString Genericwrapper::parseGroup( mailimf_group *group )
 {
     QString result( "" );
 
     result.append( group->grp_display_name );
     result.append( ": " );
 
     if ( group->grp_mb_list != NULL ) {
         result.append( parseMailboxList( group->grp_mb_list ) );
     }
 
     result.append( ";" );
 
     return result;
 }
 
 QString Genericwrapper::parseMailbox( mailimf_mailbox *box )
 {
     QString result( "" );
 
     if ( box->mb_display_name == NULL ) {
         result.append( box->mb_addr_spec );
     } else {
         result.append( convert_String(box->mb_display_name).latin1() );
         result.append( " <" );
         result.append( box->mb_addr_spec );
         result.append( ">" );
     }
 
     return result;
 }
 
 QString Genericwrapper::parseMailboxList( mailimf_mailbox_list *list )
 {
     QString result( "" );
 
     bool first = true;
     for ( clistiter *current = clist_begin( list->mb_list ); current != NULL; current = current->next ) {
         mailimf_mailbox *box = (mailimf_mailbox *) current->data;
 
         if ( !first ) {
             result.append( "," );
         } else {
             first = false;
         }
 
         result.append( parseMailbox( box ) );
     }
 
     return result;
 }
 
 encodedString* Genericwrapper::fetchDecodedPart(const RecMailP&,const RecPartP&part)
 {
     QMap<QString,encodedString*>::ConstIterator it = bodyCache.find(part->Identifier());
     if (it==bodyCache.end()) return new encodedString();
     encodedString*t = decode_String(it.data(),part->Encoding());
     return t;
 }
 
 encodedString* Genericwrapper::fetchRawPart(const RecMailP&,const RecPartP&part)
 {
     QMap<QString,encodedString*>::ConstIterator it = bodyCache.find(part->Identifier());
     if (it==bodyCache.end()) return new encodedString();
     encodedString*t = it.data();
     return t;
 }
 
 QString Genericwrapper::fetchTextPart(const RecMailP&mail,const RecPartP&part)
 {
     encodedString*t = fetchDecodedPart(mail,part);
     QString text=t->Content();
     delete t;
     return text;
 }
 
 void Genericwrapper::cleanMimeCache()
 {
     QMap<QString,encodedString*>::Iterator it = bodyCache.begin();
     for (;it!=bodyCache.end();++it) {
         encodedString*t = it.data();
         //it.setValue(0);
         if (t) delete t;
     }
     bodyCache.clear();
-    odebug << "Genericwrapper: cache cleaned" << oendl; 
+    odebug << "Genericwrapper: cache cleaned" << oendl;
 }
 
 QStringList Genericwrapper::parseInreplies(mailimf_in_reply_to * in_replies)
 {
     QStringList res;
     if (!in_replies || !in_replies->mid_list) return res;
     clistiter * current = 0;
     for ( current = clist_begin( in_replies->mid_list ); current != NULL; current = current->next ) {
         QString h((char*)current->data);
         while (h.length()>0 && h[0]=='<') {
             h.remove(0,1);
         }
         while (h.length()>0 && h[h.length()-1]=='>') {
             h.remove(h.length()-1,1);
         }
         if (h.length()>0) {
             res.append(h);
         }
     }
     return res;
 }
 
 void Genericwrapper::parseList(QValueList<Opie::Core::OSmartPointer<RecMail> > &target,mailsession*session,const QString&mailbox,bool mbox_as_to)
 {
     int r;
     mailmessage_list * env_list = 0;
     r = mailsession_get_messages_list(session,&env_list);
     if (r != MAIL_NO_ERROR) {
-        odebug << "Error message list" << oendl; 
+        odebug << "Error message list" << oendl;
         return;
     }
     r = mailsession_get_envelopes_list(session, env_list);
     if (r != MAIL_NO_ERROR) {
-        odebug << "Error filling message list" << oendl; 
+        odebug << "Error filling message list" << oendl;
         if (env_list) {
             mailmessage_list_free(env_list);
         }
         return;
     }
     mailimf_references * refs = 0;
     mailimf_in_reply_to * in_replies = 0;
     uint32_t i = 0;
     for(; i < carray_count(env_list->msg_tab) ; ++i) {
         mailmessage * msg;
         QBitArray mFlags(7);
         msg = (mailmessage*)carray_get(env_list->msg_tab, i);
         if (msg->msg_fields == NULL) {
-            //odebug << "could not fetch envelope of message " << i << "" << oendl; 
+            //odebug << "could not fetch envelope of message " << i << "" << oendl;
             continue;
         }
         RecMailP mail = new RecMail();
         mail->setWrapper(this);
         mail_flags * flag_result = 0;
         r = mailmessage_get_flags(msg,&flag_result);
         if (r == MAIL_ERROR_NOT_IMPLEMENTED) {
             mFlags.setBit(FLAG_SEEN);
         }
         mailimf_single_fields single_fields;
         mailimf_single_fields_init(&single_fields, msg->msg_fields);
         mail->setMsgsize(msg->msg_size);
         mail->setFlags(mFlags);
         mail->setMbox(mailbox);
         mail->setNumber(msg->msg_index);
         if (single_fields.fld_subject)
             mail->setSubject( convert_String(single_fields.fld_subject->sbj_value));
         if (single_fields.fld_from)
             mail->setFrom(parseMailboxList(single_fields.fld_from->frm_mb_list));
         if (!mbox_as_to) {
             if (single_fields.fld_to)
                 mail->setTo( parseAddressList( single_fields.fld_to->to_addr_list ) );
         } else {
             mail->setTo(mailbox);
         }
         if (single_fields.fld_cc)
             mail->setCC( parseAddressList( single_fields.fld_cc->cc_addr_list ) );
         if (single_fields.fld_bcc)
             mail->setBcc( parseAddressList( single_fields.fld_bcc->bcc_addr_list ) );
         if (single_fields.fld_orig_date)
             mail->setDate( parseDateTime( single_fields.fld_orig_date->dt_date_time ) );
         // crashes when accessing pop3 account?
-        if (single_fields.fld_message_id->mid_value) {
+        if (single_fields.fld_message_id && single_fields.fld_message_id->mid_value) {
             mail->setMsgid(QString(single_fields.fld_message_id->mid_value));
-            odebug << "Msgid == " << mail->Msgid().latin1() << "" << oendl; 
         }
 
         if (single_fields.fld_reply_to) {
             QStringList t = parseAddressList(single_fields.fld_reply_to->rt_addr_list);
             if (t.count()>0) {
                 mail->setReplyto(t[0]);
             }
         }
 #if 0
         refs = single_fields.fld_references;
         if (refs && refs->mid_list && clist_count(refs->mid_list)) {
             char * text = (char*)refs->mid_list->first->data;
             mail->setReplyto(QString(text));
         }
 #endif
         if (single_fields.fld_in_reply_to && single_fields.fld_in_reply_to->mid_list &&
                 clist_count(single_fields.fld_in_reply_to->mid_list)) {
             mail->setInreply(parseInreplies(single_fields.fld_in_reply_to));
         }
         target.append(mail);
     }
     if (env_list) {
         mailmessage_list_free(env_list);
     }
 }