зеркало из https://github.com/mozilla/pjs.git
first insert of mknews (C++ version) into netlib from Nova
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alecf%netscape.com
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/* -*- Mode: C; tab-width: 4 -*- */
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#include "mkutils.h"
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#include "msgcom.h"
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#include "xp_reg.h"
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#include "xp_qsort.h"
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/* UNIX doesn't need this stuff since it uses the file system
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* to store the mappings as filenames
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*/
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XP_List *HostMapList=0;
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Bool NewsrcMapDirty=FALSE;
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typedef struct _NewsrcHostMap {
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char * filename;
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char * psuedo_name;
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Bool is_newsgroups_file; /* This was Bool * */
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} NewsrcHostMap;
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/* register a newsrc file mapping
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*/
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PUBLIC Bool
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NET_RegisterNewsrcFile(char * filename,
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char *hostname,
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Bool bs,
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Bool is_newsgroups_file)
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{
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NewsrcHostMap *host_map_struct = PR_NEW(NewsrcHostMap);
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XP_List * list_prt;
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NewsrcHostMap *tmp_host_map_struct;
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if(!host_map_struct)
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return(FALSE);
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memset(host_map_struct, 0, sizeof(NewsrcHostMap));
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/* you losers, there's no such thing as XP_Assert in xfe!! */
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assert(filename);
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assert(hostname);
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if(bs)
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StrAllocCopy(host_map_struct->psuedo_name, "snewsrc-");
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else
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StrAllocCopy(host_map_struct->psuedo_name, "newsrc-");
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StrAllocCat(host_map_struct->psuedo_name, hostname);
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StrAllocCopy(host_map_struct->filename, filename);
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host_map_struct->is_newsgroups_file = is_newsgroups_file;
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if(!HostMapList)
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HostMapList = XP_ListNew();
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if(!HostMapList)
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return(FALSE);
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NewsrcMapDirty = TRUE;
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/* search for duplicate mappings */
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list_prt = HostMapList;
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while((tmp_host_map_struct = (NewsrcHostMap *)XP_ListNextObject(list_prt)) != NULL)
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{
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if(tmp_host_map_struct->is_newsgroups_file == is_newsgroups_file
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&& !PL_strcasecmp(tmp_host_map_struct->psuedo_name,
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host_map_struct->psuedo_name))
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{
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XP_ListRemoveObject(HostMapList, tmp_host_map_struct);
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FREEIF(tmp_host_map_struct->psuedo_name);
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FREEIF(tmp_host_map_struct->filename);
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FREE(tmp_host_map_struct);
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break; /* end search */
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}
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}
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XP_ListAddObjectToEnd(HostMapList, host_map_struct);
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NET_SaveNewsrcFileMappings();
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return(TRUE);
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}
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/* removes a newshost to file mapping. Removes both
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* the newsrc and the newsgroups mapping
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* this function does not remove the actual files,
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* that is left up to the caller
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*/
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PUBLIC void
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NET_UnregisterNewsHost(const char *host,
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Bool bs)
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{
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XP_List * list_prt = HostMapList;
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NewsrcHostMap *host_map_struct;
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char *hostname;
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PR_ASSERT(host);
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if(!host)
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return;
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/* Run through the entire list and remove all entries that
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* match that hostname
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*/
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while((host_map_struct = (NewsrcHostMap *)XP_ListNextObject(list_prt)) != NULL)
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{
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if(bs && *host_map_struct->psuedo_name != 's')
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continue;
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if(!bs && *host_map_struct->psuedo_name == 's')
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continue;
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hostname = PL_strchr(host_map_struct->psuedo_name, '-');
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if(!hostname)
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continue;
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hostname++;
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if(PL_strcasecmp(hostname, host))
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continue;
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XP_ListRemoveObject(HostMapList, host_map_struct);
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NewsrcMapDirty = TRUE;
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/* free the data */
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FREEIF(host_map_struct->psuedo_name);
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FREEIF(host_map_struct->filename);
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FREE(host_map_struct);
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/* we must start over in the list because the
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* act of removeing an item will cause purity
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* errors if we don't start over
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*/
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list_prt = HostMapList;
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}
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NET_SaveNewsrcFileMappings();
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}
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/* map a filename and security status into a filename
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*
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* returns NULL on error or no mapping.
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*/
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PUBLIC char *
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NET_MapNewsrcHostToFilename(char * host,
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Bool bs,
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Bool is_newsgroups_file)
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{
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XP_List * list_prt = HostMapList;
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NewsrcHostMap *host_map_struct;
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char *hostname;
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while((host_map_struct = (NewsrcHostMap *)XP_ListNextObject(list_prt)) != NULL)
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{
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if(is_newsgroups_file != host_map_struct->is_newsgroups_file)
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continue;
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if(bs && *host_map_struct->psuedo_name != 's')
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continue;
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if(!bs && *host_map_struct->psuedo_name == 's')
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continue;
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hostname = PL_strchr(host_map_struct->psuedo_name, '-');
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if(!hostname)
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continue;
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hostname++;
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if(PL_strcasecmp(hostname, host))
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continue;
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return(host_map_struct->filename);
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}
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return(NULL);
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}
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#define NEWSRC_MAP_FILE_COOKIE "netscape-newsrc-map-file"
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/* save newsrc file mappings from memory onto disk
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*/
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PUBLIC Bool
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NET_SaveNewsrcFileMappings()
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{
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XP_List * list_prt = HostMapList;
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NewsrcHostMap *host_map_struct;
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XP_File fp;
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if(!NewsrcMapDirty)
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return(TRUE);
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if(!(fp = XP_FileOpen("", xpNewsrcFileMap, XP_FILE_WRITE_BIN)))
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{
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return(FALSE);
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}
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XP_FileWrite(NEWSRC_MAP_FILE_COOKIE, PL_strlen(NEWSRC_MAP_FILE_COOKIE), fp);
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XP_FileWrite(LINEBREAK, PL_strlen(LINEBREAK), fp);
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while((host_map_struct = (NewsrcHostMap *)XP_ListNextObject(list_prt)) != NULL)
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{
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XP_FileWrite(host_map_struct->psuedo_name,
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PL_strlen(host_map_struct->psuedo_name),
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fp);
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XP_FileWrite("\t", 1, fp);
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XP_FileWrite(host_map_struct->filename,
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PL_strlen(host_map_struct->filename),
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fp);
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XP_FileWrite("\t", 1, fp);
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if(host_map_struct->is_newsgroups_file)
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XP_FileWrite("TRUE", 4, fp);
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else
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XP_FileWrite("FALSE", 5, fp);
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XP_FileWrite(LINEBREAK, PL_strlen(LINEBREAK), fp);
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}
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XP_FileClose(fp);
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NewsrcMapDirty = FALSE;
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return(TRUE);
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}
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/* read newsrc file mappings from disk into memory
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*/
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PUBLIC Bool
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NET_ReadNewsrcFileMappings()
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{
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XP_File fp;
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char buffer[512];
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char psuedo_name[512];
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char filename[512];
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char is_newsgroup[512];
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NewsrcHostMap * hs_struct;
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if(!(fp = XP_FileOpen("", xpNewsrcFileMap, XP_FILE_READ_BIN)))
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{
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return(FALSE);
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}
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if(!HostMapList)
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HostMapList = XP_ListNew();
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/* get the cookie and ignore */
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XP_FileReadLine(buffer, sizeof(buffer), fp);
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while(XP_FileReadLine(buffer, sizeof(buffer), fp))
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{
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char * p;
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int i;
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hs_struct = PR_NEW(NewsrcHostMap);
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if(!hs_struct)
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return(FALSE);
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memset(hs_struct, 0, sizeof(NewsrcHostMap));
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/*
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This used to be scanf() call which would incorrectly
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parse long filenames with spaces in them. - JRE
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*/
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filename[0] = '\0';
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is_newsgroup[0]='\0';
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for (i = 0, p = buffer; *p && *p != '\t' && i < 500; p++, i++)
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psuedo_name[i] = *p;
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psuedo_name[i] = '\0';
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if (*p)
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{
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for (i = 0, p++; *p && *p != '\t' && i < 500; p++, i++)
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filename[i] = *p;
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filename[i]='\0';
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if (*p)
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{
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for (i = 0, p++; *p && *p != '\r' && i < 500; p++, i++)
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is_newsgroup[i] = *p;
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is_newsgroup[i]='\0';
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}
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}
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StrAllocCopy(hs_struct->psuedo_name, psuedo_name);
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StrAllocCopy(hs_struct->filename, filename);
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if(!XP_STRNCMP(is_newsgroup, "TRUE", 4))
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hs_struct->is_newsgroups_file = TRUE;
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XP_ListAddObjectToEnd(HostMapList, hs_struct);
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}
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XP_FileClose(fp);
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return(TRUE);
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}
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PUBLIC void
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NET_FreeNewsrcFileMappings(void)
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{
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NewsrcHostMap *host_map_struct;
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while((host_map_struct = (NewsrcHostMap *)XP_ListRemoveTopObject(HostMapList)) != NULL)
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{
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FREEIF(host_map_struct->psuedo_name);
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FREEIF(host_map_struct->filename);
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FREE(host_map_struct);
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}
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}
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#if defined(DEBUG) && defined(XP_UNIX)
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PUBLIC void
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TestNewsrcFileMappings(void)
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{
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HG04206;
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printf("insec flop maps to: %s\n", NET_MapNewsrcHostToFilename("flop", FALSE, FALSE));
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printf("insec news maps to: %s\n", NET_MapNewsrcHostToFilename("news", FALSE, FALSE));
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NET_RegisterNewsrcFile("newsrc-flop", "flop", FALSE, FALSE);
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NET_RegisterNewsrcFile("snewsrc-flop", "flop", TRUE, FALSE);
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NET_RegisterNewsrcFile("newsrc-news", "news", FALSE, FALSE);
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HG04206;
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printf("insec flop maps to: %s\n", NET_MapNewsrcHostToFilename("flop", FALSE, FALSE));
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printf("insec news maps to: %s\n", NET_MapNewsrcHostToFilename("news", FALSE, FALSE));
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printf("saving mappings\n");
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NET_SaveNewsrcFileMappings();
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printf("freeing mappings\n");
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NET_FreeNewsrcFileMappings();
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printf("reading mappings\n");
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NET_ReadNewsrcFileMappings();
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printf("adding duplicates\n");
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NET_RegisterNewsrcFile("newsrc-flop", "flop", FALSE, FALSE);
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NET_RegisterNewsrcFile("snewsrc-flop", "flop", TRUE, FALSE);
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NET_RegisterNewsrcFile("newsrc-news", "news", FALSE, FALSE);
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HG04206;
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printf("insec flop maps to: %s\n", NET_MapNewsrcHostToFilename("flop", FALSE, FALSE));
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printf("insec news maps to: %s\n", NET_MapNewsrcHostToFilename("news", FALSE, FALSE));
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}
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#endif
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/* XP_GetNewsRCFiles returns a null terminated array
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* of pointers to malloc'd filename's. Each filename
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* represents a different newsrc file.
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*
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* return only the filename since the path is not needed
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* or wanted.
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*
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* Netlib is expecting a string of the form:
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* [s]newsrc-host.name.domain[:port]
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*
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* examples:
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* newsrc-news.mcom.com
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* snewsrc-flop.mcom.com
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* newsrc-news.mcom.com:118
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* snewsrc-flop.mcom.com:1191
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*
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* the port number is optional and should only be
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* there when different from the default.
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* the "s" in front of newsrc signifies that
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* security is to be used.
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*
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* return NULL on critical error or no files
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*/
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#if !defined(XP_UNIX)
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PUBLIC char ** XP_GetNewsRCFiles(void)
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{
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/* @@@ max number of newsrc's is 512
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*/
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char ** rv = (char **)PL_Malloc(sizeof(char*)*512);
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XP_List * list_prt = HostMapList;
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NewsrcHostMap *host_map_struct;
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int count=0;
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if(!rv)
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return(NULL);
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memset(rv, 0, sizeof(char*)*512);
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while((host_map_struct = (NewsrcHostMap *)XP_ListNextObject(list_prt)) != NULL)
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{
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if(host_map_struct->is_newsgroups_file)
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continue;
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StrAllocCopy(rv[count++], host_map_struct->psuedo_name);
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if(count >= 510)
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break;
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}
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return(rv);
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}
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#endif /* UNIX */
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