#include "context.h"
#include "netconfig.h"
+#include "netspool.h"
#include "ctdl_module.h"
-/*
- * We build a map of network nodes during processing.
- */
-NetMap *the_netmap = NULL;
-int netmap_changed = 0;
-char *working_ignetcfg = NULL;
-
/*
* Load or refresh the Citadel network (IGnet) configuration for this node.
*/
-void load_working_ignetcfg(void) {
- char *cfg;
- char *oldcfg;
-
- cfg = CtdlGetSysConfig(IGNETCFG);
- if (cfg == NULL) {
- cfg = strdup("");
- }
-
- oldcfg = working_ignetcfg;
- working_ignetcfg = cfg;
- if (oldcfg != NULL) {
- free(oldcfg);
- }
+char* load_working_ignetcfg(void) {
+ return CtdlGetSysConfig(IGNETCFG);
}
+
/*
* Read the network map from its configuration file into memory.
*/
-void read_network_map(void) {
+NetMap *read_network_map(void) {
char *serialized_map = NULL;
int i;
char buf[SIZ];
- NetMap *nmptr;
+ NetMap *nmptr, *the_netmap;
+ the_netmap = NULL;
serialized_map = CtdlGetSysConfig(IGNETMAP);
- if (serialized_map == NULL) return; /* if null, no entries */
+ if (serialized_map == NULL) return NULL; /* if null, no entries */
/* Use the string tokenizer to grab one line at a time */
for (i=0; i<num_tokens(serialized_map, '\n'); ++i) {
}
free(serialized_map);
- netmap_changed = 0;
+ return the_netmap;
}
/*
* Write the network map from memory back to the configuration file.
*/
-void write_network_map(void) {
+void write_network_map(NetMap *the_netmap, int netmap_changed) {
char *serialized_map = NULL;
NetMap *nmptr;
-/*
- * Keep track of what messages to reject
- */
-FilterList *load_filter_list(void) {
- char *serialized_list = NULL;
- int i;
- char buf[SIZ];
- FilterList *newlist = NULL;
- FilterList *nptr;
-
- serialized_list = CtdlGetSysConfig(FILTERLIST);
- if (serialized_list == NULL) return(NULL); /* if null, no entries */
-
- /* Use the string tokenizer to grab one line at a time */
- for (i=0; i<num_tokens(serialized_list, '\n'); ++i) {
- extract_token(buf, serialized_list, i, '\n', sizeof buf);
- nptr = (FilterList *) malloc(sizeof(FilterList));
- extract_token(nptr->fl_user, buf, 0, '|', sizeof nptr->fl_user);
- striplt(nptr->fl_user);
- extract_token(nptr->fl_room, buf, 1, '|', sizeof nptr->fl_room);
- striplt(nptr->fl_room);
- extract_token(nptr->fl_node, buf, 2, '|', sizeof nptr->fl_node);
- striplt(nptr->fl_node);
-
- /* Cowardly refuse to add an any/any/any entry that would
- * end up filtering every single message.
- */
- if (IsEmptyStr(nptr->fl_user) &&
- IsEmptyStr(nptr->fl_room) &&
- IsEmptyStr(nptr->fl_node)) {
- free(nptr);
- }
- else {
- nptr->next = newlist;
- newlist = nptr;
- }
- }
-
- free(serialized_list);
- return newlist;
-}
-
-
-void free_filter_list(FilterList *fl) {
- if (fl == NULL) return;
- free_filter_list(fl->next);
- free(fl);
-}
-
/*
* Check the network map and determine whether the supplied node name is
* valid. If it is not a neighbor node, supply the name of a neighbor node
* which is the next hop. If it *is* a neighbor node, we also fill in the
* shared secret.
*/
-int is_valid_node(char *nexthop, char *secret, char *node) {
+int is_valid_node(char *nexthop,
+ char *secret,
+ char *node,
+ char *working_ignetcfg,
+ NetMap *the_netmap)
+{
int i;
char linebuf[SIZ];
char buf[SIZ];
/*
* First try the neighbor nodes
*/
- if (working_ignetcfg == NULL) {
- syslog(LOG_ERR, "working_ignetcfg is NULL!\n");
+ if ((working_ignetcfg == NULL) || (*working_ignetcfg == '\0')) {
+ syslog(LOG_ERR, "working_ignetcfg is empty!\n");
if (nexthop != NULL) {
strcpy(nexthop, "");
}
*/
void cmd_netp(char *cmdbuf)
{
+ char *working_ignetcfg;
char node[256];
+ long nodelen;
char pass[256];
int v;
char err_buf[SIZ];
/* Authenticate */
- extract_token(node, cmdbuf, 0, '|', sizeof node);
+ nodelen = extract_token(node, cmdbuf, 0, '|', sizeof node);
extract_token(pass, cmdbuf, 1, '|', sizeof pass);
/* load the IGnet Configuration to check node validity */
- load_working_ignetcfg();
- v = is_valid_node(nexthop, secret, node);
+ working_ignetcfg = load_working_ignetcfg();
+ v = is_valid_node(nexthop, secret, node, working_ignetcfg, NULL); //// TODO do we need the netmap?
if (v != 0) {
snprintf(err_buf, sizeof err_buf,
syslog(LOG_WARNING, "%s", err_buf);
cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED);
CtdlAideMessage(err_buf, "IGNet Networking.");
+ free(working_ignetcfg);
return;
}
syslog(LOG_WARNING, "%s", err_buf);
cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED);
CtdlAideMessage(err_buf, "IGNet Networking.");
+ free(working_ignetcfg);
return;
}
- if (network_talking_to(node, NTT_CHECK)) {
+ if (network_talking_to(node, nodelen, NTT_CHECK)) {
syslog(LOG_WARNING, "Duplicate session for network node <%s>", node);
cprintf("%d Already talking to %s right now\n", ERROR + RESOURCE_BUSY, node);
+ free(working_ignetcfg);
return;
}
safestrncpy(CC->net_node, node, sizeof CC->net_node);
- network_talking_to(node, NTT_ADD);
+ network_talking_to(node, nodelen, NTT_ADD);
syslog(LOG_NOTICE, "Network node <%s> logged in from %s [%s]\n",
CC->net_node, CC->cs_host, CC->cs_addr
);
cprintf("%d authenticated as network node '%s'\n", CIT_OK, CC->net_node);
+ free(working_ignetcfg);
}
+int netconfig_check_roomaccess(
+ char *errmsgbuf,
+ size_t n,
+ const char* RemoteIdentifier)
+{
+ SpoolControl *sc;
+ char filename[SIZ];
+ int found;
+
+ if (RemoteIdentifier == NULL)
+ {
+ snprintf(errmsgbuf, n, "Need sender to permit access.");
+ return (ERROR + USERNAME_REQUIRED);
+ }
+
+ assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
+ begin_critical_section(S_NETCONFIGS);
+ if (!read_spoolcontrol_file(&sc, filename))
+ {
+ end_critical_section(S_NETCONFIGS);
+ snprintf(errmsgbuf, n,
+ "This mailing list only accepts posts from subscribers.");
+ return (ERROR + NO_SUCH_USER);
+ }
+ end_critical_section(S_NETCONFIGS);
+ found = is_recipient (sc, RemoteIdentifier);
+ free_spoolcontrol_struct(&sc);
+ if (found) {
+ return (0);
+ }
+ else {
+ snprintf(errmsgbuf, n,
+ "This mailing list only accepts posts from subscribers.");
+ return (ERROR + NO_SUCH_USER);
+ }
+}
/*
* Module entry point
*/