* More addressing hacks
[citadel.git] / citadel / internet_addressing.c
index 1eda2ae400d92fa8a0641474e4e95093bf366d1d..e1878423986b1efbc8898c41d6719208e9c38d2a 100644 (file)
 #include "tools.h"
 #include "internet_addressing.h"
 #include "user_ops.h"
+#include "room_ops.h"
 #include "parsedate.h"
 
 
+struct trynamebuf {
+       char buffer1[256];
+       char buffer2[256];
+};
+
+char *inetcfg = NULL;
+
+
+
+/*
+ * Return nonzero if the supplied name is an alias for this host.
+ */
+int CtdlHostAlias(char *fqdn) {
+       int config_lines;
+       int i;
+       char buf[256];
+       char host[256], type[256];
+
+       if (!strcasecmp(fqdn, config.c_fqdn)) return(hostalias_localhost);
+       if (inetcfg == NULL) return(hostalias_nomatch);
+
+       config_lines = num_tokens(inetcfg, '\n');
+       for (i=0; i<config_lines; ++i) {
+               extract_token(buf, inetcfg, i, '\n');
+               extract_token(host, buf, 0, '|');
+               extract_token(type, buf, 1, '|');
+
+               if ( (!strcasecmp(type, "localhost"))
+                  && (!strcasecmp(fqdn, host)))
+                       return(hostalias_localhost);
+
+               if ( (!strcasecmp(type, "gatewaydomain"))
+                  && (!strcasecmp(&fqdn[strlen(fqdn)-strlen(host)], host)))
+                       return(hostalias_gatewaydomain);
+
+       }
+
+       return(hostalias_nomatch);
+}
+
+
+
+
+
+
 
 /*
  * Return 0 if a given string fuzzy-matches a Citadel user account
  *
- * FIX ... this needs to be updated to match any and all address syntaxes.
+ * FIX ... this needs to be updated to handle aliases.
  */
 int fuzzy_match(struct usersupp *us, char *matchstring) {
        int a;
 
+       if ( (!strncasecmp(matchstring, "cit", 3)) 
+          && (atol(&matchstring[3]) == us->usernum)) {
+               return 0;
+       }
+
+
        for (a=0; a<strlen(us->fullname); ++a) {
                if (!strncasecmp(&us->fullname[a],
                   matchstring, strlen(matchstring))) {
@@ -217,18 +269,20 @@ void process_rfc822_addr(char *rfc822, char *user, char *node, char *name)
  * Back end for convert_internet_address()
  * (Compares an internet name [buffer1] and stores in [buffer2] if found)
  */
-void try_name(struct usersupp *us) {
+void try_name(struct usersupp *us, void *data) {
+       struct trynamebuf *tnb;
+       tnb = (struct trynamebuf *)data;
        
-       if (!strncasecmp(CC->buffer1, "cit", 3))
-               if (atol(&CC->buffer1[3]) == us->usernum)
-                       strcpy(CC->buffer2, us->fullname);
+       if (!strncasecmp(tnb->buffer1, "cit", 3))
+               if (atol(&tnb->buffer1[3]) == us->usernum)
+                       strcpy(tnb->buffer2, us->fullname);
 
-       if (!collapsed_strcmp(CC->buffer1, us->fullname)) 
-                       strcpy(CC->buffer2, us->fullname);
+       if (!collapsed_strcmp(tnb->buffer1, us->fullname)) 
+                       strcpy(tnb->buffer2, us->fullname);
 
        if (us->uid != BBSUID)
-               if (!strcasecmp(CC->buffer1, getpwuid(us->uid)->pw_name))
-                       strcpy(CC->buffer2, us->fullname);
+               if (!strcasecmp(tnb->buffer1, getpwuid(us->uid)->pw_name))
+                       strcpy(tnb->buffer2, us->fullname);
 }
 
 
@@ -240,39 +294,57 @@ int convert_internet_address(char *destuser, char *desthost, char *source)
        char user[256];
        char node[256];
        char name[256];
+       struct quickroom qrbuf;
+       int i;
+       int hostalias;
+       struct trynamebuf tnb;
+       char buf[256];
 
        /* Split it up */
        process_rfc822_addr(source, user, node, name);
 
        /* Map the FQDN to a Citadel node name
-        * FIX ... we have to check for all known aliases for the local
-        *         system, and also handle gateway domains, etc. etc.
         */
-       if (!strcasecmp(node, config.c_fqdn)) {
-               strcpy(node, config.c_nodename);
+       hostalias =  CtdlHostAlias(node);
+       switch(hostalias) {
+               case hostalias_localhost:
+                       strcpy(node, config.c_nodename);
+                       break;
+
+               case hostalias_gatewaydomain:
+                       extract_token(buf, node, 0, '.');
+                       safestrncpy(node, buf, sizeof buf);
        }
 
-       /* Return an error condition if the node is not known.
-        * FIX ... make this work for non-local systems
-        */
-       if (strcasecmp(node, config.c_nodename)) {
-               return(rfc822_address_invalid);
-       }
-       
        /* Now try to resolve the name
         * FIX ... do the multiple-addresses thing
         */
        if (!strcasecmp(node, config.c_nodename)) {
+               /* Try all local rooms */
+               if (!strncasecmp(user, "room_", 5)) {
+                       strcpy(name, &user[5]);
+                       for (i=0; i<strlen(name); ++i) 
+                               if (name[i]=='_') name[i]=' ';
+                       if (getroom(&qrbuf, name) == 0) {
+                               strcpy(destuser, qrbuf.QRname);
+                               strcpy(desthost, config.c_nodename);
+                               return rfc822_room_delivery;
+                       }
+               }
+
+               /* Try all local users */
                strcpy(destuser, user);
                strcpy(desthost, config.c_nodename);
-               strcpy(CC->buffer1, user);
-               strcpy(CC->buffer2, "");
-               ForEachUser(try_name);
-               if (strlen(CC->buffer2) == 0) return(rfc822_no_such_user);
-               strcpy(destuser, CC->buffer2);
+               strcpy(tnb.buffer1, user);
+               strcpy(tnb.buffer2, "");
+               ForEachUser(try_name, &tnb);
+               if (strlen(tnb.buffer2) == 0) return(rfc822_no_such_user);
+               strcpy(destuser, tnb.buffer2);
                return(rfc822_address_locally_validated);
        }
 
+       strcpy(destuser, user);
+       strcpy(desthost, node);
        return(rfc822_address_invalid); /* unknown error */
 }
 
@@ -295,7 +367,11 @@ int convert_field(struct CtdlMessage *msg, int beg, int end) {
        int colonpos = (-1);
        int processed = 0;
        char buf[256];
-       char *user, *node, *name;
+       char user[1024];
+       char node[1024];
+       char name[1024];
+       char addr[1024];
+       time_t parsed_date;
 
        rfc822 = msg->cm_fields['M'];   /* M field contains rfc822 text */
        for (i = end; i >= beg; --i) {
@@ -312,33 +388,33 @@ int convert_field(struct CtdlMessage *msg, int beg, int end) {
 
        lprintf(9, "Key=<%s> Value=<%s>\n", key, value);
 
-       /* Here's the big rfc822-to-citadel loop. */
+       /*
+        * Here's the big rfc822-to-citadel loop.
+        */
 
+       /* Date/time is converted into a unix timestamp.  If the conversion
+        * fails, we replace it with the time the message arrived locally.
+        */
        if (!strcasecmp(key, "Date")) {
-               sprintf(buf, "%ld", parsedate(value) );
+               parsed_date = parsedate(value);
+               if (parsed_date < 0L) parsed_date = time(NULL);
+               lprintf(9, "Parsed date is %s",
+                       asctime(localtime(&parsed_date)));
+               sprintf(buf, "%ld", parsed_date );
                if (msg->cm_fields['T'] == NULL)
                        msg->cm_fields['T'] = strdoop(buf);
                processed = 1;
        }
 
        else if (!strcasecmp(key, "From")) {
-               user = mallok(strlen(value));
-               node = mallok(strlen(value));
-               name = mallok(strlen(value));
                process_rfc822_addr(value, user, node, name);
                lprintf(9, "Converted to <%s@%s> (%s)\n", user, node, name);
+               sprintf(addr, "%s@%s", user, node);
                if (msg->cm_fields['A'] == NULL)
-                       msg->cm_fields['A'] = user;
-               else
-                       phree(user);
-               if (msg->cm_fields['N'] == NULL)
-                       msg->cm_fields['N'] = node;
-               else
-                       phree(node);
-               if (msg->cm_fields['H'] == NULL)
-                       msg->cm_fields['H'] = name;
-               else
-                       phree(name);
+                       msg->cm_fields['A'] = strdoop(name);
+               processed = 1;
+               if (msg->cm_fields['F'] == NULL)
+                       msg->cm_fields['F'] = strdoop(addr);
                processed = 1;
        }
 
@@ -402,12 +478,11 @@ struct CtdlMessage *convert_internet_message(char *rfc822) {
                /* At this point we have a field.  Are we interested in it? */
                converted = convert_field(msg, beg, end);
 
-               /******
+               /* Strip the field out of the RFC822 header if we used it */
                if (converted) {
                        strcpy(&rfc822[beg], &rfc822[pos]);
                        pos = beg;
                }
-               ********/
 
                /* If we've hit the end of the message, bail out */
                if (pos > strlen(rfc822)) done = 1;