polypath: change return type of ifname_wanted, to char

[secnet.git] / polypath.c

diff --git a/polypath.c b/polypath.c
index 45e875aef968042bd66955bf4efe6603e55c8fe5..ac6a18b7e95d5972a6cdabbe45509df741edcaf4 100644 (file)
--- a/polypath.c
+++ b/polypath.c
@@ -1,6 +1,24 @@
 /* polypath
  * send/receive module for secnet
  * for multi-route setups */
+/*
+ * This file is part of secnet.
+ * See README for full list of copyright holders.
+ *
+ * secnet is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version d of the License, or
+ * (at your option) any later version.
+ * 
+ * secnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * version 3 along with secnet; if not, see
+ * https://www.gnu.org/licenses/gpl.html.
+ */
 
 #include "secnet.h"
 #include "util.h"
@@ -65,7 +83,7 @@ static const char *polypath_addr_to_string(void *commst,
 }
 
 static bool_t ifname_search_pats(struct polypath *st, struct cloc loc,
-                                const char *ifname, bool_t *want_io,
+                                const char *ifname, char *want_io,
                                 const char *const *pats) {
     /* Returns True iff we found a list entry, in which case *want_io
      * is set to the sense of that entry.  Otherwise *want_io is set
@@ -75,9 +93,8 @@ static bool_t ifname_search_pats(struct polypath *st, struct cloc loc,
     const char *const *pati;
     for (pati=pats; *pati; pati++) {
        const char *pat=*pati;
-       if (*pat=='!') { *want_io=False; pat++; }
-       else if (*pat=='+') { *want_io=True; pat++; }
-       else if (*pat=='*' || isalnum((unsigned char)*pat)) { *want_io=True; }
+       if (*pat=='!' || *pat=='+') { *want_io=*pat; pat++; }
+       else if (*pat=='*' || isalnum((unsigned char)*pat)) { *want_io='+'; }
        else cfgfatal(loc,"polypath","invalid interface name pattern `%s'",pat);
        int match=fnmatch(pat,ifname,0);
        if (match==0) return True;
@@ -87,13 +104,13 @@ static bool_t ifname_search_pats(struct polypath *st, struct cloc loc,
     return False;
 }
 
-static bool_t ifname_wanted(struct polypath *st, struct cloc loc,
-                           const char *ifname) {
-    bool_t want=False; /* pretend an empty cfg ends with !<doesn'tmatch> */
+static char ifname_wanted(struct polypath *st, struct cloc loc,
+                         const char *ifname) {
+    char want='!'; /* pretend an empty cfg ends with !<doesn'tmatch> */
     if (ifname_search_pats(st,loc,ifname,&want, st->ifname_pats))
        return want;
-    if (want) /* last pattern was positive, do not search default */
-       return False;
+    if (want!='!') /* last pattern was positive, do not search default */
+       return '!';
     if (!st->permit_loopback &&
        ifname_search_pats(st,loc,ifname,&want, default_loopback_ifname_pats))
        return want;
@@ -203,8 +220,9 @@ static void polypath_process_monitor_line(struct polypath *st, char *orgl,
        goto out;                                                       \
     }while(0)
 
-    if (!ifname_wanted(st,st->uc.cc.loc,ifname))
-       DONT("unwanted interface name");
+    char want=ifname_wanted(st,st->uc.cc.loc,ifname);
+    if (want=='!') DONT("unwanted interface name");
+    assert(want=='+');
 
     switch (ia.sa.sa_family) {
     case AF_INET6: {
@@ -425,7 +443,8 @@ static void polypath_afterpoll_monitor(void *state, struct pollfd *fds,
 
 /* Actual udp packet sending work */
 static bool_t polypath_sendmsg(void *commst, struct buffer_if *buf,
-                         const struct comm_addr *dest)
+                         const struct comm_addr *dest,
+                         struct comm_clientinfo *clientinfo)
 {
     struct polypath *st=commst;
     struct interf *interf;