From 3c0a3e22536d009f3d4cc1faa37007058f51431b Mon Sep 17 00:00:00 2001
From: venaas <venaas>
Date: Tue, 3 Feb 2009 15:46:22 +0000
Subject: allowing multiple host statements in client and server blocks

git-svn-id: https://svn.testnett.uninett.no/radsecproxy/trunk@466 e88ac4ed-0b26-0410-9574-a7f39faa03bf
---
 hostport.c    | 27 ++++++++++++-------
 hostport.h    |  2 +-
 radsecproxy.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++-------------
 radsecproxy.h |  2 +-
 4 files changed, 85 insertions(+), 29 deletions(-)

diff --git a/hostport.c b/hostport.c
index 9360299..238af0e 100644
--- a/hostport.c
+++ b/hostport.c
@@ -173,18 +173,27 @@ int resolvehostport(struct hostportres *hp, int socktype, uint8_t passive) {
     return 0;
 }	  
 
-int addhostport(struct list **hostports, char *hostport, char *portdefault, uint8_t prefixok) {
+int addhostport(struct list **hostports, char **hostport, char *portdefault, uint8_t prefixok) {
     struct hostportres *hp;
+    int i;
 
-    hp = newhostport(hostport, portdefault, prefixok);
-    if (!hp)
-	return 0;
-    if (!*hostports)
+    if (!*hostports) {
 	*hostports = list_create();
-    if (!*hostports || !list_push(*hostports, hp)) {
-	freehostport(hp);
-	debug(DBG_ERR, "addhostport: malloc failed");
-	return 0;
+        if (!*hostports) {
+	    debug(DBG_ERR, "addhostport: malloc failed");
+	    return 0;
+	}
+    }
+    
+    for (i = 0; hostport[i]; i++) {
+	hp = newhostport(hostport[i], portdefault, prefixok);
+	if (!hp)
+	    return 0;
+	if (!list_push(*hostports, hp)) {
+	    freehostport(hp);
+	    debug(DBG_ERR, "addhostport: malloc failed");
+	    return 0;
+	}
     }
     return 1;
 }
diff --git a/hostport.h b/hostport.h
index ff3a309..d28f8ee 100644
--- a/hostport.h
+++ b/hostport.h
@@ -14,7 +14,7 @@ struct hostportres {
 };
 
 struct hostportres *newhostport(char *hostport, char *default_port, uint8_t prefixok);
-int addhostport(struct list **hostports, char *hostport, char *portdefault, uint8_t prefixok);
+int addhostport(struct list **hostports, char **hostport, char *portdefault, uint8_t prefixok);
 void freehostport(struct hostportres *hp);
 void freehostports(struct list *hostports);
 int resolvehostport(struct hostportres *hp, int socktype, uint8_t passive);
diff --git a/radsecproxy.c b/radsecproxy.c
index 8df4e1d..79625ca 100644
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -1738,7 +1738,7 @@ void *clientwr(void *arg) {
     }
     
     if (!resolvehostports(conf->hostports, conf->pdef->socktype)) {
-	debug(DBG_WARN, "failed to resolve host %s port %s", conf->hostsrc ? conf->hostsrc : "(null)", conf->portsrc ? conf->portsrc : "(null)");
+	debug(DBG_WARN, "clientwr: resolve failed");
 	server->dynstartup = 0;
 	sleep(900);
 	goto errexit;
@@ -2470,7 +2470,8 @@ int setttlattr(struct options *opts, char *defaultattr) {
 
 void freeclsrvconf(struct clsrvconf *conf) {
     free(conf->name);
-    free(conf->hostsrc);
+    if (conf->hostsrc)
+	freegconfmstr(conf->hostsrc);
     free(conf->portsrc);
     free(conf->secret);
     free(conf->tls);
@@ -2519,10 +2520,51 @@ int mergeconfstring(char **dst, char **src) {
     return 1;
 }
 
+char **mstringcopy(char **in) {
+    char **out;
+    int n;
+    
+    if (!in)
+	return NULL;
+
+    for (n = 0; in[n]; n++);
+    out = malloc((n + 1) * sizeof(char *));
+    if (!out)
+	return NULL;
+    for (n = 0; in[n]; n++) {
+	out[n] = stringcopy(in[n], 0);
+	if (!out[n]) {
+	    freegconfmstr(out);
+	    return NULL;
+	}
+    }
+    out[n] = NULL;
+    return out;
+}
+
+int mergeconfmstring(char ***dst, char ***src) {
+    char **t;
+    
+    if (*src) {
+	*dst = *src;
+	*src = NULL;
+	return 1;
+    }
+    if (*dst) {
+	t = mstringcopy(*dst);
+	if (!t) {
+	    debug(DBG_ERR, "malloc failed");
+	    return 0;
+	}
+	*dst = t;
+    }
+    return 1;
+}
+
 /* assumes dst is a shallow copy */
 int mergesrvconf(struct clsrvconf *dst, struct clsrvconf *src) {
     if (!mergeconfstring(&dst->name, &src->name) ||
-	!mergeconfstring(&dst->hostsrc, &src->hostsrc) ||
+	!mergeconfmstring(&dst->hostsrc, &src->hostsrc) ||
 	!mergeconfstring(&dst->portsrc, &src->portsrc) ||
 	!mergeconfstring(&dst->secret, &src->secret) ||
 	!mergeconfstring(&dst->tls, &src->tls) ||
@@ -2557,7 +2599,7 @@ int confclient_cb(struct gconffile **cf, void *arg, char *block, char *opt, char
     
     if (!getgenericconfig(cf, block,
 			  "type", CONF_STR, &conftype,
-			  "host", CONF_STR, &conf->hostsrc,
+			  "host", CONF_MSTR, &conf->hostsrc,
 			  "secret", CONF_STR, &conf->secret,
 #if defined(RADPROT_TLS) || defined(RADPROT_DTLS)    
 			  "tls", CONF_STR, &conf->tls,
@@ -2575,9 +2617,14 @@ int confclient_cb(struct gconffile **cf, void *arg, char *block, char *opt, char
 	debugx(1, DBG_ERR, "configuration error");
     
     conf->name = stringcopy(val, 0);
-    if (!conf->hostsrc)
-	conf->hostsrc = stringcopy(val, 0);
-    if (!conf->name || !conf->hostsrc)
+    if (conf->name && !conf->hostsrc) {
+	conf->hostsrc = malloc(2 * sizeof(char *));
+	if (conf->hostsrc) {
+	    conf->hostsrc[0] = stringcopy(val, 0);
+	    conf->hostsrc[1] = NULL;
+	}
+    }
+    if (!conf->name || !conf->hostsrc || !conf->hostsrc[0])
 	debugx(1, DBG_ERR, "malloc failed");
 	
     if (!conftype)
@@ -2627,7 +2674,7 @@ int confclient_cb(struct gconffile **cf, void *arg, char *block, char *opt, char
 
     if (!addhostport(&conf->hostports, conf->hostsrc, conf->pdef->portdefault, 1) ||
 	!resolvehostports(conf->hostports, conf->pdef->socktype))
-	debugx(1, DBG_ERR, "failed to resolve %s, exiting", conf->hostsrc ? conf->hostsrc : "(null)");
+	debugx(1, DBG_ERR, "resolve failed, exiting");
     
     if (!conf->secret) {
 	if (!conf->pdef->secretdefault)
@@ -2685,7 +2732,7 @@ int compileserverconfig(struct clsrvconf *conf, const char *block) {
     }
 
     if (!conf->dynamiclookupcommand && !resolvehostports(conf->hostports, conf->pdef->socktype)) {
-	debug(DBG_ERR, "resolve host %s port %s, exiting", conf->hostsrc ? conf->hostsrc : "(null)", conf->portsrc ? conf->portsrc : "(null)");
+	debug(DBG_ERR, "resolve failed, exiting");
 	return 0;
     }
     return 1;
@@ -2713,7 +2760,7 @@ int confserver_cb(struct gconffile **cf, void *arg, char *block, char *opt, char
 
     if (!getgenericconfig(cf, block,
 			  "type", CONF_STR, &conftype,
-			  "host", CONF_STR, &conf->hostsrc,
+			  "host", CONF_MSTR, &conf->hostsrc,
 			  "port", CONF_STR, &conf->portsrc,
 			  "secret", CONF_STR, &conf->secret,
 #if defined(RADPROT_TLS) || defined(RADPROT_DTLS)    
@@ -2736,17 +2783,17 @@ int confserver_cb(struct gconffile **cf, void *arg, char *block, char *opt, char
     }
     
     conf->name = stringcopy(val, 0);
-    if (!conf->name) {
+    if (conf->name && !conf->hostsrc) {
+	conf->hostsrc = malloc(2 * sizeof(char *));
+	if (conf->hostsrc) {
+	    conf->hostsrc[0] = stringcopy(val, 0);
+	    conf->hostsrc[1] = NULL;
+	}
+    }
+    if (!conf->name || !conf->hostsrc || !conf->hostsrc[0]) {
         debug(DBG_ERR, "malloc failed");
 	goto errexit;
     }
-    if (!conf->hostsrc) {
-	conf->hostsrc = stringcopy(val, 0);
-	if (!conf->hostsrc) {
-            debug(DBG_ERR, "malloc failed");
-	    goto errexit;
-        }
-    }
 
     if (!conftype) {
 	debug(DBG_ERR, "error in block %s, option type missing", block);
diff --git a/radsecproxy.h b/radsecproxy.h
index 3794272..c06ec07 100644
--- a/radsecproxy.h
+++ b/radsecproxy.h
@@ -79,7 +79,7 @@ struct clsrvconf {
     char *name;
     uint8_t type; /* RAD_UDP/RAD_TLS/RAD_TCP */
     const struct protodefs *pdef;
-    char *hostsrc;
+    char **hostsrc;
     char *portsrc;
     struct list *hostports;
     char *secret;
-- 
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