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-rw-r--r--radsecproxy.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/radsecproxy.c b/radsecproxy.c
index e430054..07811ec 100644
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -40,6 +40,7 @@
#endif
#include <sys/time.h>
#include <sys/types.h>
+#include <ctype.h>
#include <sys/wait.h>
#include <arpa/inet.h>
#include <regex.h>
@@ -2827,7 +2828,8 @@ struct realm *addrealm(struct list *realmlist, char *value, char **servers, char
void adddynamicrealmserver(struct realm *realm, struct clsrvconf *conf, char *id) {
struct clsrvconf *srvconf;
struct realm *newrealm = NULL;
- char *realmname;
+ char *realmname, *s;
+
if (!conf->dynamiclookupcommand)
return;
@@ -2839,6 +2841,9 @@ void adddynamicrealmserver(struct realm *realm, struct clsrvconf *conf, char *id
realmname++;
if (!*realmname)
return;
+ for (s = realmname; *s; s++)
+ if (*s != '-' && !isalnum(*s))
+ return;
pthread_mutex_lock(&realm->subrealms_mutex);
/* exit if we now already got a matching subrealm */