X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=blobdiff_plain;f=src%2Fndc-reload-short.c;h=7c36597b9f0bc5562525600fe19607e1935393ea;hp=f495927d8a062d51fba7dc331eb3ef2464494fd9;hb=8bea06d29fc431ffa0c97d7e0870956c39ac675b;hpb=d0488478b9591d38a2921874f62b52a6d70d31d2

diff --git a/src/ndc-reload-short.c b/src/ndc-reload-short.c
index f495927..7c36597 100644
--- a/src/ndc-reload-short.c
+++ b/src/ndc-reload-short.c
@@ -7,13 +7,13 @@
 extern const char **environ;
 
 
-#define ZONE "kratochvil.vellum.cz"
+#define ZONES "jankratochvil.net","dyn.jankratochvil.net"
 
 #define SETUID 0 /* user  UID */
 #define SETGID 0 /* group GID */
 #define PERMITTED_ENV_LIST "PWD"
-#define EXEC_PATHNAME "/usr/sbin/ndc"
-#define EXEC_ARGV     "/usr/sbin/ndc","reload",ZONE,NULL
+#define EXEC_PATHNAME "/usr/sbin/rndc"
+#define EXEC_ARGV(zone) "/usr/sbin/rndc","reload",(zone),NULL
 
 
 #ifndef G_GNUC_NORETURN
@@ -25,7 +25,7 @@ extern const char **environ;
 #endif  /* !G_GNUC_NORETURN */
 
 #define EXITLOG(msg...) do {\
-	openlog("pserverchroot",LOG_PID,LOG_DAEMON); \
+	openlog("ndc-reload-short",LOG_PID,LOG_DAEMON); \
 	syslog(LOG_CRIT,msg); \
 	closelog(); \
 	exit(EXIT_FAILURE); \
@@ -35,13 +35,13 @@ extern const char **environ;
 
 #define FUNCCHK(funcname,args...) do { \
 	if (errno=0,funcname(args)) \
-		funcfail( #funcname ); \
+		funcfail( #funcname "()" ); \
 	} while (0)
 
 static void funcfail(const char *funcname) G_GNUC_NORETURN;
 static void funcfail(const char *funcname)
 {
-	EXITLOG("Unable to %s(2): %s",funcname,strerror(errno));
+	EXITLOG("Unable to %s: %s",funcname,strerror(errno));
 }
 
 int main(int argc,char **argv)
@@ -50,6 +50,16 @@ int total=0;
 const char *allowed[]={ PERMITTED_ENV_LIST };
 const char **allp,**envp;
 char *dup=NULL,*s;
+const char *zones_allowed[]={ ZONES };
+
+	errno=0;
+	if (argc!=2)
+		funcfail("argc!=2");
+	for (allp=zones_allowed;allp<zones_allowed+LENGTH(zones_allowed);allp++)
+		if (!strcmp(*allp,argv[1]))
+			break;
+	if (allp>=zones_allowed+LENGTH(zones_allowed))
+		funcfail("zone rejected");
 
 retry:
 	for (envp=environ;*envp;envp++) {
@@ -68,6 +78,6 @@ ok:;
 	FUNCCHK(chdir,"/");
 	FUNCCHK(setgid,SETGID);
 	FUNCCHK(setuid,SETUID);
-	errno=0,execl(EXEC_PATHNAME,EXEC_ARGV);
-	funcfail("execl");
+	errno=0,execl(EXEC_PATHNAME,EXEC_ARGV(argv[1]));
+	funcfail("execl()");
 }