tools: make sure the libclamav version is high enough (bb#2013)

ChangeLog

@@ -1,3 +1,7 @@
+Mon May 10 17:00:16 CEST 2010 (tk)
+----------------------------------
+ * tools: make sure the libclamav version is high enough (bb#2013)
+
 Mon May 10 14:51:24 CEST 2010 (tk)
 ----------------------------------
  * sigtool/sigtool.c: fix error msg (bb#2002)

clambc/bcrun.c

@@ -240,6 +240,9 @@ int main(int argc, char *argv[])
     int fd = -1;
     unsigned tracelevel;
 
+    if(check_flevel())
+	exit(1);
+
     opts = optparse(NULL, argc, argv, 1, OPT_CLAMBC, 0, NULL);
     if (!opts) {
 	fprintf(stderr, "ERROR: Can't parse command line options\n");

clamd/clamd.c

@@ -119,6 +119,9 @@ int main(int argc, char **argv)
 	struct stat sb;
 #endif
 
+    if(check_flevel())
+	exit(1);
+
 #ifndef _WIN32
     memset(&sa, 0, sizeof(sa));
     sa.sa_handler = SIG_IGN;

clamscan/clamscan.c

@@ -66,6 +66,9 @@ int main(int argc, char **argv)
 	struct optstruct *opts;
 	const struct optstruct *opt;
 
+    if(check_flevel())
+	exit(2);
+
 #if !defined(_WIN32) && !defined(C_BEOS)
     sigemptyset(&sigset);
     sigaddset(&sigset, SIGXFSZ);

freshclam/freshclam.c

@@ -211,6 +211,8 @@ int main(int argc, char **argv)
 	struct stat statbuf;
 	struct mirdat mdat;
 
+    if(check_flevel())
+	exit(40);
 
     if((opts = optparse(NULL, argc, argv, 1, OPT_FRESHCLAM, 0, NULL)) == NULL) {
 	mprintf("!Can't parse command line options\n");

shared/misc.c

@@ -170,6 +170,15 @@ void print_version(const char *dbdir)
 
     free(path);
 }
+
+int check_flevel(void)
+{
+    if(cl_retflevel() < CL_FLEVEL) {
+	fprintf(stderr, "ERROR: This tool requires libclamav with functionality level %u or higher (current f-level: %u)\n", CL_FLEVEL, cl_retflevel());
+	return 1;
+    }
+    return 0;
+}
 #endif
 
 const char *filelist(const struct optstruct *opts, int *err)

shared/misc.h

@@ -45,6 +45,7 @@
 
 char *freshdbdir(void);
 void print_version(const char *dbdir);
+int check_flevel(void);
 const char *filelist(const struct optstruct *opts, int *err);
 int filecopy(const char *src, const char *dest);
 int daemonize(void);

sigtool/sigtool.c

@@ -2569,6 +2569,9 @@ int main(int argc, char **argv)
         struct optstruct *opts;
 	struct stat sb;
 
+    if(check_flevel())
+	exit(1);
+
     opts = optparse(NULL, argc, argv, 1, OPT_SIGTOOL, 0, NULL);
     if(!opts) {
 	mprintf("!Can't parse command line options\n");