Fix potential memory leaks found by the Clang static analyzer.

diff --git a/src/tincctl.c b/src/tincctl.c
index a0a7633..465c981 100644 (file)
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -2521,6 +2521,7 @@ static int cmd_verify(int argc, char *argv[]) {
        char *newline = memchr(data, '\n', len);
        if(!newline || (newline - data > MAX_STRING_SIZE - 1)) {
                fprintf(stderr, "Invalid input\n");
+               free(data);
                return 1;
        }
 
@@ -2533,11 +2534,13 @@ static int cmd_verify(int argc, char *argv[]) {
 
        if(sscanf(data, "Signature = %s %ld %s", signer, &t, sig) != 3 || strlen(sig) != 86 || !t || !check_id(signer)) {
                fprintf(stderr, "Invalid input\n");
+               free(data);
                return 1;
        }
 
        if(node && strcmp(node, signer)) {
                fprintf(stderr, "Signature is not made by %s\n", node);
+               free(data);
                return 1;
        }
 
@@ -2831,8 +2834,10 @@ static int cmd_shell(int argc, char *argv[]) {
                if(nargc == argc)
                        continue;
 
-               if(!strcasecmp(nargv[argc], "exit") || !strcasecmp(nargv[argc], "quit"))
+               if(!strcasecmp(nargv[argc], "exit") || !strcasecmp(nargv[argc], "quit")) {
+                       free(nargv);
                        return result;
+               }
 
                bool found = false;