auth: Catch long cells in backwards compat code

[openafs.git] / src / auth / ktc.c

diff --git a/src/auth/ktc.c b/src/auth/ktc.c
index 4df513d..9500ec8 100644 (file)
--- a/src/auth/ktc.c
+++ b/src/auth/ktc.c
@@ -356,7 +356,11 @@ ktc_SetTokenEx(struct ktc_setTokenData *token) {
 
        memset(&server, 0, sizeof(server));
        strcpy(server.name, "afs");
-       strcpy(server.cell, token->cell);
+       if (strlcpy(server.cell, token->cell, sizeof(server.cell))
+               >= sizeof(server.cell)) {
+           free(rxkadToken);
+           return KTC_INVAL;
+       }
        code = ktc_SetToken(&server, rxkadToken, &client, flags);
        free(rxkadToken);
        return code;