http.c: guard config parser from value=NULL

http.sslcert and friends expect a string value

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/http.c b/http.c
index d2c11aee9077e0834c5c56b1284df478eb8debbc..5925d07478b763ee9f91d7b273f64f0ae956219b 100644 (file)
--- a/http.c
+++ b/http.c
@@ -101,16 +101,18 @@ static int http_options(const char *var, const char *value)
 
        if (!strcmp("http.sslcert", var)) {
                if (ssl_cert == NULL) {
-                       ssl_cert = xmalloc(strlen(value)+1);
-                       strcpy(ssl_cert, value);
+                       if (!value)
+                               return config_error_nonbool(var);
+                       ssl_cert = xstrdup(value);
                }
                return 0;
        }
 #if LIBCURL_VERSION_NUM >= 0x070902
        if (!strcmp("http.sslkey", var)) {
                if (ssl_key == NULL) {
-                       ssl_key = xmalloc(strlen(value)+1);
-                       strcpy(ssl_key, value);
+                       if (!value)
+                               return config_error_nonbool(var);
+                       ssl_key = xstrdup(value);
                }
                return 0;
        }
@@ -118,16 +120,18 @@ static int http_options(const char *var, const char *value)
 #if LIBCURL_VERSION_NUM >= 0x070908
        if (!strcmp("http.sslcapath", var)) {
                if (ssl_capath == NULL) {
-                       ssl_capath = xmalloc(strlen(value)+1);
-                       strcpy(ssl_capath, value);
+                       if (!value)
+                               return config_error_nonbool(var);
+                       ssl_capath = xstrdup(value);
                }
                return 0;
        }
 #endif
        if (!strcmp("http.sslcainfo", var)) {
                if (ssl_cainfo == NULL) {
-                       ssl_cainfo = xmalloc(strlen(value)+1);
-                       strcpy(ssl_cainfo, value);
+                       if (!value)
+                               return config_error_nonbool(var);
+                       ssl_cainfo = xstrdup(value);
                }
                return 0;
        }
@@ -157,8 +161,9 @@ static int http_options(const char *var, const char *value)
        }
        if (!strcmp("http.proxy", var)) {
                if (curl_http_proxy == NULL) {
-                       curl_http_proxy = xmalloc(strlen(value)+1);
-                       strcpy(curl_http_proxy, value);
+                       if (!value)
+                               return config_error_nonbool(var);
+                       curl_http_proxy = xstrdup(value);
                }
                return 0;
        }