Ticket #1546: lighttpd-1.4.13-mod_geoip_redirect.patch

src/mod_redirect.c

@@ -242 +242 @@
 
                         pcre_free(list);
 
+                        // start environment variable replacement
+                        for (n = 0; n < con->environment->used; n++) {
+                                data_string *ds;
+
+                                ds = (data_string *)con->environment->data[n];
+
+                                if (ds->value->used && ds->key->used) {
+                                        char key[200], *c;
+                                        buffer *new_location, *tmp;
+                                        int j, cnt;
+
+                                        // Create KEY:
+                                        tmp = buffer_init();
+                                        buffer_prepare_append(tmp, ds->key->used + 2);
+                                        for (j = 0; j < ds->key->used - 1; j++) {
+                                                tmp->ptr[tmp->used++] = isalpha((unsigned char)ds->key->ptr[j]) ? toupper((unsigned char)ds->key->ptr[j]) : '_';
+                                        }
+                                        tmp->ptr[tmp->used++] = '\0';
+                                        snprintf(key, 200, "#%s#", tmp->ptr);
+                                        buffer_free(tmp);
+                                        
+                                        // Find environment variable in url:
+                                        if((c = strstr(p->location->ptr, key)) == NULL) {
+                                                continue;
+                                        }
+
+                                        cnt = c - p->location->ptr;
+
+                                        // if find then replace this variable it's value:
+                                        new_location = buffer_init();
+                                        buffer_append_string_len(new_location, p->location->ptr, cnt);
+                                        buffer_append_string_len(new_location, ds->value->ptr, strlen(ds->value->ptr));
+                                        buffer_append_string_len(new_location, p->location->ptr+cnt+strlen(key), p->location->used-1-(cnt+strlen(key)));
+                                        
+                                        buffer_reset(p->location);
+                                        buffer_copy_string_buffer(p->location, new_location);
+                                        buffer_free(new_location);
+                                }
+                        }
+                        // end environment variable replacement
+
                         response_header_insert(srv, con, CONST_STR_LEN("Location"), CONST_BUF_LEN(p->location));
 
                         con->http_status = 301;