1 files changed, 88 insertions, 0 deletions
diff --git a/http_headers.h b/http_headers.h
new file mode 100644
index 0000000..f3aa397
--- /dev/null
+++ b/http_headers.h
@@ -0,0 +1,88 @@
+#define REQ_READ_SUCCESS 0
+#define REQ_READ_ERROR -1
+
+int get_request_data( http_request_data_t *hdt, char *req_contents ){
+    if ( req_contents == NULL || (uint64_t)strlen(req_contents) <= 0 )
+        return REQ_READ_ERROR;
+    hdt->request_size = (size_t)strlen( req_contents );
+    hdt->request_copy = (char*)calloc( hdt->request_size, sizeof(char) );
+    if ( hdt->request_copy == NULL )
+        return REQ_READ_ERROR;
+    strncpy( hdt->request_copy, req_contents, hdt->request_size );
+    if ( (size_t)strlen(hdt->request_copy) != hdt->request_size )
+        return REQ_READ_ERROR;
+    hdt->tok_current = strtok_r( hdt->request_copy, "\r\n", &hdt->tok_prev );
+    if ( hdt->tok_current == NULL )
+        return REQ_READ_ERROR;
+    if ( strstr(hdt->tok_current, "GET /") == NULL && strstr(hdt->tok_current, "POST /") == NULL )
+        return REQ_READ_ERROR;
+    hdt->tok_current = strtok_r( hdt->request_copy, " ", &hdt->tok_prev );
+    if ( hdt->tok_current == NULL )
+        return REQ_READ_ERROR;
+    hdt->request_method = (char*)calloc( (size_t)strlen(hdt->tok_current), sizeof(char) );
+    if ( hdt->request_method == NULL )
+        return REQ_READ_ERROR;
+    strncpy( hdt->request_method, hdt->tok_current, (size_t)strlen(hdt->tok_current) );
+    if ( (size_t)strlen(hdt->request_method) != (size_t)strlen(hdt->tok_current) )
+        return REQ_READ_ERROR;
+    hdt->tok_current = strtok_r( NULL, " ", &hdt->tok_prev );
+    if ( hdt->tok_current == NULL )
+        return REQ_READ_ERROR;
+    hdt->request_path = (char*)calloc( (size_t)strlen(hdt->tok_current), sizeof(char) );
+    if ( hdt->request_path == NULL )
+        return REQ_READ_ERROR;
+    strncpy( hdt->request_path, hdt->tok_current, (size_t)strlen(hdt->tok_current) );
+    if ( (size_t)strlen(hdt->request_path) != (size_t)strlen(hdt->tok_current) )
+        return REQ_READ_ERROR;
+    memset( hdt->request_copy, 0, hdt->request_size );
+    strncpy( hdt->request_copy, req_contents, hdt->request_size );
+    if ( (size_t)strlen(hdt->request_copy) != hdt->request_size )
+        return REQ_READ_ERROR;
+    char *request_body_begin = strstr( hdt->request_copy, "\r\n\r\n" );
+    if ( request_body_begin == NULL ){
+        hdt->request_body = NULL;
+        return REQ_READ_SUCCESS;
+    }
+    hdt->tok_current = strtok_r( request_body_begin, "\r\n\r\n", &hdt->tok_prev );
+    if ( hdt->tok_current == NULL ){
+        hdt->request_body = NULL;
+        return REQ_READ_SUCCESS;
+    }
+    hdt->request_body = (char*)calloc( (size_t)strlen(hdt->tok_current), sizeof(char) );
+    if ( hdt->request_body == NULL )
+        return REQ_READ_ERROR;
+    strncpy( hdt->request_body, hdt->tok_current, (size_t)strlen(hdt->tok_current) );
+    if ( (size_t)strlen(hdt->request_body) != (size_t)strlen(hdt->tok_current) )
+        return REQ_READ_ERROR;
+    return REQ_READ_SUCCESS;
+}
+
+void clear_request_copy( http_request_data_t *hrq ){
+    if ( hrq->request_copy != NULL ){
+        free( hrq->request_copy );
+        hrq->request_copy = NULL;
+    }
+    return;
+}
+
+void clear_request_data( http_request_data_t *hreq_data ){
+    if ( hreq_data->request_path != NULL ){
+        free( hreq_data->request_path );
+        hreq_data->request_path = NULL;
+    }
+    if ( hreq_data->request_body != NULL ){
+        free( hreq_data->request_body );
+        hreq_data->request_body = NULL;
+    }
+    if ( hreq_data->request_method != NULL ){
+        free( hreq_data->request_method );
+        hreq_data->request_method = NULL;
+    }
+    if ( hreq_data->request_size > 0 )
+        hreq_data->request_size = 0;
+    if ( hreq_data->tok_prev != NULL )
+        hreq_data->tok_prev = NULL;
+    if ( hreq_data->tok_current != NULL )
+        hreq_data->tok_current = NULL;
+    return;
+}