db_text: prevent buffer overflow

Fixes Coverity CID #200093
OpenSIPS · Jul 20, 2020 · 3b0cc62 · 3b0cc62
1 parent c460787
commit 3b0cc62
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/modules/db_text/dbt_file.c b/modules/db_text/dbt_file.c
@@ -167,12 +167,13 @@ dbt_table_p dbt_load_file(const str *tbn, const str *dbn)
 				{
 					if(c==EOF)
 						goto clean;
-					buf[bp++] = c;
 					if (bp==4096) {
 						LM_ERR("Buffer overflow for file [%s] row=[%d] col=[%d] c=[%c]."
 							" Required buffer size greater then 4096!\n",
 							path, crow+1, ccol+1, c);
+						goto clean;
 					}
+					buf[bp++] = c;
 					c = fgetc(fin);
 				}
 				colp = dbt_column_new(buf, bp);