LCOV - code coverage report
Current view: top level - waltz/http - fuzz_url_parse.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 7 15 46.7 %
Date: 2025-07-01 05:00:49 Functions: 1 2 50.0 %

          Line data    Source code
       1             : #if !FD_HAS_HOSTED
       2             : #error "This target requires FD_HAS_HOSTED"
       3             : #endif
       4             : 
       5             : #include <assert.h>
       6             : #include <stdlib.h>
       7             : 
       8             : #include "fd_url.h"
       9             : #include "../../util/fd_util.h"
      10             : 
      11             : int
      12             : LLVMFuzzerInitialize( int  *   argc,
      13          15 :                       char *** argv ) {
      14             :   /* Set up shell without signal handlers */
      15          15 :   putenv( "FD_LOG_BACKTRACE=0" );
      16          15 :   putenv( "FD_LOG_PATH=" );
      17          15 :   fd_boot( argc, argv );
      18          15 :   fd_log_level_core_set(0); /* crash on debug log */
      19          15 :   return 0;
      20          15 : }
      21             : 
      22             : static void
      23             : bounds_check( uchar const * c0,
      24             :               ulong         s0,
      25             :               char const *  c1_,
      26           0 :               ulong         s1 ) {
      27           0 :   if( !s1 ) return;
      28           0 :   uchar const * c1 = (uchar const *)c1_;
      29           0 :   assert( s1<=s0       );
      30           0 :   assert( c1>=c0       );
      31           0 :   assert( c1<c0+s0     );
      32           0 :   assert( c1+s1<=c0+s0 );
      33           0 : }
      34             : 
      35             : int
      36             : LLVMFuzzerTestOneInput( uchar const * data,
      37             :                         ulong         size ) {
      38             :   fd_url_t url_[1];
      39             :   fd_url_t * url = fd_url_parse_cstr( url_, (char const *)data, size, NULL );
      40             :   if( url ) {
      41             :     bounds_check( data, size, url->scheme, url->scheme_len );
      42             :     bounds_check( data, size, url->host,   url->host_len   );
      43             :     bounds_check( data, size, url->port,   url->port_len   );
      44             :     bounds_check( data, size, url->tail,   url->tail_len   );
      45             :   }
      46             :   return 0;
      47             : }

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