Add fuzzer for the terminal

This commit adds a fuzzer for more of the terminal pipeline, adding coverage for the input and output portions of the terminal framebuffer.
2022-05-30 20:01:52 -04:00
parent 0c6e034459
commit adb62e97ff
18 changed files with 33 additions and 1 deletions
@@ -1,7 +1,11 @@
 AM_CXXFLAGS = $(WARNING_CXXFLAGS) $(PICKY_CXXFLAGS) $(HARDEN_CFLAGS) $(MISC_CXXFLAGS) $(CODE_COVERAGE_CXXFLAGS) $(FUZZING_CFLAGS)

-noinst_PROGRAMS = terminal_parser_fuzzer
+noinst_PROGRAMS = terminal_parser_fuzzer terminal_fuzzer

 terminal_parser_fuzzer_CPPFLAGS = -I$(srcdir)/../terminal -I$(srcdir)/../util
 terminal_parser_fuzzer_LDADD = ../terminal/libmoshterminal.a ../util/libmoshutil.a
 terminal_parser_fuzzer_SOURCES = terminal_parser_fuzzer.cc
+
+terminal_fuzzer_CPPFLAGS = -I$(srcdir)/../terminal -I$(srcdir)/../util -I$(srcdir)/../statesync -I../protobufs
+terminal_fuzzer_LDADD = ../terminal/libmoshterminal.a ../util/libmoshutil.a ../statesync/libmoshstatesync.a ../protobufs/libmoshprotos.a $(TINFO_LIBS) $(protobuf_LIBS)
+terminal_fuzzer_SOURCES = terminal_fuzzer.cc
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+@
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+#include <cstddef>
+#include <cstdint>
+
+#include "parser.h"
+#include "completeterminal.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  Terminal::Display display(false);
+  Terminal::Complete complete(80, 24);
+  Terminal::Framebuffer state(80, 24);
+  for (size_t i = 0; i < size; i++) {
+    complete.act(Parser::UserByte(data[i]));
+  }
+  display.new_frame(true, state, complete.get_fb());
+  
+  return 0;
+}