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authorAdam Harrison <adamdharrison@gmail.com>2022-11-26 16:20:59 -0500
committerAdam Harrison <adamdharrison@gmail.com>2022-11-29 18:39:46 -0500
commitfc0c4ed9a3103e0e6534311923668879fc8e0875 (patch)
tree6e7723c3f45d39f06c243d9c18a3c038da948793 /lib/mbedtls-2.27.0/programs/fuzz/common.c
parent3836606e2b735ba7b2dc0f580231843660587fb4 (diff)
downloadlite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.tar.gz
lite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.zip
Removed openssl, and curl, and added mbedded tls.curl-removal
Almost fully removed curl, needs more testing. Fixed most issues, now trying to cross compile. Fix? Sigh.
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/fuzz/common.c')
-rw-r--r--lib/mbedtls-2.27.0/programs/fuzz/common.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/programs/fuzz/common.c b/lib/mbedtls-2.27.0/programs/fuzz/common.c
new file mode 100644
index 0000000..ac39ee2
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/fuzz/common.c
@@ -0,0 +1,96 @@
+#include "common.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "mbedtls/ctr_drbg.h"
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+{
+ (void) time;
+ return 0x5af2a056;
+}
+
+void dummy_init()
+{
+#if defined(MBEDTLS_PLATFORM_TIME_ALT)
+ mbedtls_platform_set_time( dummy_constant_time );
+#else
+ fprintf(stderr, "Warning: fuzzing without constant time\n");
+#endif
+}
+
+int dummy_send( void *ctx, const unsigned char *buf, size_t len )
+{
+ //silence warning about unused parameter
+ (void) ctx;
+ (void) buf;
+
+ //pretends we wrote everything ok
+ if( len > INT_MAX ) {
+ return( -1 );
+ }
+ return( (int) len );
+}
+
+int fuzz_recv( void *ctx, unsigned char *buf, size_t len )
+{
+ //reads from the buffer from fuzzer
+ fuzzBufferOffset_t * biomemfuzz = (fuzzBufferOffset_t *) ctx;
+
+ if(biomemfuzz->Offset == biomemfuzz->Size) {
+ //EOF
+ return( 0 );
+ }
+ if( len > INT_MAX ) {
+ return( -1 );
+ }
+ if( len + biomemfuzz->Offset > biomemfuzz->Size ) {
+ //do not overflow
+ len = biomemfuzz->Size - biomemfuzz->Offset;
+ }
+ memcpy(buf, biomemfuzz->Data + biomemfuzz->Offset, len);
+ biomemfuzz->Offset += len;
+ return( (int) len );
+}
+
+int dummy_random( void *p_rng, unsigned char *output, size_t output_len )
+{
+ int ret;
+ size_t i;
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+ //use mbedtls_ctr_drbg_random to find bugs in it
+ ret = mbedtls_ctr_drbg_random(p_rng, output, output_len);
+#else
+ (void) p_rng;
+ ret = 0;
+#endif
+ for (i=0; i<output_len; i++) {
+ //replace result with pseudo random
+ output[i] = (unsigned char) rand();
+ }
+ return( ret );
+}
+
+int dummy_entropy( void *data, unsigned char *output, size_t len )
+{
+ size_t i;
+ (void) data;
+
+ //use mbedtls_entropy_func to find bugs in it
+ //test performance impact of entropy
+ //ret = mbedtls_entropy_func(data, output, len);
+ for (i=0; i<len; i++) {
+ //replace result with pseudo random
+ output[i] = (unsigned char) rand();
+ }
+ return( 0 );
+}
+
+int fuzz_recv_timeout( void *ctx, unsigned char *buf, size_t len,
+ uint32_t timeout )
+{
+ (void) timeout;
+
+ return fuzz_recv(ctx, buf, len);
+}