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Added some debugging info

yamux
John Jones 2017-04-03 12:43:05 -05:00
parent 464f9b5c5c
commit caf51bdb7c
1 changed files with 21 additions and 6 deletions
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27
secio/secio.c
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@ -6,6 +6,7 @@
#include <errno.h>
#include <arpa/inet.h>
#include <endian.h>
#include <stdarg.h>
#include "libp2p/secio/secio.h"
#include "libp2p/secio/propose.h"
@ -26,9 +27,16 @@ const char* SupportedExchanges = "P-256,P-384,P-521";
const char* SupportedCiphers = "AES-256,AES-128,Blowfish";
const char* SupportedHashes = "SHA256,SHA512";
void debug_secio(const char* in) {
void debug_secio(const char* in, ...) {
#ifdef DEBUG_SECIO
fprintf(stderr, "%s\n", in);
char* buffer = malloc(strlen(in) + 2);
if (buffer == NULL)
return;
sprintf(buffer, "%s\n", in);
va_list argptr;
va_start(argptr, in);
vfprintf(stderr, buffer, argptr);
va_end(argptr);
#endif
}
@ -608,6 +616,7 @@ int libp2p_secio_decrypt(const struct SessionContext* session, const unsigned ch
mbedtls_md_free(&ctx);
// 2. check the mac to see if it is the same
int retVal = memcmp(&incoming[data_section_size], generated_mac, 32);
// TODO: This MAC verification is failing.
if (retVal != 0)
return 0;
@ -908,13 +917,19 @@ int libp2p_secio_handshake(struct SessionContext* local_session, struct RsaPriva
// receive our nonce to verify encryption works
debug_secio("Receiving our nonce");
if (libp2p_secio_encrypted_read(local_session, &results, &results_size) <= 0)
int bytes_read = libp2p_secio_encrypted_read(local_session, &results, &results_size);
if (bytes_read <= 0) {
debug_secio("Encrypted read returned %d", bytes_read);
goto exit;
if (results_size != 16)
}
if (results_size != 16) {
debug_secio("Results_size should be 16 but was %d", results_size);
goto exit;
if (libp2p_secio_bytes_compare((char*)results, local_session->local_nonce, 16) != 0)
}
if (libp2p_secio_bytes_compare((char*)results, local_session->local_nonce, 16) != 0) {
debug_secio("Bytes of nonce did not match");
goto exit;
}
// set up the secure stream in the struct
local_session->secure_stream = libp2p_net_multistream_stream_new(*((int*)local_session->insecure_stream->socket_descriptor));