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Log protocol errors

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svn:r457
This commit is contained in:
Nick Mathewson 2003-09-15 18:18:37 +00:00
parent ebc23f690c
commit 408bff4a23
1 changed files with 23 additions and 2 deletions
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25
src/common/tortls.c
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@ -44,6 +44,17 @@ static int tls_library_is_initialized = 0;
/* These functions are declared in crypto.c but not exported. */
EVP_PKEY *_crypto_pk_env_get_evp_pkey(crypto_pk_env_t *env);
crypto_pk_env_t *_crypto_new_pk_env_rsa(RSA *rsa);
char *crypto_perror();
static void
tls_log_error(int severity, char *doing)
{
if (doing) {
log(severity, "TLS error while %s: %s", doing, crypto_perror());
} else {
log(severity, "TLS error: %s",crypto_perror());
}
}
static int
tor_tls_get_error(tor_tls *tls, int r, int extra)
@ -279,13 +290,15 @@ tor_tls_read(tor_tls *tls, char *cp, int len)
if (r > 0)
return r;
err = tor_tls_get_error(tls, r, 1);
if (err == _TOR_TLS_SYSCALL)
if (err == _TOR_TLS_SYSCALL) {
tls_log_error(LOG_ERR, "reading");
return TOR_TLS_ERROR;
else if (err == _TOR_TLS_ZERORETURN) {
} else if (err == _TOR_TLS_ZERORETURN) {
tls->state = TOR_TLS_ST_CLOSED;
return TOR_TLS_CLOSE;
} else {
assert(err != TOR_TLS_DONE);
tls_log_error(LOG_ERR, "reading");
return err;
}
}
@ -309,6 +322,8 @@ tor_tls_write(tor_tls *tls, char *cp, int n)
if (err == TOR_TLS_DONE) {
return r;
} else {
if (err != TOR_TLS_WANTREAD && err != TOR_TLS_WANTWRITE)
tls_log_error(LOG_ERR, "writing");
return err;
}
}
@ -331,6 +346,8 @@ tor_tls_handshake(tor_tls *tls)
r = tor_tls_get_error(tls,r,0);
if (r == TOR_TLS_DONE) {
tls->state = TOR_TLS_ST_OPEN;
} else if (r != TOR_TLS_WANTREAD && r != TOR_TLS_WANTWRITE) {
tls_log_error(LOG_ERR, "handshaking");
}
return r;
}
@ -361,6 +378,8 @@ tor_tls_shutdown(tor_tls *tls)
} else {
if (err == _TOR_TLS_SYSCALL)
err = TOR_TLS_ERROR;
if (err != TOR_TLS_WANTREAD && err != TOR_TLS_WANTWRITE)
tls_log_error(LOG_ERR, "shutting down");
return err;
}
}
@ -391,6 +410,8 @@ tor_tls_shutdown(tor_tls *tls)
tls->state = TOR_TLS_ST_SENTCLOSE;
/* fall through ... */
} else {
if (err != TOR_TLS_WANTREAD && err != TOR_TLS_WANTWRITE)
tls_log_error(LOG_ERR, "shutting down");
return err;
}
} /* end loop */