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-rw-r--r--lib/Makefile.am4
-rw-r--r--lib/debug.c2
-rw-r--r--lib/gnutls.h.in25
-rw-r--r--lib/gnutls_algorithms.c22
-rw-r--r--lib/gnutls_buffers.c24
-rw-r--r--lib/gnutls_cipher.c250
-rw-r--r--lib/gnutls_cipher.h13
-rw-r--r--lib/gnutls_cipher_int.c6
-rw-r--r--lib/gnutls_compress.c52
-rw-r--r--lib/gnutls_compress.h13
-rw-r--r--lib/gnutls_handshake.c104
-rw-r--r--lib/gnutls_int.h55
-rw-r--r--lib/gnutls_kx.c20
-rw-r--r--lib/gnutls_plaintext.c71
-rw-r--r--lib/gnutls_plaintext.h23
-rw-r--r--lib/gnutls_record.c105
-rw-r--r--lib/gnutls_v2_compat.c35
-rw-r--r--src/serv.c10
18 files changed, 332 insertions, 502 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7b6116d110..ffdcb960a0 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -4,7 +4,7 @@ bin_SCRIPTS = libgnutls-config
m4datadir = $(datadir)/aclocal
m4data_DATA = libgnutls.m4
-EXTRA_DIST = debug.h gnutls_compress.h defines.h gnutls_plaintext.h \
+EXTRA_DIST = debug.h gnutls_compress.h defines.h \
gnutls_cipher.h gnutls_buffers.h gnutls_errors.h gnutls_int.h \
gnutls_handshake.h gnutls_num.h gnutls_algorithms.h gnutls_dh.h \
gnutls_kx.h gnutls_hash_int.h gnutls_cipher_int.h gnutls_db.h \
@@ -16,7 +16,7 @@ EXTRA_DIST = debug.h gnutls_compress.h defines.h gnutls_plaintext.h \
cert_asn1.h cert_der.h gnutls_datum.h auth_x509.h gnutls_gcry.h \
ext_dnsname.h gnutls_pk.h gnutls_record.h
lib_LTLIBRARIES = libgnutls.la
-libgnutls_la_SOURCES = gnutls_record.c gnutls_compress.c debug.c gnutls_plaintext.c \
+libgnutls_la_SOURCES = gnutls_record.c gnutls_compress.c debug.c \
gnutls_cipher.c gnutls_buffers.c gnutls_handshake.c gnutls_num.c \
gnutls_errors.c gnutls_algorithms.c gnutls_dh.c gnutls_kx.c \
gnutls_priority.c gnutls_hash_int.c gnutls_cipher_int.c \
diff --git a/lib/debug.c b/lib/debug.c
index ffc1eb6756..2c61d408bd 100644
--- a/lib/debug.c
+++ b/lib/debug.c
@@ -63,8 +63,6 @@ void _gnutls_print_state(GNUTLS_STATE state)
state->security_parameters.entity);
fprintf(stderr, "Cipher Algorithm: %d\n",
state->security_parameters.bulk_cipher_algorithm);
- fprintf(stderr, "Cipher Type: %d\n",
- state->security_parameters.cipher_type);
fprintf(stderr, "Key Size: %d\n",
state->security_parameters.key_size);
fprintf(stderr, "Key Material: %d\n",
diff --git a/lib/gnutls.h.in b/lib/gnutls.h.in
index 5b50b57b5f..80a5e61748 100644
--- a/lib/gnutls.h.in
+++ b/lib/gnutls.h.in
@@ -40,6 +40,7 @@ typedef enum AlertDescription { GNUTLS_CLOSE_NOTIFY, GNUTLS_UNEXPECTED_MESSAGE=1
typedef enum GNUTLS_Version { GNUTLS_TLS1, GNUTLS_SSL3 } GNUTLS_Version;
+#define SOCKET int
#define LIST ...
struct GNUTLS_STATE_INT;
@@ -54,10 +55,10 @@ typedef struct {
int gnutls_init(GNUTLS_STATE * state, ConnectionEnd con_end);
int gnutls_deinit(GNUTLS_STATE state);
-int gnutls_bye(int cd, GNUTLS_STATE state);
-int gnutls_handshake(int cd, GNUTLS_STATE state);
+int gnutls_bye(SOCKET cd, GNUTLS_STATE state);
+int gnutls_handshake(SOCKET cd, GNUTLS_STATE state);
int gnutls_check_pending(GNUTLS_STATE state);
-int gnutls_rehandshake(int cd, GNUTLS_STATE state);
+int gnutls_rehandshake(SOCKET cd, GNUTLS_STATE state);
AlertDescription gnutls_get_last_alert( GNUTLS_STATE state);
@@ -68,21 +69,21 @@ MACAlgorithm gnutls_get_current_mac_algorithm( GNUTLS_STATE state);
CompressionMethod gnutls_get_current_compression_method( GNUTLS_STATE state);
/* the name of the specified algorithms */
-char *gnutls_cipher_get_name(BulkCipherAlgorithm);
-char *gnutls_mac_get_name(MACAlgorithm);
-char *gnutls_compression_get_name(CompressionMethod);
-char *gnutls_kx_get_name(KXAlgorithm algorithm);
+char *gnutls_cipher_get_name( BulkCipherAlgorithm);
+char *gnutls_mac_get_name( MACAlgorithm);
+char *gnutls_compression_get_name( CompressionMethod);
+char *gnutls_kx_get_name( KXAlgorithm algorithm);
/* error functions */
int gnutls_is_fatal_error( int error);
void gnutls_perror( int error);
-char* gnutls_strerror(int error);
+char* gnutls_strerror( int error);
-ssize_t gnutls_send(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags);
-ssize_t gnutls_recv(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags);
-ssize_t gnutls_write(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata);
-ssize_t gnutls_read(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata);
+ssize_t gnutls_send(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags);
+ssize_t gnutls_recv(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags);
+ssize_t gnutls_write(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata);
+ssize_t gnutls_read(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata);
/* functions to set priority of cipher suites */
void gnutls_set_cipher_priority( GNUTLS_STATE state, LIST);
diff --git a/lib/gnutls_algorithms.c b/lib/gnutls_algorithms.c
index db40ae6632..e9314f39ae 100644
--- a/lib/gnutls_algorithms.c
+++ b/lib/gnutls_algorithms.c
@@ -92,23 +92,23 @@ struct gnutls_cipher_entry {
BulkCipherAlgorithm id;
size_t blocksize;
size_t keysize;
- size_t block;
+ CipherType block;
size_t iv;
};
typedef struct gnutls_cipher_entry gnutls_cipher_entry;
/* Note that all algorithms are in CBC or STREAM modes.
- * Do not add any algorithms in other modes.
+ * Do not add any algorithms in other modes (avoid modified algorithms).
* View first: "The order of encryption and authentication for
* protecting communications" by Hugo Krawczyk - CRYPTO 2001
*/
static const gnutls_cipher_entry algorithms[] = {
- GNUTLS_CIPHER_ENTRY(GNUTLS_3DES_CBC, 8, 24, 1, 8),
- GNUTLS_CIPHER_ENTRY(GNUTLS_RIJNDAEL_CBC, 16, 16, 1, 16),
- GNUTLS_CIPHER_ENTRY(GNUTLS_RIJNDAEL256_CBC, 16, 32, 1, 16),
- GNUTLS_CIPHER_ENTRY(GNUTLS_TWOFISH_CBC, 16, 16, 1, 16),
- GNUTLS_CIPHER_ENTRY(GNUTLS_ARCFOUR, 1, 16, 0, 0),
- GNUTLS_CIPHER_ENTRY(GNUTLS_NULL_CIPHER, 1, 0, 0, 0),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_3DES_CBC, 8, 24, CIPHER_BLOCK, 8),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_RIJNDAEL_CBC, 16, 16, CIPHER_BLOCK, 16),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_RIJNDAEL256_CBC, 16, 32, CIPHER_BLOCK, 16),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_TWOFISH_CBC, 16, 16, CIPHER_BLOCK, 16),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_ARCFOUR, 1, 16, CIPHER_STREAM, 0),
+ GNUTLS_CIPHER_ENTRY(GNUTLS_NULL_CIPHER, 1, 0, CIPHER_STREAM, 0),
{0}
};
@@ -222,6 +222,8 @@ typedef struct {
MACAlgorithm mac_algorithm;
} gnutls_cipher_suite_entry;
+#define GNUTLS_RSA_NULL_MD5 { 0x00, 0x01 }
+
#define GNUTLS_DH_anon_3DES_EDE_CBC_SHA { 0x00, 0x1B }
#define GNUTLS_DH_anon_ARCFOUR_MD5 { 0x00, 0x18 }
#define GNUTLS_DH_anon_RIJNDAEL_128_CBC_SHA { 0x00, 0x34 }
@@ -366,6 +368,10 @@ static const gnutls_cipher_suite_entry cs_algorithms[] = {
GNUTLS_MAC_SHA),
/* RSA */
+ GNUTLS_CIPHER_SUITE_ENTRY(GNUTLS_RSA_NULL_MD5,
+ GNUTLS_NULL_CIPHER,
+ GNUTLS_KX_RSA, GNUTLS_MAC_MD5),
+
GNUTLS_CIPHER_SUITE_ENTRY(GNUTLS_RSA_ARCFOUR_SHA,
GNUTLS_ARCFOUR,
GNUTLS_KX_RSA, GNUTLS_MAC_SHA),
diff --git a/lib/gnutls_buffers.c b/lib/gnutls_buffers.c
index ece8fcf625..69240d174c 100644
--- a/lib/gnutls_buffers.c
+++ b/lib/gnutls_buffers.c
@@ -22,7 +22,7 @@
#include "gnutls_int.h"
#include "gnutls_errors.h"
#ifdef HAVE_ERRNO_H
-# include <errno.h>
+ # include <errno.h>
#endif
int gnutls_insertDataBuffer(ContentType type, GNUTLS_STATE state, char *data, int length)
@@ -35,7 +35,7 @@ int gnutls_insertDataBuffer(ContentType type, GNUTLS_STATE state, char *data, in
state->gnutls_internals.buffer.size += length;
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Inserted %d bytes of Data(%d) into buffer\n", length, type);
+ fprintf(stderr, "BUFFER: Inserted %d bytes of Data(%d)\n", length, type);
#endif
state->gnutls_internals.buffer.data =
gnutls_realloc(state->gnutls_internals.buffer.data,
@@ -47,7 +47,7 @@ int gnutls_insertDataBuffer(ContentType type, GNUTLS_STATE state, char *data, in
state->gnutls_internals.buffer_handshake.size += length;
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Inserted %d bytes of Data(%d) into buffer\n", length, type);
+ fprintf(stderr, "BUFFER: Inserted %d bytes of Data(%d)\n", length, type);
#endif
state->gnutls_internals.buffer_handshake.data =
gnutls_realloc(state->gnutls_internals.buffer_handshake.data,
@@ -91,7 +91,7 @@ int gnutls_getDataFromBuffer(ContentType type, GNUTLS_STATE state, char *data, i
length = state->gnutls_internals.buffer.size;
}
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Read %d bytes of Data(%d) from buffer\n", length, type);
+ fprintf(stderr, "BUFFER: Read %d bytes of Data(%d)\n", length, type);
#endif
state->gnutls_internals.buffer.size -= length;
memmove(data, state->gnutls_internals.buffer.data, length);
@@ -109,7 +109,7 @@ int gnutls_getDataFromBuffer(ContentType type, GNUTLS_STATE state, char *data, i
length = state->gnutls_internals.buffer_handshake.size;
}
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Read %d bytes of Data(%d) from buffer\n", length, type);
+ fprintf(stderr, "BUFFER: Read %d bytes of Data(%d)\n", length, type);
#endif
state->gnutls_internals.buffer_handshake.size -= length;
memmove(data, state->gnutls_internals.buffer_handshake.data, length);
@@ -155,7 +155,7 @@ ssize_t _gnutls_Read(int fd, void *iptr, size_t sizeOfPtr, int flag)
}
#ifdef READ_DEBUG
- fprintf(stderr, "read %d bytes from %d\n", (sizeOfPtr-left), fd);
+ fprintf(stderr, "READ: read %d bytes from %d\n", (sizeOfPtr-left), fd);
for (x=0;x<((sizeOfPtr-left)/16)+1;x++) {
fprintf(stderr, "%.4x - ",x);
for (j=0;j<16;j++) {
@@ -186,7 +186,7 @@ ssize_t _gnutls_Write(int fd, const void *iptr, size_t n)
const char *ptr = iptr;
#ifdef WRITE_DEBUG
- fprintf(stderr, "wrote %d bytes to %d\n", n, fd);
+ fprintf(stderr, "WRITE: wrote %d bytes to %d\n", n, fd);
for (x=0;x<(n/16)+1;x++) {
fprintf(stderr, "%.4x - ",x);
for (j=0;j<16;j++) {
@@ -261,7 +261,7 @@ int gnutls_insertHashDataBuffer( GNUTLS_STATE state, char *data, int length)
state->gnutls_internals.hash_buffer.size += length;
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Inserted %d bytes of Hash Data into buffer\n", length);
+ fprintf(stderr, "HASH_BUFFER: Inserted %d bytes of Data\n", length);
#endif
state->gnutls_internals.hash_buffer.data =
gnutls_realloc(state->gnutls_internals.hash_buffer.data,
@@ -283,7 +283,7 @@ int gnutls_getHashDataFromBuffer( GNUTLS_STATE state, char *data, int length)
length = state->gnutls_internals.hash_buffer.size;
}
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Got %d bytes of Hash Data from buffer\n", length);
+ fprintf(stderr, "HASH BUFFER: Got %d bytes of Data\n", length);
#endif
state->gnutls_internals.hash_buffer.size -= length;
memmove(data, state->gnutls_internals.hash_buffer.data, length);
@@ -299,13 +299,15 @@ int gnutls_getHashDataFromBuffer( GNUTLS_STATE state, char *data, int length)
}
+/* this function does not touch the buffer
+ */
int gnutls_readHashDataFromBuffer( GNUTLS_STATE state, char *data, int length)
{
if (length > state->gnutls_internals.hash_buffer.size) {
length = state->gnutls_internals.hash_buffer.size;
}
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Read %d bytes of Hash Data from buffer\n", length);
+ fprintf(stderr, "HASH BUFFER: Read %d bytes of Data\n", length);
#endif
memmove(data, state->gnutls_internals.hash_buffer.data, length);
return length;
@@ -317,7 +319,7 @@ int gnutls_clearHashDataBuffer( GNUTLS_STATE state)
{
#ifdef BUFFERS_DEBUG
- fprintf(stderr, "Cleared Hash Data from buffer\n");
+ fprintf(stderr, "HASH BUFFER: Cleared Data from buffer\n");
#endif
state->gnutls_internals.hash_buffer.size = 0;
if (state->gnutls_internals.hash_buffer.data!=NULL)
diff --git a/lib/gnutls_cipher.c b/lib/gnutls_cipher.c
index 2c9b24eeb5..12d8eecc1b 100644
--- a/lib/gnutls_cipher.c
+++ b/lib/gnutls_cipher.c
@@ -26,101 +26,71 @@
#include "gnutls_algorithms.h"
#include "gnutls_hash_int.h"
#include "gnutls_cipher_int.h"
-#include "gnutls_plaintext.h"
#include "debug.h"
#include "gnutls_random.h"
#include "gnutls_num.h"
+#include "gnutls_datum.h"
int _gnutls_encrypt(GNUTLS_STATE state, const char *data, size_t data_size,
uint8 ** ciphertext, ContentType type)
{
- GNUTLSPlaintext *gtxt;
- GNUTLSCompressed *gcomp;
- GNUTLSCiphertext *gcipher;
- int total_length, err;
+ gnutls_datum plain = { (char*)data, data_size };
+ gnutls_datum comp, ciph;
+ int err;
if (data_size == 0)
return 0;
- err =
- _gnutls_text2TLSPlaintext(state, type, &gtxt, data, data_size);
+ err = _gnutls_plaintext2TLSCompressed(state, &comp, plain);
if (err < 0) {
gnutls_assert();
return err;
}
- err = _gnutls_TLSPlaintext2TLSCompressed(state, &gcomp, gtxt);
+ err = _gnutls_compressed2TLSCiphertext(state, &ciph, comp, type);
if (err < 0) {
gnutls_assert();
return err;
}
- _gnutls_freeTLSPlaintext(gtxt);
+ gnutls_free_datum(&comp);
- err = _gnutls_TLSCompressed2TLSCiphertext(state, &gcipher, gcomp);
- if (err < 0) {
- gnutls_assert();
- return err;
- }
-
- _gnutls_freeTLSCompressed(gcomp);
+ *ciphertext = ciph.data;
- total_length = HEADER_SIZE + gcipher->length;
- *ciphertext = gnutls_malloc(total_length);
- if (*ciphertext == NULL) {
- gnutls_assert();
- return GNUTLS_E_MEMORY_ERROR;
- }
- memmove( &(*ciphertext)[HEADER_SIZE], gcipher->fragment, gcipher->length);
- _gnutls_freeTLSCiphertext(gcipher);
-
- return total_length - HEADER_SIZE;
- /* notice that the headers are not present in the retun value,
- * but there is space for them
- */
+ return ciph.size;
}
int _gnutls_decrypt(GNUTLS_STATE state, char *ciphertext,
size_t ciphertext_size, uint8 ** data,
ContentType type)
{
- GNUTLSPlaintext *gtxt;
- GNUTLSCompressed *gcomp;
- GNUTLSCiphertext gcipher;
+ gnutls_datum gtxt;
+ gnutls_datum gcomp;
+ gnutls_datum gcipher;
int ret;
if (ciphertext_size == 0)
return 0;
- gcipher.type = type;
- gcipher.length = ciphertext_size;
- gcipher.version.major = _gnutls_version_get_major(state->connection_state.version);
- gcipher.version.minor = _gnutls_version_get_minor(state->connection_state.version);
- gcipher.fragment = gnutls_malloc(ciphertext_size);
- memmove(gcipher.fragment, ciphertext, ciphertext_size);
+ gcipher.size = ciphertext_size;
+ gcipher.data = ciphertext;
- ret = _gnutls_TLSCiphertext2TLSCompressed(state, &gcomp, &gcipher);
+ ret = _gnutls_ciphertext2TLSCompressed(state, &gcomp, gcipher, type);
if (ret < 0) {
- gnutls_free(gcipher.fragment);
return ret;
}
- gnutls_free(gcipher.fragment);
- ret = _gnutls_TLSCompressed2TLSPlaintext(state, &gtxt, gcomp);
+ ret = _gnutls_TLSCompressed2plaintext(state, &gtxt, gcomp);
if (ret < 0) {
return ret;
}
- _gnutls_freeTLSCompressed(gcomp);
-
- ret = _gnutls_TLSPlaintext2text((void *) data, gtxt);
- if (ret < 0) {
- return ret;
- }
- ret = gtxt->length;
+ gnutls_free_datum(&gcomp);
- _gnutls_freeTLSPlaintext(gtxt);
+ ret = gtxt.size;
+ *data = gtxt.data;
+
return ret;
}
@@ -136,13 +106,6 @@ int _gnutls_set_cipher(GNUTLS_STATE state, BulkCipherAlgorithm algo)
}
state->security_parameters.bulk_cipher_algorithm = algo;
- if (_gnutls_cipher_is_block(algo) == 1) {
- state->security_parameters.cipher_type =
- CIPHER_BLOCK;
- } else {
- state->security_parameters.cipher_type =
- CIPHER_STREAM;
- }
state->security_parameters.key_material_length =
state->security_parameters.key_size =
@@ -316,8 +279,10 @@ int _gnutls_connection_state_init(GNUTLS_STATE state)
if (mac_size > 0) {
state->connection_state.read_mac_secret =
gnutls_malloc(mac_size);
+ if (state->connection_state.read_mac_secret==NULL) return GNUTLS_E_MEMORY_ERROR;
state->connection_state.write_mac_secret =
gnutls_malloc(mac_size);
+ if (state->connection_state.write_mac_secret==NULL) return GNUTLS_E_MEMORY_ERROR;
}
} else {
gnutls_assert();
@@ -424,14 +389,15 @@ int _gnutls_connection_state_init(GNUTLS_STATE state)
return 0;
}
-/* This is the actual encryption */
-int _gnutls_TLSCompressed2TLSCiphertext(GNUTLS_STATE state,
- GNUTLSCiphertext **
+/* This is the actual encryption
+ * (and also keeps some space for headers in the encrypted data)
+ */
+int _gnutls_compressed2TLSCiphertext(GNUTLS_STATE state,
+ gnutls_datum*
cipher,
- GNUTLSCompressed * compressed)
+ gnutls_datum compressed, ContentType _type)
{
- GNUTLSCiphertext *ciphertext;
- uint8 *content, *MAC = NULL;
+ uint8 *MAC = NULL;
uint16 c_length;
uint8 *data;
uint8 pad;
@@ -439,15 +405,14 @@ int _gnutls_TLSCompressed2TLSCiphertext(GNUTLS_STATE state,
uint64 seq_num;
int length;
GNUTLS_MAC_HANDLE td;
+ uint8 type = _type;
+ uint8 major, minor;
int blocksize =
_gnutls_cipher_get_block_size(state->security_parameters.
bulk_cipher_algorithm);
- content = gnutls_malloc(compressed->length);
- memmove(content, compressed->fragment, compressed->length);
-
- *cipher = gnutls_malloc(sizeof(GNUTLSCiphertext));
- ciphertext = *cipher;
+ minor = _gnutls_version_get_minor(state->connection_state.version);
+ major = _gnutls_version_get_major(state->connection_state.version);
if (_gnutls_version_ssl3(state->connection_state.version) == 0) { /* SSL 3.0 */
td =
@@ -468,50 +433,49 @@ int _gnutls_TLSCompressed2TLSCiphertext(GNUTLS_STATE state,
}
if (td == GNUTLS_MAC_FAILED
&& state->security_parameters.mac_algorithm != GNUTLS_NULL_MAC) {
- gnutls_free(*cipher);
- gnutls_free(content);
gnutls_assert();
return GNUTLS_E_UNKNOWN_MAC_ALGORITHM;
}
- c_length = CONVuint16(compressed->length);
+ c_length = CONVuint16(compressed.size);
seq_num =
CONVuint64(&state->connection_state.write_sequence_number);
if (td != GNUTLS_MAC_FAILED) { /* actually when the algorithm in not the NULL one */
gnutls_hmac(td, UINT64DATA(seq_num), 8);
- gnutls_hmac(td, &compressed->type, 1);
+ gnutls_hmac(td, &type, 1);
if (_gnutls_version_ssl3(state->connection_state.version) != 0) { /* TLS 1.0 only */
- gnutls_hmac(td, &compressed->version.major, 1);
- gnutls_hmac(td, &compressed->version.minor, 1);
+ gnutls_hmac(td, &major, 1);
+ gnutls_hmac(td, &minor, 1);
}
gnutls_hmac(td, &c_length, 2);
- gnutls_hmac(td, compressed->fragment, compressed->length);
+ gnutls_hmac(td, compressed.data, compressed.size);
if (_gnutls_version_ssl3(state->connection_state.version) == 0) { /* SSL 3.0 */
MAC = gnutls_mac_deinit_ssl3(td);
} else {
MAC = gnutls_hmac_deinit(td);
}
}
- switch (state->security_parameters.cipher_type) {
+ switch (_gnutls_cipher_is_block(state->security_parameters.bulk_cipher_algorithm)) {
case CIPHER_STREAM:
length =
- compressed->length +
+ compressed.size +
state->security_parameters.hash_size;
data = gnutls_malloc(length);
- memmove(data, content, compressed->length);
- memmove(&data[compressed->length], MAC,
+ if (data==NULL) {
+ gnutls_assert();
+ return GNUTLS_E_MEMORY_ERROR;
+ }
+ memmove(data, compressed.data, compressed.size);
+ memmove(&data[compressed.size], MAC,
state->security_parameters.hash_size);
gnutls_cipher_encrypt(state->connection_state.
write_cipher_state, data, length);
- ciphertext->fragment = data;
- ciphertext->length = length;
- ciphertext->type = compressed->type;
- ciphertext->version.major = compressed->version.major;
- ciphertext->version.minor = compressed->version.minor;
+ cipher->data = data;
+ cipher->size = length;
break;
case CIPHER_BLOCK:
@@ -532,66 +496,60 @@ int _gnutls_TLSCompressed2TLSCiphertext(GNUTLS_STATE state,
}
length =
- compressed->length +
+ compressed.size +
state->security_parameters.hash_size;
pad = (uint8) (blocksize - (length % blocksize)) + rand;
length += pad;
data = gnutls_malloc(length);
-
+ if (data==NULL) {
+ gnutls_assert();
+ return GNUTLS_E_MEMORY_ERROR;
+ }
memset(&data[length - pad], pad - 1, pad);
- memmove(data, content, compressed->length);
- memmove(&data[compressed->length], MAC,
+ memmove(data, compressed.data, compressed.size);
+ memmove(&data[compressed.size], MAC,
state->security_parameters.hash_size);
gnutls_cipher_encrypt(state->connection_state.
write_cipher_state, data, length);
- ciphertext->fragment = data;
- ciphertext->length = length;
- ciphertext->type = compressed->type;
- ciphertext->version.major = compressed->version.major;
- ciphertext->version.minor = compressed->version.minor;
+ cipher->data = data;
+ cipher->size = length;
break;
default:
- gnutls_free(*cipher);
- gnutls_free(content);
gnutls_assert();
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
if (td != GNUTLS_MAC_FAILED)
gnutls_free(MAC);
- gnutls_free(content);
return 0;
}
-int _gnutls_TLSCiphertext2TLSCompressed(GNUTLS_STATE state,
- GNUTLSCompressed **
+int _gnutls_ciphertext2TLSCompressed(GNUTLS_STATE state,
+ gnutls_datum *
compress,
- GNUTLSCiphertext * ciphertext)
+ gnutls_datum ciphertext, uint8 type)
{
- GNUTLSCompressed *compressed;
- uint8 *content, *MAC = NULL;
+ uint8 *MAC = NULL;
uint16 c_length;
uint8 *data;
uint8 pad;
uint64 seq_num;
uint16 length;
GNUTLS_MAC_HANDLE td;
- int blocksize =
- _gnutls_cipher_get_block_size(state->security_parameters.
- bulk_cipher_algorithm);
-
- content = gnutls_malloc(ciphertext->length);
- memmove(content, ciphertext->fragment, ciphertext->length);
+ int blocksize;
+ uint8 major, minor;
- *compress = gnutls_malloc(sizeof(GNUTLSCompressed));
- compressed = *compress;
+ minor = _gnutls_version_get_minor(state->connection_state.version);
+ major = _gnutls_version_get_major(state->connection_state.version);
+ blocksize = _gnutls_cipher_get_block_size(state->security_parameters.
+ bulk_cipher_algorithm);
if (_gnutls_version_ssl3(state->connection_state.version) == 0) {
td =
@@ -612,76 +570,75 @@ int _gnutls_TLSCiphertext2TLSCompressed(GNUTLS_STATE state,
}
if (td == GNUTLS_MAC_FAILED
&& state->security_parameters.mac_algorithm != GNUTLS_NULL_MAC) {
- gnutls_free(*compress);
- gnutls_free(content);
gnutls_assert();
return GNUTLS_E_UNKNOWN_MAC_ALGORITHM;
}
-
- switch (state->security_parameters.cipher_type) {
+ switch (_gnutls_cipher_is_block(state->security_parameters.bulk_cipher_algorithm)) {
case CIPHER_STREAM:
length =
- ciphertext->length -
+ ciphertext.size -
state->security_parameters.hash_size;
data = gnutls_malloc(length);
- memmove(data, content, length);
+ if (data==NULL) {
+ gnutls_assert();
+ return GNUTLS_E_MEMORY_ERROR;
+ }
+
+ memmove(data, ciphertext.data, length);
- compressed->fragment = data;
- compressed->length = length;
- compressed->type = ciphertext->type;
- compressed->version.major = ciphertext->version.major;
- compressed->version.minor = ciphertext->version.minor;
+ compress->data = data;
+ compress->size = length;
break;
case CIPHER_BLOCK:
- if ((ciphertext->length < blocksize)
- || (ciphertext->length % blocksize != 0)) {
+ if ((ciphertext.size < blocksize)
+ || (ciphertext.size % blocksize != 0)) {
gnutls_assert();
return GNUTLS_E_DECRYPTION_FAILED;
}
gnutls_cipher_decrypt(state->connection_state.
- read_cipher_state, content,
- ciphertext->length);
+ read_cipher_state, ciphertext.data,
+ ciphertext.size);
- pad = content[ciphertext->length - 1] + 1; /* pad */
+ pad = ciphertext.data[ciphertext.size - 1] + 1; /* pad */
length =
- ciphertext->length -
+ ciphertext.size -
state->security_parameters.hash_size - pad;
if (pad >
- ciphertext->length -
+ ciphertext.size -
state->security_parameters.hash_size) {
gnutls_assert();
return GNUTLS_E_RECEIVED_BAD_MESSAGE;
}
data = gnutls_malloc(length);
- memmove(data, content, length);
- compressed->fragment = data;
- compressed->length = length;
- compressed->type = ciphertext->type;
- compressed->version.major = ciphertext->version.major;
- compressed->version.minor = ciphertext->version.minor;
+ if (data==NULL) {
+ gnutls_assert();
+ return GNUTLS_E_MEMORY_ERROR;
+ }
+
+ memmove(data, ciphertext.data, length);
+ compress->data = data;
+ compress->size = length;
break;
default:
- gnutls_free(*compress);
- gnutls_free(content);
gnutls_assert();
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
- c_length = CONVuint16((uint16) compressed->length);
+ c_length = CONVuint16((uint16) compress->size);
seq_num = CONVuint64( &state->connection_state.read_sequence_number);
if (td != GNUTLS_MAC_FAILED) {
gnutls_hmac(td, UINT64DATA(seq_num), 8);
- gnutls_hmac(td, &compressed->type, 1);
+ gnutls_hmac(td, &type, 1);
if (_gnutls_version_ssl3(state->connection_state.version) != 0) { /* TLS 1.0 only */
- gnutls_hmac(td, &compressed->version.major, 1);
- gnutls_hmac(td, &compressed->version.minor, 1);
+ gnutls_hmac(td, &major, 1);
+ gnutls_hmac(td, &minor, 1);
}
gnutls_hmac(td, &c_length, 2);
- gnutls_hmac(td, data, compressed->length);
+ gnutls_hmac(td, data, compress->size);
if (_gnutls_version_ssl3(state->connection_state.version) == 0) { /* SSL 3.0 */
MAC = gnutls_mac_deinit_ssl3(td);
} else {
@@ -690,7 +647,7 @@ int _gnutls_TLSCiphertext2TLSCompressed(GNUTLS_STATE state,
}
/* HMAC was not the same. */
if (memcmp
- (MAC, &content[compressed->length],
+ (MAC, &ciphertext.data[compress->size],
state->security_parameters.hash_size) != 0) {
gnutls_assert();
return GNUTLS_E_MAC_FAILED;
@@ -699,18 +656,7 @@ int _gnutls_TLSCiphertext2TLSCompressed(GNUTLS_STATE state,
if (td != GNUTLS_MAC_FAILED)
gnutls_free(MAC);
- gnutls_free(content);
return 0;
}
-int _gnutls_freeTLSCiphertext(GNUTLSCiphertext * ciphertext)
-{
- if (ciphertext == NULL)
- return 0;
-
- gnutls_free(ciphertext->fragment);
- gnutls_free(ciphertext);
-
- return 0;
-}
diff --git a/lib/gnutls_cipher.h b/lib/gnutls_cipher.h
index 3176b22e38..e348e7cf4a 100644
--- a/lib/gnutls_cipher.h
+++ b/lib/gnutls_cipher.h
@@ -22,18 +22,9 @@ int _gnutls_encrypt( GNUTLS_STATE state, const char* data, size_t data_size, uin
int _gnutls_decrypt(GNUTLS_STATE state, char *ciphertext,
size_t ciphertext_size, uint8 ** data,
ContentType type);
-int _gnutls_TLSCompressed2TLSCiphertext(GNUTLS_STATE state,
- GNUTLSCiphertext**
- cipher,
- GNUTLSCompressed *
- compressed);
-int _gnutls_freeTLSCiphertext(GNUTLSCiphertext * ciphertext);
+int _gnutls_compressed2TLSCiphertext(GNUTLS_STATE state, gnutls_datum* cipher, gnutls_datum compressed, ContentType _type);
int _gnutls_set_cipher( GNUTLS_STATE state, BulkCipherAlgorithm algo);
int _gnutls_set_mac( GNUTLS_STATE state, MACAlgorithm algo);
int _gnutls_set_compression( GNUTLS_STATE state, CompressionMethod algo);
int _gnutls_connection_state_init(GNUTLS_STATE state);
-int _gnutls_TLSCiphertext2TLSCompressed(GNUTLS_STATE state,
- GNUTLSCompressed**
- compress,
- GNUTLSCiphertext *
- ciphertext);
+int _gnutls_ciphertext2TLSCompressed(GNUTLS_STATE state, gnutls_datum * compress, gnutls_datum ciphertext, uint8 type);
diff --git a/lib/gnutls_cipher_int.c b/lib/gnutls_cipher_int.c
index c107b9ea51..97d3600bc0 100644
--- a/lib/gnutls_cipher_int.c
+++ b/lib/gnutls_cipher_int.c
@@ -85,7 +85,7 @@ return ret;
}
int gnutls_cipher_encrypt(GNUTLS_CIPHER_HANDLE handle, void* text, int textlen) {
- if (handle!=NULL) {
+ if (handle!=GNUTLS_CIPHER_FAILED) {
#ifdef USE_MCRYPT
mcrypt_generic( handle, text, textlen);
#else
@@ -99,7 +99,7 @@ int gnutls_cipher_encrypt(GNUTLS_CIPHER_HANDLE handle, void* text, int textlen)
}
int gnutls_cipher_decrypt(GNUTLS_CIPHER_HANDLE handle, void* ciphertext, int ciphertextlen) {
- if (handle!=NULL) {
+ if (handle!=GNUTLS_CIPHER_FAILED) {
#ifdef USE_MCRYPT
mdecrypt_generic( handle, ciphertext, ciphertextlen);
#else
@@ -113,7 +113,7 @@ int gnutls_cipher_decrypt(GNUTLS_CIPHER_HANDLE handle, void* ciphertext, int cip
}
void gnutls_cipher_deinit(GNUTLS_CIPHER_HANDLE handle) {
- if (handle!=NULL) {
+ if (handle!=GNUTLS_CIPHER_FAILED) {
#ifdef USE_MCRYPT
mcrypt_generic_end( handle);
#else
diff --git a/lib/gnutls_compress.c b/lib/gnutls_compress.c
index 806f3ff3ea..fe0fcc5ef7 100644
--- a/lib/gnutls_compress.c
+++ b/lib/gnutls_compress.c
@@ -24,62 +24,44 @@
#include "gnutls_errors.h"
#include "gnutls_compress_int.h"
-int _gnutls_TLSPlaintext2TLSCompressed(GNUTLS_STATE state,
- GNUTLSCompressed **
+int _gnutls_plaintext2TLSCompressed(GNUTLS_STATE state,
+ gnutls_datum*
compress,
- GNUTLSPlaintext *
- plaintext)
+ gnutls_datum plaintext)
{
int size;
- GNUTLSCompressed *compressed;
char *data;
- *compress = gnutls_malloc(sizeof(GNUTLSCompressed));
- compressed = *compress;
-
data=NULL;
- size = gnutls_compress( state->security_parameters.compression_algorithm, plaintext->fragment, plaintext->length, &data);
+ size = gnutls_compress( state->security_parameters.compression_algorithm, plaintext.data, plaintext.size, &data);
if (size < 0) {
if (data!=NULL) gnutls_free(data);
- gnutls_free(*compress);
return GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM;
}
- compressed->fragment = data;
- compressed->length = size;
- compressed->type = plaintext->type;
- compressed->version.major = plaintext->version.major;
- compressed->version.minor = plaintext->version.minor;
+ compress->data = data;
+ compress->size = size;
return 0;
}
-int _gnutls_TLSCompressed2TLSPlaintext(GNUTLS_STATE state,
- GNUTLSPlaintext**
- plain,
- GNUTLSCompressed *
+int _gnutls_TLSCompressed2plaintext(GNUTLS_STATE state,
+ gnutls_datum* plain,
+ gnutls_datum
compressed)
{
- GNUTLSPlaintext *plaintext;
int size;
char* data;
- *plain = gnutls_malloc(sizeof(GNUTLSPlaintext));
- plaintext = *plain;
-
data=NULL;
- size = gnutls_decompress( state->security_parameters.compression_algorithm, compressed->fragment, compressed->length, &data);
+ size = gnutls_decompress( state->security_parameters.compression_algorithm, compressed.data, compressed.size, &data);
if (size < 0) {
if (data!=NULL) gnutls_free(data);
- gnutls_free(*plain);
return GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM;
}
- plaintext->fragment = data;
- plaintext->length = size;
- plaintext->type = compressed->type;
- plaintext->version.major = compressed->version.major;
- plaintext->version.minor = compressed->version.minor;
+ plain->data = data;
+ plain->size = size;
return 0;
}
@@ -87,13 +69,3 @@ int _gnutls_TLSCompressed2TLSPlaintext(GNUTLS_STATE state,
-int _gnutls_freeTLSCompressed(GNUTLSCompressed * compressed)
-{
- if (compressed == NULL)
- return 0;
-
- gnutls_free(compressed->fragment);
- gnutls_free(compressed);
-
- return 0;
-}
diff --git a/lib/gnutls_compress.h b/lib/gnutls_compress.h
index 91143e073e..e526a2a481 100644
--- a/lib/gnutls_compress.h
+++ b/lib/gnutls_compress.h
@@ -18,14 +18,5 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
-int _gnutls_freeTLSCompressed(GNUTLSCompressed * compressed);
-int _gnutls_TLSPlaintext2TLSCompressed(GNUTLS_STATE state,
- GNUTLSCompressed **
- compress,
- GNUTLSPlaintext *
- plaintext);
-int _gnutls_TLSCompressed2TLSPlaintext(GNUTLS_STATE state,
- GNUTLSPlaintext**
- plain,
- GNUTLSCompressed *
- compressed);
+int _gnutls_plaintext2TLSCompressed(GNUTLS_STATE state, gnutls_datum* compress, gnutls_datum plaintext);
+int _gnutls_TLSCompressed2plaintext(GNUTLS_STATE state, gnutls_datum* plain, gnutls_datum compressed);
diff --git a/lib/gnutls_handshake.c b/lib/gnutls_handshake.c
index ff1e254e7e..c33356db78 100644
--- a/lib/gnutls_handshake.c
+++ b/lib/gnutls_handshake.c
@@ -25,7 +25,6 @@
#include "debug.h"
#include "gnutls_algorithms.h"
#include "gnutls_compress.h"
-#include "gnutls_plaintext.h"
#include "gnutls_cipher.h"
#include "gnutls_buffers.h"
#include "gnutls_kx.h"
@@ -51,14 +50,14 @@ static int SelectSuite(GNUTLS_STATE state, opaque ret[2], char *data, int datale
int _gnutls_SelectCompMethod(GNUTLS_STATE state, CompressionMethod * ret, opaque * data, int datalen);
void _gnutls_set_server_random( GNUTLS_STATE state, uint8* random) {
- memcpy( state->security_parameters.server_random, random, 32);
+ memcpy( state->security_parameters.server_random, random, TLS_RANDOM_SIZE);
if (state->gnutls_key!=NULL)
- memcpy( state->gnutls_key->server_random, random, 32);
+ memcpy( state->gnutls_key->server_random, random, TLS_RANDOM_SIZE);
}
void _gnutls_set_client_random( GNUTLS_STATE state, uint8* random) {
- memcpy( state->security_parameters.client_random, random, 32);
+ memcpy( state->security_parameters.client_random, random, TLS_RANDOM_SIZE);
if (state->gnutls_key!=NULL)
- memcpy( state->gnutls_key->client_random, random, 32);
+ memcpy( state->gnutls_key->client_random, random, TLS_RANDOM_SIZE);
}
/* Calculate The SSL3 Finished message */
@@ -155,18 +154,18 @@ void *_gnutls_finished(GNUTLS_STATE state, int type, int skip)
return data;
}
-/* this function will produce 32 bytes of random data
+/* this function will produce TLS_RANDOM_SIZE bytes of random data
* and put it to dst.
*/
int _gnutls_create_random( opaque* dst) {
uint32 tim;
-opaque rand[28];
+opaque rand[TLS_RANDOM_SIZE-4];
tim = time(NULL);
/* generate server random value */
WRITEuint32( tim, dst);
- if (_gnutls_get_random(rand, 28, GNUTLS_STRONG_RANDOM) < 0) {
+ if (_gnutls_get_random(rand, TLS_RANDOM_SIZE-4, GNUTLS_STRONG_RANDOM) < 0) {
gnutls_assert();
return GNUTLS_E_MEMORY_ERROR;
}
@@ -177,8 +176,8 @@ opaque rand[28];
/* Read a client hello
* client hello must be a known version client hello
- * or version 2.0 client hello (only for compatibility)
- * version 2.0 is not supported.
+ * or version 2.0 client hello (only for compatibility
+ * since SSL version 2.0 is not supported).
*/
#define DECR_LEN(len, x) len-=x; if (len<0) {gnutls_assert(); return GNUTLS_E_UNEXPECTED_PACKET_LENGTH;}
@@ -193,8 +192,8 @@ int _gnutls_read_client_hello(GNUTLS_STATE state, opaque * data,
GNUTLS_Version version;
int len = datalen;
int err;
- opaque random[32];
-
+ opaque random[TLS_RANDOM_SIZE];
+
if (state->gnutls_internals.v2_hello!=0) { /* version 2.0 */
return _gnutls_read_client_hello_v2(state, data, datalen);
}
@@ -218,9 +217,9 @@ int _gnutls_read_client_hello(GNUTLS_STATE state, opaque * data,
pos += 2;
- DECR_LEN(len, 32);
+ DECR_LEN(len, TLS_RANDOM_SIZE);
_gnutls_set_client_random( state, &data[pos]);
- pos += 32;
+ pos += TLS_RANDOM_SIZE;
_gnutls_create_random( random);
_gnutls_set_server_random( state, random);
@@ -231,7 +230,7 @@ int _gnutls_read_client_hello(GNUTLS_STATE state, opaque * data,
memcpy(&session_id_len, &data[pos++], 1);
/* RESUME SESSION */
- if (session_id_len > 32) {
+ if (session_id_len > TLS_MAX_SESSION_ID_SIZE) {
gnutls_assert();
return GNUTLS_E_UNEXPECTED_PACKET_LENGTH;
}
@@ -246,10 +245,10 @@ int _gnutls_read_client_hello(GNUTLS_STATE state, opaque * data,
/* get the new random values */
memcpy(state->gnutls_internals.resumed_security_parameters.
server_random,
- state->security_parameters.server_random, 32);
+ state->security_parameters.server_random, TLS_RANDOM_SIZE);
memcpy(state->gnutls_internals.resumed_security_parameters.
client_random,
- state->security_parameters.client_random, 32);
+ state->security_parameters.client_random, TLS_RANDOM_SIZE);
state->gnutls_internals.resumed = RESUME_TRUE;
return 0;
@@ -337,7 +336,7 @@ int _gnutls_read_client_hello(GNUTLS_STATE state, opaque * data,
* and initializing encryption. This is the first encrypted message
* we send.
*/
-int _gnutls_send_finished(int cd, GNUTLS_STATE state)
+int _gnutls_send_finished(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data;
int ret;
@@ -368,7 +367,7 @@ int _gnutls_send_finished(int cd, GNUTLS_STATE state)
* went fine we have negotiated a secure connection
*/
#define HANDSHAKE_HEADERS_SIZE 4
-int _gnutls_recv_finished(int cd, GNUTLS_STATE state)
+int _gnutls_recv_finished(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data, *vrfy;
int data_size;
@@ -503,7 +502,7 @@ int _gnutls_SelectCompMethod(GNUTLS_STATE state, CompressionMethod * ret,
}
-int _gnutls_send_handshake(int cd, GNUTLS_STATE state, void *i_data,
+int _gnutls_send_handshake(SOCKET cd, GNUTLS_STATE state, void *i_data,
uint32 i_datasize, HandshakeType type)
{
int ret;
@@ -548,7 +547,7 @@ int _gnutls_send_handshake(int cd, GNUTLS_STATE state, void *i_data,
* send to _gnutls_recv_hello().
*/
#define SSL2_HEADERS 1
-int _gnutls_recv_handshake(int cd, GNUTLS_STATE state, uint8 ** data,
+int _gnutls_recv_handshake(SOCKET cd, GNUTLS_STATE state, uint8 ** data,
int *datalen, HandshakeType type)
{
int ret;
@@ -617,18 +616,21 @@ int _gnutls_recv_handshake(int cd, GNUTLS_STATE state, uint8 ** data,
} else { /* v2 hello */
- length32 = state->gnutls_internals.v2_hello - 1; /* we've read the first byte */
+ length32 = state->gnutls_internals.v2_hello - SSL2_HEADERS; /* we've read the first byte */
handshake_headers = SSL2_HEADERS; /* we've already read one byte */
+ recv_type = dataptr[0];
#ifdef HANDSHAKE_DEBUG
fprintf(stderr, "Handshake: %s(v2) was received [%ld bytes]\n",
- _gnutls_handshake2str(dataptr[0]),
+ _gnutls_handshake2str(recv_type),
length32 + handshake_headers);
#endif
- recv_type = dataptr[0];
- if (dataptr[0] != GNUTLS_CLIENT_HELLO) /* it should be one or nothing */
+
+ if (recv_type != GNUTLS_CLIENT_HELLO) { /* it should be one or nothing */
+ gnutls_assert();
return GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET;
+ }
}
dataptr =
@@ -719,7 +721,7 @@ int _gnutls_recv_handshake(int cd, GNUTLS_STATE state, uint8 ** data,
* GNUTLS_E_WARNING_ALERT_RECEIVED and the alert will be
* GNUTLS_NO_RENEGOTIATION.
**/
-int gnutls_rehandshake(int cd, GNUTLS_STATE state)
+int gnutls_rehandshake(SOCKET cd, GNUTLS_STATE state)
{
int ret;
@@ -741,7 +743,7 @@ int ret;
return ret;
}
-int _gnutls_send_client_certificate(int cd, GNUTLS_STATE state)
+int _gnutls_send_client_certificate(SOCKET cd, GNUTLS_STATE state)
{
char data[1];
int ret;
@@ -795,9 +797,9 @@ static int _gnutls_read_server_hello( GNUTLS_STATE state, char *data, int datale
}
pos += 2;
- DECR_LEN(len, 32);
+ DECR_LEN(len, TLS_RANDOM_SIZE);
_gnutls_set_server_random( state, &data[pos]);
- pos += 32;
+ pos += TLS_RANDOM_SIZE;
DECR_LEN(len, 1);
memcpy(&session_id_len, &data[pos++], 1);
@@ -824,11 +826,11 @@ static int _gnutls_read_server_hello( GNUTLS_STATE state, char *data, int datale
memcpy(state->gnutls_internals.
resumed_security_parameters.server_random,
state->security_parameters.server_random,
- 32);
+ TLS_RANDOM_SIZE);
memcpy(state->gnutls_internals.
resumed_security_parameters.client_random,
state->security_parameters.client_random,
- 32);
+ TLS_RANDOM_SIZE);
state->gnutls_internals.resumed = RESUME_TRUE; /* we are resuming */
return 0;
@@ -934,7 +936,7 @@ static int _gnutls_read_server_hello( GNUTLS_STATE state, char *data, int datale
return ret;
}
-int _gnutls_send_hello(int cd, GNUTLS_STATE state)
+int _gnutls_send_hello(SOCKET cd, GNUTLS_STATE state)
{
char *data = NULL;
opaque *extdata;
@@ -945,7 +947,7 @@ int _gnutls_send_hello(int cd, GNUTLS_STATE state)
uint8 *compression_methods;
int i, datalen, ret = 0;
uint16 x;
- opaque random[32];
+ opaque random[TLS_RANDOM_SIZE];
if (state->security_parameters.entity == GNUTLS_CLIENT) {
opaque * SessionID = state->gnutls_internals.resumed_security_parameters.session_id;
@@ -972,8 +974,8 @@ int _gnutls_send_hello(int cd, GNUTLS_STATE state)
state->security_parameters.timestamp = time(0);
memcpy(&data[pos],
- state->security_parameters.client_random, 32);
- pos += 32;
+ state->security_parameters.client_random, TLS_RANDOM_SIZE);
+ pos += TLS_RANDOM_SIZE;
memcpy(&data[pos++], &session_id_len, 1);
@@ -1034,7 +1036,7 @@ int _gnutls_send_hello(int cd, GNUTLS_STATE state)
if (SessionID==NULL) session_id_len = 0;
- datalen = 2 + session_id_len + 1 + 32;
+ datalen = 2 + session_id_len + 1 + TLS_RANDOM_SIZE;
data = gnutls_malloc(datalen);
data[pos++] =
@@ -1045,8 +1047,8 @@ int _gnutls_send_hello(int cd, GNUTLS_STATE state)
version);
memcpy(&data[pos],
- state->security_parameters.server_random, 32);
- pos += 32;
+ state->security_parameters.server_random, TLS_RANDOM_SIZE);
+ pos += TLS_RANDOM_SIZE;
memcpy(&data[pos++], &session_id_len, sizeof(uint8));
if (session_id_len > 0) {
@@ -1089,7 +1091,7 @@ int _gnutls_send_hello(int cd, GNUTLS_STATE state)
* hello message is expected. It uses the gnutls_internals.current_cipher_suite
* and gnutls_internals.compression_method.
*/
-int _gnutls_recv_hello(int cd, GNUTLS_STATE state, char *data, int datalen)
+int _gnutls_recv_hello(SOCKET cd, GNUTLS_STATE state, char *data, int datalen)
{
int ret;
@@ -1113,7 +1115,7 @@ int ret;
return ret;
}
-int _gnutls_recv_certificate(int cd, GNUTLS_STATE state, char *data,
+int _gnutls_recv_certificate(SOCKET cd, GNUTLS_STATE state, char *data,
int datalen)
{
int pos = 0;
@@ -1167,7 +1169,7 @@ int _gnutls_recv_certificate(int cd, GNUTLS_STATE state, char *data,
* This function will fail if any problem is encountered,
* and the connection should be terminated.
**/
-int gnutls_handshake(int cd, GNUTLS_STATE state)
+int gnutls_handshake(SOCKET cd, GNUTLS_STATE state)
{
int ret;
@@ -1198,7 +1200,7 @@ int gnutls_handshake(int cd, GNUTLS_STATE state)
* continue the handshake - eg. even if the certificate cannot
* be verified- by calling gnutls_handshake_finish().
*/
-int gnutls_handshake_begin(int cd, GNUTLS_STATE state)
+int gnutls_handshake_begin(SOCKET cd, GNUTLS_STATE state)
{
int ret;
@@ -1316,7 +1318,7 @@ int gnutls_handshake_begin(int cd, GNUTLS_STATE state)
/* This function sends the final handshake packets and initializes connection
*/
-static int _gnutls_send_handshake_final(int cd, GNUTLS_STATE state,
+static int _gnutls_send_handshake_final(SOCKET cd, GNUTLS_STATE state,
int init)
{
int ret = 0;
@@ -1351,7 +1353,7 @@ static int _gnutls_send_handshake_final(int cd, GNUTLS_STATE state,
/* This function receives the final handshake packets
*/
-static int _gnutls_recv_handshake_final(int cd, GNUTLS_STATE state,
+static int _gnutls_recv_handshake_final(SOCKET cd, GNUTLS_STATE state,
int init)
{
int ret = 0;
@@ -1394,7 +1396,7 @@ static int _gnutls_recv_handshake_final(int cd, GNUTLS_STATE state,
* you have somehow verified the identity of the peer.
* This function will fail if any problem is encountered.
*/
-int gnutls_handshake_finish(int cd, GNUTLS_STATE state)
+int gnutls_handshake_finish(SOCKET cd, GNUTLS_STATE state)
{
int ret = 0;
@@ -1562,23 +1564,23 @@ int gnutls_handshake_finish(int cd, GNUTLS_STATE state)
int _gnutls_generate_session_id(char *session_id, uint8 * len)
{
- opaque rand[32];
- if (_gnutls_get_random(rand, 32, GNUTLS_WEAK_RANDOM) < 0) {
+ opaque rand[TLS_RANDOM_SIZE];
+ if (_gnutls_get_random(rand, TLS_RANDOM_SIZE, GNUTLS_WEAK_RANDOM) < 0) {
gnutls_assert();
return GNUTLS_E_MEMORY_ERROR;
}
- memcpy(session_id, rand, 32);
- *len = 32;
+ memcpy(session_id, rand, TLS_RANDOM_SIZE);
+ *len = TLS_RANDOM_SIZE;
#ifdef HARD_DEBUG
fprintf(stderr, "Generated SessionID: %s\n",
- _gnutls_bin2hex(session_id, 32));
+ _gnutls_bin2hex(session_id, TLS_RANDOM_SIZE));
#endif
return 0;
}
#define RENEGOTIATE
-int _gnutls_recv_hello_request(int cd, GNUTLS_STATE state, void* data, uint32 data_size) {
+int _gnutls_recv_hello_request(SOCKET cd, GNUTLS_STATE state, void* data, uint32 data_size) {
#ifndef RENEGOTIATE
int ret;
diff --git a/lib/gnutls_int.h b/lib/gnutls_int.h
index a55e1be5ec..dadc825e85 100644
--- a/lib/gnutls_int.h
+++ b/lib/gnutls_int.h
@@ -23,20 +23,25 @@
#define GNUTLS_INT_H
+/*
#define READ_DEBUG
-//#define WRITE_DEBUG
-//#define HARD_DEBUG
+#define WRITE_DEBUG
#define BUFFERS_DEBUG
#define HANDSHAKE_DEBUG
+#define HARD_DEBUG
#define DEBUG
+*/
-
+#define SOCKET int
#define LIST ...
#define MAX32 4294967295
#define MAX24 16777215
#define MAX16 65535
+#define TLS_RANDOM_SIZE 32
+#define TLS_MAX_SESSION_ID_SIZE 32
+
/* the default for TCP */
#define DEFAULT_LOWAT 1
@@ -164,8 +169,8 @@ typedef struct {
/* These are needed in RSA and DH signature calculation
*/
- opaque server_random[32];
- opaque client_random[32];
+ opaque server_random[TLS_RANDOM_SIZE];
+ opaque client_random[TLS_RANDOM_SIZE];
ProtocolVersion version;
opaque dnsname[256];
@@ -185,7 +190,6 @@ typedef struct {
ConnectionEnd entity;
BulkCipherAlgorithm bulk_cipher_algorithm;
KXAlgorithm kx_algorithm;
- CipherType cipher_type;
MACAlgorithm mac_algorithm;
CompressionMethod compression_algorithm;
uint8 IV_size;
@@ -193,9 +197,9 @@ typedef struct {
uint8 key_material_length;
uint8 hash_size;
opaque master_secret[48];
- opaque client_random[32];
- opaque server_random[32];
- opaque session_id[32];
+ opaque client_random[TLS_RANDOM_SIZE];
+ opaque server_random[TLS_RANDOM_SIZE];
+ opaque session_id[TLS_MAX_SESSION_ID_SIZE];
uint8 session_id_size;
time_t timestamp;
} SecurityParameters;
@@ -287,42 +291,19 @@ typedef GNUTLS_STATE_INT *GNUTLS_STATE;
typedef enum ContentType { GNUTLS_CHANGE_CIPHER_SPEC=20, GNUTLS_ALERT, GNUTLS_HANDSHAKE,
GNUTLS_APPLICATION_DATA } ContentType;
-typedef struct {
- uint8 type;
- ProtocolVersion version;
- uint16 length;
- opaque* fragment;
-} GNUTLSPlaintext;
-
-typedef struct {
- uint8 type;
- ProtocolVersion version;
- uint16 length;
- opaque* fragment;
-} GNUTLSCompressed;
-
-typedef struct {
- uint8 type;
- ProtocolVersion version;
- uint16 length;
- void* fragment; /* points GenericStreamCipher
- * or GenericBlockCipher
- */
-} GNUTLSCiphertext;
-
/* functions */
-int _gnutls_send_alert( int cd, GNUTLS_STATE state, AlertLevel level, AlertDescription desc);
-int gnutls_close(int cd, GNUTLS_STATE state);
+int _gnutls_send_alert( SOCKET cd, GNUTLS_STATE state, AlertLevel level, AlertDescription desc);
+int gnutls_close(SOCKET cd, GNUTLS_STATE state);
svoid *gnutls_PRF( opaque * secret, int secret_size, uint8 * label,
int label_size, opaque * seed, int seed_size,
int total_bytes);
void gnutls_set_current_version(GNUTLS_STATE state, GNUTLS_Version version);
GNUTLS_Version gnutls_get_current_version(GNUTLS_STATE state);
int _gnutls_set_keys(GNUTLS_STATE state);
-ssize_t gnutls_send_int(int cd, GNUTLS_STATE state, ContentType type, const void* data, size_t sizeofdata, int flags);
-ssize_t gnutls_recv_int(int cd, GNUTLS_STATE state, ContentType type, char* data, size_t sizeofdata, int flags);
-int _gnutls_send_change_cipher_spec(int cd, GNUTLS_STATE state);
+ssize_t gnutls_send_int(SOCKET cd, GNUTLS_STATE state, ContentType type, const void* data, size_t sizeofdata, int flags);
+ssize_t gnutls_recv_int(SOCKET cd, GNUTLS_STATE state, ContentType type, char* data, size_t sizeofdata, int flags);
+int _gnutls_send_change_cipher_spec(SOCKET cd, GNUTLS_STATE state);
int _gnutls_version_cmp(GNUTLS_Version ver1, GNUTLS_Version ver2);
#define _gnutls_version_ssl3(x) _gnutls_version_cmp(x, GNUTLS_SSL3)
diff --git a/lib/gnutls_kx.c b/lib/gnutls_kx.c
index 6108926c8b..ec97246f09 100644
--- a/lib/gnutls_kx.c
+++ b/lib/gnutls_kx.c
@@ -81,7 +81,7 @@ char random[64];
* server. It does nothing if this type of message is not required
* by the selected ciphersuite.
*/
-int _gnutls_send_server_kx_message(int cd, GNUTLS_STATE state)
+int _gnutls_send_server_kx_message(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data = NULL;
int data_size = 0;
@@ -113,7 +113,7 @@ int _gnutls_send_server_kx_message(int cd, GNUTLS_STATE state)
}
/* Currently only used in SRP */
-int _gnutls_send_server_kx_message2(int cd, GNUTLS_STATE state)
+int _gnutls_send_server_kx_message2(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data = NULL;
int data_size = 0;
@@ -154,7 +154,7 @@ int _gnutls_send_server_kx_message2(int cd, GNUTLS_STATE state)
/* This is the function for the client to send the key
* exchange message
*/
-int _gnutls_send_client_kx_message(int cd, GNUTLS_STATE state)
+int _gnutls_send_client_kx_message(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data;
int data_size;
@@ -198,7 +198,7 @@ int _gnutls_send_client_kx_message(int cd, GNUTLS_STATE state)
/* Only used in SRP currently
*/
-int _gnutls_send_client_kx_message0(int cd, GNUTLS_STATE state)
+int _gnutls_send_client_kx_message0(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data;
int data_size;
@@ -234,7 +234,7 @@ int _gnutls_send_client_kx_message0(int cd, GNUTLS_STATE state)
* FIXME: this function does almost nothing except sending garbage to
* peer.
*/
-int _gnutls_send_client_certificate_verify(int cd, GNUTLS_STATE state)
+int _gnutls_send_client_certificate_verify(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data;
int ret = 0;
@@ -266,7 +266,7 @@ int _gnutls_send_client_certificate_verify(int cd, GNUTLS_STATE state)
}
-int _gnutls_recv_server_kx_message(int cd, GNUTLS_STATE state)
+int _gnutls_recv_server_kx_message(SOCKET cd, GNUTLS_STATE state)
{
KXAlgorithm algorithm;
uint8 *data;
@@ -298,7 +298,7 @@ int _gnutls_recv_server_kx_message(int cd, GNUTLS_STATE state)
return ret;
}
-int _gnutls_recv_server_kx_message2(int cd, GNUTLS_STATE state)
+int _gnutls_recv_server_kx_message2(SOCKET cd, GNUTLS_STATE state)
{
KXAlgorithm algorithm;
uint8 *data;
@@ -335,7 +335,7 @@ int _gnutls_recv_server_kx_message2(int cd, GNUTLS_STATE state)
return ret;
}
-int _gnutls_recv_client_kx_message(int cd, GNUTLS_STATE state)
+int _gnutls_recv_client_kx_message(SOCKET cd, GNUTLS_STATE state)
{
KXAlgorithm algorithm;
uint8 *data;
@@ -379,7 +379,7 @@ int _gnutls_recv_client_kx_message(int cd, GNUTLS_STATE state)
}
/* only used in SRP */
-int _gnutls_recv_client_kx_message0(int cd, GNUTLS_STATE state)
+int _gnutls_recv_client_kx_message0(SOCKET cd, GNUTLS_STATE state)
{
KXAlgorithm algorithm;
uint8 *data;
@@ -418,7 +418,7 @@ int _gnutls_recv_client_kx_message0(int cd, GNUTLS_STATE state)
/* This is called when we want send our certificate
*/
-int _gnutls_send_certificate(int cd, GNUTLS_STATE state)
+int _gnutls_send_certificate(SOCKET cd, GNUTLS_STATE state)
{
uint8 *data = NULL;
int data_size = 0;
diff --git a/lib/gnutls_plaintext.c b/lib/gnutls_plaintext.c
deleted file mode 100644
index fdea5406fc..0000000000
--- a/lib/gnutls_plaintext.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2000 Nikos Mavroyanopoulos
- *
- * This file is part of GNUTLS.
- *
- * GNUTLS is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GNUTLS is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <defines.h>
-#include "gnutls_int.h"
-#include "gnutls_errors.h"
-#include "gnutls_algorithms.h"
-
-/* Plaintext Handling */
-int _gnutls_text2TLSPlaintext(GNUTLS_STATE state, ContentType type, GNUTLSPlaintext** plain, const char *text, uint16 length)
-{
- GNUTLSPlaintext *plaintext;
-
- if (length > 16384)
- return GNUTLS_E_LARGE_PACKET;
-
- *plain = gnutls_malloc(sizeof(GNUTLSPlaintext));
- plaintext = *plain;
-
- plaintext->fragment = gnutls_malloc(length);
- memmove(plaintext->fragment, text, length);
- plaintext->length = length;
- plaintext->type = type;
- plaintext->version.major = _gnutls_version_get_major(state->connection_state.version);
- plaintext->version.minor = _gnutls_version_get_minor(state->connection_state.version);
-
- return 0;
-}
-
-int _gnutls_TLSPlaintext2text( char** txt, GNUTLSPlaintext* plaintext)
-{
- char *text;
-
- if (plaintext->length > 16384)
- return GNUTLS_E_LARGE_PACKET;
-
- *txt = gnutls_malloc(plaintext->length);
- text = *txt;
-
- memmove(text, plaintext->fragment, plaintext->length);
-
- return 0;
-}
-
-int _gnutls_freeTLSPlaintext(GNUTLSPlaintext * plaintext)
-{
- if (plaintext == NULL)
- return 0;
-
- gnutls_free(plaintext->fragment);
- gnutls_free(plaintext);
-
- return 0;
-}
diff --git a/lib/gnutls_plaintext.h b/lib/gnutls_plaintext.h
deleted file mode 100644
index 7878790061..0000000000
--- a/lib/gnutls_plaintext.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2000 Nikos Mavroyanopoulos
- *
- * This file is part of GNUTLS.
- *
- * GNUTLS is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GNUTLS is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-int _gnutls_text2TLSPlaintext(GNUTLS_STATE state, ContentType type, GNUTLSPlaintext**, const char *text, uint16 length);
-int _gnutls_freeTLSPlaintext(GNUTLSPlaintext* plaintext);
-int _gnutls_TLSPlaintext2text( char**, GNUTLSPlaintext* plaintext);
diff --git a/lib/gnutls_record.c b/lib/gnutls_record.c
index d05aa55aab..3928142085 100644
--- a/lib/gnutls_record.c
+++ b/lib/gnutls_record.c
@@ -23,7 +23,6 @@
#include "gnutls_errors.h"
#include "debug.h"
#include "gnutls_compress.h"
-#include "gnutls_plaintext.h"
#include "gnutls_cipher.h"
#include "gnutls_buffers.h"
#include "gnutls_handshake.h"
@@ -353,7 +352,7 @@ int _gnutls_set_keys(GNUTLS_STATE state)
{
char *key_block;
char keyexp[] = "key expansion";
- char random[64];
+ char random[2*TLS_RANDOM_SIZE];
int hash_size;
int IV_size;
int key_size;
@@ -362,8 +361,8 @@ int _gnutls_set_keys(GNUTLS_STATE state)
IV_size = state->security_parameters.IV_size;
key_size = state->security_parameters.key_material_length;
- memmove(random, state->security_parameters.server_random, 32);
- memmove(&random[32], state->security_parameters.client_random, 32);
+ memmove(random, state->security_parameters.server_random, TLS_RANDOM_SIZE);
+ memmove(&random[TLS_RANDOM_SIZE], state->security_parameters.client_random, 32);
if (_gnutls_version_ssl3(state->connection_state.version) == 0) { /* SSL 3 */
key_block = gnutls_ssl3_generate_random( state->security_parameters.master_secret, 48, random, 64,
@@ -373,24 +372,41 @@ int _gnutls_set_keys(GNUTLS_STATE state)
gnutls_PRF( state->security_parameters.master_secret, 48,
keyexp, strlen(keyexp), random, 64, 2 * hash_size + 2 * key_size + 2 * IV_size);
}
-
- state->cipher_specs.client_write_mac_secret = secure_malloc(hash_size);
- memmove(state->cipher_specs.client_write_mac_secret, &key_block[0], hash_size);
-
- state->cipher_specs.server_write_mac_secret = secure_malloc(hash_size);
- memmove(state->cipher_specs.server_write_mac_secret, &key_block[hash_size], hash_size);
-
- state->cipher_specs.client_write_key = secure_malloc(key_size);
- memmove(state->cipher_specs.client_write_key, &key_block[2 * hash_size], key_size);
-
- state->cipher_specs.server_write_key = secure_malloc(key_size);
- memmove(state->cipher_specs.server_write_key, &key_block[2 * hash_size + key_size], key_size);
-
+
+ if (key_block==NULL) return GNUTLS_E_MEMORY_ERROR;
+
+ if (hash_size>0) {
+ state->cipher_specs.client_write_mac_secret = secure_malloc(hash_size);
+ if (state->cipher_specs.client_write_mac_secret==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
+ memmove(state->cipher_specs.client_write_mac_secret, &key_block[0], hash_size);
+
+ state->cipher_specs.server_write_mac_secret = secure_malloc(hash_size);
+ if (state->cipher_specs.server_write_mac_secret==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
+ memmove(state->cipher_specs.server_write_mac_secret, &key_block[hash_size], hash_size);
+ }
+
+ if (key_size>0) {
+ state->cipher_specs.client_write_key = secure_malloc(key_size);
+ if (state->cipher_specs.client_write_key==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
+ memmove(state->cipher_specs.client_write_key, &key_block[2 * hash_size], key_size);
+
+ state->cipher_specs.server_write_key = secure_malloc(key_size);
+ if (state->cipher_specs.server_write_key==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
+ memmove(state->cipher_specs.server_write_key, &key_block[2 * hash_size + key_size], key_size);
+ }
if (IV_size > 0) {
state->cipher_specs.client_write_IV = secure_malloc(IV_size);
+ if (state->cipher_specs.client_write_IV==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
memmove(state->cipher_specs.client_write_IV, &key_block[2 * key_size + 2 * hash_size], IV_size);
state->cipher_specs.server_write_IV = secure_malloc(IV_size);
+ if (state->cipher_specs.server_write_IV==NULL)
+ return GNUTLS_E_MEMORY_ERROR;
memmove(state->cipher_specs.server_write_IV, &key_block[2 * hash_size + 2 * key_size + IV_size], IV_size);
}
@@ -398,7 +414,7 @@ int _gnutls_set_keys(GNUTLS_STATE state)
return 0;
}
-int _gnutls_send_alert(int cd, GNUTLS_STATE state, AlertLevel level, AlertDescription desc)
+int _gnutls_send_alert(SOCKET cd, GNUTLS_STATE state, AlertLevel level, AlertDescription desc)
{
uint8 data[2];
@@ -406,7 +422,7 @@ int _gnutls_send_alert(int cd, GNUTLS_STATE state, AlertLevel level, AlertDescri
memmove(&data[1], &desc, 1);
#ifdef DEBUG
- fprintf(stderr, "Record: Sending Alert[%d|%d] - %s - was received\n", data[0], data[1], _gnutls_alert2str((int)data[1]));
+ fprintf(stderr, "Record: Sending Alert[%d|%d] - %s\n", data[0], data[1], _gnutls_alert2str((int)data[1]));
#endif
return gnutls_send_int(cd, state, GNUTLS_ALERT, data, 2, 0);
@@ -421,7 +437,7 @@ int _gnutls_send_alert(int cd, GNUTLS_STATE state, AlertLevel level, AlertDescri
* you may continue using the TCP connection. The connection should
* have been initiated using gnutls_handshake() or similar function.
**/
-int gnutls_bye(int cd, GNUTLS_STATE state)
+int gnutls_bye(SOCKET cd, GNUTLS_STATE state)
{
int ret;
@@ -435,7 +451,7 @@ int gnutls_bye(int cd, GNUTLS_STATE state)
return ret;
}
-int gnutls_close_nowait(int cd, GNUTLS_STATE state)
+int gnutls_close_nowait(SOCKET cd, GNUTLS_STATE state)
{
int ret;
@@ -451,7 +467,7 @@ int gnutls_close_nowait(int cd, GNUTLS_STATE state)
* send (if called by the user the Content is specific)
* It is intended to transfer data, under the current state.
*/
-ssize_t gnutls_send_int(int cd, GNUTLS_STATE state, ContentType type, const void *_data, size_t sizeofdata, int flags)
+ssize_t gnutls_send_int(SOCKET cd, GNUTLS_STATE state, ContentType type, const void *_data, size_t sizeofdata, int flags)
{
uint8 *cipher;
int i, cipher_size;
@@ -464,6 +480,7 @@ ssize_t gnutls_send_int(int cd, GNUTLS_STATE state, ContentType type, const void
if (sizeofdata == 0)
return 0;
if (state->gnutls_internals.valid_connection == VALID_FALSE) {
+ gnutls_assert();
return GNUTLS_E_INVALID_SESSION;
}
@@ -486,16 +503,20 @@ ssize_t gnutls_send_int(int cd, GNUTLS_STATE state, ContentType type, const void
for (i = 0; i < iterations; i++) {
cipher_size = _gnutls_encrypt( state, &data[i*Size], Size, &cipher, type);
- if (cipher_size <= 0) return cipher_size; /* error */
-
+ if (cipher_size <= 0) {
+ gnutls_assert();
+ return cipher_size; /* error */
+ }
+
WRITEuint16( cipher_size, &headers[3]);
- /* cipher does not have headers
- * and DOES have size for them
- */
- memmove( cipher, headers, HEADER_SIZE);
+ if (_gnutls_Write(cd, headers, HEADER_SIZE) != HEADER_SIZE) {
+ state->gnutls_internals.valid_connection = VALID_FALSE;
+ state->gnutls_internals.resumable = RESUME_FALSE;
+ gnutls_assert();
+ return GNUTLS_E_UNABLE_SEND_DATA;
+ }
- cipher_size += HEADER_SIZE;
if (_gnutls_Write(cd, cipher, cipher_size) != cipher_size) {
state->gnutls_internals.valid_connection = VALID_FALSE;
state->gnutls_internals.resumable = RESUME_FALSE;
@@ -554,7 +575,7 @@ ssize_t gnutls_send_int(int cd, GNUTLS_STATE state, ContentType type, const void
/* This function is to be called if the handshake was successfully
* completed. This sends a Change Cipher Spec packet to the peer.
*/
-ssize_t _gnutls_send_change_cipher_spec(int cd, GNUTLS_STATE state)
+ssize_t _gnutls_send_change_cipher_spec(SOCKET cd, GNUTLS_STATE state)
{
int ret = 0;
uint8 type=GNUTLS_CHANGE_CIPHER_SPEC;
@@ -562,6 +583,7 @@ ssize_t _gnutls_send_change_cipher_spec(int cd, GNUTLS_STATE state)
uint8 headers[5];
if (state->gnutls_internals.valid_connection == VALID_FALSE) {
+ gnutls_assert();
return GNUTLS_E_INVALID_SESSION;
}
@@ -595,7 +617,7 @@ ssize_t _gnutls_send_change_cipher_spec(int cd, GNUTLS_STATE state)
#define RCVLOWAT state->gnutls_internals.lowat /* this is the default for TCP - just don't change that! */
-static int _gnutls_clear_peeked_data( int cd, GNUTLS_STATE state) {
+static int _gnutls_clear_peeked_data( SOCKET cd, GNUTLS_STATE state) {
char peekdata;
/* this was already read by using MSG_PEEK - so it shouldn't fail */
@@ -611,8 +633,7 @@ char peekdata;
* flags is the sockets flags to use. Currently only MSG_DONTWAIT is
* supported.
*/
-#define SSL2_HSIZE
-ssize_t gnutls_recv_int(int cd, GNUTLS_STATE state, ContentType type, char *data, size_t sizeofdata, int flags)
+ssize_t gnutls_recv_int(SOCKET cd, GNUTLS_STATE state, ContentType type, char *data, size_t sizeofdata, int flags)
{
uint8 *tmpdata;
int tmplen;
@@ -639,6 +660,7 @@ ssize_t gnutls_recv_int(int cd, GNUTLS_STATE state, ContentType type, char *data
}
if (state->gnutls_internals.valid_connection == VALID_FALSE) {
+ gnutls_assert();
return GNUTLS_E_INVALID_SESSION;
}
@@ -665,6 +687,7 @@ ssize_t gnutls_recv_int(int cd, GNUTLS_STATE state, ContentType type, char *data
*/
version = GNUTLS_VERSION_UNKNOWN; /* assume unknown version */
length = (((headers[0] & 0x7f) << 8)) | headers[1];
+
header_size = 2;
recv_type = GNUTLS_HANDSHAKE; /* we accept only v2 client hello
*/
@@ -686,7 +709,13 @@ ssize_t gnutls_recv_int(int cd, GNUTLS_STATE state, ContentType type, char *data
#ifdef DEBUG
fprintf(stderr, "Record: INVALID VERSION PACKET: (%d) %d.%d\n", headers[0], headers[1], headers[2]);
#endif
- _gnutls_send_alert(cd, state, GNUTLS_FATAL, GNUTLS_PROTOCOL_VERSION);
+ if (type!=GNUTLS_ALERT) {
+ /* some browsers return garbage, when
+ * we send them a close notify.
+ * silently ignore that.
+ */
+ _gnutls_send_alert(cd, state, GNUTLS_FATAL, GNUTLS_PROTOCOL_VERSION);
+ }
state->gnutls_internals.resumable = RESUME_FALSE;
gnutls_assert();
return GNUTLS_E_UNSUPPORTED_VERSION_PACKET;
@@ -1054,7 +1083,7 @@ AlertDescription gnutls_get_last_alert( GNUTLS_STATE state) {
* difference is that is accepts a GNUTLS state. Currently flags cannot
* be anything except 0.
**/
-ssize_t gnutls_send(int cd, GNUTLS_STATE state, const void *data, size_t sizeofdata, int flags) {
+ssize_t gnutls_send(SOCKET cd, GNUTLS_STATE state, const void *data, size_t sizeofdata, int flags) {
return gnutls_send_int( cd, state, GNUTLS_APPLICATION_DATA, data, sizeofdata, flags);
}
@@ -1073,7 +1102,7 @@ ssize_t gnutls_send(int cd, GNUTLS_STATE state, const void *data, size_t sizeofd
* if the socket is set to non blocking IO it will return GNUTLS_E_AGAIN,
* if there are no data in the socket.
**/
-ssize_t gnutls_recv(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags) {
+ssize_t gnutls_recv(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata, int flags) {
return gnutls_recv_int( cd, state, GNUTLS_APPLICATION_DATA, data, sizeofdata, flags);
}
@@ -1087,7 +1116,7 @@ ssize_t gnutls_recv(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata, i
* This function has the same semantics as write() has. The only
* difference is that is accepts a GNUTLS state.
**/
-ssize_t gnutls_write(int cd, GNUTLS_STATE state, const void *data, size_t sizeofdata) {
+ssize_t gnutls_write(SOCKET cd, GNUTLS_STATE state, const void *data, size_t sizeofdata) {
return gnutls_send_int( cd, state, GNUTLS_APPLICATION_DATA, data, sizeofdata, 0);
}
@@ -1101,6 +1130,6 @@ ssize_t gnutls_write(int cd, GNUTLS_STATE state, const void *data, size_t sizeof
* This function has the same semantics as read() has. The only
* difference is that is accepts a GNUTLS state.
**/
-ssize_t gnutls_read(int cd, GNUTLS_STATE state, void *data, size_t sizeofdata) {
+ssize_t gnutls_read(SOCKET cd, GNUTLS_STATE state, void *data, size_t sizeofdata) {
return gnutls_recv_int( cd, state, GNUTLS_APPLICATION_DATA, data, sizeofdata, 0);
}
diff --git a/lib/gnutls_v2_compat.c b/lib/gnutls_v2_compat.c
index efeaa5aa47..455b18db1a 100644
--- a/lib/gnutls_v2_compat.c
+++ b/lib/gnutls_v2_compat.c
@@ -25,7 +25,6 @@
#include "debug.h"
#include "gnutls_algorithms.h"
#include "gnutls_compress.h"
-#include "gnutls_plaintext.h"
#include "gnutls_cipher.h"
#include "gnutls_buffers.h"
#include "gnutls_kx.h"
@@ -97,8 +96,8 @@ static int SelectSuite_v2(GNUTLS_STATE state, opaque ret[2], char *data,
#define DECR_LEN(len, x) len-=x; if (len<0) {gnutls_assert(); return GNUTLS_E_UNEXPECTED_PACKET_LENGTH;}
-/* Read a v2 client hello. Some browsers still use that beast!!!
- * However they set their version to 3.0 or 3.1 --- that's cool!
+/* Read a v2 client hello. Some browsers still use that beast!
+ * However they set their version to 3.0 or 3.1.
*/
int _gnutls_read_client_hello_v2(GNUTLS_STATE state, opaque * data,
int datalen)
@@ -108,19 +107,18 @@ int _gnutls_read_client_hello_v2(GNUTLS_STATE state, opaque * data,
int ret = 0;
uint16 sizeOfSuites;
GNUTLS_Version version;
- opaque random[32];
+ opaque random[TLS_RANDOM_SIZE];
int len = datalen;
int err;
uint16 challenge;
- opaque session_id[32];
+ opaque session_id[TLS_MAX_SESSION_ID_SIZE];
/* we only want to get here once - only in client hello */
state->gnutls_internals.v2_hello = 0;
-
DECR_LEN(len, 2);
#ifdef DEBUG
- fprintf(stderr, "Client's version: %d.%d\n", data[pos],
+ fprintf(stderr, "V2 Handshake: Client's version: %d.%d\n", data[pos],
data[pos + 1]);
#endif
@@ -141,26 +139,23 @@ int _gnutls_read_client_hello_v2(GNUTLS_STATE state, opaque * data,
DECR_LEN(len, 2);
sizeOfSuites = READuint16( &data[pos]);
pos += 2;
-fprintf(stderr, "suites: %d\n", sizeOfSuites);
/* read session id length */
DECR_LEN(len, 2);
session_id_len = READuint16( &data[pos]);
pos += 2;
- if (session_id_len > 32) {
+ if (session_id_len > TLS_MAX_SESSION_ID_SIZE) {
gnutls_assert();
return GNUTLS_E_UNEXPECTED_PACKET_LENGTH;
}
-fprintf(stderr, "sessid: %d\n", session_id_len);
/* read challenge length */
DECR_LEN(len, 2);
challenge = READuint16( &data[pos]);
pos += 2;
-fprintf(stderr, "challenge: %d\n", challenge);
- if ( challenge < 16 || challenge > 32) {
+ if ( challenge < 16 || challenge > TLS_RANDOM_SIZE) {
gnutls_assert();
return GNUTLS_E_UNSUPPORTED_VERSION_PACKET;
}
@@ -196,7 +191,7 @@ fprintf(stderr, "challenge: %d\n", challenge);
if (state->gnutls_internals.auth_struct == NULL) {
#ifdef DEBUG
fprintf(stderr,
- "Cannot find the appropriate handler for the KX algorithm\n");
+ "V2 Handshake: Cannot find the appropriate handler for the KX algorithm\n");
#endif
gnutls_assert();
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
@@ -210,9 +205,13 @@ fprintf(stderr, "challenge: %d\n", challenge);
pos+=session_id_len;
DECR_LEN(len, challenge);
- memset( random, 0, 32);
- memcpy( random, &data[pos], challenge);
-fprintf(stderr, "challenge: %s\n", _gnutls_bin2hex(random, 32));
+ memset( random, 0, TLS_RANDOM_SIZE);
+
+ /* Well, I think that this is not what TLS 1.0 defines,
+ * but with this, we are compatible with netscape browser!
+ */
+ memcpy( &random[TLS_RANDOM_SIZE-challenge], &data[pos], challenge);
+
_gnutls_set_client_random( state, random);
/* generate server random value */
@@ -231,9 +230,9 @@ fprintf(stderr, "challenge: %s\n", _gnutls_bin2hex(random, 32));
if (ret == 0) { /* resumed! */
/* get the new random values */
memcpy(state->gnutls_internals.resumed_security_parameters.server_random,
- state->security_parameters.server_random, 32);
+ state->security_parameters.server_random, TLS_RANDOM_SIZE);
memcpy(state->gnutls_internals.resumed_security_parameters.client_random,
- state->security_parameters.client_random, 32);
+ state->security_parameters.client_random, TLS_RANDOM_SIZE);
state->gnutls_internals.resumed = RESUME_TRUE;
return 0;
diff --git a/src/serv.c b/src/serv.c
index 91c2d63882..7225a31b3b 100644
--- a/src/serv.c
+++ b/src/serv.c
@@ -29,6 +29,7 @@
#include <unistd.h>
#include "../lib/gnutls.h"
#include <port.h>
+#include <signal.h>
#define PKIX "pkix.asn"
#define PKCS "pkcs1.asn"
@@ -50,6 +51,8 @@ void PARSE()
/* this is to be moved to gnutls */
int result = parser_asn1(PKIX);
+ signal( SIGPIPE, SIG_IGN);
+
if (result == ASN_SYNTAX_ERROR) {
printf("%s: PARSE ERROR\n", PKIX);
return;
@@ -113,9 +116,12 @@ GNUTLS_STATE initialize_state()
if ((ret = gnutls_set_db_name(state, "gnutls-rsm.db")) < 0)
fprintf(stderr, "*** DB error (%d)\n", ret);
- gnutls_set_cipher_priority(state, GNUTLS_ARCFOUR,
+ /* null cipher is here only for debuging
+ * purposes.
+ */
+ gnutls_set_cipher_priority(state, GNUTLS_NULL_CIPHER, GNUTLS_ARCFOUR,
GNUTLS_RIJNDAEL_CBC, GNUTLS_3DES_CBC, 0);
- gnutls_set_compression_priority(state, GNUTLS_NULL_COMPRESSION, 0);
+ gnutls_set_compression_priority(state, GNUTLS_ZLIB, GNUTLS_NULL_COMPRESSION, 0);
gnutls_set_kx_priority(state, GNUTLS_KX_RSA, GNUTLS_KX_SRP,
GNUTLS_KX_DH_ANON, 0);
gnutls_set_cred(state, GNUTLS_ANON, &dh_cred);