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Compression supported

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change_user added: auth token still to be extracted from COM_CHANGE_USER
This commit is contained in:
Massimiliano Pinto
2013-01-28 13:48:14 +01:00
parent 27f2bb85a5
commit 92d3a89fcb
4 changed files with 197 additions and 24 deletions
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69
protocol_1.0/mod_skysql.c
View File

@ -243,7 +243,7 @@ int mysql_print_result(MYSQL_conn *conn) {
return (int) buffer[4]; return (int) buffer[4];
} }
static int mysql_connect(char *host, int port, char *dbname, char *user, char *passwd, MYSQL_conn *conn) { static int mysql_connect(char *host, int port, char *dbname, char *user, char *passwd, MYSQL_conn *conn, int compress) {
apr_status_t rv; apr_status_t rv;
int connect = 0; int connect = 0;
int ciclo = 0; int ciclo = 0;
@ -477,8 +477,14 @@ static int mysql_connect(char *host, int port, char *dbname, char *user, char *p
packet_buffer[3] = '\x01'; packet_buffer[3] = '\x01';
//final_capabilities = 1025669; //final_capabilities = 1025669;
final_capabilities |= SKYSQL_CAPABILITIES_PROTOCOL_41; final_capabilities |= SKYSQL_CAPABILITIES_PROTOCOL_41;
final_capabilities &= SKYSQL_CAPABILITIES_CLIENT; final_capabilities |= SKYSQL_CAPABILITIES_CLIENT;
if (compress) {
final_capabilities |= SKYSQL_CAPABILITIES_COMPRESS;
fprintf(stderr, "Backend Connection with compression\n");
fflush(stderr);
}
if (passwd != NULL) { if (passwd != NULL) {
uint8_t hash1[APR_SHA1_DIGESTSIZE]; uint8_t hash1[APR_SHA1_DIGESTSIZE];
@ -517,10 +523,10 @@ static int mysql_connect(char *host, int port, char *dbname, char *user, char *p
skysql_set_byte4(client_capabilities, final_capabilities); skysql_set_byte4(client_capabilities, final_capabilities);
memcpy(packet_buffer + 4, client_capabilities, 4); memcpy(packet_buffer + 4, client_capabilities, 4);
packet_buffer[4] = '\x8d'; //packet_buffer[4] = '\x8d';
packet_buffer[5] = '\xa6'; //packet_buffer[5] = '\xa6';
packet_buffer[6] = '\x0f'; //packet_buffer[6] = '\x0f';
packet_buffer[7] = '\x00'; //packet_buffer[7] = '\x00';
skysql_set_byte4(packet_buffer + 4 + 4, 16777216); skysql_set_byte4(packet_buffer + 4 + 4, 16777216);
packet_buffer[12] = '\x08'; packet_buffer[12] = '\x08';
@ -536,18 +542,19 @@ static int mysql_connect(char *host, int port, char *dbname, char *user, char *p
bytes += strlen(user); bytes += strlen(user);
if (dbname == NULL) { if (dbname == NULL) {
strcpy(packet_buffer+36 + 5 + 2, "mysql_native_password"); //strcpy(packet_buffer+36 + 5 + 2, "mysql_native_password");
} else { } else {
if (passwd != NULL) { if (passwd != NULL) {
*(packet_buffer+36 + 5 + 1) = 20; *(packet_buffer+36 + 5 + 1) = 20;
memcpy(packet_buffer+36 + 5 + 1 + 1, client_scramble, 20); memcpy(packet_buffer+36 + 5 + 1 + 1, client_scramble, 20);
strcpy(packet_buffer+36 + 5 + 1 + 1 + 20, dbname); strcpy(packet_buffer+36 + 5 + 1 + 1 + 20, dbname);
strcpy(packet_buffer+36 + 5 + 1 + 1 + 20 + strlen(dbname) + 1, "mysql_native_password"); //strcpy(packet_buffer+36 + 5 + 1 + 1 + 20 + strlen(dbname) + 1, "mysql_native_password");
bytes += 20 + strlen(dbname) + 1; //bytes += 20 + strlen(dbname) + 1;
bytes += strlen(dbname) -1;
} else { } else {
strcpy(packet_buffer+36 + 5 + 1 + 1, dbname); strcpy(packet_buffer+36 + 5 + 1 + 1, dbname);
strcpy(packet_buffer+36 + 5 + 1 + 1 + strlen(dbname) + 1, "mysql_native_password"); //strcpy(packet_buffer+36 + 5 + 1 + 1 + strlen(dbname) + 1, "mysql_native_password");
bytes += strlen(dbname) + 1; bytes += strlen(dbname) -1;
} }
} }
@ -807,6 +814,17 @@ static int skysql_process_connection(conn_rec *c) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "current username is [%s]", mysql_client_data->username); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "current username is [%s]", mysql_client_data->username);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "current DB is [%s]", mysql_client_data->database != NULL ? mysql_client_data->database : ""); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "current DB is [%s]", mysql_client_data->database != NULL ? mysql_client_data->database : "");
///////////////////////////
// check for compression //
///////////////////////////
if (mysql_driver->compress) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "Compress Request is in connect packet");
}
/////////////////////
// Let's go ahead //
/////////////////////
// now the pool pointer is set to NULL // now the pool pointer is set to NULL
pool = NULL; pool = NULL;
@ -853,7 +871,7 @@ static int skysql_process_connection(conn_rec *c) {
selected_dbname = "test"; selected_dbname = "test";
} }
if (mysql_connect(selected_host, selected_port, selected_dbname, mysql_client_data->username, "pippo", conn) != 0) { if (mysql_connect(selected_host, selected_port, selected_dbname, mysql_client_data->username, "pippo", conn, mysql_driver->compress) != 0) {
//if (mysql_real_connect(conn, "192.168.1.40", "root", "pippo", "test", 3306, NULL, 0) == NULL) // //if (mysql_real_connect(conn, "192.168.1.40", "root", "pippo", "test", 3306, NULL, 0) == NULL) //
ap_log_error(APLOG_MARK, APLOG_ERR, 0, c->base_server, "MYSQL Connect [%s:%i] Error %u: %s", selected_host, selected_port, mysql_errno(conn), mysql_error(conn)); ap_log_error(APLOG_MARK, APLOG_ERR, 0, c->base_server, "MYSQL Connect [%s:%i] Error %u: %s", selected_host, selected_port, mysql_errno(conn), mysql_error(conn));
return 500; return 500;
@ -883,6 +901,7 @@ static int skysql_process_connection(conn_rec *c) {
apr_socket_timeout_set(ap_get_conn_socket(c), timeout); apr_socket_timeout_set(ap_get_conn_socket(c), timeout);
while(1) { while(1) {
char i_username[100]="";
////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////
// the new pool is allocated on c->pool // the new pool is allocated on c->pool
// this new pool is the right one for the while(1) main loop // this new pool is the right one for the while(1) main loop
@ -1018,7 +1037,9 @@ static int skysql_process_connection(conn_rec *c) {
break; break;
case 0x04 : case 0x04 :
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "COM_FIELD_LIST", query_from_client+5); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "COM_FIELD_LIST", query_from_client+5);
skysql_send_ok(c, pool, 1, 0, NULL); mysql_pass_packet(conn, query_from_client, query_from_client_len);
mysql_receive_packet(c, pool, conn);
//skysql_send_ok(c, pool, 1, 0, NULL);
break; break;
case 0x1b : case 0x1b :
@ -1072,10 +1093,22 @@ static int skysql_process_connection(conn_rec *c) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "MYSQL_conn is NULL? %i", conn == NULL ? 1 : 0); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "MYSQL_conn is NULL? %i", conn == NULL ? 1 : 0);
} }
break; break;
dafault : case 0x11 :
ap_log_error(APLOG_MARK, APLOG_ERR, 0, c->base_server, "UNKNOW MYSQL PROTOCOL COMMAND [%x]", mysql_command); strcpy(i_username, query_from_client+5);
// reponse sent to the client, with custom error: TODO ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "COM_CHANGE_USER");
skysql_send_ok(c, pool, 1, 0, "unknow command"); skysql_change_user(c, pool, i_username, "test", conn, stage1_hash);
mysql_receive_packet(c, pool, conn);
break;
default :
if (mysql_driver->compress) {
mysql_pass_packet(conn, query_from_client, query_from_client_len);
mysql_receive_packet(c, pool, conn);
} else {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "UNKNOW MYSQL PROTOCOL COMMAND [%x]", mysql_command);
// reponse sent to the client, with custom error: TODO
skysql_send_ok(c, pool, 1, 0, "unknow command");
}
break; break;
} }
@ -1179,7 +1212,7 @@ static void skysql_child_init(apr_pool_t *p, server_rec *s) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, "MYSQL init Error %u: %s\n", mysql_errno(conf->conn), mysql_error(conf->conn)); ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, "MYSQL init Error %u: %s\n", mysql_errno(conf->conn), mysql_error(conf->conn));
return; return;
} }
if (mysql_connect("127.0.0.1", 3306, "test", "pippo", "pippo", conf->conn) != 0) { if (mysql_connect("127.0.0.1", 3306, "test", "pippo", "pippo", conf->conn, 0) != 0) {
//if (mysql_real_connect(conf->conn, "192.168.1.40", "root", "pippo", "test", 3306, NULL, 0) == NULL) { //if (mysql_real_connect(conf->conn, "192.168.1.40", "root", "pippo", "test", 3306, NULL, 0) == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, "MYSQL Connect Error %u: %s\n", mysql_errno(conf->conn), mysql_error(conf->conn)); ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, "MYSQL Connect Error %u: %s\n", mysql_errno(conf->conn), mysql_error(conf->conn));
return ; return ;

17
protocol_1.0/skysql_client.h
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@ -116,12 +116,25 @@ typedef enum
SKYSQL_CAPABILITIES_MULTI_STATEMENTS | SKYSQL_CAPABILITIES_MULTI_STATEMENTS |
SKYSQL_CAPABILITIES_MULTI_RESULTS | SKYSQL_CAPABILITIES_MULTI_RESULTS |
SKYSQL_CAPABILITIES_PS_MULTI_RESULTS | SKYSQL_CAPABILITIES_PS_MULTI_RESULTS |
SKYSQL_CAPABILITIES_SECURE_CONNECTION) SKYSQL_CAPABILITIES_SECURE_CONNECTION),
SKYSQL_CAPABILITIES_CLIENT_COMPRESS= (SKYSQL_CAPABILITIES_LONG_PASSWORD |
SKYSQL_CAPABILITIES_FOUND_ROWS |
SKYSQL_CAPABILITIES_LONG_FLAG |
SKYSQL_CAPABILITIES_CONNECT_WITH_DB |
SKYSQL_CAPABILITIES_LOCAL_FILES |
SKYSQL_CAPABILITIES_PLUGIN_AUTH |
SKYSQL_CAPABILITIES_TRANSACTIONS |
SKYSQL_CAPABILITIES_PROTOCOL_41 |
SKYSQL_CAPABILITIES_MULTI_STATEMENTS |
SKYSQL_CAPABILITIES_MULTI_RESULTS |
SKYSQL_CAPABILITIES_PS_MULTI_RESULTS |
SKYSQL_CAPABILITIES_COMPRESS
),
} skysql_capabilities_t; } skysql_capabilities_t;
#define SMALL_CHUNK 1024 #define SMALL_CHUNK 1024
#define MAX_CHUNK SMALL_CHUNK * 8 * 2 #define MAX_CHUNK SMALL_CHUNK * 8 * 4
#define ToHex(Y) (Y>='0'&&Y<='9'?Y-'0':Y-'A'+10) #define ToHex(Y) (Y>='0'&&Y<='9'?Y-'0':Y-'A'+10)
//#define MYSQL_CONN_DEBUG //#define MYSQL_CONN_DEBUG

1
protocol_1.0/skysql_gw.h
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@ -93,6 +93,7 @@ typedef struct {
uint8_t charset; uint8_t charset;
uint8_t scramble_buff; uint8_t scramble_buff;
int connect_with_db; int connect_with_db;
int compress;
} mysql_driver_details; } mysql_driver_details;
int skysql_ext_file_ver(); int skysql_ext_file_ver();

134
protocol_1.0/skysql_utils.c
View File

@ -197,17 +197,17 @@ apr_status_t skysql_change_user(conn_rec *c, apr_pool_t *p, char *username, char
uint8_t charset[2]=""; uint8_t charset[2]="";
uint8_t backend_scramble[20 +1]=""; uint8_t backend_scramble[20 +1]="";
int fd = 0;
int user_len = strlen(username); int user_len = strlen(username);
int database_len = strlen(database); int database_len = strlen(database);
uint8_t *password = NULL; uint8_t *password = NULL;
uint8_t temp_token[20 +1] =""; uint8_t temp_token[20 +1] ="";
uint8_t stage1_password[20 +1] =""; uint8_t stage1_password[20 +1] ="";
apr_status_t rv = -1;
long bytes;
//get password from repository //get password from repository
password = gateway_find_user_password_sha1("pippo", NULL, c, p); password = gateway_find_user_password_sha1(username, NULL, c, p);
memcpy(backend_scramble, conn->scramble, 20); memcpy(backend_scramble, conn->scramble, 20);
skysql_sha1_2_str(backend_scramble, 20, password, 20, temp_token); skysql_sha1_2_str(backend_scramble, 20, password, 20, temp_token);
@ -221,9 +221,11 @@ apr_status_t skysql_change_user(conn_rec *c, apr_pool_t *p, char *username, char
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway TO backend scramble [%s]", backend_scramble); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway TO backend scramble [%s]", backend_scramble);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway SHA1(password) [%s]", stage1_hash); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway SHA1(password) [%s]", stage1_hash);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway internal password [%s]", password);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway SHA1(scramble + SHA1(stage1_hash)) [%s]", temp_token); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway SHA1(scramble + SHA1(stage1_hash)) [%s]", temp_token);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway TO backend token [%s]", token+1); ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skygateway TO backend token [%s]", token+1);
//skysql_payload_size = 1 + user_len + 1 + sizeof(token) + database_len + 1 + sizeof(charset) + 1 + sizeof("mysql_native_password") + 1;
skysql_payload_size = 1 + user_len + 1 + sizeof(token) + database_len + 1 + sizeof(charset); skysql_payload_size = 1 + user_len + 1 + sizeof(token) + database_len + 1 + sizeof(charset);
// allocate memory for packet header + payload // allocate memory for packet header + payload
@ -239,8 +241,11 @@ apr_status_t skysql_change_user(conn_rec *c, apr_pool_t *p, char *username, char
memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1, token, 21); memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1, token, 21);
memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1 + 21, database, database_len); memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1 + 21, database, database_len);
memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1 + 21 + database_len + 1, charset, sizeof(charset)); memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1 + 21 + database_len + 1, charset, sizeof(charset));
//memcpy(outbuf + sizeof(skysql_packet_header) + 1 + strlen(username) + 1 + 21 + database_len + 1 + sizeof(charset) + 1, "mysql_native_password", strlen("mysql_native_password"));
write(fd, outbuf, sizeof(skysql_packet_header) + skysql_payload_size); bytes = sizeof(skysql_packet_header) + skysql_payload_size;
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "skysql_change_user is %li bytes", bytes);
rv = apr_socket_send(conn->socket, outbuf, &bytes);
} }
apr_status_t skysql_read_client_autentication(conn_rec *c, apr_pool_t *pool, uint8_t *scramble, int scramble_len, skysql_client_auth *mysql_client_data, uint8_t *stage1_hash) { apr_status_t skysql_read_client_autentication(conn_rec *c, apr_pool_t *pool, uint8_t *scramble, int scramble_len, skysql_client_auth *mysql_client_data, uint8_t *stage1_hash) {
@ -328,6 +333,7 @@ apr_status_t skysql_read_client_autentication(conn_rec *c, apr_pool_t *pool, uin
// todo: insert constant values instead of numbers // todo: insert constant values instead of numbers
memcpy(mysql_driver->client_flags, client_auth_packet + 4, 4); memcpy(mysql_driver->client_flags, client_auth_packet + 4, 4);
mysql_driver->connect_with_db = SKYSQL_CAPABILITIES_CONNECT_WITH_DB & skysql_get_byte4(mysql_driver->client_flags); mysql_driver->connect_with_db = SKYSQL_CAPABILITIES_CONNECT_WITH_DB & skysql_get_byte4(mysql_driver->client_flags);
mysql_driver->compress = SKYSQL_CAPABILITIES_COMPRESS & skysql_get_byte4(mysql_driver->client_flags);
mysql_client_data->username = apr_pstrndup(p, client_auth_packet + 4 + 4 + 4 + 1 + 23, 128); mysql_client_data->username = apr_pstrndup(p, client_auth_packet + 4 + 4 + 4 + 1 + 23, 128);
memcpy(&token_len, client_auth_packet + 4 + 4 + 4 + 1 + 23 + strlen(mysql_client_data->username) + 1, 1); memcpy(&token_len, client_auth_packet + 4 + 4 + 4 + 1 + 23 + strlen(mysql_client_data->username) + 1, 1);
@ -769,6 +775,9 @@ apr_status_t skysql_send_handshake(conn_rec *c, uint8_t *scramble, int *scramble
//write server capabilities part two //write server capabilities part two
skysql_server_capabilities_two[0] = 15; skysql_server_capabilities_two[0] = 15;
skysql_server_capabilities_two[1] = 128; skysql_server_capabilities_two[1] = 128;
//skysql_server_capabilities_two[0] & SKYSQL_CAPABILITIES_COMPRESS;
memcpy(skysql_handshake_payload, skysql_server_capabilities_two, sizeof(skysql_server_capabilities_two)); memcpy(skysql_handshake_payload, skysql_server_capabilities_two, sizeof(skysql_server_capabilities_two));
skysql_handshake_payload = skysql_handshake_payload + sizeof(skysql_server_capabilities_two); skysql_handshake_payload = skysql_handshake_payload + sizeof(skysql_server_capabilities_two);
@ -1213,3 +1222,120 @@ int mysql_send_command(MYSQL_conn *conn, const char *command, int cmd, int len)
return 0; return 0;
} }
int mysql_pass_packet(MYSQL_conn *conn, const char *command, int len) {
apr_status_t rv;
//uint8_t *packet_buffer=NULL;
uint8_t packet_buffer[SMALL_CHUNK];
long bytes;
int fd;
//packet_buffer = (uint8_t *) calloc(1, 5 + len + 1);
memset(&packet_buffer, '\0', sizeof(packet_buffer));
memcpy(packet_buffer, command, len);
bytes = len;
#ifdef MYSQL_CONN_DEBUG
fprintf(stderr, "THE COMMAND is [%s] len %i\n", command, bytes);
fprintf(stderr, "THE COMMAND TID is [%lu]", conn->tid);
fprintf(stderr, "THE COMMAND scramble is [%s]", conn->scramble);
if (conn->socket == NULL) {
fprintf(stderr, "***** THE COMMAND sock struct is NULL\n");
}
fwrite(packet_buffer, bytes, 1, stderr);
fflush(stderr);
#endif
apr_os_sock_get(&fd,conn->socket);
#ifdef MYSQL_CONN_DEBUG
fprintf(stderr, "PACKET Socket FD is %i\n", fd);
fflush(stderr);
#endif
rv = apr_socket_send(conn->socket, packet_buffer, &bytes);
#ifdef MYSQL_CONN_DEBUG
fprintf(stderr, "PACKET SENT [%s]\n", command);
fflush(stderr);
#endif
if (rv != APR_SUCCESS) {
return 1;
}
return 0;
}
int mysql_receive_packet(conn_rec *c, apr_pool_t *p, MYSQL_conn *conn) {
apr_bucket_brigade *bb1;
apr_bucket *b1;
apr_status_t rv;
uint8_t buffer[MAX_CHUNK];
unsigned long bytes = MAX_CHUNK;
unsigned long tot_bytes = 0;
int cycle=0;
int is_eof = 0;
apr_socket_timeout_set(conn->socket, 100000000);
while(1) {
char errmesg_p[1000]="";
bytes=MAX_CHUNK;
memset(buffer, '\0', MAX_CHUNK);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW is receiving ...");
rv = apr_socket_recv(conn->socket, buffer, &bytes);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW received %lu bytes", bytes);
if (rv) {
if (APR_STATUS_IS_EAGAIN(rv)) {
continue;
}
}
tot_bytes += bytes;
if (rv != APR_SUCCESS && rv != APR_EOF && rv != APR_EAGAIN) {
char errmesg[1000]="";
apr_strerror(rv, errmesg, sizeof(errmesg));
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive error %i, [%s]", rv, errmesg);
return 1;
}
if (rv == APR_EOF && bytes == 0) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive error: EOF");
}
bb1 = apr_brigade_create(p, c->bucket_alloc);
apr_brigade_write(bb1, ap_filter_flush, c->output_filters, buffer, bytes);
ap_fflush(c->output_filters, bb1);
apr_brigade_destroy(bb1);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive, brigade sent with %li bytes", bytes);
cycle++;
if (bytes < MAX_CHUNK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive: less bytes than buffer here, Return from query result: total bytes %lu in %i", tot_bytes, cycle);
return 0;
}
if (bytes == MAX_CHUNK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive: ALL bytes in the buffer here, continue");
}
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "SKYSQLGW receive: Return from query result: total bytes %lu in %i", tot_bytes, cycle);
return 0;
}