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mariadb_lib.c
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/************************************************************************************
Copyright (C) 2000, 2012 MySQL AB & MySQL Finland AB & TCX DataKonsult AB,
Monty Program AB
2013, 2022 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
Part of this code includes code from the PHP project which
is freely available from http://www.php.net
*************************************************************************************/
#include <ma_global.h>
#include <ma_sys.h>
#include <ma_string.h>
#include <mariadb_ctype.h>
#include <ma_common.h>
#include "ma_priv.h"
#include "ma_context.h"
#include "mysql.h"
#include "mariadb_version.h"
#include "ma_server_error.h"
#include <mariadb/ma_io.h>
#include "errmsg.h"
#include <sys/stat.h>
#include <signal.h>
#include <time.h>
#include <mariadb_dyncol.h>
#include <mariadb_rpl.h>
#ifndef __has_feature
# define __has_feature(x) 0
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#if !defined(_WIN32)
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#ifdef HAVE_SELECT_H
# include <select.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#endif
#ifdef HAVE_SYS_UN_H
# include <sys/un.h>
#endif
#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif
#ifndef _WIN32
#include <poll.h>
#endif
#include <ma_pvio.h>
#ifdef HAVE_TLS
#include <ma_tls.h>
#endif
#include <mysql/client_plugin.h>
#ifdef _WIN32
#include "shlwapi.h"
#include "ws2tcpip.h"
#define strncasecmp _strnicmp
#endif
#define ASYNC_CONTEXT_DEFAULT_STACK_SIZE (256*1024)
#define MA_RPL_VERSION_HACK "5.5.5-"
#define CHARSET_NAME_LEN 64
#undef max_allowed_packet
#undef net_buffer_length
extern ulong max_allowed_packet; /* net.c */
extern ulong net_buffer_length; /* net.c */
static MYSQL_PARAMETERS mariadb_internal_parameters= {&max_allowed_packet, &net_buffer_length, 0};
static my_bool mysql_client_init=0;
static void mysql_close_options(MYSQL *mysql);
static void ma_clear_session_state(MYSQL *mysql);
static int parse_connection_string(MYSQL *mysql, const char *unused, const char *conn_str, ssize_t len);
extern void release_configuration_dirs();
extern char **get_default_configuration_dirs();
extern my_bool ma_init_done;
extern my_bool mysql_ps_subsystem_initialized;
extern my_bool mysql_handle_local_infile(MYSQL *mysql, const char *filename, my_bool can_local_infile);
extern const MARIADB_CHARSET_INFO * mysql_find_charset_nr(uint charsetnr);
extern const MARIADB_CHARSET_INFO * mysql_find_charset_name(const char * const name);
extern my_bool set_default_charset_by_name(const char *cs_name, myf flags __attribute__((unused)));
extern int run_plugin_auth(MYSQL *mysql, char *data, uint data_len,
const char *data_plugin, const char *db);
extern int net_add_multi_command(NET *net, uchar command, const uchar *packet,
size_t length);
extern unsigned char* ma_stmt_execute_generate_request(MYSQL_STMT *stmt, size_t *request_len, my_bool internal);
extern LIST *pvio_callback;
/* prepare statement methods from my_stmt.c */
extern my_bool mthd_supported_buffer_type(enum enum_field_types type);
extern my_bool mthd_stmt_read_prepare_response(MYSQL_STMT *stmt);
extern my_bool mthd_stmt_get_param_metadata(MYSQL_STMT *stmt);
extern my_bool mthd_stmt_get_result_metadata(MYSQL_STMT *stmt);
extern int mthd_stmt_read_execute_response(MYSQL_STMT *stmt);
extern int mthd_stmt_fetch_row(MYSQL_STMT *stmt, unsigned char **row);
extern int mthd_stmt_fetch_to_bind(MYSQL_STMT *stmt, unsigned char *row);
extern int mthd_stmt_read_all_rows(MYSQL_STMT *stmt);
extern void mthd_stmt_flush_unbuffered(MYSQL_STMT *stmt);
extern my_bool _mariadb_read_options(MYSQL *mysql, const char *dir, const char *config_file, const char *group, unsigned int recursion);
extern unsigned char *mysql_net_store_length(unsigned char *packet, ulonglong length);
extern void
my_context_install_suspend_resume_hook(struct mysql_async_context *b,
void (*hook)(my_bool, void *),
void *user_data);
uint mysql_port=0;
my_string mysql_unix_port=0;
#define CONNECT_TIMEOUT 0
struct st_mariadb_methods MARIADB_DEFAULT_METHODS;
#if defined(_WIN32)
// socket_errno is defined in ma_global.h for all platforms
#define perror(A)
#else
#include <errno.h>
#define SOCKET_ERROR -1
#endif /* _WIN32 */
#include <mysql/client_plugin.h>
#define IS_CONNHDLR_ACTIVE(mysql)\
((mysql)->extension && (mysql)->extension->conn_hdlr)
static void end_server(MYSQL *mysql);
static void mysql_close_memory(MYSQL *mysql);
void read_user_name(char *name);
my_bool STDCALL mariadb_reconnect(MYSQL *mysql);
static int cli_report_progress(MYSQL *mysql, uchar *packet, uint length);
extern int mysql_client_plugin_init();
extern void mysql_client_plugin_deinit();
/* Helper function to detect possible buffer over- or underflow */
my_bool ma_check_buffer_boundaries(MYSQL *mysql, uchar *current_pos,
ulong packet_size, size_t required)
{
if ( (packet_size < (ulong)(current_pos - mysql->net.read_pos)) ||
((size_t)(packet_size - (current_pos - mysql->net.read_pos)) < required))
return 1;
return 0;
}
/* net_get_error */
void net_get_error(char *buf, size_t buf_len,
char *error, size_t error_len,
unsigned int *error_no,
char *sqlstate)
{
char *p= buf;
size_t error_msg_len= 0;
if (buf_len > 2)
{
*error_no= uint2korr(p);
p+= 2;
/* since 4.1 sqlstate is following */
if (*p == '#')
{
memcpy(sqlstate, ++p, SQLSTATE_LENGTH);
p+= SQLSTATE_LENGTH;
}
error_msg_len= buf_len - (p - buf);
error_msg_len= MIN(error_msg_len, error_len - 1);
memcpy(error, p, error_msg_len);
}
else
{
*error_no= CR_UNKNOWN_ERROR;
memcpy(sqlstate, SQLSTATE_UNKNOWN, SQLSTATE_LENGTH);
}
}
/*****************************************************************************
** read a packet from server. Give error message if socket was down
** or packet is an error message
*****************************************************************************/
ulong
ma_net_safe_read(MYSQL *mysql)
{
NET *net= &mysql->net;
ulong len=0;
restart:
if (net->pvio != 0)
len=ma_net_read(net);
if (len == packet_error || len == 0)
{
end_server(mysql);
#ifdef HAVE_TLS
/* don't overwrite possible tls protocol errors */
if (net->last_errno != CR_SSL_CONNECTION_ERROR)
#endif
{
my_set_error(mysql, net->last_errno == ER_NET_PACKET_TOO_LARGE ?
CR_NET_PACKET_TOO_LARGE:
CR_SERVER_LOST,
SQLSTATE_UNKNOWN, 0, errno);
}
return(packet_error);
}
if (net->read_pos[0] == 255)
{
if (len > 3)
{
char *pos=(char*) net->read_pos+1;
uint last_errno=uint2korr(pos);
pos+=2;
len-=2;
if (last_errno== 65535 &&
((mariadb_connection(mysql) && (mysql->server_capabilities & CLIENT_PROGRESS)) ||
(!(mysql->extension->mariadb_server_capabilities & MARIADB_CLIENT_PROGRESS << 32))))
{
if (cli_report_progress(mysql, (uchar *)pos, (uint) (len-1)))
{
/* Wrong packet */
my_set_error(mysql, CR_MALFORMED_PACKET, SQLSTATE_UNKNOWN, 0);
return (packet_error);
}
goto restart;
}
if (IS_MYSQL_ERROR(last_errno) || IS_MARIADB_ERROR(last_errno))
{
/* The server appears to have sent an error code within the
* range(s) of error codes that should only be generated
* client-side.
*/
my_set_error(mysql, CR_MALFORMED_PACKET, SQLSTATE_UNKNOWN, 0);
}
else
{
net->last_errno= last_errno;
if (pos[0]== '#')
{
ma_strmake(net->sqlstate, pos+1, SQLSTATE_LENGTH);
pos+= SQLSTATE_LENGTH + 1;
}
else
{
strncpy(net->sqlstate, SQLSTATE_UNKNOWN, SQLSTATE_LENGTH);
}
ma_strmake(net->last_error,(char*) pos,
min(len,sizeof(net->last_error)-1));
}
/* MDEV-35935: if server sends error packet without error, we have to
set error manually */
if (!net->last_errno) {
my_set_error(mysql, CR_ERR_MISSING_ERROR_INFO, SQLSTATE_UNKNOWN, 0);
}
}
else
{
my_set_error(mysql, CR_UNKNOWN_ERROR, SQLSTATE_UNKNOWN, 0);
}
mysql->server_status&= ~SERVER_MORE_RESULTS_EXIST;
return(packet_error);
}
return len;
}
/*
Report progress to the client
RETURN VALUES
0 ok
1 error
*/
static int cli_report_progress(MYSQL *mysql, uchar *packet, uint length)
{
uint stage, max_stage, proc_length;
double progress;
uchar *start= packet;
if (length < 5)
return 1; /* Wrong packet */
if (!(mysql->options.extension && mysql->options.extension->report_progress))
return 0; /* No callback, ignore packet */
packet++; /* Ignore number of strings */
stage= (uint) *packet++;
max_stage= (uint) *packet++;
progress= uint3korr(packet)/1000.0;
packet+= 3;
proc_length= net_field_length(&packet);
if (packet + proc_length > start + length)
return 1; /* Wrong packet */
(*mysql->options.extension->report_progress)(mysql, stage, max_stage,
progress, (char*) packet,
proc_length);
return 0;
}
/* Get the length of next field. Change parameter to point at fieldstart */
ulong
net_field_length(uchar **packet)
{
reg1 uchar *pos= *packet;
if (*pos < 251)
{
(*packet)++;
return (ulong) *pos;
}
if (*pos == 251)
{
(*packet)++;
return NULL_LENGTH;
}
if (*pos == 252)
{
(*packet)+=3;
return (ulong) uint2korr(pos+1);
}
if (*pos == 253)
{
(*packet)+=4;
return (ulong) uint3korr(pos+1);
}
(*packet)+=9; /* Must be 254 when here */
return (ulong) uint4korr(pos+1);
}
/* Same as above, but returns ulonglong values */
static unsigned long long
net_field_length_ll(uchar **packet)
{
reg1 uchar *pos= *packet;
if (*pos < 251)
{
(*packet)++;
return (unsigned long long) *pos;
}
if (*pos == 251)
{
(*packet)++;
return (unsigned long long) NULL_LENGTH;
}
if (*pos == 252)
{
(*packet)+=3;
return (unsigned long long) uint2korr(pos+1);
}
if (*pos == 253)
{
(*packet)+=4;
return (unsigned long long) uint3korr(pos+1);
}
(*packet)+=9; /* Must be 254 when here */
#ifdef NO_CLIENT_LONGLONG
return (unsigned long long) uint4korr(pos+1);
#else
return (unsigned long long) uint8korr(pos+1);
#endif
}
void free_rows(MYSQL_DATA *cur)
{
if (cur)
{
ma_free_root(&cur->alloc,MYF(0));
free(cur);
}
}
int
mthd_my_send_cmd(MYSQL *mysql,enum enum_server_command command, const char *arg,
size_t length, my_bool skip_check, void *opt_arg)
{
NET *net= &mysql->net;
int result= -1;
/* CONC-589: If reconnect option was specified, we have to check if the connection
(socket) is still available */
if (command != COM_QUIT && mysql->options.reconnect && !ma_pvio_is_alive(mysql->net.pvio))
{
ma_pvio_close(mysql->net.pvio);
mysql->net.pvio= NULL;
mysql->net.error= 1;
}
if (mysql->net.pvio == 0)
{
/* Do reconnect if possible */
if (mariadb_reconnect(mysql))
return(1);
}
if (mysql->status != MYSQL_STATUS_READY ||
mysql->server_status & SERVER_MORE_RESULTS_EXIST)
{
SET_CLIENT_ERROR(mysql, CR_COMMANDS_OUT_OF_SYNC, SQLSTATE_UNKNOWN, 0);
goto end;
}
if (IS_CONNHDLR_ACTIVE(mysql))
{
result= mysql->extension->conn_hdlr->plugin->set_connection(mysql, command, arg, length, skip_check, opt_arg);
if (result== -1)
return(result);
}
CLEAR_CLIENT_ERROR(mysql);
if (command == COM_QUERY ||
command == COM_STMT_PREPARE)
{
if ((mysql->options.client_flag & CLIENT_LOCAL_FILES) &&
mysql->options.extension && mysql->extension->auto_local_infile == WAIT_FOR_QUERY &&
arg && (*arg == 'l' || *arg == 'L'))
{
if (strncasecmp(arg, "load", 4) == 0)
mysql->extension->auto_local_infile= ACCEPT_FILE_REQUEST;
}
}
mysql->info=0;
mysql->affected_rows= ~(unsigned long long) 0;
ma_net_clear(net); /* Clear receive buffer */
if (!arg)
arg="";
if (net->extension->multi_status== COM_MULTI_ENABLED)
{
return net_add_multi_command(net, command, (const uchar *)arg, length);
}
if (ma_net_write_command(net,(uchar) command,arg,
length ? length : (ulong) strlen(arg), 0))
{
if (net->last_errno == ER_NET_PACKET_TOO_LARGE)
{
my_set_error(mysql, CR_NET_PACKET_TOO_LARGE, SQLSTATE_UNKNOWN, 0);
goto end;
}
end_server(mysql);
if (mariadb_reconnect(mysql))
goto end;
if (ma_net_write_command(net,(uchar) command,arg,
length ? length : (ulong) strlen(arg), 0))
{
my_set_error(mysql, CR_SERVER_GONE_ERROR, SQLSTATE_UNKNOWN, 0);
goto end;
}
}
result=0;
if (net->extension->multi_status > COM_MULTI_OFF)
skip_check= 1;
if (!skip_check)
{
result= ((mysql->packet_length=ma_net_safe_read(mysql)) == packet_error ?
1 : 0);
}
end:
return(result);
}
int
ma_simple_command(MYSQL *mysql,enum enum_server_command command, const char *arg,
size_t length, my_bool skip_check, void *opt_arg)
{
return mysql->methods->db_command(mysql, command, arg, length, skip_check, opt_arg);
}
int ma_multi_command(MYSQL *mysql, enum enum_multi_status status)
{
NET *net= &mysql->net;
switch (status) {
case COM_MULTI_OFF:
ma_net_clear(net);
net->extension->multi_status= status;
return 0;
case COM_MULTI_ENABLED:
if (net->extension->multi_status > COM_MULTI_DISABLED)
return 1;
ma_net_clear(net);
net->extension->multi_status= status;
return 0;
case COM_MULTI_DISABLED:
/* Opposite to COM_MULTI_OFF we don't clear net buffer,
next command or com_nulti_end will flush entire buffer */
net->extension->multi_status= status;
return 0;
case COM_MULTI_END:
{
size_t len= net->write_pos - net->buff - NET_HEADER_SIZE;
if (len < NET_HEADER_SIZE) /* don't send empty request */
{
ma_net_clear(net);
return 1;
}
net->extension->multi_status= COM_MULTI_OFF;
return ma_net_flush(net);
}
case COM_MULTI_CANCEL:
ma_net_clear(net);
net->extension->multi_status= COM_MULTI_OFF;
return 0;
default:
return 1;
}
}
static void free_old_query(MYSQL *mysql)
{
if (mysql->fields)
ma_free_root(&mysql->field_alloc,MYF(0));
ma_init_alloc_root(&mysql->field_alloc,8192,0); /* Assume rowlength < 8192 */
mysql->fields=0;
mysql->field_count=0; /* For API */
mysql->info= 0;
return;
}
#if defined(HAVE_GETPWUID) && defined(NO_GETPWUID_DECL)
struct passwd *getpwuid(uid_t);
char* getlogin(void);
#endif
#if !defined(_WIN32)
void read_user_name(char *name)
{
if (geteuid() == 0)
strcpy(name,"root"); /* allow use of surun */
else
{
#ifdef HAVE_GETPWUID
struct passwd *skr;
const char *str;
if ((skr=getpwuid(geteuid())) != NULL)
{
str=skr->pw_name;
} else if ((str=getlogin()) == NULL)
{
if (!(str=getenv("USER")) && !(str=getenv("LOGNAME")) &&
!(str=getenv("LOGIN")))
str="UNKNOWN_USER";
}
ma_strmake(name,str,USERNAME_LENGTH);
#elif defined(HAVE_CUSERID)
(void) cuserid(name);
#else
ma_strmake(name,"UNKNOWN_USER", USERNAME_LENGTH);
#endif
}
return;
}
#else /* WIN32 */
void read_user_name(char *name)
{
char *str=getenv("USERNAME"); /* ODBC will send user variable */
ma_strmake(name,str ? str : "ODBC", USERNAME_LENGTH);
}
#endif
/**************************************************************************
** Shut down connection
**************************************************************************/
static void
end_server(MYSQL *mysql)
{
/* if net->error 2 and reconnect is activated, we need to inform
connection handler */
if (mysql->net.pvio != 0)
{
ma_pvio_close(mysql->net.pvio);
mysql->net.pvio= 0; /* Marker */
}
ma_net_end(&mysql->net);
free_old_query(mysql);
return;
}
void mthd_my_skip_result(MYSQL *mysql)
{
ulong pkt_len;
do {
pkt_len= ma_net_safe_read(mysql);
if (pkt_len == packet_error)
break;
} while (pkt_len > 8 || mysql->net.read_pos[0] != 254);
return;
}
void STDCALL
mysql_free_result(MYSQL_RES *result)
{
if (result)
{
if (result->handle && result->handle->status == MYSQL_STATUS_USE_RESULT)
{
result->handle->methods->db_skip_result(result->handle);
result->handle->status=MYSQL_STATUS_READY;
}
free_rows(result->data);
if (result->fields)
ma_free_root(&result->field_alloc,MYF(0));
if (result->row)
free(result->row);
free(result);
}
return;
}
/****************************************************************************
** Get options from my.cnf
****************************************************************************/
enum enum_option_type {
MARIADB_OPTION_NONE,
MARIADB_OPTION_BOOL,
MARIADB_OPTION_INT,
MARIADB_OPTION_SIZET,
MARIADB_OPTION_STR,
MARIADB_OPTION_FUNC,
};
struct st_default_options {
union {
enum mysql_option option;
int (*option_func)(MYSQL *mysql, const char *key, const char *value, ssize_t len);
} u;
enum enum_option_type type;
const char *conf_key;
};
struct st_default_options mariadb_defaults[] =
{
{{MARIADB_OPT_PORT}, MARIADB_OPTION_INT,"port"},
{{MARIADB_OPT_UNIXSOCKET}, MARIADB_OPTION_STR, "socket"},
{{MYSQL_OPT_COMPRESS}, MARIADB_OPTION_BOOL, "compress"},
{{MARIADB_OPT_PASSWORD}, MARIADB_OPTION_STR, "password"},
{{MYSQL_OPT_NAMED_PIPE}, MARIADB_OPTION_BOOL, "pipe"},
{{MYSQL_OPT_CONNECT_TIMEOUT}, MARIADB_OPTION_INT, "timeout"},
{{MARIADB_OPT_USER}, MARIADB_OPTION_STR, "user"},
{{MYSQL_INIT_COMMAND}, MARIADB_OPTION_STR, "init-command"},
{{MARIADB_OPT_HOST}, MARIADB_OPTION_STR, "host"},
{{MARIADB_OPT_SCHEMA}, MARIADB_OPTION_STR, "database"},
{{MARIADB_OPT_DEBUG}, MARIADB_OPTION_STR, "debug"},
{{MARIADB_OPT_FOUND_ROWS}, MARIADB_OPTION_NONE, "return-found-rows"},
{{MYSQL_OPT_SSL_KEY}, MARIADB_OPTION_STR, "ssl-key"},
{{MYSQL_OPT_SSL_CERT}, MARIADB_OPTION_STR,"ssl-cert"},
{{MYSQL_OPT_SSL_CA}, MARIADB_OPTION_STR,"ssl-ca"},
{{MYSQL_OPT_SSL_CAPATH}, MARIADB_OPTION_STR,"ssl-capath"},
{{MYSQL_OPT_SSL_CRL}, MARIADB_OPTION_STR,"ssl-crl"},
{{MYSQL_OPT_SSL_CRLPATH}, MARIADB_OPTION_STR,"ssl-crlpath"},
{{MYSQL_OPT_SSL_VERIFY_SERVER_CERT}, MARIADB_OPTION_BOOL,"ssl-verify-server-cert"},
{{MYSQL_SET_CHARSET_DIR}, MARIADB_OPTION_STR, "character-sets-dir"},
{{MYSQL_SET_CHARSET_NAME}, MARIADB_OPTION_STR, "default-character-set"},
{{MARIADB_OPT_INTERACTIVE}, MARIADB_OPTION_NONE, "interactive-timeout"},
{{MYSQL_OPT_CONNECT_TIMEOUT}, MARIADB_OPTION_INT, "connect-timeout"},
{{MYSQL_OPT_LOCAL_INFILE}, MARIADB_OPTION_BOOL, "local-infile"},
{{0}, 0 ,"disable-local-infile",},
{{MYSQL_OPT_SSL_CIPHER}, MARIADB_OPTION_STR, "ssl-cipher"},
{{MYSQL_OPT_MAX_ALLOWED_PACKET}, MARIADB_OPTION_SIZET, "max-allowed-packet"},
{{MYSQL_OPT_NET_BUFFER_LENGTH}, MARIADB_OPTION_SIZET, "net-buffer-length"},
{{MYSQL_OPT_PROTOCOL}, MARIADB_OPTION_INT, "protocol"},
{{MYSQL_SHARED_MEMORY_BASE_NAME}, MARIADB_OPTION_STR,"shared-memory-base-name"},
{{MARIADB_OPT_MULTI_RESULTS}, MARIADB_OPTION_BOOL, "multi-results"},
{{MARIADB_OPT_MULTI_STATEMENTS}, MARIADB_OPTION_BOOL, "multi-statements"},
{{MARIADB_OPT_MULTI_STATEMENTS}, MARIADB_OPTION_BOOL, "multi-queries"},
{{MYSQL_SECURE_AUTH}, MARIADB_OPTION_BOOL, "secure-auth"},
{{MYSQL_REPORT_DATA_TRUNCATION}, MARIADB_OPTION_BOOL, "report-data-truncation"},
{{MYSQL_OPT_RECONNECT}, MARIADB_OPTION_BOOL, "reconnect"},
{{MYSQL_PLUGIN_DIR}, MARIADB_OPTION_STR, "plugin-dir"},
{{MYSQL_DEFAULT_AUTH}, MARIADB_OPTION_STR, "default-auth"},
{{MARIADB_OPT_SSL_FP}, MARIADB_OPTION_STR, "ssl-fp"},
{{MARIADB_OPT_SSL_FP_LIST}, MARIADB_OPTION_STR, "ssl-fp-list"},
{{MARIADB_OPT_SSL_FP_LIST}, MARIADB_OPTION_STR, "ssl-fplist"},
{{MARIADB_OPT_TLS_PASSPHRASE}, MARIADB_OPTION_STR, "ssl-passphrase"},
{{MARIADB_OPT_TLS_VERSION}, MARIADB_OPTION_STR, "tls-version"},
{{MYSQL_SERVER_PUBLIC_KEY}, MARIADB_OPTION_STR, "server-public-key"},
{{MYSQL_OPT_BIND}, MARIADB_OPTION_STR, "bind-address"},
{{MYSQL_OPT_SSL_ENFORCE}, MARIADB_OPTION_BOOL, "ssl-enforce"},
{{MARIADB_OPT_RESTRICTED_AUTH}, MARIADB_OPTION_STR, "restricted-auth"},
{{.option_func=parse_connection_string}, MARIADB_OPTION_FUNC, "connection"},
{{MARIADB_OPT_BULK_UNIT_RESULTS}, MARIADB_OPTION_BOOL, "bulk-unit-results"},
/* Aliases */
{{MARIADB_OPT_SCHEMA}, MARIADB_OPTION_STR, "db"},
{{MARIADB_OPT_UNIXSOCKET}, MARIADB_OPTION_STR, "unix_socket"},
{{MARIADB_OPT_HOST}, MARIADB_OPTION_STR, "servername"},
{{MARIADB_OPT_PASSWORD}, MARIADB_OPTION_STR, "passwd"},
{{MARIADB_OPT_SSL_FP}, MARIADB_OPTION_STR, "tls-fp"},
{{MARIADB_OPT_SSL_FP_LIST}, MARIADB_OPTION_STR, "tls-fplist"},
{{MYSQL_OPT_SSL_KEY}, MARIADB_OPTION_STR, "tls-key"},
{{MYSQL_OPT_SSL_CERT}, MARIADB_OPTION_STR,"tls-cert"},
{{MYSQL_OPT_SSL_CA}, MARIADB_OPTION_STR,"tls-ca"},
{{MYSQL_OPT_SSL_CAPATH}, MARIADB_OPTION_STR,"tls-capath"},
{{MYSQL_OPT_SSL_CRL}, MARIADB_OPTION_STR,"tls-crl"},
{{MYSQL_OPT_SSL_CRLPATH}, MARIADB_OPTION_STR,"tls-crlpath"},
{{MYSQL_OPT_SSL_CIPHER}, MARIADB_OPTION_STR, "tls-cipher"},
{{MARIADB_OPT_TLS_PASSPHRASE}, MARIADB_OPTION_STR, "tls-passphrase"},
{{MYSQL_OPT_SSL_ENFORCE}, MARIADB_OPTION_BOOL, "tls-enforce"},
{{MYSQL_OPT_SSL_VERIFY_SERVER_CERT}, MARIADB_OPTION_BOOL,"tls-verify-peer"},
{{MARIADB_OPT_RESTRICTED_AUTH}, MARIADB_OPTION_STR, "restricted-auth"},
{{MYSQL_OPT_ZSTD_COMPRESSION_LEVEL}, MARIADB_OPTION_INT, "zstd-compression-level"},
{{0}, 0, NULL}
};
#ifdef DEFAULT_SSL_VERIFY_SERVER_CERT
#define FIX_SSL_VERIFY_SERVER_CERT(OPTS)\
(OPTS)->extension->tls_allow_invalid_server_cert= (getenv("MARIADB_TLS_DISABLE_PEER_VERIFICATION") != NULL)
#else
#define FIX_SSL_VERIFY_SERVER_CERT(OPTS) (OPTS)->extension->tls_allow_invalid_server_cert=1
#endif
#define CHECK_OPT_EXTENSION_SET(OPTS)\
if (!(OPTS)->extension) \
{ \
(OPTS)->extension= (struct st_mysql_options_extension *) \
calloc(1, sizeof(struct st_mysql_options_extension)); \
FIX_SSL_VERIFY_SERVER_CERT(OPTS); \
}
#define OPT_SET_EXTENDED_VALUE_BIN(OPTS, KEY, KEY_LEN, VAL, LEN)\
CHECK_OPT_EXTENSION_SET(OPTS) \
free((gptr)(OPTS)->extension->KEY); \
if((VAL) && (LEN)) { \
if (((OPTS)->extension->KEY= malloc((LEN)))) { \
memcpy((OPTS)->extension->KEY, (VAL), (LEN)); \
(OPTS)->extension->KEY_LEN= (LEN); \
} \
} \
else \
(OPTS)->extension->KEY= NULL
#define OPT_SET_EXTENDED_VALUE_STR(OPTS, KEY, VAL) \
CHECK_OPT_EXTENSION_SET(OPTS) \
free((gptr)(OPTS)->extension->KEY); \
if((VAL)) \
(OPTS)->extension->KEY= strdup((char *)(VAL)); \
else \
(OPTS)->extension->KEY= NULL
#define OPT_SET_EXTENDED_VALUE(OPTS, KEY, VAL) \
CHECK_OPT_EXTENSION_SET(OPTS) \
(OPTS)->extension->KEY= (VAL)
#define OPT_SET_EXTENDED_VALUE_INT(A,B,C) OPT_SET_EXTENDED_VALUE(A,B,C)
#define OPT_SET_VALUE_STR(OPTS, KEY, VAL) \
free((OPTS)->KEY); \
if((VAL)) \
(OPTS)->KEY= strdup((char *)(VAL)); \
else \
(OPTS)->KEY= NULL
#define OPT_SET_VALUE_INT(OPTS, KEY, VAL) \
(OPTS)->KEY= (VAL)
static void options_add_initcommand(struct st_mysql_options *options,
const char *init_cmd)
{
char *insert= strdup(init_cmd);
if (!options->init_command)
{
options->init_command= (DYNAMIC_ARRAY*)malloc(sizeof(DYNAMIC_ARRAY));
ma_init_dynamic_array(options->init_command, sizeof(char*), 5, 5);
}
if (ma_insert_dynamic(options->init_command, (gptr)&insert))
free(insert);
}
my_bool _mariadb_set_conf_option(MYSQL *mysql, const char *config_option, const char *config_value)
{
if (config_option)
{
int i;
char *c;
/* CONC-395: replace underscore "_" by dash "-" */
while ((c= strchr(config_option, '_')))
*c= '-';
for (i=0; mariadb_defaults[i].conf_key; i++)
{
if (!strcmp(mariadb_defaults[i].conf_key, config_option))
{
my_bool val_bool;
int val_int;
size_t val_sizet;
int rc;
void *option_val= NULL;
switch (mariadb_defaults[i].type) {
case MARIADB_OPTION_FUNC:
return mariadb_defaults[i].u.option_func(mysql, config_option, config_value, -1);
break;
case MARIADB_OPTION_BOOL:
val_bool= 0;
if (config_value)
val_bool= atoi(config_value);
option_val= &val_bool;
break;
case MARIADB_OPTION_INT:
val_int= 0;
if (config_value)
val_int= atoi(config_value);
option_val= &val_int;
break;
case MARIADB_OPTION_SIZET:
val_sizet= 0;
if (config_value)
val_sizet= strtol(config_value, NULL, 10);
option_val= &val_sizet;
break;
case MARIADB_OPTION_STR:
if (config_value && !config_value[0])
option_val= NULL;
else
option_val= (void*)config_value;
break;
case MARIADB_OPTION_NONE:
break;
}
rc= mysql_optionsv(mysql, mariadb_defaults[i].u.option, option_val);
return(test(rc));
}
}
}
/* unknown key */
return 1;
}
/**
* @brief: simple connection string parser
*
* key/value pairs (or key only) are separated by semicolons.
* If a semicolon is part of a value, it must be enclosed in
* curly braces.
*
* Unknown keys will be ignored.
*/
static int parse_connection_string(MYSQL *mysql, const char *unused __attribute__((unused)),
const char *conn_str, ssize_t len)
{
char *conn_save,
*end, *pos,
*key= NULL, *val= NULL;
my_bool in_curly_brace= 0;
if (len == -1)
len= strlen(conn_str);
/* don't modify original dsn */
conn_save= (char *)malloc(len + 1);
memcpy(conn_save, conn_str, len);
conn_save[len]= 0;
/* start and end */
pos= conn_save;
end= conn_save + len;
while (pos <= end)
{
/* ignore white space, unless it is between curly braces */
if (isspace(*pos) && !in_curly_brace)
{
pos++;
continue;
}
switch (*pos) {
case '{':
if (!key)
goto error;
if (!in_curly_brace)
{
in_curly_brace= 1;
if (pos < end)
{
pos++;
val= pos;
continue;
}
}
break;
case '}':
if (in_curly_brace)
{
if (!key)
goto error;
if (pos < end && *(pos + 1) == '}')
{
memmove(pos, pos + 1, end - pos - 1);
end--;
pos += 2;
continue;
}
in_curly_brace= 0;
*pos++= 0;
continue;
}
break;
case '=':
if (in_curly_brace)
{
pos++;
continue;
}
if (!key)
goto error;
*pos++= 0;
if (pos <= end)
val= pos;
continue;
break;
case ';':
if (in_curly_brace)
{
pos++;
continue;
}
if (!key)
goto error;
*pos++= 0;
if (key && strcasecmp(key, "connection") != 0)
_mariadb_set_conf_option(mysql, key, val);
key= val= NULL;
continue;
break;
}
if (!key && *pos)
key= pos;
pos++;
}
if (key && strcasecmp(key, "connection") != 0)
_mariadb_set_conf_option(mysql, key, val);
free(conn_save);
return 0;
error:
my_set_error(mysql, CR_CONNSTR_PARSE_ERROR, SQLSTATE_UNKNOWN, 0, pos - conn_save);
free(conn_save);
return 1;
}
static MARIADB_CONST_STRING null_const_string= {0,0};
/***************************************************************************
** Allocate a string copy on memroot
***************************************************************************/
MARIADB_CONST_STRING ma_const_string_copy_root(MA_MEM_ROOT *memroot,
const char *str,
size_t length)
{
MARIADB_CONST_STRING res;
if (!str || !(res.str= ma_memdup_root(memroot, str, length)))
return null_const_string;
res.length= length;
return res;
}
/***************************************************************************
** Allocate and initialize MA_FIELD_EXTENSION
***************************************************************************/