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mysql-audit
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Support for 5.1.72, 5.5.34 and 5.6.14. Added new offsets for Security_context stuff. General fix for 5.6.12 view handling. Issue #62.

pull/86/head
Guy Lichtman 2013-10-11 16:55:33 +02:00
parent 5f6bff811e
commit 4b680c3f35
5 changed files with 192 additions and 50 deletions
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75
include/audit_handler.h
View File

@ -38,7 +38,6 @@ typedef size_t OFFSET;
//mysql max identifier is 64 so 2*64 + . and null //mysql max identifier is 64 so 2*64 + . and null
#define MAX_OBJECT_CHAR_NUMBERS 131 #define MAX_OBJECT_CHAR_NUMBERS 131
#define MAX_USER_CHAR_NUMBERS 20 #define MAX_USER_CHAR_NUMBERS 20
const char * retrieve_user (THD * thd);
#define MAX_NUM_OBJECT_ELEM 256 #define MAX_NUM_OBJECT_ELEM 256
#define MAX_NUM_USER_ELEM 256 #define MAX_NUM_USER_ELEM 256
@ -55,6 +54,10 @@ typedef struct ThdOffsets
OFFSET command; OFFSET command;
OFFSET lex; OFFSET lex;
OFFSET lex_comment; OFFSET lex_comment;
OFFSET sec_ctx_user;
OFFSET sec_ctx_host;
OFFSET sec_ctx_ip;
OFFSET sec_ctx_priv_user;
} ThdOffsets; } ThdOffsets;
/* /*
@ -145,7 +148,7 @@ public:
*/ */
virtual ssize_t stop_msg_format(IWriter * writer) { return 0; } virtual ssize_t stop_msg_format(IWriter * writer) { return 0; }
static const char * retrive_object_type (TABLE_LIST *pObj); static const char * retrieve_object_type (TABLE_LIST *pObj);
static QueryTableInf* getQueryCacheTableList1 (THD *thd); static QueryTableInf* getQueryCacheTableList1 (THD *thd);
//utility functions for fetching thd stuff //utility functions for fetching thd stuff
static inline my_thread_id thd_inst_thread_id(THD * thd) static inline my_thread_id thd_inst_thread_id(THD * thd)
@ -163,6 +166,58 @@ public:
return (Security_context *) (((unsigned char *) thd) return (Security_context *) (((unsigned char *) thd)
+ Audit_formatter::thd_offsets.main_security_ctx); + Audit_formatter::thd_offsets.main_security_ctx);
} }
static inline const char * thd_inst_main_security_ctx_user(THD * thd)
{
Security_context * sctx = thd_inst_main_security_ctx(thd);
if(!Audit_formatter::thd_offsets.sec_ctx_user) //no offsets use compiled in header
{
return sctx->user;
}
return *(const char **) (((unsigned char *) sctx)
+ Audit_formatter::thd_offsets.sec_ctx_user);
}
static inline const char * thd_inst_main_security_ctx_host(THD * thd)
{
Security_context * sctx = thd_inst_main_security_ctx(thd);
if(!Audit_formatter::thd_offsets.sec_ctx_ip) //check ip to understand if set as host is first and may actually be set to 0
{
return sctx->host;
}
return *(const char **) (((unsigned char *) sctx)
+ Audit_formatter::thd_offsets.sec_ctx_host);
}
static inline const char * thd_inst_main_security_ctx_ip(THD * thd)
{
Security_context * sctx = thd_inst_main_security_ctx(thd);
if(!Audit_formatter::thd_offsets.sec_ctx_ip) //no offsets use compiled in header
{
return sctx->ip;
}
return *(const char **) (((unsigned char *) sctx)
+ Audit_formatter::thd_offsets.sec_ctx_ip);
}
static inline const char * thd_inst_main_security_ctx_priv_user(THD * thd)
{
Security_context * sctx = thd_inst_main_security_ctx(thd);
if(!Audit_formatter::thd_offsets.sec_ctx_priv_user) //no offsets use compiled in header
{
return sctx->priv_user;
}
#if MYSQL_VERSION_ID < 50505
//in 5.1.x priv_user is a pointer
return *(const char **) (((unsigned char *) sctx)
+ Audit_formatter::thd_offsets.sec_ctx_priv_user);
#else
//in 5.5 and up priv_user is an array (char priv_user[USERNAME_LENGTH])
return (const char *) (((unsigned char *) sctx)
+ Audit_formatter::thd_offsets.sec_ctx_priv_user);
#endif
}
static inline int thd_inst_command(THD * thd) static inline int thd_inst_command(THD * thd)
{ {
return *(int *) (((unsigned char *) thd) + Audit_formatter::thd_offsets.command); return *(int *) (((unsigned char *) thd) + Audit_formatter::thd_offsets.command);
@ -172,6 +227,22 @@ public:
{ {
return *(LEX**) (((unsigned char *) thd) + Audit_formatter::thd_offsets.lex); return *(LEX**) (((unsigned char *) thd) + Audit_formatter::thd_offsets.lex);
} }
//we don't use get_db_name() as when we call it view may be not null and it may return an invalid value for view_db
static inline const char * table_get_db_name(TABLE_LIST * table)
{
return table->db;
}
static inline const char * table_get_name(TABLE_LIST * table)
{
return table->table_name;
}
static inline bool table_is_view(TABLE_LIST * table)
{
return table->view_tables != 0;
}
}; };

2
offset-extract/offset-extract.sh
View File

@ -31,7 +31,7 @@ if [ $? = 0 ]; then
fi fi
echo "set logging on" > offsets.gdb echo "set logging on" > offsets.gdb
echo 'printf "{\"'$MYVER'\",\"'$MYMD5'\", %d, %d, %d, %d, %d, %d}", ((size_t)&((THD *)log_slow_statement)->query_id) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->thread_id) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->main_security_ctx) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$COMMAND_MEMBER') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->lex) - (size_t)log_slow_statement, (size_t)&((LEX*)log_slow_statement)->comment - (size_t) log_slow_statement' >> offsets.gdb echo 'printf "{\"'$MYVER'\",\"'$MYMD5'\", %d, %d, %d, %d, %d, %d, %d, %d, %d, %d}", ((size_t)&((THD *)log_slow_statement)->query_id) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->thread_id) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->main_security_ctx) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$COMMAND_MEMBER') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->lex) - (size_t)log_slow_statement, (size_t)&((LEX*)log_slow_statement)->comment - (size_t) log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->user) - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->host) - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->ip) - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->priv_user) - (size_t)log_slow_statement' >> offsets.gdb
SYMPARAM="" SYMPARAM=""
if [ -n "$2" ]; then if [ -n "$2" ]; then

41
src/audit_handler.cc
View File

@ -47,9 +47,9 @@ const char * Audit_json_formatter::DEF_MSG_DELIMITER = "\\n";
#define C_STRING_WITH_LEN(X) ((char *) (X)), ((size_t) (sizeof(X) - 1)) #define C_STRING_WITH_LEN(X) ((char *) (X)), ((size_t) (sizeof(X) - 1))
const char * Audit_formatter::retrive_object_type (TABLE_LIST *pObj) const char * Audit_formatter::retrieve_object_type (TABLE_LIST *pObj)
{ {
if (pObj->view) if (table_is_view(pObj))
{ {
return "VIEW"; return "VIEW";
} }
@ -327,6 +327,23 @@ static inline void yajl_add_obj( yajl_gen gen, const char *db,const char* ptype
yajl_add_string_val(gen, "obj_type",ptype); yajl_add_string_val(gen, "obj_type",ptype);
} }
static inline const char * retrieve_user (THD * thd)
{
const char * user = Audit_formatter::thd_inst_main_security_ctx_user(thd);
if(user != NULL && *user != 0x0) //non empty
{
return user;
}
user = Audit_formatter::thd_inst_main_security_ctx_priv_user(thd); //try using priv user
if(user != NULL && *user != 0x0) //non empty
{
return user;
}
return ""; //always use at least the empty string
}
//will return a pointer to the query and set len with the length of the query //will return a pointer to the query and set len with the length of the query
//starting with MySQL version 5.1.41 thd_query_string is added //starting with MySQL version 5.1.41 thd_query_string is added
#if MYSQL_VERSION_ID > 50140 #if MYSQL_VERSION_ID > 50140
@ -375,9 +392,9 @@ static const char * thd_query_str(THD * thd, size_t * len)
ssize_t Audit_json_formatter::event_format(ThdSesData* pThdData, IWriter * writer) ssize_t Audit_json_formatter::event_format(ThdSesData* pThdData, IWriter * writer)
{ {
unsigned long thdid = thd_get_thread_id(pThdData->getTHD()); THD * thd = pThdData->getTHD();
query_id_t qid = thd_inst_query_id(pThdData->getTHD()); unsigned long thdid = thd_get_thread_id(thd);
Security_context * sctx = thd_inst_main_security_ctx(pThdData->getTHD()); query_id_t qid = thd_inst_query_id(thd);
//initialize yajl //initialize yajl
yajl_gen gen = yajl_gen_alloc(&config, NULL); yajl_gen gen = yajl_gen_alloc(&config, NULL);
@ -390,10 +407,10 @@ ssize_t Audit_json_formatter::event_format(ThdSesData* pThdData, IWriter * write
yajl_add_uint64(gen, "date", ts); yajl_add_uint64(gen, "date", ts);
yajl_add_uint64(gen, "thread-id", thdid); yajl_add_uint64(gen, "thread-id", thdid);
yajl_add_uint64(gen, "query-id", qid); yajl_add_uint64(gen, "query-id", qid);
yajl_add_string_val(gen, "user", sctx->user); yajl_add_string_val(gen, "user", pThdData->getUserName());
yajl_add_string_val(gen, "priv_user", sctx->priv_user); yajl_add_string_val(gen, "priv_user", Audit_formatter::thd_inst_main_security_ctx_priv_user(thd));
yajl_add_string_val(gen, "host", sctx->host); yajl_add_string_val(gen, "host", Audit_formatter::thd_inst_main_security_ctx_host(thd));
yajl_add_string_val(gen, "ip", sctx->ip); yajl_add_string_val(gen, "ip", Audit_formatter::thd_inst_main_security_ctx_ip(thd));
const char *cmd = pThdData->getCmdName(); const char *cmd = pThdData->getCmdName();
yajl_add_string_val(gen, "cmd", cmd); yajl_add_string_val(gen, "cmd", cmd);
//get objects //get objects
@ -554,14 +571,14 @@ bool ThdSesData::getNextObject(const char ** db_name, const char ** obj_name, co
{ {
if(m_tables) if(m_tables)
{ {
*db_name = m_tables->get_db_name(); *db_name = Audit_formatter::table_get_db_name(m_tables);
*obj_name = m_tables->get_table_name(); *obj_name = Audit_formatter::table_get_name(m_tables);
if(obj_type) if(obj_type)
{ {
//object is a view if it view command (alter_view, drop_view ..) //object is a view if it view command (alter_view, drop_view ..)
//and first object or view field is populated //and first object or view field is populated
if((m_firstTable && strstr(getCmdName(), "_view") != NULL) || if((m_firstTable && strstr(getCmdName(), "_view") != NULL) ||
m_tables->view) Audit_formatter::table_is_view(m_tables))
{ {
*obj_type = "VIEW"; *obj_type = "VIEW";
m_firstTable = false; m_firstTable = false;

111
src/audit_plugin.cc
View File

@ -346,8 +346,28 @@ static const ThdOffsets thd_offsets_arr[] =
{"5.5.32","97829c2915124a7cfa605d3f39bea354", 6064, 6112, 3816, 4240, 88, 2592}, {"5.5.32","97829c2915124a7cfa605d3f39bea354", 6064, 6112, 3816, 4240, 88, 2592},
//offsets for: /mysql/5.6.12/bin/mysqld (5.6.12) //offsets for: /mysql/5.6.12/bin/mysqld (5.6.12)
{"5.6.12","3a6bb81a7f1239eb810a06a3b0c5dc2a", 7816, 7864, 3960, 4400, 72, 2688}, {"5.6.12","3a6bb81a7f1239eb810a06a3b0c5dc2a", 7816, 7864, 3960, 4400, 72, 2688},
//offsets for: /mysql/5.6.13/bin/mysqld (5.6.13) //offsets for: /mysqlrpm/5.1.71/usr/sbin/mysqld (5.1.71-community)
{"5.6.13","137c18e72cfe17d4fcacda209e405234", 7816, 7864, 3960, 4400, 72, 2688} {"5.1.71-community","c8453ca637925c878356ca43eef8f654", 6376, 6440, 3736, 4008, 88, 2072},
//offsets for: /mysqlrpm/5.5.33/usr/sbin/mysqld (5.5.33)
{"5.5.33","88b02a9e61f5faedcf2d64a9b0239f38", 6064, 6112, 3816, 4240, 88, 2592},
//offsets for: /mysqlrpm/5.6.13/usr/sbin/mysqld (5.6.13)
{"5.6.13","441bbd39cf3df4847289f4cd4b2b3dc3", 7816, 7864, 3960, 4400, 72, 2688},
//offsets for: /mysql/5.1.71/bin/mysqld (5.1.71)
{"5.1.71","f648e9c956c85fbb1fbe8250df518755", 6392, 6456, 3752, 4024, 88, 2072},
//offsets for: /mysql/5.5.33/bin/mysqld (5.5.33)
{"5.5.33","59bf9fe80d6005e38238bc083b5aef51", 6064, 6112, 3816, 4240, 88, 2592},
//offsets for: /mysql/5.6.13/bin/mysqld (5.6.13)
{"5.6.13","137c18e72cfe17d4fcacda209e405234", 7816, 7864, 3960, 4400, 72, 2688},
//offsets for: /mysql-5.5.34-linux2.6-x86_64/bin/mysqld (5.5.34)
{"5.5.34","94d083ef0a7f964dedb94684eb06c7e7", 6136, 6184, 3816, 4312, 88, 2592, 96, 0, 32, 104},
//offsets for: /mysqlrpm/5.5.34/usr/sbin/mysqld (5.5.34)
{"5.5.34","b146111cae431cbb3d20322cc0a8e3be", 6136, 6184, 3816, 4312, 88, 2592, 96, 0, 32, 104},
//offsets for: /mysqlrpm/5.6.14/usr/sbin/mysqld (5.6.14)
{"5.6.14","42907ed406036f7d651a73547a611be0", 7888, 7936, 3960, 4472, 72, 2696, 96, 0, 32, 104},
//offsets for: /mysqlrpm/5.1.72/usr/sbin/mysqld (5.1.72-community)
{"5.1.72-community","c53f0d8b4d400755e8c476cd512dcea3", 6384, 6448, 3736, 4008, 88, 2072, 8, 0, 24, 16},
//offsets for: /mysql/5.1.72/bin/mysqld (5.1.72)
{"5.1.72","f560445d3c5f98a88d50878b2cd661c0", 6400, 6464, 3752, 4024, 88, 2072, 8, 0, 24, 16}
}; };
@ -639,7 +659,28 @@ static const ThdOffsets thd_offsets_arr[] =
//offsets for: /mysql/5.5.32/bin/mysqld (5.5.32) //offsets for: /mysql/5.5.32/bin/mysqld (5.5.32)
{"5.5.32","85199d7a643bf0c336385f613b007018", 3816, 3844, 2368, 2700, 44, 1656}, {"5.5.32","85199d7a643bf0c336385f613b007018", 3816, 3844, 2368, 2700, 44, 1656},
//offsets for: /mysql/5.6.12/bin/mysqld (5.6.12) //offsets for: /mysql/5.6.12/bin/mysqld (5.6.12)
{"5.6.12","469ed6bc745eea0d47a69ecf7b3e0d56", 5580, 5608, 2640, 2980, 36, 1732} {"5.6.12","469ed6bc745eea0d47a69ecf7b3e0d56", 5580, 5608, 2640, 2980, 36, 1732},
//offsets for: /mysqlrpm/5.1.71/usr/sbin/mysqld (5.1.71-community)
{"5.1.71-community","2039eb1fb90b85d3744e3628b3ab35fa", 4124, 4164, 2268, 2448, 44, 1188},
//offsets for: /mysqlrpm/5.5.33/usr/sbin/mysqld (5.5.33)
{"5.5.33","403fe8f9ecd935890f7ebc73297a08bb", 3816, 3844, 2368, 2700, 44, 1656},
//offsets for: /mysqlrpm/5.6.13/usr/sbin/mysqld (5.6.13)
{"5.6.13","8ac0185b8f8a2a066ed0f5cd45597d6b", 5580, 5608, 2640, 2980, 36, 1732},
//offsets for: /mysql/5.1.71/bin/mysqld (5.1.71)
{"5.1.71","5e9120167eae0138de4e6f307f337383", 4140, 4180, 2284, 2464, 44, 1188},
//offsets for: /mysql/5.5.33/bin/mysqld (5.5.33)
{"5.5.33","3172729c5bf6e81c8d87fe26fe248204", 3816, 3844, 2368, 2700, 44, 1656},
//offsets for: /mysql/5.6.13/bin/mysqld (5.6.13)
{"5.6.13","f25a8fabbb1d205f0f2d772d7f41b9da", 5580, 5608, 2640, 2980, 36, 1732},
//offsets for: /mysqlrpm/5.5.34/usr/sbin/mysqld (5.5.34)
{"5.5.34","fc8bc7c4edd6c115be5f941ca4618f63", 3868, 3896, 2368, 2748, 44, 1656, 60, 0, 20, 64},
//offsets for: /mysqlrpm/5.6.14/usr/sbin/mysqld (5.6.14)
{"5.6.14","d7444b6db9d1a5aceb2162e77de762dc", 5632, 5660, 2640, 3028, 36, 1744, 60, 0, 20, 64},
//offsets for: /mysqlrpm/5.1.72/usr/sbin/mysqld (5.1.72-community)
{"5.1.72-community","3f7221660b8c9e953f327da95d250597", 4128, 4168, 2268, 2448, 44, 1188, 4, 0, 12, 8},
//offsets for: /mysql/5.1.72/bin/mysqld (5.1.72)
{"5.1.72","199d47e26e5a4cc29399724f47c30aca", 4144, 4184, 2284, 2464, 44, 1188, 4, 0, 12, 8}
}; };
@ -880,11 +921,11 @@ static bool audit_check_table_access(THD *thd, ulong want_access,TABLE_LIST *tab
{ {
if (pQueryTableInf->num_of_elem < MAX_NUM_QUERY_TABLE_ELEM && pQueryTableInf->num_of_elem>=0) if (pQueryTableInf->num_of_elem < MAX_NUM_QUERY_TABLE_ELEM && pQueryTableInf->num_of_elem>=0)
{ {
pQueryTableInf->db[pQueryTableInf->num_of_elem] = (char*) thd_alloc (thd, strlen (pTables->get_db_name())+1); pQueryTableInf->db[pQueryTableInf->num_of_elem] = (char*) thd_alloc (thd, strlen(Audit_formatter::table_get_db_name(pTables))+1);
strcpy (pQueryTableInf->db[pQueryTableInf->num_of_elem],pTables->get_db_name()); strcpy (pQueryTableInf->db[pQueryTableInf->num_of_elem],Audit_formatter::table_get_db_name(pTables));
pQueryTableInf->table_name[pQueryTableInf->num_of_elem] = (char*) thd_alloc (thd, strlen (pTables->get_table_name()) +1); pQueryTableInf->table_name[pQueryTableInf->num_of_elem] = (char*) thd_alloc (thd, strlen(Audit_formatter::table_get_name(pTables)) +1);
strcpy (pQueryTableInf->table_name[pQueryTableInf->num_of_elem],pTables->get_table_name()); strcpy (pQueryTableInf->table_name[pQueryTableInf->num_of_elem],Audit_formatter::table_get_name(pTables));
pQueryTableInf->object_type[pQueryTableInf->num_of_elem] = Audit_formatter::retrive_object_type ( pTables); pQueryTableInf->object_type[pQueryTableInf->num_of_elem] = Audit_formatter::retrieve_object_type ( pTables);
pQueryTableInf->num_of_elem ++; pQueryTableInf->num_of_elem ++;
} }
pTables = pTables->next_global; pTables = pTables->next_global;
@ -1272,14 +1313,21 @@ static bool validate_offsets(const ThdOffsets * offset)
return false; return false;
} }
//extended validation via security_context method //extended validation via security_context method
//can be disabled via: validate_offests_extended //can be disabled via: audit_validate_offsets_extended=OFF
if(validate_offsets_extended_enable) if(validate_offsets_extended_enable)
{ {
const query_id_t query_id_test_val = 789; const query_id_t query_id_test_val = 789;
(*(query_id_t *) (((char *) thd)+ offset->query_id)) = query_id_test_val; (*(query_id_t *) (((char *) thd)+ offset->query_id)) = query_id_test_val;
Security_context * sctx = (Security_context *) (((unsigned char *) thd) + offset->main_security_ctx); Security_context * sctx = (Security_context *) (((unsigned char *) thd) + offset->main_security_ctx);
char user_test_val[] = "aud_tusr"; char user_test_val[] = "aud_tusr";
sctx->user = user_test_val; if(!offset->sec_ctx_user) //use compiled header
{
sctx->user = user_test_val;
}
else
{
(*(const char **) (((unsigned char *) sctx) + offset->sec_ctx_user)) = user_test_val;
}
char buffer[2048] = {0}; char buffer[2048] = {0};
thd_security_context(thd, buffer, 2048, 1000); thd_security_context(thd, buffer, 2048, 1000);
//verfiy our buffer contains query id //verfiy our buffer contains query id
@ -1398,13 +1446,17 @@ static int setup_offsets()
} }
if (parse_thd_offsets_string (offsets_string)) if (parse_thd_offsets_string (offsets_string))
{ {
sql_print_information ("%s setup_offsets Audit_formatter::thd_offsets values: %zu %zu %zu %zu %zu %zu ", log_prefix, sql_print_information ("%s setup_offsets Audit_formatter::thd_offsets values: %zu %zu %zu %zu %zu %zu %zu %zu %zu %zu", log_prefix,
Audit_formatter::thd_offsets.query_id, Audit_formatter::thd_offsets.query_id,
Audit_formatter::thd_offsets.thread_id, Audit_formatter::thd_offsets.thread_id,
Audit_formatter::thd_offsets.main_security_ctx, Audit_formatter::thd_offsets.main_security_ctx,
Audit_formatter::thd_offsets.command, Audit_formatter::thd_offsets.command,
Audit_formatter::thd_offsets.lex, Audit_formatter::thd_offsets.lex,
Audit_formatter::thd_offsets.lex_comment); Audit_formatter::thd_offsets.lex_comment,
Audit_formatter::thd_offsets.sec_ctx_user,
Audit_formatter::thd_offsets.sec_ctx_host,
Audit_formatter::thd_offsets.sec_ctx_ip,
Audit_formatter::thd_offsets.sec_ctx_priv_user);
if (!validate_offsets(&Audit_formatter::thd_offsets)) if (!validate_offsets(&Audit_formatter::thd_offsets))
{ {
@ -1480,14 +1532,18 @@ static int setup_offsets()
if (validate_offsets(&decoffsets)) if (validate_offsets(&decoffsets))
{ {
Audit_formatter::thd_offsets = decoffsets; Audit_formatter::thd_offsets = decoffsets;
sql_print_information("%s Using decrement (%zu) offsets from offset version: %s (%s) values: %zu %zu %zu %zu %zu %zu", sql_print_information("%s Using decrement (%zu) offsets from offset version: %s (%s) values: %zu %zu %zu %zu %zu %zu %zu %zu %zu %zu",
log_prefix, dec, offset->version, offset->md5digest, log_prefix, dec, offset->version, offset->md5digest,
Audit_formatter::thd_offsets.query_id, Audit_formatter::thd_offsets.query_id,
Audit_formatter::thd_offsets.thread_id, Audit_formatter::thd_offsets.thread_id,
Audit_formatter::thd_offsets.main_security_ctx, Audit_formatter::thd_offsets.main_security_ctx,
Audit_formatter::thd_offsets.command, Audit_formatter::thd_offsets.command,
Audit_formatter::thd_offsets.lex, Audit_formatter::thd_offsets.lex,
Audit_formatter::thd_offsets.lex_comment); Audit_formatter::thd_offsets.lex_comment,
Audit_formatter::thd_offsets.sec_ctx_user,
Audit_formatter::thd_offsets.sec_ctx_host,
Audit_formatter::thd_offsets.sec_ctx_ip,
Audit_formatter::thd_offsets.sec_ctx_priv_user);
DBUG_RETURN(0); DBUG_RETURN(0);
} }
@ -1504,14 +1560,18 @@ static int setup_offsets()
if (validate_offsets(&incoffsets)) if (validate_offsets(&incoffsets))
{ {
Audit_formatter::thd_offsets = incoffsets; Audit_formatter::thd_offsets = incoffsets;
sql_print_information("%s Using increment (%zu) offsets from offset version: %s (%s) values: %zu %zu %zu %zu %zu %zu", sql_print_information("%s Using increment (%zu) offsets from offset version: %s (%s) values: %zu %zu %zu %zu %zu %zu %zu %zu %zu %zu",
log_prefix, inc, offset->version, offset->md5digest, log_prefix, inc, offset->version, offset->md5digest,
Audit_formatter::thd_offsets.query_id, Audit_formatter::thd_offsets.query_id,
Audit_formatter::thd_offsets.thread_id, Audit_formatter::thd_offsets.thread_id,
Audit_formatter::thd_offsets.main_security_ctx, Audit_formatter::thd_offsets.main_security_ctx,
Audit_formatter::thd_offsets.command, Audit_formatter::thd_offsets.command,
Audit_formatter::thd_offsets.lex, Audit_formatter::thd_offsets.lex,
Audit_formatter::thd_offsets.lex_comment); Audit_formatter::thd_offsets.lex_comment,
Audit_formatter::thd_offsets.sec_ctx_user,
Audit_formatter::thd_offsets.sec_ctx_host,
Audit_formatter::thd_offsets.sec_ctx_ip,
Audit_formatter::thd_offsets.sec_ctx_priv_user);
DBUG_RETURN(0); DBUG_RETURN(0);
} }
} }
@ -1549,28 +1609,15 @@ const char * retrieve_command (THD * thd, bool & is_sql_cmd)
{ {
cmd = command_name[command].str; cmd = command_name[command].str;
} }
Security_context * sctx = Audit_formatter::thd_inst_main_security_ctx(thd); const char * user = Audit_formatter::thd_inst_main_security_ctx_user(thd);
if (strcmp (cmd, "Connect") ==0 && ((sctx->user && strcmp(sctx->user, "event_scheduler") != 0) && (sctx->priv_user == NULL || *sctx->priv_user == 0x0))) const char * priv_user = Audit_formatter::thd_inst_main_security_ctx_priv_user(thd);
if (strcmp (cmd, "Connect") ==0 && ((user && strcmp(user, "event_scheduler") != 0) && (priv_user == NULL || *priv_user == 0x0)))
{ {
cmd = "Failed Login"; cmd = "Failed Login";
} }
return cmd; return cmd;
} }
const char * retrieve_user (THD * thd)
{
const char *user = NULL;
Security_context * sctx = Audit_formatter::thd_inst_main_security_ctx(thd);
if (sctx->priv_user != NULL && *sctx->priv_user != 0x0)
{
user = sctx->priv_user;
}
return user;
}
static int set_com_status_vars_array () static int set_com_status_vars_array ()
{ {
DBUG_ENTER("set_com_status_vars_array"); DBUG_ENTER("set_com_status_vars_array");

13
src/hot_patch.cc
View File

@ -1,5 +1,6 @@
#include "hot_patch.h" #include "hot_patch.h"
#include "udis86.h" #include "udis86.h"
#include <ctype.h>
#define UINT unsigned int #define UINT unsigned int
#define DWORD uint32_t #define DWORD uint32_t
@ -65,11 +66,17 @@ static int unprotect(void *addr, size_t len)
log_prefix, (void *)addr, len, errno); log_prefix, (void *)addr, len, errno);
return res; return res;
} }
char line[1024] = {0}; char buff[1024] = {0};
const char * flags = "flags"; const char * flags = "flags";
bool nxchecked = false; bool nxchecked = false;
while(fgets(line, 1024, fp) != NULL) while(fgets(buff, 1024, fp) != NULL)
{ {
char * line = buff;
//trim white space at start
while ((strlen(line) > 0) && (isspace(line[0])))
{
line++;
}
if(strncmp(line, flags, strlen(flags)) == 0) if(strncmp(line, flags, strlen(flags)) == 0)
{ {
nxchecked = true; nxchecked = true;