diff options
Diffstat (limited to 'sql/log_event.cc')
| -rw-r--r-- | sql/log_event.cc | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/sql/log_event.cc b/sql/log_event.cc index 5ff4b50c6df..c5bbe324ae8 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -2307,6 +2307,53 @@ bool Query_log_event::write(IO_CACHE* file) start+= 4; } + if (thd && thd->is_current_user_used()) + { + LEX_STRING user; + LEX_STRING host; + bzero(&user, sizeof(user)); + bzero(&host, sizeof(host)); + + if (thd->slave_thread) + { + /* user will be null, if master is older than this patch */ + user= thd->variables.current_user.user; + host= thd->variables.current_user.host; + } + else if (thd->security_ctx->priv_user) + { + Security_context *ctx= thd->security_ctx; + + user.length= strlen(ctx->priv_user); + user.str= ctx->priv_user; + if (ctx->priv_host[0] != '\0') + { + host.str= ctx->priv_host; + host.length= strlen(ctx->priv_host); + } + } + + if (user.length > 0) + { + *start++= Q_INVOKER; + + /* + Store user length and user. The max length of use is 16, so 1 byte is + enough to store the user's length. + */ + *start++= (uchar)user.length; + memcpy(start, user.str, user.length); + start+= user.length; + + /* + Store host length and host. The max length of host is 60, so 1 byte is + enough to store the host's length. + */ + *start++= (uchar)host.length; + memcpy(start, host.str, host.length); + start+= host.length; + } + } /* NOTE: When adding new status vars, please don't forget to update the MAX_SIZE_LOG_EVENT_STATUS in log_event.h and update the function @@ -2575,6 +2622,8 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, bool catalog_nz= 1; DBUG_ENTER("Query_log_event::Query_log_event(char*,...)"); + bzero(&user, sizeof(user)); + bzero(&host, sizeof(host)); common_header_len= description_event->common_header_len; post_header_len= description_event->post_header_len[event_type-1]; DBUG_PRINT("info",("event_len: %u common_header_len: %d post_header_len: %d", @@ -2729,6 +2778,20 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, data_written= master_data_written= uint4korr(pos); pos+= 4; break; + case Q_INVOKER: + { + CHECK_SPACE(pos, end, 1); + user.length= *pos++; + CHECK_SPACE(pos, end, user.length); + user.str= my_strndup((const char *)pos, user.length, MYF(0)); + pos+= user.length; + + CHECK_SPACE(pos, end, 1); + host.length= *pos++; + CHECK_SPACE(pos, end, host.length); + host.str= my_strndup((const char *)pos, host.length, MYF(0)); + pos+= host.length; + } default: /* That's why you must write status vars in growing order of code */ DBUG_PRINT("info",("Query_log_event has unknown status vars (first has\ @@ -3178,7 +3241,9 @@ int Query_log_event::do_apply_event(Relay_log_info const *rli, thd->variables.collation_database= thd->db_charset; thd->table_map_for_update= (table_map)table_map_for_update; - + thd->variables.current_user.user= user; + thd->variables.current_user.host= host; + thd->variables.current_user.password= {0, 0}; /* Execute the query (note that we bypass dispatch_command()) */ const char* found_semicolon= NULL; mysql_parse(thd, thd->query(), thd->query_length(), &found_semicolon); |