diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | debian/dist/Debian/mariadb-server-5.5.files.in | 1 | ||||
| -rw-r--r-- | debian/dist/Ubuntu/mariadb-server-5.5.files.in | 1 | ||||
| -rw-r--r-- | extra/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | extra/mysqld_safe_helper.c | 77 | ||||
| -rw-r--r-- | scripts/mysqld_safe.sh | 107 | ||||
| -rw-r--r-- | support-files/mysql.server.sh | 8 |
7 files changed, 128 insertions, 70 deletions
diff --git a/.gitignore b/.gitignore index b780ca88de0..8b6e416ec45 100644 --- a/.gitignore +++ b/.gitignore @@ -49,6 +49,7 @@ extra/jemalloc/build/ extra/jemalloc/tmp/ extra/my_print_defaults extra/mysql_waitpid +extra/mysqld_safe_helper extra/perror extra/replace extra/resolve_stack_dump diff --git a/debian/dist/Debian/mariadb-server-5.5.files.in b/debian/dist/Debian/mariadb-server-5.5.files.in index c1ea58740e4..47a9887b075 100644 --- a/debian/dist/Debian/mariadb-server-5.5.files.in +++ b/debian/dist/Debian/mariadb-server-5.5.files.in @@ -32,6 +32,7 @@ usr/bin/mysql_zap usr/bin/mysqlbinlog usr/bin/mysqld_multi usr/bin/mysqld_safe +usr/bin/mysqld_safe_helper usr/bin/mysqlhotcopy usr/bin/perror usr/bin/replace diff --git a/debian/dist/Ubuntu/mariadb-server-5.5.files.in b/debian/dist/Ubuntu/mariadb-server-5.5.files.in index 7f75ccc2303..5182dd76346 100644 --- a/debian/dist/Ubuntu/mariadb-server-5.5.files.in +++ b/debian/dist/Ubuntu/mariadb-server-5.5.files.in @@ -34,6 +34,7 @@ usr/bin/mysql_zap usr/bin/mysqlbinlog usr/bin/mysqld_multi usr/bin/mysqld_safe +usr/bin/mysqld_safe_helper usr/bin/mysqlhotcopy usr/bin/perror usr/bin/replace diff --git a/extra/CMakeLists.txt b/extra/CMakeLists.txt index f8f71b00743..7f47f878110 100644 --- a/extra/CMakeLists.txt +++ b/extra/CMakeLists.txt @@ -82,4 +82,7 @@ IF(UNIX) MYSQL_ADD_EXECUTABLE(mysql_waitpid mysql_waitpid.c COMPONENT Client) TARGET_LINK_LIBRARIES(mysql_waitpid mysys) + + MYSQL_ADD_EXECUTABLE(mysqld_safe_helper mysqld_safe_helper.c COMPONENT Server) + TARGET_LINK_LIBRARIES(mysqld_safe_helper mysys) ENDIF() diff --git a/extra/mysqld_safe_helper.c b/extra/mysqld_safe_helper.c new file mode 100644 index 00000000000..09e507c6e1c --- /dev/null +++ b/extra/mysqld_safe_helper.c @@ -0,0 +1,77 @@ +#include <my_global.h> +#include <m_string.h> +#include <my_sys.h> +#include <my_pthread.h> +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#include <stdlib.h> +#include <stdio.h> + +void my_exit(int c) +{ + my_end(0); + exit(c); +} + +void do_usage() +{ + printf("Usage:\n" + " %s <user> log <filename>\n" + " %s <user> exec <command> <args>\n", + my_progname, my_progname); + my_exit(1); +} + +void do_log(const char *logfile) +{ + FILE *f; + uchar buf[4096]; + int size; + + if (!logfile) + do_usage(); + + f= my_fopen(logfile, O_WRONLY|O_APPEND|O_CREAT, MYF(MY_WME)); + if (!f) + my_exit(1); + + while ((size= my_fread(stdin, buf, sizeof(buf), MYF(MY_WME))) > 0) + if ((int)my_fwrite(f, buf, size, MYF(MY_WME)) != size) + my_exit(1); + + my_fclose(f, MYF(0)); + my_exit(0); +} + +void do_exec(char *args[]) +{ + if (!args[0]) + do_usage(); + + my_end(0); + execvp(args[0], args); +} + +int main(int argc, char *argv[]) +{ + struct passwd *user_info; + MY_INIT(argv[0]); + + if (argc < 3) + do_usage(argv[0]); + + user_info= my_check_user(argv[1], MYF(0)); + if (user_info ? my_set_user(argv[1], user_info, MYF(MY_WME)) + : my_errno == EINVAL) + my_exit(1); + + if (strcmp(argv[2], "log") == 0) + do_log(argv[3]); + + if (strcmp(argv[2], "exec") == 0) + do_exec(argv+3); + + my_end(0); + return 1; +} diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh index 7cadce725d1..059263fad51 100644 --- a/scripts/mysqld_safe.sh +++ b/scripts/mysqld_safe.sh @@ -20,6 +20,7 @@ mysqld_ld_preload= mysqld_ld_library_path= flush_caches=0 numa_interleave=0 +unsafe_my_cnf=0 # Initial logging status: error log is not open, and not using syslog logging=init @@ -128,6 +129,18 @@ my_which () return $ret # Success } +find_in_bin() { + if test -x "$MY_BASEDIR_VERSION/bin/$1" + then + echo "$MY_BASEDIR_VERSION/bin/$1" + elif test -x "@bindir@/$1" + then + echo "@bindir@/$1" + else + echo "$1" + fi +} + log_generic () { priority="$1" shift @@ -136,7 +149,7 @@ log_generic () { echo "$msg" case $logging in init) ;; # Just echo the message, don't save it anywhere - file) echo "$msg" >> "$err_log" ;; + file) echo "$msg" | "$helper" "$user" log "$err_log" ;; syslog) logger -t "$syslog_tag_mysqld_safe" -p "$priority" "$*" ;; *) echo "Internal program error (non-fatal):" \ @@ -156,7 +169,7 @@ log_notice () { eval_log_error () { cmd="$1" case $logging in - file) cmd="$cmd >> "`shell_quote_string "$err_log"`" 2>&1" ;; + file) cmd="$cmd 2>&1 | "`shell_quote_string "$helper"`" $user log "`shell_quote_string "$err_log"` ;; syslog) # mysqld often prefixes its messages with a timestamp, which is # redundant when logging to syslog (which adds its own timestamp) @@ -190,6 +203,13 @@ shell_quote_string() { echo "$1" | sed -e 's,\([^a-zA-Z0-9/_.=-]\),\\\1,g' } +check_executable_location() { + if test "$unsafe_my_cnf" = 1 -a "$unrecognized_handling" != collect; then + log_error "Cannot accept $1 from a config file, when my.cnf is in the datadir" + exit 1 + fi +} + parse_arguments() { for arg do # the parameter after "=", or the whole $arg if no match @@ -200,7 +220,6 @@ parse_arguments() { optname_subst=`echo "$optname" | sed 's/_/-/g'` arg=`echo $arg | sed "s/^$optname/$optname_subst/"` case "$arg" in - --crash-script=*) CRASH_SCRIPT="$val" ;; # these get passed explicitly to mysqld --basedir=*) MY_BASEDIR_VERSION="$val" ;; --datadir=*|--data=*) DATADIR="$val" ;; @@ -220,12 +239,14 @@ parse_arguments() { # mysqld_safe-specific options - must be set in my.cnf ([mysqld_safe])! --core-file-size=*) core_file_size="$val" ;; - --ledir=*) ledir="$val" ;; - --malloc-lib=*) set_malloc_lib "$val" ;; - --mysqld=*) MYSQLD="$val" ;; + --ledir=*) check_executable_location "$arg" ; ledir="$val" ;; + --malloc-lib=*) check_executable_location "$arg"; set_malloc_lib "$val" ;; + --crash-script=*) check_executable_location "$arg"; crash_script="$val" ;; + --mysqld=*) check_executable_location "$arg"; MYSQLD="$val" ;; --mysqld-version=*) if test -n "$val" then + check_executable_location "$arg" MYSQLD="mysqld-$val" PLUGIN_VARIANT="/$val" else @@ -385,15 +406,8 @@ set_malloc_lib() { # First, try to find BASEDIR and ledir (where mysqld is) # -if echo '@pkgdatadir@' | grep '^@prefix@' > /dev/null -then - relpkgdata=`echo '@pkgdatadir@' | sed -e 's,^@prefix@,,' -e 's,^/,,' -e 's,^,./,'` -else - # pkgdatadir is not relative to prefix - relpkgdata='@pkgdatadir@' -fi - -MY_PWD=`pwd` +MY_PWD=`dirname $0` +MY_PWD=`cd "$MY_PWD"/.. && pwd` # Check for the directories we would expect from a binary release install if test -n "$MY_BASEDIR_VERSION" -a -d "$MY_BASEDIR_VERSION" then @@ -409,16 +423,16 @@ then else ledir="$MY_BASEDIR_VERSION/bin" fi -elif test -f "$relpkgdata"/english/errmsg.sys -a -x "$MY_PWD/bin/mysqld" +elif test -x "$MY_PWD/bin/mysqld" then MY_BASEDIR_VERSION="$MY_PWD" # Where bin, share and data are ledir="$MY_PWD/bin" # Where mysqld is # Check for the directories we would expect from a source install -elif test -f "$relpkgdata"/english/errmsg.sys -a -x "$MY_PWD/libexec/mysqld" +elif test -x "$MY_PWD/libexec/mysqld" then MY_BASEDIR_VERSION="$MY_PWD" # Where libexec, share and var are ledir="$MY_PWD/libexec" # Where mysqld is -elif test -f "$relpkgdata"/english/errmsg.sys -a -x "$MY_PWD/sbin/mysqld" +elif test -x "$MY_PWD/sbin/mysqld" then MY_BASEDIR_VERSION="$MY_PWD" # Where sbin, share and var are ledir="$MY_PWD/sbin" # Where mysqld is @@ -428,6 +442,8 @@ else ledir='@libexecdir@' fi +helper=`find_in_bin mysqld_safe_helper` +print_defaults=`find_in_bin my_print_defaults` # # Second, try to find the data directory @@ -465,6 +481,7 @@ IGNORING $DATADIR/my.cnf" log_error "WARNING: Found $DATADIR/my.cnf The data directory is a deprecated location for my.cnf, please move it to $MY_BASEDIR_VERSION/my.cnf" + unsafe_my_cnf=1 MYSQL_HOME=$DATADIR else MYSQL_HOME=$MY_BASEDIR_VERSION @@ -472,34 +489,15 @@ $MY_BASEDIR_VERSION/my.cnf" fi export MYSQL_HOME - -# Get first arguments from the my.cnf file, groups [mysqld] and [mysqld_safe] -# and then merge with the command line arguments -if test -x "$MY_BASEDIR_VERSION/bin/my_print_defaults" -then - print_defaults="$MY_BASEDIR_VERSION/bin/my_print_defaults" -elif test -x `dirname $0`/my_print_defaults -then - print_defaults="`dirname $0`/my_print_defaults" -elif test -x ./bin/my_print_defaults -then - print_defaults="./bin/my_print_defaults" -elif test -x @bindir@/my_print_defaults -then - print_defaults="@bindir@/my_print_defaults" -elif test -x @bindir@/mysql_print_defaults -then - print_defaults="@bindir@/mysql_print_defaults" -else - print_defaults="my_print_defaults" -fi - append_arg_to_args () { args="$args "`shell_quote_string "$1"` } args= +# Get first arguments from the my.cnf file, groups [mysqld] and [mysqld_safe] +# and then merge with the command line arguments + SET_USER=2 parse_arguments `$print_defaults $defaults --loose-verbose --mysqld` if test $SET_USER -eq 2 @@ -603,11 +601,6 @@ then log_notice "Logging to '$err_log'." logging=file - if [ ! -f "$err_log" ]; then # if error log already exists, - touch "$err_log" # we just append. otherwise, - chmod "$fmode" "$err_log" # fix the permissions here! - fi - else if [ -n "$syslog_tag" ] then @@ -620,10 +613,6 @@ else logging=syslog fi -# close stdout and stderr, everything goes to $logging now -exec 1>&- -exec 2>&- - USER_OPTION="" if test -w / -o "$USER" = "root" then @@ -631,11 +620,6 @@ then then USER_OPTION="--user=$user" fi - # Change the err log to the right user, if it is in use - if [ $want_syslog -eq 0 ]; then - touch "$err_log" - chown $user "$err_log" - fi if test -n "$open_files" then ulimit -n $open_files @@ -879,6 +863,10 @@ max_fast_restarts=5 # flag whether a usable sleep command exists have_sleep=1 +# close stdout and stderr, everything goes to $logging now +exec 1>&- +exec 2>&- + while true do rm -f "$pid_file" # Some extra safety @@ -886,13 +874,6 @@ do start_time=`date +%M%S` eval_log_error "$cmd" - - if [ $want_syslog -eq 0 -a ! -f "$err_log" ]; then - touch "$err_log" # hypothetical: log was renamed but not - chown $user "$err_log" # flushed yet. we'd recreate it with - chmod "$fmode" "$err_log" # wrong owner next time we log, so set - fi # it up correctly while we can! - end_time=`date +%M%S` if test ! -f "$pid_file" # This is removed if normal shutdown @@ -956,9 +937,9 @@ do done fi log_notice "mysqld restarted" - if test -n "$CRASH_SCRIPT" + if test -n "$crash_script" then - crash_script_output=`$CRASH_SCRIPT 2>&1` + crash_script_output=`$crash_script 2>&1` log_error "$crash_script_output" fi done diff --git a/support-files/mysql.server.sh b/support-files/mysql.server.sh index d4fff33af13..a4034dec385 100644 --- a/support-files/mysql.server.sh +++ b/support-files/mysql.server.sh @@ -157,15 +157,9 @@ parse_server_arguments() { # Get arguments from the my.cnf file, # the only group, which is read from now on is [mysqld] -if test -x ./bin/my_print_defaults -then - print_defaults="./bin/my_print_defaults" -elif test -x $bindir/my_print_defaults +if test -x $bindir/my_print_defaults then print_defaults="$bindir/my_print_defaults" -elif test -x $bindir/mysql_print_defaults -then - print_defaults="$bindir/mysql_print_defaults" else # Try to find basedir in /etc/my.cnf conf=/etc/my.cnf |