Mercurial > hg > nginx
view auto/install @ 4964:2464ccebdb52
Upstream: fixed SIGSEGV with the "if" directive.
Configuration like
location / {
set $true 1;
if ($true) {
proxy_pass http://backend;
}
if ($true) {
# nothing
}
}
resulted in segmentation fault due to NULL pointer dereference as the
upstream configuration wasn't initialized in an implicit location created
by the last if(), but the r->content_handler was set due to first if().
Instead of committing a suicide by dereferencing a NULL pointer, return
500 (Internal Server Error) in such cases, i.e. if uscf is NULL. Better
fix would be to avoid such cases by fixing the "if" directive handling,
but it's out of scope of this patch.
Prodded by Piotr Sikora.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 13 Dec 2012 16:05:59 +0000 |
parents | 95ce3172493e |
children | c983c8dea44c |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. if [ $USE_PERL = YES ]; then cat << END >> $NGX_MAKEFILE install_perl_modules: cd $NGX_OBJS/src/http/modules/perl && \$(MAKE) install END NGX_INSTALL_PERL_MODULES=install_perl_modules fi case ".$NGX_SBIN_PATH" in ./*) ;; .) NGX_SBIN_PATH=$NGX_PREFIX/sbin/nginx ;; *) NGX_SBIN_PATH=$NGX_PREFIX/$NGX_SBIN_PATH ;; esac case ".$NGX_CONF_PATH" in ./*) ;; *) NGX_CONF_PATH=$NGX_PREFIX/$NGX_CONF_PATH ;; esac NGX_CONF_PREFIX=`dirname $NGX_CONF_PATH` case ".$NGX_PID_PATH" in ./*) ;; *) NGX_PID_PATH=$NGX_PREFIX/$NGX_PID_PATH ;; esac case ".$NGX_ERROR_LOG_PATH" in ./* | .) ;; *) NGX_ERROR_LOG_PATH=$NGX_PREFIX/$NGX_ERROR_LOG_PATH ;; esac case ".$NGX_HTTP_LOG_PATH" in ./*) ;; *) NGX_HTTP_LOG_PATH=$NGX_PREFIX/$NGX_HTTP_LOG_PATH ;; esac if test -f man/nginx.8 ; then NGX_MAN=man/nginx.8 else NGX_MAN=docs/man/nginx.8 fi if test -d html ; then NGX_HTML=html else NGX_HTML=docs/html fi cat << END >> $NGX_MAKEFILE manpage: $NGX_OBJS/nginx.8 $NGX_OBJS/nginx.8: $NGX_MAN $NGX_AUTO_CONFIG_H sed -e "s|%%PREFIX%%|$NGX_PREFIX|" \\ -e "s|%%PID_PATH%%|$NGX_PID_PATH|" \\ -e "s|%%CONF_PATH%%|$NGX_CONF_PATH|" \\ -e "s|%%ERROR_LOG_PATH%%|${NGX_ERROR_LOG_PATH:-stderr}|" \\ < $NGX_MAN > \$@ install: $NGX_OBJS${ngx_dirsep}nginx${ngx_binext} \ $NGX_INSTALL_PERL_MODULES test -d '\$(DESTDIR)$NGX_PREFIX' || mkdir -p '\$(DESTDIR)$NGX_PREFIX' test -d '\$(DESTDIR)`dirname "$NGX_SBIN_PATH"`' \ || mkdir -p '\$(DESTDIR)`dirname "$NGX_SBIN_PATH"`' test ! -f '\$(DESTDIR)$NGX_SBIN_PATH' \ || mv '\$(DESTDIR)$NGX_SBIN_PATH' \ '\$(DESTDIR)$NGX_SBIN_PATH.old' cp $NGX_OBJS/nginx '\$(DESTDIR)$NGX_SBIN_PATH' test -d '\$(DESTDIR)$NGX_CONF_PREFIX' \ || mkdir -p '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/koi-win '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/koi-utf '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/win-utf '\$(DESTDIR)$NGX_CONF_PREFIX' test -f '\$(DESTDIR)$NGX_CONF_PREFIX/mime.types' \ || cp conf/mime.types '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/mime.types '\$(DESTDIR)$NGX_CONF_PREFIX/mime.types.default' test -f '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi_params' \ || cp conf/fastcgi_params '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/fastcgi_params \ '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi_params.default' test -f '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi.conf' \ || cp conf/fastcgi.conf '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/fastcgi.conf '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi.conf.default' test -f '\$(DESTDIR)$NGX_CONF_PREFIX/uwsgi_params' \ || cp conf/uwsgi_params '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/uwsgi_params \ '\$(DESTDIR)$NGX_CONF_PREFIX/uwsgi_params.default' test -f '\$(DESTDIR)$NGX_CONF_PREFIX/scgi_params' \ || cp conf/scgi_params '\$(DESTDIR)$NGX_CONF_PREFIX' cp conf/scgi_params \ '\$(DESTDIR)$NGX_CONF_PREFIX/scgi_params.default' test -f '\$(DESTDIR)$NGX_CONF_PATH' \ || cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PATH' cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PREFIX/nginx.conf.default' test -d '\$(DESTDIR)`dirname "$NGX_PID_PATH"`' \ || mkdir -p '\$(DESTDIR)`dirname "$NGX_PID_PATH"`' test -d '\$(DESTDIR)`dirname "$NGX_HTTP_LOG_PATH"`' || \ mkdir -p '\$(DESTDIR)`dirname "$NGX_HTTP_LOG_PATH"`' test -d '\$(DESTDIR)$NGX_PREFIX/html' \ || cp -R $NGX_HTML '\$(DESTDIR)$NGX_PREFIX' END if test -n "$NGX_ERROR_LOG_PATH"; then cat << END >> $NGX_MAKEFILE test -d '\$(DESTDIR)`dirname "$NGX_ERROR_LOG_PATH"`' || \ mkdir -p '\$(DESTDIR)`dirname "$NGX_ERROR_LOG_PATH"`' END fi # create Makefile cat << END >> Makefile build: \$(MAKE) -f $NGX_MAKEFILE \$(MAKE) -f $NGX_MAKEFILE manpage install: \$(MAKE) -f $NGX_MAKEFILE install upgrade: $NGX_SBIN_PATH -t kill -USR2 \`cat $NGX_PID_PATH\` sleep 1 test -f $NGX_PID_PATH.oldbin kill -QUIT \`cat $NGX_PID_PATH.oldbin\` END