Opened 22 months ago
Last modified 22 months ago
#2453 closed defect
Variables in different contexts are mixed together — at Version 1
| Reported by: | Owned by: | ||
|---|---|---|---|
| Priority: | minor | Milestone: | |
| Component: | nginx-core | Version: | 1.23.x |
| Keywords: | Cc: | ||
| uname -a: | Linux 0b8f251ef7a8 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 GNU/Linux | ||
| nginx -V: |
nginx version: nginx/1.23.3
built by gcc 10.2.1 20210110 (Debian 10.2.1-6) built with OpenSSL 1.1.1n 15 Mar 2022 TLS SNI support enabled configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --with-cc-opt='-g -O2 -ffile-prefix-map=/data/builder/debuild/nginx-1.23.3/debian/debuild-base/nginx-1.23.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fPIC' --with-ld-opt='-Wl,-z,relro -Wl,-z,now -Wl,--as-needed -pie' |
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Description (last modified by )
Variables in different contexts are mixed together for the syntax-check.
Reproduceable with the nginx-Docker image:
docker run -it --rm nginx:latest /bin/bash
- Incorrect config with missing variable
# cat <<EOT > /etc/nginx/conf.d/server1.conf server { listen 80; server_name server1; rewrite /helloworld https://www.example.com/\$target; } EOT # nginx -t nginx: [emerg] unknown "target" variable nginx: configuration file /etc/nginx/nginx.conf test failed
Expected error-message because variable target is not set.
- Correct config with same variable set
# cat <<EOT > /etc/nginx/conf.d/server2.conf server { listen 80; server_name server2; set \$target bar; rewrite /foo https://www.example.com/\$target; } EOT # nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful
Unexpectedly no error-message for server1.conf + server2.conf together, because the variable set in server2.conf is wrongly used also for server1.conf
Note: A request to server1/helloworld correctly redirects to www.example.com/ (and not www.example.com/bar)
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