Fijxu/nginx-quic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Perl: protection against duplicate $r->sleep() calls.

Browse source 
Duplicate $r->sleep() and/or $r->has_request_body() calls result
in undefined behaviour (in practice, connection leaks were observed).
To prevent this, croak() added in appropriate places.
This commit is contained in:
Maxim Dounin 2019-07-12 15:34:37 +03:00
parent dd6daa9284
commit 38ad3f8d3d
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/http/modules/perl/nginx.xs
View file

@ -400,6 +400,10 @@ has_request_body(r, next)
ngx_http_perl_set_request(r, ctx);
if (ctx->next) {
croak("has_request_body(): another handler active");
}
if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {
XSRETURN_UNDEF;
}
@ -1093,6 +1097,10 @@ sleep(r, sleep, next)
ngx_http_perl_set_request(r, ctx);
if (ctx->next) {
croak("sleep(): another handler active");
}
sleep = (ngx_msec_t) SvIV(ST(1));
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,