Mercurial > hg > nginx
view src/os/unix/ngx_sunpro_amd64.il @ 9240:f3df785649ae
Request body: limited chunk extensions and trailer headers.
Previously, arbitrary amounts of chunk extensions and trailer headers were
accepted and skipped. Despite being under limit_conn / limit_req limits
(if configured), this can be a DoS vector, so it is now limited by the
client_max_body_size limit.
Reported by Bartek Nowotarski.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Sat, 30 Mar 2024 05:09:35 +0300 |
parents | 2cd019520210 |
children |
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/ / Copyright (C) Igor Sysoev / Copyright (C) Nginx, Inc. / / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, / ngx_atomic_uint_t old, ngx_atomic_uint_t set); / / the arguments are passed in %rdi, %rsi, %rdx / the result is returned in the %rax .inline ngx_atomic_cmp_set,0 movq %rsi, %rax lock cmpxchgq %rdx, (%rdi) setz %al movzbq %al, %rax .end / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, / ngx_atomic_int_t add); / / the arguments are passed in %rdi, %rsi / the result is returned in the %rax .inline ngx_atomic_fetch_add,0 movq %rsi, %rax lock xaddq %rax, (%rdi) .end / ngx_cpu_pause() / / the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware / capability added by linker because Solaris/amd64 does not know about it: / / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] .inline ngx_cpu_pause,0 rep; nop .end