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upgraded the nginx core to 1.13.2 (some patches fail to apply though).

This commit is contained in:
Yichun Zhang (agentzh) 2017-08-05 14:59:54 -07:00
parent 90fc91567f
commit 6614441908
27 changed files with 3032 additions and 2 deletions
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11
patches/nginx-1.13.2-always_enable_cc_feature_tests.patch Normal file
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@ -0,0 +1,11 @@
--- nginx-1.13.2/auto/cc/conf 2015-10-30 22:47:50.000000000 +0800
+++ nginx-1.13.2-patched/auto/cc/conf 2015-11-02 12:23:05.385156987 +0800
@@ -136,7 +136,7 @@ fi
CFLAGS="$CFLAGS $NGX_CC_OPT"
NGX_TEST_LD_OPT="$NGX_LD_OPT"
-if [ "$NGX_PLATFORM" != win32 ]; then
+if [ 1 ]; then
if test -n "$NGX_LD_OPT"; then
ngx_feature=--with-ld-opt=\"$NGX_LD_OPT\"

27
patches/nginx-1.13.2-balancer_status_code.patch Normal file
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@ -0,0 +1,27 @@
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 0f6b3ae..56d44fc 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -1368,6 +1368,11 @@ ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u)
return;
}
+ if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
+ ngx_http_upstream_finalize_request(r, u, rc);
+ return;
+ }
+
u->state->peer = u->peer.name;
if (rc == NGX_BUSY) {
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index b288f28..9b60e12 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -418,5 +418,6 @@ extern ngx_module_t ngx_http_upstream_module;
extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[];
extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[];
+#define HAVE_BALANCER_STATUS_CODE_PATCH
#endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */

13
patches/nginx-1.13.2-builtin_error_page_footer.patch Normal file
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@ -0,0 +1,13 @@
diff --git a/src/http/ngx_http_special_response.c b/src/http/ngx_http_special_response.c
index 64e5acd..f5374f6 100644
--- a/src/http/ngx_http_special_response.c
+++ b/src/http/ngx_http_special_response.c
@@ -26,7 +26,7 @@ static u_char ngx_http_error_full_tail[] =
static u_char ngx_http_error_tail[] =
-"<hr><center>nginx</center>" CRLF
+"<hr><center>openresty</center>" CRLF
"</body>" CRLF
"</html>" CRLF
;

19
patches/nginx-1.13.2-cache_manager_exit.patch Normal file
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@ -0,0 +1,19 @@
# HG changeset patch
# User Yichun Zhang <agentzh@gmail.com>
# Date 1383598130 28800
# Node ID f64218e1ac963337d84092536f588b8e0d99bbaa
# Parent dea321e5c0216efccbb23e84bbce7cf3e28f130c
Cache: gracefully exit the cache manager process.
diff -r dea321e5c021 -r f64218e1ac96 src/os/unix/ngx_process_cycle.c
--- a/src/os/unix/ngx_process_cycle.c Thu Oct 31 18:23:49 2013 +0400
+++ b/src/os/unix/ngx_process_cycle.c Mon Nov 04 12:48:50 2013 -0800
@@ -1335,7 +1335,7 @@
if (ngx_terminate || ngx_quit) {
ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
- exit(0);
+ ngx_worker_process_exit(cycle);
}
if (ngx_reopen) {

98
patches/nginx-1.13.2-delayed_posted_events.patch Normal file
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@ -0,0 +1,98 @@
diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index 57af8132..4853945f 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -196,6 +196,9 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
ngx_uint_t flags;
ngx_msec_t timer, delta;
+ ngx_queue_t *q;
+ ngx_event_t *ev;
+
if (ngx_timer_resolution) {
timer = NGX_TIMER_INFINITE;
flags = 0;
@@ -215,6 +218,13 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
#endif
}
+ if (!ngx_queue_empty(&ngx_posted_delayed_events)) {
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
+ "posted delayed event queue not empty"
+ " making poll timeout 0");
+ timer = 0;
+ }
+
if (ngx_use_accept_mutex) {
if (ngx_accept_disabled > 0) {
ngx_accept_disabled--;
@@ -257,6 +267,35 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
}
ngx_event_process_posted(cycle, &ngx_posted_events);
+
+ while (!ngx_queue_empty(&ngx_posted_delayed_events)) {
+ q = ngx_queue_head(&ngx_posted_delayed_events);
+
+ ev = ngx_queue_data(q, ngx_event_t, queue);
+ if (ev->delayed) {
+ /* start of newly inserted nodes */
+ for (/* void */;
+ q != ngx_queue_sentinel(&ngx_posted_delayed_events);
+ q = ngx_queue_next(q))
+ {
+ ev = ngx_queue_data(q, ngx_event_t, queue);
+ ev->delayed = 0;
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
+ "skipping delayed posted event %p,"
+ " till next iteration", ev);
+ }
+
+ break;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
+ "delayed posted event %p", ev);
+
+ ngx_delete_posted_event(ev);
+
+ ev->handler(ev);
+ }
}
@@ -600,6 +639,7 @@ ngx_event_process_init(ngx_cycle_t *cycle)
ngx_queue_init(&ngx_posted_accept_events);
ngx_queue_init(&ngx_posted_events);
+ ngx_queue_init(&ngx_posted_delayed_events);
if (ngx_event_timer_init(cycle->log) == NGX_ERROR) {
return NGX_ERROR;
diff --git a/src/event/ngx_event_posted.c b/src/event/ngx_event_posted.c
index d851f3d1..b6cea009 100644
--- a/src/event/ngx_event_posted.c
+++ b/src/event/ngx_event_posted.c
@@ -12,6 +12,7 @@
ngx_queue_t ngx_posted_accept_events;
ngx_queue_t ngx_posted_events;
+ngx_queue_t ngx_posted_delayed_events;
void
diff --git a/src/event/ngx_event_posted.h b/src/event/ngx_event_posted.h
index 145d30fe..6c388553 100644
--- a/src/event/ngx_event_posted.h
+++ b/src/event/ngx_event_posted.h
@@ -43,6 +43,9 @@ void ngx_event_process_posted(ngx_cycle_t *cycle, ngx_queue_t *posted);
extern ngx_queue_t ngx_posted_accept_events;
extern ngx_queue_t ngx_posted_events;
+extern ngx_queue_t ngx_posted_delayed_events;
+
+#define HAVE_POSTED_DELAYED_EVENTS_PATCH
#endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */

1159
patches/nginx-1.13.2-dtrace.patch Normal file
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File diff suppressed because it is too large Load Diff

11
patches/nginx-1.13.2-gcc-maybe-uninitialized-warning.patch Normal file
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@ -0,0 +1,11 @@
--- nginx-1.13.2/src/http/ngx_http_request.c 2013-05-06 03:26:50.000000000 -0700
+++ nginx-1.13.2-patched/src/http/ngx_http_request.c 2013-06-11 12:59:48.008321688 -0700
@@ -1951,7 +1951,7 @@
ngx_int_t rc;
ngx_http_connection_t *hc;
ngx_http_core_loc_conf_t *clcf;
- ngx_http_core_srv_conf_t *cscf;
+ ngx_http_core_srv_conf_t *cscf = NULL;
hc = r->http_connection;

20
patches/nginx-1.13.2-hash_overflow.patch Normal file
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@ -0,0 +1,20 @@
# HG changeset patch
# User Yichun Zhang <agentzh@gmail.com>
# Date 1412276417 25200
# Thu Oct 02 12:00:17 2014 -0700
# Node ID 4032b992f23b054c1a2cfb0be879330d2c6708e5
# Parent 1ff0f68d9376e3d184d65814a6372856bf65cfcd
Hash: buffer overflow might happen when exceeding the pre-configured limits.
diff -r 1ff0f68d9376 -r 4032b992f23b src/core/ngx_hash.c
--- a/src/core/ngx_hash.c Tue Sep 30 15:50:28 2014 -0700
+++ b/src/core/ngx_hash.c Thu Oct 02 12:00:17 2014 -0700
@@ -312,6 +312,8 @@ ngx_hash_init(ngx_hash_init_t *hinit, ng
continue;
}
+ size--;
+
ngx_log_error(NGX_LOG_WARN, hinit->pool->log, 0,
"could not build optimal %s, you should increase "
"either %s_max_size: %i or %s_bucket_size: %i; "

60
patches/nginx-1.13.2-intercept_error_log.patch Normal file
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@ -0,0 +1,60 @@
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index c51b7ff..4c335b9 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -22,9 +22,14 @@
#define NGX_DEBUG_POINTS_ABORT 2
+#define HAVE_INTERCEPT_ERROR_LOG_PATCH
+
+
typedef struct ngx_shm_zone_s ngx_shm_zone_t;
typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data);
+typedef ngx_int_t (*ngx_log_intercept_pt) (ngx_log_t *log, ngx_uint_t level,
+ u_char *buf, size_t len);
struct ngx_shm_zone_s {
void *data;
@@ -75,6 +80,10 @@ struct ngx_cycle_s {
ngx_str_t prefix;
ngx_str_t lock_file;
ngx_str_t hostname;
+
+ ngx_log_intercept_pt intercept_error_log_handler;
+ void *intercept_error_log_data;
+ unsigned entered_logger; /* :1 */
};
diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 8e9408d..ed9b11b 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -112,6 +112,8 @@ ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
ngx_uint_t wrote_stderr, debug_connection;
u_char errstr[NGX_MAX_ERROR_STR];
+ ngx_log_intercept_pt log_intercept = NULL;
+
last = errstr + NGX_MAX_ERROR_STR;
p = ngx_cpymem(errstr, ngx_cached_err_log_time.data,
@@ -153,6 +155,16 @@ ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
p = last - NGX_LINEFEED_SIZE;
}
+ if (ngx_cycle) {
+ log_intercept = ngx_cycle->intercept_error_log_handler;
+ }
+
+ if (log_intercept && !ngx_cycle->entered_logger) {
+ ngx_cycle->entered_logger = 1;
+ log_intercept(log, level, errstr, p - errstr);
+ ngx_cycle->entered_logger = 0;
+ }
+
ngx_linefeed(p);
wrote_stderr = 0;

13
patches/nginx-1.13.2-larger_max_error_str.patch Normal file
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@ -0,0 +1,13 @@
--- nginx-1.13.2/src/core/ngx_log.h 2013-10-08 05:07:14.000000000 -0700
+++ nginx-1.13.2-patched/src/core/ngx_log.h 2013-12-05 20:35:35.996236720 -0800
@@ -64,7 +64,9 @@ struct ngx_log_s {
};
-#define NGX_MAX_ERROR_STR 2048
+#ifndef NGX_MAX_ERROR_STR
+#define NGX_MAX_ERROR_STR 4096
+#endif
/*********************************/

115
patches/nginx-1.13.2-log_escape_non_ascii.patch Normal file
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@ -0,0 +1,115 @@
--- nginx-1.13.2/src/http/modules/ngx_http_log_module.c 2011-11-01 21:24:50.000000000 +0800
+++ nginx-1.13.2-patched/src/http/modules/ngx_http_log_module.c 2011-11-10 16:17:29.599039534 +0800
@@ -61,6 +61,8 @@
time_t open_file_cache_valid;
ngx_uint_t open_file_cache_min_uses;
+ ngx_flag_t escape_non_ascii;
+
ngx_uint_t off; /* unsigned off:1 */
} ngx_http_log_loc_conf_t;
@@ -104,7 +106,8 @@
uintptr_t data);
static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
ngx_http_log_op_t *op);
-static uintptr_t ngx_http_log_escape(u_char *dst, u_char *src, size_t size);
+static uintptr_t ngx_http_log_escape(ngx_http_log_loc_conf_t *lcf, u_char *dst,
+ u_char *src, size_t size);
static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
@@ -146,6 +149,13 @@
0,
NULL },
+ { ngx_string("log_escape_non_ascii"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_log_loc_conf_t, escape_non_ascii),
+ NULL },
+
ngx_null_command
};
@@ -637,6 +647,7 @@
ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
{
uintptr_t len;
+ ngx_http_log_loc_conf_t *lcf;
ngx_http_variable_value_t *value;
value = ngx_http_get_indexed_variable(r, data);
@@ -645,7 +656,9 @@
return 1;
}
- len = ngx_http_log_escape(NULL, value->data, value->len);
+ lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
+
+ len = ngx_http_log_escape(lcf, NULL, value->data, value->len);
value->escape = len ? 1 : 0;
@@ -656,6 +669,7 @@
static u_char *
ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
{
+ ngx_http_log_loc_conf_t *lcf;
ngx_http_variable_value_t *value;
value = ngx_http_get_indexed_variable(r, op->data);
@@ -669,16 +683,18 @@
return ngx_cpymem(buf, value->data, value->len);
} else {
- return (u_char *) ngx_http_log_escape(buf, value->data, value->len);
+ lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
+ return (u_char *) ngx_http_log_escape(lcf, buf, value->data, value->len);
}
}
static uintptr_t
-ngx_http_log_escape(u_char *dst, u_char *src, size_t size)
+ngx_http_log_escape(ngx_http_log_loc_conf_t *lcf, u_char *dst, u_char *src,
+ size_t size)
{
- ngx_uint_t n;
- static u_char hex[] = "0123456789ABCDEF";
+ ngx_uint_t n;
+ static u_char hex[] = "0123456789ABCDEF";
static uint32_t escape[] = {
0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
@@ -698,6 +714,12 @@
0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
};
+ if (lcf->escape_non_ascii) {
+ ngx_memset(&escape[4], 0xff, sizeof(uint32_t) * 4);
+
+ } else {
+ ngx_memzero(&escape[4], sizeof(uint32_t) * 4);
+ }
if (dst == NULL) {
@@ -781,6 +803,7 @@
}
conf->open_file_cache = NGX_CONF_UNSET_PTR;
+ conf->escape_non_ascii = NGX_CONF_UNSET;
return conf;
}
@@ -796,6 +819,8 @@
ngx_http_log_fmt_t *fmt;
ngx_http_log_main_conf_t *lmcf;
+ ngx_conf_merge_value(conf->escape_non_ascii, prev->escape_non_ascii, 1);
+
if (conf->open_file_cache == NGX_CONF_UNSET_PTR) {
conf->open_file_cache = prev->open_file_cache;

36
patches/nginx-1.13.2-no_Werror.patch Normal file
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@ -0,0 +1,36 @@
diff -urp nginx-1.13.2/auto/cc/clang nginx-1.13.2-patched/auto/cc/clang
--- nginx-1.13.2/auto/cc/clang 2014-03-04 03:39:24.000000000 -0800
+++ nginx-1.13.2-patched/auto/cc/clang 2014-03-13 20:54:26.241413360 -0700
@@ -89,7 +89,7 @@ CFLAGS="$CFLAGS -Wconditional-uninitiali
CFLAGS="$CFLAGS -Wno-unused-parameter"
# stop on warning
-CFLAGS="$CFLAGS -Werror"
+#CFLAGS="$CFLAGS -Werror"
# debug
CFLAGS="$CFLAGS -g"
diff -urp nginx-1.13.2/auto/cc/gcc nginx-1.13.2-patched/auto/cc/gcc
--- nginx-1.13.2/auto/cc/gcc 2014-03-04 03:39:24.000000000 -0800
+++ nginx-1.13.2-patched/auto/cc/gcc 2014-03-13 20:54:13.301355329 -0700
@@ -168,7 +168,7 @@ esac
# stop on warning
-CFLAGS="$CFLAGS -Werror"
+#CFLAGS="$CFLAGS -Werror"
# debug
CFLAGS="$CFLAGS -g"
diff -urp nginx-1.13.2/auto/cc/icc nginx-1.13.2-patched/auto/cc/icc
--- nginx-1.13.2/auto/cc/icc 2014-03-04 03:39:24.000000000 -0800
+++ nginx-1.13.2-patched/auto/cc/icc 2014-03-13 20:54:13.301355329 -0700
@@ -115,7 +115,7 @@ case "$NGX_ICC_VER" in
esac
# stop on warning
-CFLAGS="$CFLAGS -Werror"
+#CFLAGS="$CFLAGS -Werror"
# debug
CFLAGS="$CFLAGS -g"

90
patches/nginx-1.13.2-no_error_pages.patch Normal file
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@ -0,0 +1,90 @@
--- nginx-1.13.2/src/http/ngx_http_core_module.c 2010-12-14 18:38:42.000000000 +0800
+++ nginx-1.13.2-patched/src/http/ngx_http_core_module.c 2011-01-30 19:24:34.956354518 +0800
@@ -57,6 +57,8 @@
void *conf);
static char *ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
+static char *ngx_http_core_no_error_pages(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
static char *ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd,
@@ -614,6 +616,14 @@
0,
NULL },
+ { ngx_string("no_error_pages"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
+ |NGX_CONF_NOARGS,
+ ngx_http_core_no_error_pages,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
{ ngx_string("try_files"),
NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
ngx_http_core_try_files,
@@ -3052,7 +3062,6 @@
* clcf->types = NULL;
* clcf->default_type = { 0, NULL };
* clcf->error_log = NULL;
- * clcf->error_pages = NULL;
* clcf->try_files = NULL;
* clcf->client_body_path = NULL;
* clcf->regex = NULL;
@@ -3062,6 +3071,7 @@
* clcf->gzip_proxied = 0;
*/
+ clcf->error_pages = NGX_CONF_UNSET_PTR;
clcf->client_max_body_size = NGX_CONF_UNSET;
clcf->client_body_buffer_size = NGX_CONF_UNSET_SIZE;
clcf->client_body_timeout = NGX_CONF_UNSET_MSEC;
@@ -3250,9 +3260,7 @@
}
}
- if (conf->error_pages == NULL && prev->error_pages) {
- conf->error_pages = prev->error_pages;
- }
+ ngx_conf_merge_ptr_value(conf->error_pages, prev->error_pages, NULL);
ngx_conf_merge_str_value(conf->default_type,
prev->default_type, "text/plain");
@@ -3988,6 +3996,10 @@
ngx_http_compile_complex_value_t ccv;
if (clcf->error_pages == NULL) {
+ return "conflicts with \"no_error_pages\"";
+ }
+
+ if (clcf->error_pages == NGX_CONF_UNSET_PTR) {
clcf->error_pages = ngx_array_create(cf->pool, 4,
sizeof(ngx_http_err_page_t));
if (clcf->error_pages == NULL) {
@@ -4095,6 +4107,25 @@
static char *
+ngx_http_core_no_error_pages(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_core_loc_conf_t *clcf = conf;
+
+ if (clcf->error_pages == NULL) {
+ return "is duplicate";
+ }
+
+ if (clcf->error_pages != NGX_CONF_UNSET_PTR) {
+ return "conflicts with \"error_page\"";
+ }
+
+ clcf->error_pages = NULL;
+
+ return NGX_CONF_OK;
+}
+
+
+static char *
ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf = conf;

587
patches/nginx-1.13.2-no_pool.patch Normal file
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@ -0,0 +1,587 @@
diff --minimal '--exclude=*.swp' '--exclude=*~' -up nginx-1.13.2/src/core/nginx.h nginx-1.13.2-patched/src/core/nginx.h
--- nginx-1.13.2/src/core/nginx.h 2016-04-19 09:02:38.000000000 -0700
+++ nginx-1.13.2-patched/src/core/nginx.h 2016-04-21 16:25:07.452944624 -0700
@@ -10,7 +10,7 @@
#define nginx_version 1013002
#define NGINX_VERSION "1.13.2"
-#define NGINX_VER "openresty/" NGINX_VERSION ".unknown"
+#define NGINX_VER "openresty/" NGINX_VERSION ".unknown (no pool)"
#ifdef NGX_BUILD
diff --minimal '--exclude=*.swp' '--exclude=*~' -up nginx-1.13.2/src/core/ngx_array.c nginx-1.13.2-patched/src/core/ngx_array.c
--- nginx-1.13.2/src/core/ngx_array.c 2016-04-19 09:02:38.000000000 -0700
+++ nginx-1.13.2-patched/src/core/ngx_array.c 2016-04-21 16:25:07.453947190 -0700
@@ -30,26 +30,30 @@ ngx_array_create(ngx_pool_t *p, ngx_uint
void
ngx_array_destroy(ngx_array_t *a)
{
- ngx_pool_t *p;
+ ngx_pool_t *p;
+ ngx_array_link_t *link;
p = a->pool;
- if ((u_char *) a->elts + a->size * a->nalloc == p->d.last) {
- p->d.last -= a->size * a->nalloc;
+ if (a->elts) {
+ ngx_pfree(p, a->elts);
}
- if ((u_char *) a + sizeof(ngx_array_t) == p->d.last) {
- p->d.last = (u_char *) a;
+ for (link = a->old_elts; link; link = link->next) {
+ ngx_pfree(p, link->elts);
}
+
+ ngx_pfree(p, a);
}
void *
ngx_array_push(ngx_array_t *a)
{
- void *elt, *new;
- size_t size;
- ngx_pool_t *p;
+ void *elt, *new;
+ size_t size;
+ ngx_pool_t *p;
+ ngx_array_link_t *link;
if (a->nelts == a->nalloc) {
@@ -59,29 +63,27 @@ ngx_array_push(ngx_array_t *a)
p = a->pool;
- if ((u_char *) a->elts + size == p->d.last
- && p->d.last + a->size <= p->d.end)
- {
- /*
- * the array allocation is the last in the pool
- * and there is space for new allocation
- */
-
- p->d.last += a->size;
- a->nalloc++;
+ /* allocate a new array */
- } else {
- /* allocate a new array */
+ new = ngx_palloc(p, 2 * size);
+ if (new == NULL) {
+ return NULL;
+ }
- new = ngx_palloc(p, 2 * size);
- if (new == NULL) {
- return NULL;
- }
+ ngx_memcpy(new, a->elts, size);
- ngx_memcpy(new, a->elts, size);
- a->elts = new;
- a->nalloc *= 2;
+ link = ngx_palloc(p, sizeof(ngx_array_link_t));
+ if (link == NULL) {
+ ngx_pfree(p, new);
+ return NULL;
}
+
+ link->next = a->old_elts;
+ link->elts = a->elts;
+ a->old_elts = link;
+
+ a->elts = new;
+ a->nalloc *= 2;
}
elt = (u_char *) a->elts + a->size * a->nelts;
@@ -95,11 +97,10 @@ void *
ngx_array_push_n(ngx_array_t *a, ngx_uint_t n)
{
void *elt, *new;
- size_t size;
ngx_uint_t nalloc;
ngx_pool_t *p;
- size = n * a->size;
+ ngx_array_link_t *link;
if (a->nelts + n > a->nalloc) {
@@ -107,31 +108,27 @@ ngx_array_push_n(ngx_array_t *a, ngx_uin
p = a->pool;
- if ((u_char *) a->elts + a->size * a->nalloc == p->d.last
- && p->d.last + size <= p->d.end)
- {
- /*
- * the array allocation is the last in the pool
- * and there is space for new allocation
- */
+ nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc);
- p->d.last += size;
- a->nalloc += n;
+ new = ngx_palloc(p, nalloc * a->size);
+ if (new == NULL) {
+ return NULL;
+ }
- } else {
- /* allocate a new array */
+ ngx_memcpy(new, a->elts, a->nelts * a->size);
- nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc);
+ link = ngx_palloc(p, sizeof(ngx_array_link_t));
+ if (link == NULL) {
+ ngx_pfree(p, new);
+ return NULL;
+ }
- new = ngx_palloc(p, nalloc * a->size);
- if (new == NULL) {
- return NULL;
- }
+ link->next = a->old_elts;
+ link->elts = a->elts;
+ a->old_elts = link;
- ngx_memcpy(new, a->elts, a->nelts * a->size);
- a->elts = new;
- a->nalloc = nalloc;
- }
+ a->elts = new;
+ a->nalloc = nalloc;
}
elt = (u_char *) a->elts + a->size * a->nelts;
diff --minimal '--exclude=*.swp' '--exclude=*~' -up nginx-1.13.2/src/core/ngx_array.h nginx-1.13.2-patched/src/core/ngx_array.h
--- nginx-1.13.2/src/core/ngx_array.h 2016-04-19 09:02:38.000000000 -0700
+++ nginx-1.13.2-patched/src/core/ngx_array.h 2016-04-21 16:25:07.453947190 -0700
@@ -13,12 +13,23 @@
#include <ngx_core.h>
+typedef struct ngx_array_link_s ngx_array_link_t;
+
+
+struct ngx_array_link_s {
+ void *elts;
+ ngx_array_link_t *next;
+};
+
+
typedef struct {
void *elts;
ngx_uint_t nelts;
size_t size;
ngx_uint_t nalloc;
ngx_pool_t *pool;
+
+ ngx_array_link_t *old_elts;
} ngx_array_t;
@@ -40,6 +51,7 @@ ngx_array_init(ngx_array_t *array, ngx_p
array->size = size;
array->nalloc = n;
array->pool = pool;
+ array->old_elts = NULL;
array->elts = ngx_palloc(pool, n * size);
if (array->elts == NULL) {
diff --minimal '--exclude=*.swp' '--exclude=*~' -up nginx-1.13.2/src/core/ngx_palloc.c nginx-1.13.2-patched/src/core/ngx_palloc.c
--- nginx-1.13.2/src/core/ngx_palloc.c 2016-04-19 09:02:38.000000000 -0700
+++ nginx-1.13.2-patched/src/core/ngx_palloc.c 2016-04-21 16:25:45.912282685 -0700
@@ -9,34 +9,26 @@
#include <ngx_core.h>
-static ngx_inline void *ngx_palloc_small(ngx_pool_t *pool, size_t size,
- ngx_uint_t align);
-static void *ngx_palloc_block(ngx_pool_t *pool, size_t size);
-static void *ngx_palloc_large(ngx_pool_t *pool, size_t size);
+static void * ngx_malloc(ngx_pool_t *pool, size_t size);
ngx_pool_t *
ngx_create_pool(size_t size, ngx_log_t *log)
{
- ngx_pool_t *p;
+ ngx_pool_t *p;
- p = ngx_memalign(NGX_POOL_ALIGNMENT, size, log);
+ size = sizeof(ngx_pool_t);
+ p = ngx_alloc(size, log);
if (p == NULL) {
return NULL;
}
- p->d.last = (u_char *) p + sizeof(ngx_pool_t);
- p->d.end = (u_char *) p + size;
- p->d.next = NULL;
- p->d.failed = 0;
+ ngx_memzero(p, size);
size = size - sizeof(ngx_pool_t);
p->max = (size < NGX_MAX_ALLOC_FROM_POOL) ? size : NGX_MAX_ALLOC_FROM_POOL;
p->current = p;
- p->chain = NULL;
- p->large = NULL;
- p->cleanup = NULL;
p->log = log;
return p;
@@ -46,8 +38,7 @@ ngx_create_pool(size_t size, ngx_log_t *
void
ngx_destroy_pool(ngx_pool_t *pool)
{
- ngx_pool_t *p, *n;
- ngx_pool_large_t *l;
+ ngx_pool_data_t *d, *n;
ngx_pool_cleanup_t *c;
for (c = pool->cleanup; c; c = c->next) {
@@ -58,6 +49,11 @@ ngx_destroy_pool(ngx_pool_t *pool)
}
}
+ if (pool->d == NULL) {
+ ngx_free(pool);
+ return;
+ }
+
#if (NGX_DEBUG)
/*
@@ -65,13 +61,9 @@ ngx_destroy_pool(ngx_pool_t *pool)
* so we cannot use this log while free()ing the pool
*/
- for (l = pool->large; l; l = l->next) {
- ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0, "free: %p", l->alloc);
- }
-
- for (p = pool, n = pool->d.next; /* void */; p = n, n = n->d.next) {
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, pool->log, 0,
- "free: %p, unused: %uz", p, p->d.end - p->d.last);
+ "free: %p, unused: %d", d, 0);
if (n == NULL) {
break;
@@ -80,171 +72,82 @@ ngx_destroy_pool(ngx_pool_t *pool)
#endif
- for (l = pool->large; l; l = l->next) {
- if (l->alloc) {
- ngx_free(l->alloc);
- }
- }
-
- for (p = pool, n = pool->d.next; /* void */; p = n, n = n->d.next) {
- ngx_free(p);
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
+ ngx_free(d->alloc);
+ ngx_free(d);
if (n == NULL) {
break;
}
}
+
+ pool->d = NULL;
+ ngx_free(pool);
}
void
ngx_reset_pool(ngx_pool_t *pool)
{
- ngx_pool_t *p;
- ngx_pool_large_t *l;
+ ngx_pool_data_t *d, *n;
+ ngx_pool_data_t *saved = NULL;
- for (l = pool->large; l; l = l->next) {
- if (l->alloc) {
- ngx_free(l->alloc);
+ if (pool->d) {
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
+ if (d->alloc == pool->log) {
+ saved = d;
+ continue;
+ }
+
+ ngx_free(d->alloc);
+ ngx_free(d);
+
+ if (n == NULL) {
+ break;
+ }
}
- }
- for (p = pool; p; p = p->d.next) {
- p->d.last = (u_char *) p + sizeof(ngx_pool_t);
- p->d.failed = 0;
+ pool->d = saved;
+ pool->current = pool;
+ pool->chain = NULL;
}
-
- pool->current = pool;
- pool->chain = NULL;
- pool->large = NULL;
}
void *
ngx_palloc(ngx_pool_t *pool, size_t size)
{
-#if !(NGX_DEBUG_PALLOC)
- if (size <= pool->max) {
- return ngx_palloc_small(pool, size, 1);
- }
-#endif
-
- return ngx_palloc_large(pool, size);
+ return ngx_malloc(pool, size);
}
void *
ngx_pnalloc(ngx_pool_t *pool, size_t size)
{
-#if !(NGX_DEBUG_PALLOC)
- if (size <= pool->max) {
- return ngx_palloc_small(pool, size, 0);
- }
-#endif
-
- return ngx_palloc_large(pool, size);
-}
-
-
-static ngx_inline void *
-ngx_palloc_small(ngx_pool_t *pool, size_t size, ngx_uint_t align)
-{
- u_char *m;
- ngx_pool_t *p;
-
- p = pool->current;
-
- do {
- m = p->d.last;
-
- if (align) {
- m = ngx_align_ptr(m, NGX_ALIGNMENT);
- }
-
- if ((size_t) (p->d.end - m) >= size) {
- p->d.last = m + size;
-
- return m;
- }
-
- p = p->d.next;
-
- } while (p);
-
- return ngx_palloc_block(pool, size);
-}
-
-
-static void *
-ngx_palloc_block(ngx_pool_t *pool, size_t size)
-{
- u_char *m;
- size_t psize;
- ngx_pool_t *p, *new;
-
- psize = (size_t) (pool->d.end - (u_char *) pool);
-
- m = ngx_memalign(NGX_POOL_ALIGNMENT, psize, pool->log);
- if (m == NULL) {
- return NULL;
- }
-
- new = (ngx_pool_t *) m;
-
- new->d.end = m + psize;
- new->d.next = NULL;
- new->d.failed = 0;
-
- m += sizeof(ngx_pool_data_t);
- m = ngx_align_ptr(m, NGX_ALIGNMENT);
- new->d.last = m + size;
-
- for (p = pool->current; p->d.next; p = p->d.next) {
- if (p->d.failed++ > 4) {
- pool->current = p->d.next;
- }
- }
-
- p->d.next = new;
-
- return m;
+ return ngx_malloc(pool, size);
}
static void *
-ngx_palloc_large(ngx_pool_t *pool, size_t size)
+ngx_malloc(ngx_pool_t *pool, size_t size)
{
- void *p;
- ngx_uint_t n;
- ngx_pool_large_t *large;
+ void *p;
+ ngx_pool_data_t *d;
p = ngx_alloc(size, pool->log);
if (p == NULL) {
return NULL;
}
- n = 0;
-
- for (large = pool->large; large; large = large->next) {
- if (large->alloc == NULL) {
- large->alloc = p;
- return p;
- }
-
- if (n++ > 3) {
- break;
- }
- }
-
- large = ngx_palloc_small(pool, sizeof(ngx_pool_large_t), 1);
- if (large == NULL) {
+ d = ngx_alloc(sizeof(ngx_pool_data_t), pool->log);
+ if (d == NULL){
ngx_free(p);
return NULL;
}
- large->alloc = p;
- large->next = pool->large;
- pool->large = large;
-
+ d->alloc = p;
+ d->next = pool->d;
+ pool->d = d;
return p;
}
@@ -253,38 +156,48 @@ void *
ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment)
{
void *p;
- ngx_pool_large_t *large;
+ ngx_pool_data_t *d;
p = ngx_memalign(alignment, size, pool->log);
if (p == NULL) {
return NULL;
}
- large = ngx_palloc_small(pool, sizeof(ngx_pool_large_t), 1);
- if (large == NULL) {
+ d = ngx_alloc(sizeof(ngx_pool_data_t), pool->log);
+ if (d == NULL){
ngx_free(p);
return NULL;
}
- large->alloc = p;
- large->next = pool->large;
- pool->large = large;
-
+ d->alloc = p;
+ d->next = pool->d;
+ pool->d = d;
return p;
}
ngx_int_t
-ngx_pfree(ngx_pool_t *pool, void *p)
+ngx_pfree(ngx_pool_t *pool, void *data)
{
- ngx_pool_large_t *l;
+ ngx_pool_data_t *p, *d;
- for (l = pool->large; l; l = l->next) {
- if (p == l->alloc) {
- ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0,
- "free: %p", l->alloc);
- ngx_free(l->alloc);
- l->alloc = NULL;
+ p = NULL;
+ for (d = pool->d; d; p = d, d = d->next) {
+ if (data == d->alloc) {
+
+ ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0, "free: %p", d->alloc);
+
+ ngx_free(d->alloc);
+ d->alloc = NULL;
+
+ if (p) {
+ p->next = d->next;
+
+ } else {
+ pool->d = d->next;
+ }
+
+ ngx_free(d);
return NGX_OK;
}
diff --minimal '--exclude=*.swp' '--exclude=*~' -up nginx-1.13.2/src/core/ngx_palloc.h nginx-1.13.2-patched/src/core/ngx_palloc.h
--- nginx-1.13.2/src/core/ngx_palloc.h 2016-04-19 09:02:38.000000000 -0700
+++ nginx-1.13.2-patched/src/core/ngx_palloc.h 2016-04-21 16:25:07.454949755 -0700
@@ -38,28 +38,21 @@ struct ngx_pool_cleanup_s {
};
-typedef struct ngx_pool_large_s ngx_pool_large_t;
-
-struct ngx_pool_large_s {
- ngx_pool_large_t *next;
- void *alloc;
-};
+typedef struct ngx_pool_data_s ngx_pool_large_t;
+typedef struct ngx_pool_data_s ngx_pool_data_t;
-typedef struct {
- u_char *last;
- u_char *end;
- ngx_pool_t *next;
- ngx_uint_t failed;
-} ngx_pool_data_t;
+struct ngx_pool_data_s {
+ ngx_pool_data_t *next;
+ void *alloc;
+};
struct ngx_pool_s {
- ngx_pool_data_t d;
+ ngx_pool_data_t *d;
size_t max;
ngx_pool_t *current;
ngx_chain_t *chain;
- ngx_pool_large_t *large;
ngx_pool_cleanup_t *cleanup;
ngx_log_t *log;
};

26
patches/nginx-1.13.2-pcre_conf_opt.patch Normal file
View File

@ -0,0 +1,26 @@
# HG changeset patch
# User Yichun Zhang <agentzh@gmail.com>
# Date 1386694955 28800
# Node ID 9ba6b149669f1f02eeb4cdc0ebd364a949b5c469
# Parent 30e806b8636af5fd3f03ec17df24801f390f7511
Configure: added new option --with-pcre-conf-opt=OPTIONS.
diff -r 30e806b8636a -r 9ba6b149669f auto/options
--- a/auto/options Mon Dec 09 10:16:44 2013 +0400
+++ b/auto/options Tue Dec 10 09:02:35 2013 -0800
@@ -286,6 +286,7 @@
--with-pcre) USE_PCRE=YES ;;
--with-pcre=*) PCRE="$value" ;;
--with-pcre-opt=*) PCRE_OPT="$value" ;;
+ --with-pcre-conf-opt=*) PCRE_CONF_OPT="$value" ;;
--with-pcre-jit) PCRE_JIT=YES ;;
--with-openssl=*) OPENSSL="$value" ;;
@@ -441,6 +442,7 @@
--with-pcre force PCRE library usage
--with-pcre=DIR set path to PCRE library sources
--with-pcre-opt=OPTIONS set additional build options for PCRE
+ --with-pcre-conf-opt=OPTIONS set additional configure options for PCRE
--with-pcre-jit build PCRE with JIT compilation support
--with-md5=DIR set path to md5 library sources

211
patches/nginx-1.13.2-privileged_agent_process.patch Normal file
View File

@ -0,0 +1,211 @@
diff --git a/src/core/nginx.c b/src/core/nginx.c
index 60f8fe7..4bd244b 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -981,6 +981,7 @@ ngx_core_module_create_conf(ngx_cycle_t *cycle)
ccf->daemon = NGX_CONF_UNSET;
ccf->master = NGX_CONF_UNSET;
+ ccf->privileged_agent = NGX_CONF_UNSET;
ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
ccf->worker_processes = NGX_CONF_UNSET;
@@ -1009,6 +1010,7 @@ ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
ngx_conf_init_value(ccf->daemon, 1);
ngx_conf_init_value(ccf->master, 1);
+ ngx_conf_init_value(ccf->privileged_agent, 0);
ngx_conf_init_msec_value(ccf->timer_resolution, 0);
ngx_conf_init_value(ccf->worker_processes, 1);
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index c51b7ff..3261f90 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -22,6 +22,9 @@
#define NGX_DEBUG_POINTS_ABORT 2
+#define HAVE_PRIVILEGED_PROCESS_PATCH 1
+
+
typedef struct ngx_shm_zone_s ngx_shm_zone_t;
typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data);
@@ -81,6 +84,7 @@ struct ngx_cycle_s {
typedef struct {
ngx_flag_t daemon;
ngx_flag_t master;
+ ngx_flag_t privileged_agent;
ngx_msec_t timer_resolution;
diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index 7cee1c5..c4f70d6 100644
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -15,6 +15,8 @@ static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
ngx_int_t type);
static void ngx_start_cache_manager_processes(ngx_cycle_t *cycle,
ngx_uint_t respawn);
+static void ngx_start_privileged_agent_processes(ngx_cycle_t *cycle,
+ ngx_uint_t respawn);
static void ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch);
static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo);
static ngx_uint_t ngx_reap_children(ngx_cycle_t *cycle);
@@ -24,6 +26,7 @@ static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker);
static void ngx_worker_process_exit(ngx_cycle_t *cycle);
static void ngx_channel_handler(ngx_event_t *ev);
static void ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data);
+static void ngx_privileged_agent_process_cycle(ngx_cycle_t *cycle, void *data);
static void ngx_cache_manager_process_handler(ngx_event_t *ev);
static void ngx_cache_loader_process_handler(ngx_event_t *ev);
@@ -51,6 +54,8 @@ sig_atomic_t ngx_noaccept;
ngx_uint_t ngx_noaccepting;
ngx_uint_t ngx_restart;
+ngx_uint_t ngx_is_privileged_agent;
+
static u_char master_process[] = "master process";
@@ -130,6 +135,7 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
ngx_start_cache_manager_processes(cycle, 0);
+ ngx_start_privileged_agent_processes(cycle, 0);
ngx_new_binary = 0;
delay = 0;
@@ -224,6 +230,7 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
ngx_start_cache_manager_processes(cycle, 0);
+ ngx_start_privileged_agent_processes(cycle, 0);
ngx_noaccepting = 0;
continue;
@@ -243,6 +250,7 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_JUST_RESPAWN);
ngx_start_cache_manager_processes(cycle, 1);
+ ngx_start_privileged_agent_processes(cycle, 1);
/* allow new processes to start */
ngx_msleep(100);
@@ -257,6 +265,7 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
ngx_start_cache_manager_processes(cycle, 0);
+ ngx_start_privileged_agent_processes(cycle, 0);
live = 1;
}
@@ -424,6 +433,34 @@ ngx_start_cache_manager_processes(ngx_cycle_t *cycle, ngx_uint_t respawn)
static void
+ngx_start_privileged_agent_processes(ngx_cycle_t *cycle, ngx_uint_t respawn)
+{
+ ngx_channel_t ch;
+ ngx_core_conf_t *ccf;
+
+ ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
+ ngx_core_module);
+
+ if (!ccf->privileged_agent) {
+ return;
+ }
+
+ ngx_spawn_process(cycle, ngx_privileged_agent_process_cycle,
+ "privileged agent process", "privileged agent process",
+ respawn ? NGX_PROCESS_JUST_RESPAWN : NGX_PROCESS_RESPAWN);
+
+ ngx_memzero(&ch, sizeof(ngx_channel_t));
+
+ ch.command = NGX_CMD_OPEN_CHANNEL;
+ ch.pid = ngx_processes[ngx_process_slot].pid;
+ ch.slot = ngx_process_slot;
+ ch.fd = ngx_processes[ngx_process_slot].channel[0];
+
+ ngx_pass_open_channel(cycle, &ch);
+}
+
+
+static void
ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch)
{
ngx_int_t i;
@@ -827,7 +864,10 @@ ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker)
}
}
- if (geteuid() == 0) {
+ /*
+ * privileged agent process has the same permission as master process
+ */
+ if (!ngx_is_privileged_agent && geteuid() == 0) {
if (setgid(ccf->group) == -1) {
ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
"setgid(%d) failed", ccf->group);
@@ -1144,6 +1184,47 @@ ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data)
static void
+ngx_privileged_agent_process_cycle(ngx_cycle_t *cycle, void *data)
+{
+ char *name = data;
+
+ /*
+ * Set correct process type since closing listening Unix domain socket
+ * in a master process also removes the Unix domain socket file.
+ */
+ ngx_process = NGX_PROCESS_HELPER;
+ ngx_is_privileged_agent = 1;
+
+ ngx_close_listening_sockets(cycle);
+
+ /* Set a moderate number of connections for a helper process. */
+ cycle->connection_n = 512;
+
+ ngx_worker_process_init(cycle, -1);
+
+ ngx_use_accept_mutex = 0;
+
+ ngx_setproctitle(name);
+
+ for ( ;; ) {
+
+ if (ngx_terminate || ngx_quit) {
+ ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
+ ngx_worker_process_exit(cycle);
+ }
+
+ if (ngx_reopen) {
+ ngx_reopen = 0;
+ ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
+ ngx_reopen_files(cycle, -1);
+ }
+
+ ngx_process_events_and_timers(cycle);
+ }
+}
+
+
+static void
ngx_cache_manager_process_handler(ngx_event_t *ev)
{
time_t next, n;
diff --git a/src/os/unix/ngx_process_cycle.h b/src/os/unix/ngx_process_cycle.h
index 69495d5..5149396 100644
--- a/src/os/unix/ngx_process_cycle.h
+++ b/src/os/unix/ngx_process_cycle.h
@@ -45,6 +45,7 @@ extern ngx_pid_t ngx_new_binary;
extern ngx_uint_t ngx_inherited;
extern ngx_uint_t ngx_daemonized;
extern ngx_uint_t ngx_exiting;
+extern ngx_uint_t ngx_is_privileged_agent;
extern sig_atomic_t ngx_reap;
extern sig_atomic_t ngx_sigio;

19
patches/nginx-1.13.2-proxy_host_port_vars.patch Normal file
View File

@ -0,0 +1,19 @@
--- nginx-1.13.2/src/http/modules/ngx_http_proxy_module.c 2017-07-16 14:02:51.000000000 +0800
+++ nginx-1.13.2-patched/src/http/modules/ngx_http_proxy_module.c 2017-07-16 14:02:51.000000000 +0800
@@ -793,13 +793,13 @@ static ngx_keyval_t ngx_http_proxy_cach
static ngx_http_variable_t ngx_http_proxy_vars[] = {
{ ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
{ ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
{ ngx_string("proxy_add_x_forwarded_for"), NULL,
- ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
+ ngx_http_proxy_add_x_forwarded_for_variable, 0, 0, 0 },
#if 0
{ ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },

55
patches/nginx-1.13.2-safe_resolver_ipv6_option.patch Normal file
View File

@ -0,0 +1,55 @@
# HG changeset patch
# User Thibault Charbonnier <thibaultcha@fastmail.com>
# Date 1481847421 28800
# Thu Dec 15 16:17:01 2016 -0800
# Node ID 8bf038fe006fd8ae253d6b41fc6cf109a8912d3e
# Parent a3dc657f4e9530623683e6b85bd7492662e4dc47
Resolver: ignore ipv6=off resolver option when no ipv6 support
Makes the resolver directive more robust: we only error out when ipv6
resolution is desired but not supported (ipv6=on).
use case 1: some configurations are sometimes re-used between builds with and
without ipv6 support. This patch avoids the need to remove the "ipv6=off" flag.
use case 2: currently, some tools rely on the --with-ipv6 configure option from
"nginx -V" to determine if ipv6 resolution should be disabled in some cases.
With this option disappearing in Nginx 1.11.5, this patch would allow such tools
to assume "ipv6=off" to be safe regardless of ipv6 support in the current
build.
diff -r a3dc657f4e95 -r 8bf038fe006f src/core/ngx_resolver.c
--- a/src/core/ngx_resolver.c Thu Dec 15 21:44:34 2016 +0300
+++ b/src/core/ngx_resolver.c Thu Dec 15 16:17:01 2016 -0800
@@ -224,14 +224,22 @@
continue;
}
-#if (NGX_HAVE_INET6)
if (ngx_strncmp(names[i].data, "ipv6=", 5) == 0) {
if (ngx_strcmp(&names[i].data[5], "on") == 0) {
+#if (NGX_HAVE_INET6)
r->ipv6 = 1;
+#else
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "no ipv6 support but \"%V\" in resolver",
+ &names[i]);
+ return NULL;
+#endif
} else if (ngx_strcmp(&names[i].data[5], "off") == 0) {
+#if (NGX_HAVE_INET6)
r->ipv6 = 0;
+#endif
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
@@ -241,7 +249,6 @@
continue;
}
-#endif
ngx_memzero(&u, sizeof(ngx_url_t));

24
patches/nginx-1.13.2-server_header.patch Normal file
View File

@ -0,0 +1,24 @@
diff -ur nginx-1.13.2/src/core/nginx.h nginx-1.13.2-patched/src/core/nginx.h
--- nginx-1.13.2/src/core/nginx.h 2010-02-12 17:31:01.000000000 +0800
+++ nginx-1.13.2-patched/src/core/nginx.h 2010-03-30 10:52:13.240702627 +0800
@@ -10,7 +10,7 @@
#define nginx_version 1013002
#define NGINX_VERSION "1.13.2"
-#define NGINX_VER "nginx/" NGINX_VERSION
+#define NGINX_VER "openresty/" NGINX_VERSION ".unknown"
#define NGINX_VAR "NGINX"
#define NGX_OLDPID_EXT ".oldbin"
diff -ur nginx-1.13.2/src/http/ngx_http_header_filter_module.c nginx-1.13.2-patched/src/http/ngx_http_header_filter_module.c
--- nginx-1.13.2/src/http/ngx_http_header_filter_module.c 2010-03-03 23:14:04.000000000 +0800
+++ nginx-1.13.2-patched/src/http/ngx_http_header_filter_module.c 2010-03-30 10:52:53.670909405 +0800
@@ -45,7 +45,7 @@
};
-static char ngx_http_server_string[] = "Server: nginx" CRLF;
+static char ngx_http_server_string[] = "Server: openresty" CRLF;
static char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;

44
patches/nginx-1.13.2-setting_args_invalidates_uri.patch Normal file
View File

@ -0,0 +1,44 @@
# HG changeset patch
# User Yichun Zhang <agentzh@gmail.com>
# Date 1390506359 28800
# Node ID 17186b98c235c07e94c64e5853689f790f173756
# Parent 4b50d1f299d8a69f3e3f7975132e1490352642fe
Variable: setting $args should invalidate unparsed uri.
diff -r 4b50d1f299d8 -r 17186b98c235 src/http/ngx_http_variables.c
--- a/src/http/ngx_http_variables.c Fri Jan 10 11:22:14 2014 -0800
+++ b/src/http/ngx_http_variables.c Thu Jan 23 11:45:59 2014 -0800
@@ -15,6 +15,8 @@
ngx_http_variable_value_t *v, uintptr_t data);
static void ngx_http_variable_request_set(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
+static void ngx_http_variable_request_args_set(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static void ngx_http_variable_request_set_size(ngx_http_request_t *r,
@@ -218,7 +220,7 @@
NGX_HTTP_VAR_NOCACHEABLE, 0 },
{ ngx_string("args"),
- ngx_http_variable_request_set,
+ ngx_http_variable_request_args_set,
ngx_http_variable_request,
offsetof(ngx_http_request_t, args),
NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
@@ -647,6 +649,15 @@
static void
+ngx_http_variable_request_args_set(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ r->valid_unparsed_uri = 0;
+ ngx_http_variable_request_set(r, v, data);
+}
+
+
+static void
ngx_http_variable_request_set(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)
{

53
patches/nginx-1.13.2-single_process_graceful_exit.patch Normal file
View File

@ -0,0 +1,53 @@
--- nginx-1.13.2/src/os/unix/ngx_process_cycle.c 2016-07-05 08:56:16.000000000 -0700
+++ nginx-1.13.2-patched/src/os/unix/ngx_process_cycle.c 2017-05-14 09:59:52.301108274 -0700
@@ -304,11 +304,29 @@ ngx_single_process_cycle(ngx_cycle_t *cy
}
for ( ;; ) {
+ if (ngx_exiting) {
+ ngx_event_cancel_timers();
+
+ if (ngx_event_timer_rbtree.root == ngx_event_timer_rbtree.sentinel)
+ {
+ ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
+
+ for (i = 0; cycle->modules[i]; i++) {
+ if (cycle->modules[i]->exit_process) {
+ cycle->modules[i]->exit_process(cycle);
+ }
+ }
+
+ ngx_master_process_exit(cycle);
+ }
+ }
+
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
ngx_process_events_and_timers(cycle);
- if (ngx_terminate || ngx_quit) {
+ if (ngx_terminate) {
+ ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
for (i = 0; cycle->modules[i]; i++) {
if (cycle->modules[i]->exit_process) {
@@ -319,6 +337,19 @@ ngx_single_process_cycle(ngx_cycle_t *cy
ngx_master_process_exit(cycle);
}
+ if (ngx_quit) {
+ ngx_quit = 0;
+ ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
+ "gracefully shutting down");
+ ngx_setproctitle("process is shutting down");
+
+ if (!ngx_exiting) {
+ ngx_exiting = 1;
+ ngx_close_listening_sockets(cycle);
+ ngx_close_idle_connections(cycle);
+ }
+ }
+
if (ngx_reconfigure) {
ngx_reconfigure = 0;
ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");

138
patches/nginx-1.13.2-slab_defrag.patch Normal file
View File

@ -0,0 +1,138 @@
diff --git a/src/core/ngx_slab.c b/src/core/ngx_slab.c
index c3a27f7..1bde432 100644
--- a/src/core/ngx_slab.c
+++ b/src/core/ngx_slab.c
@@ -6,6 +6,7 @@
#include <ngx_config.h>
#include <ngx_core.h>
+#include <assert.h>
#define NGX_SLAB_PAGE_MASK 3
@@ -111,6 +112,7 @@ ngx_slab_init(ngx_slab_pool_t *pool)
ngx_memzero(p, pages * sizeof(ngx_slab_page_t));
pool->pages = (ngx_slab_page_t *) p;
+ pool->npages = pages;
pool->free.prev = 0;
pool->free.next = (ngx_slab_page_t *) p;
@@ -118,6 +120,7 @@ ngx_slab_init(ngx_slab_pool_t *pool)
pool->pages->slab = pages;
pool->pages->next = &pool->free;
pool->pages->prev = (uintptr_t) &pool->free;
+ pool->pages->prev_slab = 0;
pool->start = (u_char *)
ngx_align_ptr((uintptr_t) p + pages * sizeof(ngx_slab_page_t),
@@ -625,9 +628,16 @@ ngx_slab_alloc_pages(ngx_slab_pool_t *pool, ngx_uint_t pages)
if (page->slab >= pages) {
if (page->slab > pages) {
+ /* adjust the next adjacent block's "prev_slab" field */
+ p = &page[page->slab];
+ if (p < pool->pages + pool->npages) {
+ p->prev_slab = page->slab - pages;
+ }
+
page[pages].slab = page->slab - pages;
page[pages].next = page->next;
page[pages].prev = page->prev;
+ page[pages].prev_slab = pages;
p = (ngx_slab_page_t *) page->prev;
p->next = &page[pages];
@@ -651,6 +661,7 @@ ngx_slab_alloc_pages(ngx_slab_pool_t *pool, ngx_uint_t pages)
p->slab = NGX_SLAB_PAGE_BUSY;
p->next = NULL;
p->prev = NGX_SLAB_PAGE;
+ p->prev_slab = 0;
p++;
}
@@ -668,7 +679,7 @@ static void
ngx_slab_free_pages(ngx_slab_pool_t *pool, ngx_slab_page_t *page,
ngx_uint_t pages)
{
- ngx_slab_page_t *prev;
+ ngx_slab_page_t *prev, *p;
page->slab = pages--;
@@ -682,6 +693,53 @@ ngx_slab_free_pages(ngx_slab_pool_t *pool, ngx_slab_page_t *page,
page->next->prev = page->prev;
}
+ /* merge the next adjacent free block if it is free */
+
+ p = &page[page->slab];
+ if (p < pool->pages + pool->npages
+ && !(p->slab & NGX_SLAB_PAGE_START)
+ && p->next != NULL
+ && (p->prev & NGX_SLAB_PAGE_MASK) == NGX_SLAB_PAGE)
+ {
+ page->slab += p->slab;
+
+ /* remove the next adjacent block from the free list */
+
+ prev = (ngx_slab_page_t *) p->prev;
+ prev->next = p->next;
+ p->next->prev = p->prev;
+
+ /* adjust the "prev_slab" field in the next next adjacent block */
+ if (p + p->slab < pool->pages + pool->npages) {
+ p[p->slab].prev_slab = page->slab;
+ }
+
+ ngx_memzero(p, sizeof(ngx_slab_page_t));
+ }
+
+ if (page->prev_slab) {
+ /* merge the previous adjacent block if it is free */
+
+ p = page - page->prev_slab;
+ if (!(p->slab & NGX_SLAB_PAGE_START)
+ && p->next != NULL
+ && (p->prev & NGX_SLAB_PAGE_MASK) == NGX_SLAB_PAGE)
+ {
+ assert(p->slab == page->prev_slab);
+
+ p->slab += page->slab;
+ ngx_memzero(page, sizeof(ngx_slab_page_t));
+
+ /* adjust the "prev_slab" field in the next adjacent block */
+ if (p + p->slab < pool->pages + pool->npages) {
+ p[p->slab].prev_slab = p->slab;
+ }
+
+ /* skip adding "page" to the free list */
+ return;
+ }
+ }
+
page->prev = (uintptr_t) &pool->free;
page->next = pool->free.next;
diff --git a/src/core/ngx_slab.h b/src/core/ngx_slab.h
index c5e420b..287ac79 100644
--- a/src/core/ngx_slab.h
+++ b/src/core/ngx_slab.h
@@ -19,6 +19,8 @@ struct ngx_slab_page_s {
uintptr_t slab;
ngx_slab_page_t *next;
uintptr_t prev;
+ uintptr_t prev_slab;
+ /* number of pages for the previous adjacent block */
};
@@ -31,6 +33,8 @@ typedef struct {
ngx_slab_page_t *pages;
ngx_slab_page_t free;
+ ngx_uint_t npages;
+
u_char *start;
u_char *end;

42
patches/nginx-1.13.2-ssl_cert_cb_yield.patch Normal file
View File

@ -0,0 +1,42 @@
# HG changeset patch
# User Yichun Zhang <agentzh@openresty.org>
# Date 1451762084 28800
# Sat Jan 02 11:14:44 2016 -0800
# Node ID 449f0461859c16e95bdb18e8be6b94401545d3dd
# Parent 78b4e10b4367b31367aad3c83c9c3acdd42397c4
SSL: handled SSL_CTX_set_cert_cb() callback yielding.
OpenSSL 1.0.2+ introduces SSL_CTX_set_cert_cb() to allow custom
callbacks to serve the SSL certificiates and private keys dynamically
and lazily. The callbacks may yield for nonblocking I/O or sleeping.
Here we added support for such usage in NGINX 3rd-party modules
(like ngx_lua) in NGINX's event handlers for downstream SSL
connections.
diff -r 78b4e10b4367 -r 449f0461859c src/event/ngx_event_openssl.c
--- a/src/event/ngx_event_openssl.c Thu Dec 17 16:39:15 2015 +0300
+++ b/src/event/ngx_event_openssl.c Sat Jan 02 11:14:44 2016 -0800
@@ -1210,6 +1210,23 @@
return NGX_AGAIN;
}
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+ if (sslerr == SSL_ERROR_WANT_X509_LOOKUP) {
+ c->read->handler = ngx_ssl_handshake_handler;
+ c->write->handler = ngx_ssl_handshake_handler;
+
+ if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ return NGX_AGAIN;
+ }
+#endif
+
err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
c->ssl->no_wait_shutdown = 1;

16
patches/nginx-1.13.2-ssl_pending_session.patch Normal file
View File

@ -0,0 +1,16 @@
--- nginx-1.13.2/src/event/ngx_event_openssl.c 2016-07-17 19:20:30.411137606 -0700
+++ nginx-1.13.2-patched/src/event/ngx_event_openssl.c 2016-07-19 16:53:35.539768477 -0700
@@ -1307,7 +1307,12 @@ ngx_ssl_handshake(ngx_connection_t *c)
}
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
- if (sslerr == SSL_ERROR_WANT_X509_LOOKUP) {
+ if (sslerr == SSL_ERROR_WANT_X509_LOOKUP
+# ifdef SSL_ERROR_PENDING_SESSION
+ || sslerr == SSL_ERROR_PENDING_SESSION
+# endif
+ )
+ {
c->read->handler = ngx_ssl_handshake_handler;
c->write->handler = ngx_ssl_handshake_handler;

23
patches/nginx-1.13.2-upstream_pipelining.patch Normal file
View File

@ -0,0 +1,23 @@
commit f9907b72a76a21ac5413187b83177a919475c75f
Author: Yichun Zhang (agentzh) <agentzh@gmail.com>
Date: Wed Feb 10 16:05:08 2016 -0800
bugfix: upstream: keep sending request data after the first write attempt.
See
http://mailman.nginx.org/pipermail/nginx-devel/2012-March/002040.html
for more details on the issue.
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index dbaa956..a25aaa2 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2003,7 +2003,7 @@ ngx_http_upstream_send_request_handler(ngx_http_request_t *r,
#endif
- if (u->header_sent) {
+ if (u->request_body_sent) {
u->write_event_handler = ngx_http_upstream_dummy_handler;
(void) ngx_handle_write_event(c->write, 0);

120
patches/nginx-1.13.2-upstream_timeout_fields.patch Normal file
View File

@ -0,0 +1,120 @@
diff -r 13070ecfda67 src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c Tue Apr 19 19:02:37 2016 +0300
+++ b/src/http/ngx_http_upstream.c Fri Jul 01 12:14:53 2016 -0700
@@ -481,12 +481,19 @@ void
ngx_http_upstream_init(ngx_http_request_t *r)
{
ngx_connection_t *c;
+ ngx_http_upstream_t *u;
c = r->connection;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http init upstream, client timer: %d", c->read->timer_set);
+ u = r->upstream;
+
+ u->connect_timeout = u->conf->connect_timeout;
+ u->send_timeout = u->conf->send_timeout;
+ u->read_timeout = u->conf->read_timeout;
+
#if (NGX_HTTP_V2)
if (r->stream) {
ngx_http_upstream_init_request(r);
@@ -1451,7 +1458,7 @@ ngx_http_upstream_connect(ngx_http_reque
u->request_body_sent = 0;
if (rc == NGX_AGAIN) {
- ngx_add_timer(c->write, u->conf->connect_timeout);
+ ngx_add_timer(c->write, u->connect_timeout);
return;
}
@@ -1540,7 +1547,7 @@ ngx_http_upstream_ssl_init_connection(ng
if (rc == NGX_AGAIN) {
if (!c->write->timer_set) {
- ngx_add_timer(c->write, u->conf->connect_timeout);
+ ngx_add_timer(c->write, u->connect_timeout);
}
c->ssl->handler = ngx_http_upstream_ssl_handshake;
@@ -1816,7 +1823,7 @@ ngx_http_upstream_send_request(ngx_http_
if (rc == NGX_AGAIN) {
if (!c->write->ready) {
- ngx_add_timer(c->write, u->conf->send_timeout);
+ ngx_add_timer(c->write, u->send_timeout);
} else if (c->write->timer_set) {
ngx_del_timer(c->write);
@@ -1859,7 +1866,7 @@ ngx_http_upstream_send_request(ngx_http_
return;
}
- ngx_add_timer(c->read, u->conf->read_timeout);
+ ngx_add_timer(c->read, u->read_timeout);
if (c->read->ready) {
ngx_http_upstream_process_header(r, u);
@@ -2658,7 +2665,7 @@ ngx_http_upstream_process_body_in_memory
}
if (rev->active) {
- ngx_add_timer(rev, u->conf->read_timeout);
+ ngx_add_timer(rev, u->read_timeout);
} else if (rev->timer_set) {
ngx_del_timer(rev);
@@ -2982,7 +2989,7 @@ ngx_http_upstream_send_response(ngx_http
p->cyclic_temp_file = 0;
}
- p->read_timeout = u->conf->read_timeout;
+ p->read_timeout = u->read_timeout;
p->send_timeout = clcf->send_timeout;
p->send_lowat = clcf->send_lowat;
@@ -3239,7 +3246,7 @@ ngx_http_upstream_process_upgraded(ngx_h
}
if (upstream->write->active && !upstream->write->ready) {
- ngx_add_timer(upstream->write, u->conf->send_timeout);
+ ngx_add_timer(upstream->write, u->send_timeout);
} else if (upstream->write->timer_set) {
ngx_del_timer(upstream->write);
@@ -3251,7 +3258,7 @@ ngx_http_upstream_process_upgraded(ngx_h
}
if (upstream->read->active && !upstream->read->ready) {
- ngx_add_timer(upstream->read, u->conf->read_timeout);
+ ngx_add_timer(upstream->read, u->read_timeout);
} else if (upstream->read->timer_set) {
ngx_del_timer(upstream->read);
@@ -3444,7 +3451,7 @@ ngx_http_upstream_process_non_buffered_r
}
if (upstream->read->active && !upstream->read->ready) {
- ngx_add_timer(upstream->read, u->conf->read_timeout);
+ ngx_add_timer(upstream->read, u->read_timeout);
} else if (upstream->read->timer_set) {
ngx_del_timer(upstream->read);
diff -r 13070ecfda67 src/http/ngx_http_upstream.h
--- a/src/http/ngx_http_upstream.h Tue Apr 19 19:02:37 2016 +0300
+++ b/src/http/ngx_http_upstream.h Fri Jul 01 12:14:53 2016 -0700
@@ -309,6 +309,12 @@ struct ngx_http_upstream_s {
ngx_chain_writer_ctx_t writer;
ngx_http_upstream_conf_t *conf;
+
+#define HAVE_NGX_UPSTREAM_TIMEOUT_FIELDS 1
+ ngx_msec_t connect_timeout;
+ ngx_msec_t send_timeout;
+ ngx_msec_t read_timeout;
+
#if (NGX_HTTP_CACHE)
ngx_array_t *caches;
#endif

4
util/ver
View File

@ -1,7 +1,7 @@
#!/bin/bash #!/bin/bash
main_ver=1.11.2 main_ver=1.13.2
minor_ver=5 minor_ver=1rc0
version=$main_ver.$minor_ver version=$main_ver.$minor_ver
echo $version echo $version