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nginx: check for realpath() == NULL in ETag patch

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Thanks to Gabriel Ebner!
This commit is contained in:
Yegor Timoshenko 2018-10-16 12:58:37 +00:00 committed by aszlig
parent 135d54f535
commit f03302b636
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1 changed files with 16 additions and 14 deletions
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30
pkgs/servers/http/nginx/nix-etag-1.15.4.patch
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@ -1,14 +1,14 @@
From 3ed81ef9e973247d0c95bf240b3bd2e640f2605a Mon Sep 17 00:00:00 2001
From a0ac82e4c79f359a7001a265cdb57e35978c6c23 Mon Sep 17 00:00:00 2001
From: Yegor Timoshenko <yegortimoshenko@riseup.net>
Date: Fri, 28 Sep 2018 03:27:04 +0000
Subject: [PATCH] If root is in Nix store, set ETag to its path hash
---
src/http/ngx_http_core_module.c | 56 +++++++++++++++++++++++++++------
1 file changed, 47 insertions(+), 9 deletions(-)
src/http/ngx_http_core_module.c | 55 +++++++++++++++++++++++++++++----
1 file changed, 49 insertions(+), 6 deletions(-)
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index c57ec00c..d996d7e3 100644
index c57ec00c..4eec7ec5 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1583,6 +1583,7 @@ ngx_http_set_etag(ngx_http_request_t *r)
@ -19,17 +19,23 @@ index c57ec00c..d996d7e3 100644
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
@@ -1598,16 +1599,53 @@ ngx_http_set_etag(ngx_http_request_t *r)
@@ -1598,16 +1599,58 @@ ngx_http_set_etag(ngx_http_request_t *r)
etag->hash = 1;
ngx_str_set(&etag->key, "ETag");
- etag->value.data = ngx_pnalloc(r->pool, NGX_OFF_T_LEN + NGX_TIME_T_LEN + 3);
- if (etag->value.data == NULL) {
- etag->hash = 0;
- return NGX_ERROR;
- }
+ real = ngx_realpath(clcf->root.data, NULL);
+
+ if (real == NULL) {
etag->hash = 0;
return NGX_ERROR;
}
- etag->value.len = ngx_sprintf(etag->value.data, "\"%xT-%xO\"",
- r->headers_out.last_modified_time,
- r->headers_out.content_length_n)
- - etag->value.data;
+ #define NIX_STORE_DIR "/nix/store"
+ #define NIX_STORE_LEN ngx_strlen(NIX_STORE_DIR)
+
@ -50,11 +56,7 @@ index c57ec00c..d996d7e3 100644
+
+ *ptr2++ = '"';
+ *ptr2 = '\0';
- etag->value.len = ngx_sprintf(etag->value.data, "\"%xT-%xO\"",
- r->headers_out.last_modified_time,
- r->headers_out.content_length_n)
- - etag->value.data;
+
+ etag->value.len = ngx_strlen(ptr1);
+ etag->value.data = ngx_pnalloc(r->pool, etag->value.len);
+
@ -83,5 +85,5 @@ index c57ec00c..d996d7e3 100644
r->headers_out.etag = etag;
--
2.18.0
2.19.0