# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1309178040 -14400
# Node ID 8a0c9f46d6d87364922d2db80a1cc7538a8fd028
# Parent b857d44e9644325dec7d63b8561ae3b4dfa16150
Fastcgi: fix fastcgi_param with "HTTP_".

diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -691,11 +691,12 @@ ngx_http_fastcgi_create_request(ngx_http
u_char ch, *pos, *lowcase_key;
size_t size, len, key_len, val_len, padding,
allocated;
- ngx_uint_t i, n, next, hash, header_params;
+ uintptr_t *ignored, m;
+ ngx_uint_t i, n, k, next, hash;
ngx_buf_t *b;
ngx_chain_t *cl, *body;
ngx_list_part_t *part;
- ngx_table_elt_t *header, **ignored;
+ ngx_table_elt_t *header;
ngx_http_script_code_pt code;
ngx_http_script_engine_t e, le;
ngx_http_fastcgi_header_t *h;
@@ -703,7 +704,6 @@ ngx_http_fastcgi_create_request(ngx_http
ngx_http_script_len_code_pt lcode;

len = 0;
- header_params = 0;
ignored = NULL;

flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
@@ -737,7 +737,17 @@ ngx_http_fastcgi_create_request(ngx_http
lowcase_key = NULL;

if (flcf->header_params) {
- ignored = ngx_palloc(r->pool, flcf->header_params * sizeof(void *));
+ part = &r->headers_in.headers.part;
+ k = 0;
+
+ while (part) {
+ k += part->nelts;
+ part = part->next;
+ }
+
+ n = (k + (8 * sizeof(uintptr_t) - 1)) / (8 * sizeof(uintptr_t));
+
+ ignored = ngx_pcalloc(r->pool, n * sizeof(uintptr_t));
if (ignored == NULL) {
return NGX_ERROR;
}
@@ -745,6 +755,7 @@ ngx_http_fastcgi_create_request(ngx_http

part = &r->headers_in.headers.part;
header = part->elts;
+ k = 0;

for (i = 0; /* void */; i++) {

@@ -784,10 +795,16 @@ ngx_http_fastcgi_create_request(ngx_http
}

if (ngx_hash_find(&flcf->headers_hash, hash, lowcase_key, n)) {
- ignored[header_params++] = &header[i];
+ n = k / (8 * sizeof(uintptr_t));
+ m = (uintptr_t) 1 << k % (8 * sizeof(uintptr_t));
+
+ ignored[n] |= m;
+
+ k++;
continue;
}

+ k++;
n += sizeof("HTTP_") - 1;

} else {
@@ -902,6 +919,7 @@ ngx_http_fastcgi_create_request(ngx_http

part = &r->headers_in.headers.part;
header = part->elts;
+ k = 0;

for (i = 0; /* void */; i++) {

@@ -915,9 +933,13 @@ ngx_http_fastcgi_create_request(ngx_http
i = 0;
}

- for (n = 0; n < header_params; n++) {
- if (&header[i] == ignored[n]) {
- goto next;
+ if (flcf->header_params) {
+ n = k / (8 * sizeof(uintptr_t));
+ m = (uintptr_t) 1 << k % (8 * sizeof(uintptr_t));
+ k++;
+
+ if (ignored[n] & m) {
+ continue;
}
}

@@ -964,9 +986,6 @@ ngx_http_fastcgi_create_request(ngx_http
"fastcgi param: \"%*s: %*s\"",
key_len, b->last - (key_len + val_len),
val_len, b->last - val_len);
- next:
-
- continue;
}
}


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