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escape space, etc in $memcached_key

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This commit is contained in:
Igor Sysoev 2007-07-22 19:18:59 +00:00
parent 37ae8ca0e1
commit 3f70782404
3 changed files with 41 additions and 11 deletions
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22
src/core/ngx_string.c
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@ -1059,7 +1059,27 @@ ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type)
0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
}; };
static uint32_t *map[] = { uri, args, html, refresh }; /* " ", %00-%1F */
static uint32_t memcached[] = {
0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
/* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
0x00000001, /* 0000 0000 0000 0000 0000 0000 0000 0001 */
/* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
/* ~}| {zyx wvut srqp onml kjih gfed cba` */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
};
static uint32_t *map[] = { uri, args, html, refresh, memcached };
escape = map[type]; escape = map[type];

17
src/core/ngx_string.h
View File

@ -150,12 +150,13 @@ size_t ngx_utf_length(u_char *p, size_t n);
u_char *ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n); u_char *ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n);
#define NGX_ESCAPE_URI 0 #define NGX_ESCAPE_URI 0
#define NGX_ESCAPE_ARGS 1 #define NGX_ESCAPE_ARGS 1
#define NGX_ESCAPE_HTML 2 #define NGX_ESCAPE_HTML 2
#define NGX_ESCAPE_REFRESH 3 #define NGX_ESCAPE_REFRESH 3
#define NGX_ESCAPE_MEMCACHED 4
#define NGX_UNESCAPE_URI 1 #define NGX_UNESCAPE_URI 1
uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size,
ngx_uint_t type); ngx_uint_t type);
@ -164,11 +165,11 @@ void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type);
void ngx_sort(void *base, size_t n, size_t size, void ngx_sort(void *base, size_t n, size_t size,
int (*cmp)(const void *, const void *)); int (*cmp)(const void *, const void *));
#define ngx_qsort qsort #define ngx_qsort qsort
#define ngx_value_helper(n) #n #define ngx_value_helper(n) #n
#define ngx_value(n) ngx_value_helper(n) #define ngx_value(n) ngx_value_helper(n)
#endif /* _NGX_STRING_H_INCLUDED_ */ #endif /* _NGX_STRING_H_INCLUDED_ */

13
src/http/modules/ngx_http_memcached_module.c
View File

@ -226,6 +226,7 @@ static ngx_int_t
ngx_http_memcached_create_request(ngx_http_request_t *r) ngx_http_memcached_create_request(ngx_http_request_t *r)
{ {
size_t len; size_t len;
uintptr_t escape;
ngx_buf_t *b; ngx_buf_t *b;
ngx_chain_t *cl; ngx_chain_t *cl;
ngx_http_memcached_ctx_t *ctx; ngx_http_memcached_ctx_t *ctx;
@ -242,7 +243,9 @@ ngx_http_memcached_create_request(ngx_http_request_t *r)
return NGX_ERROR; return NGX_ERROR;
} }
len = sizeof("get ") - 1 + vv->len + sizeof(CRLF) - 1; escape = 2 * ngx_escape_uri(NULL, vv->data, vv->len, NGX_ESCAPE_MEMCACHED);
len = sizeof("get ") - 1 + vv->len + escape + sizeof(CRLF) - 1;
b = ngx_create_temp_buf(r->pool, len); b = ngx_create_temp_buf(r->pool, len);
if (b == NULL) { if (b == NULL) {
@ -265,7 +268,13 @@ ngx_http_memcached_create_request(ngx_http_request_t *r)
ctx->key.data = b->last; ctx->key.data = b->last;
b->last = ngx_copy(b->last, vv->data, vv->len); if (escape == 0) {
b->last = ngx_copy(b->last, vv->data, vv->len);
} else {
b->last = (u_char *) ngx_escape_uri(b->last, vv->data, vv->len,
NGX_ESCAPE_MEMCACHED);
}
ctx->key.len = b->last - ctx->key.data; ctx->key.len = b->last - ctx->key.data;