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return NXDOMAIN for ".." in host name

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This commit is contained in:
Igor Sysoev 2008-04-09 14:45:39 +00:00
parent 949aea4dfe
commit 09b199cf77
1 changed files with 21 additions and 1 deletions
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22
src/core/ngx_resolver.c
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@ -369,6 +369,7 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
{ {
uint32_t hash; uint32_t hash;
in_addr_t addr, *addrs; in_addr_t addr, *addrs;
ngx_int_t rc;
ngx_uint_t naddrs; ngx_uint_t naddrs;
ngx_resolver_ctx_t *next; ngx_resolver_ctx_t *next;
ngx_resolver_node_t *rn; ngx_resolver_node_t *rn;
@ -485,10 +486,25 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
ngx_rbtree_insert(&r->name_rbtree, &rn->node); ngx_rbtree_insert(&r->name_rbtree, &rn->node);
} }
if (ngx_resolver_create_name_query(rn, ctx) != NGX_OK) { rc = ngx_resolver_create_name_query(rn, ctx);
if (rc == NGX_ERROR) {
goto failed; goto failed;
} }
if (rc == NGX_DECLINED) {
ngx_rbtree_delete(&r->name_rbtree, &rn->node);
ngx_resolver_free(r, rn->query);
ngx_resolver_free(r, rn->name);
ngx_resolver_free(r, rn);
ctx->state = NGX_RESOLVE_NXDOMAIN;
ctx->handler(ctx);
return NGX_OK;
}
if (ngx_resolver_send_query(r, rn) != NGX_OK) { if (ngx_resolver_send_query(r, rn) != NGX_OK) {
goto failed; goto failed;
} }
@ -1696,6 +1712,10 @@ ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
len++; len++;
} else { } else {
if (len == 0) {
return NGX_DECLINED;
}
*p = (u_char) len; *p = (u_char) len;
len = 0; len = 0;
} }