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Nginx: Fixed memory leakage

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This commit is contained in:
chaizhenhua 2013-03-28 10:20:22 +08:00
parent a87b06f9f0
commit 6934acf0e1
1 changed files with 31 additions and 14 deletions
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45
nginx/modsecurity/ngx_http_modsecurity.c
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@ -139,6 +139,23 @@ static struct {
};
static inline u_char *
ngx_pstrdup0(ngx_pool_t *pool, ngx_str_t *src)
{
u_char *dst;
dst = ngx_pnalloc(pool, src->len + 1);
if (dst == NULL) {
return NULL;
}
ngx_memcpy(dst, src->data, src->len);
dst[src->len] = '\0';
return dst;
}
static inline int ngx_http_modsecurity_method_number(unsigned int nginx)
{
/*
@ -195,7 +212,7 @@ ngx_http_modsecurity_load_request(ngx_http_request_t *r)
req = ctx->req;
/* request line */
req->method = (char *)ngx_pstrdup(r->pool, &r->method_name);
req->method = (char *)ngx_pstrdup0(r->pool, &r->method_name);
/* TODO: how to use ap_method_number_of ?
* req->method_number = ap_method_number_of(req->method);
@ -211,15 +228,15 @@ ngx_http_modsecurity_load_request(ngx_http_request_t *r)
req->filename = (char *) path.data;
req->path_info = req->filename;
req->args = (char *)ngx_pstrdup(r->pool, &r->args);
req->args = (char *)ngx_pstrdup0(r->pool, &r->args);
req->proto_num = r->http_major *1000 + r->http_minor;
req->protocol = (char *)ngx_pstrdup(r->pool, &r->http_protocol);
req->protocol = (char *)ngx_pstrdup0(r->pool, &r->http_protocol);
req->request_time = apr_time_make(r->start_sec, r->start_msec);
req->the_request = (char *)ngx_pstrdup(r->pool, &r->request_line);
req->the_request = (char *)ngx_pstrdup0(r->pool, &r->request_line);
req->unparsed_uri = (char *)ngx_pstrdup(r->pool, &r->unparsed_uri);
req->uri = (char *)ngx_pstrdup(r->pool, &r->uri);
req->unparsed_uri = (char *)ngx_pstrdup0(r->pool, &r->unparsed_uri);
req->uri = (char *)ngx_pstrdup0(r->pool, &r->uri);
req->parsed_uri.scheme = "http";
@ -235,17 +252,17 @@ ngx_http_modsecurity_load_request(ngx_http_request_t *r)
str.data = r->port_start;
str.len = r->port_end - r->port_start;
req->parsed_uri.port = ngx_atoi(str.data, str.len);
req->parsed_uri.port_str = (char *)ngx_pstrdup(r->pool, &str);
req->parsed_uri.port_str = (char *)ngx_pstrdup0(r->pool, &str);
req->parsed_uri.query = req->args;
req->parsed_uri.dns_looked_up = 0;
req->parsed_uri.dns_resolved = 0;
// req->parsed_uri.password = (char *)ngx_pstrdup(r->pool, &r->headers_in.passwd);
// req->parsed_uri.user = (char *)ngx_pstrdup(r->pool, &r->headers_in.user);
req->parsed_uri.fragment = (char *)ngx_pstrdup(r->pool, &r->exten);
// req->parsed_uri.password = (char *)ngx_pstrdup0(r->pool, &r->headers_in.passwd);
// req->parsed_uri.user = (char *)ngx_pstrdup0(r->pool, &r->headers_in.user);
req->parsed_uri.fragment = (char *)ngx_pstrdup0(r->pool, &r->exten);
req->hostname = (char *)ngx_pstrdup(r->pool, (ngx_str_t *)&ngx_cycle->hostname);
req->hostname = (char *)ngx_pstrdup0(r->pool, (ngx_str_t *)&ngx_cycle->hostname);
req->header_only = r->header_only ? r->header_only : (r->method == NGX_HTTP_HEAD);
@ -307,7 +324,7 @@ ngx_http_modsecurity_load_headers_in(ngx_http_request_t *r)
req->ap_auth_type = (char *)apr_table_get(req->headers_in, "Authorization");
req->user = (char *)ngx_pstrdup(r->pool, &r->headers_in.user);
req->user = (char *)ngx_pstrdup0(r->pool, &r->headers_in.user);
@ -580,7 +597,7 @@ ngx_http_modsecurity_load_headers_out(ngx_http_request_t *r)
req = ctx->req;
req->status = r->headers_out.status;
req->status_line = (char *)ngx_pstrdup(r->pool, &r->headers_out.status_line);
req->status_line = (char *)ngx_pstrdup0(r->pool, &r->headers_out.status_line);
if (r->headers_out.charset.len) {
@ -1217,7 +1234,7 @@ ngx_http_modsecurity_create_ctx(ngx_http_request_t *r)
/* fill apr_sockaddr_t */
asa = ngx_palloc(r->pool, sizeof(apr_sockaddr_t));
asa->pool = ctx->connection->pool;
asa->hostname = (char *)ngx_pstrdup(r->pool, &r->connection->addr_text);
asa->hostname = (char *)ngx_pstrdup0(r->pool, &r->connection->addr_text);
asa->servname = asa->hostname;
asa->next = NULL;
asa->salen = r->connection->socklen;