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httpd: free big buffer after use; improve grep-ability of 'headers' variable

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This commit is contained in:
Denis Vlasenko 2007-10-18 13:01:22 +00:00
parent f74194e942
commit 34cd7afc49
1 changed files with 17 additions and 16 deletions
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33
networking/httpd.c
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@ -1759,8 +1759,8 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
char http_major_version;
#if ENABLE_FEATURE_HTTPD_PROXY
char http_minor_version;
char *headers = headers;
char *headers_ptr = headers_ptr;
char *header_buf = header_buf; /* for gcc */
char *header_ptr = header_ptr;
Htaccess_Proxy *proxy_entry;
#endif
struct sigaction sa;
@ -1916,7 +1916,7 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
#if ENABLE_FEATURE_HTTPD_PROXY
proxy_entry = find_proxy_entry(urlcopy);
if (proxy_entry)
headers = headers_ptr = xmalloc(IOBUF_SIZE);
header_buf = header_ptr = xmalloc(IOBUF_SIZE);
#endif
if (http_major_version >= '0') {
@ -1932,16 +1932,16 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
#if ENABLE_FEATURE_HTTPD_PROXY
/* We need 2 more bytes for yet another "\r\n" -
* see fdprintf(proxy_fd...) further below */
if (proxy_entry && headers_ptr - headers < IOBUF_SIZE - 2) {
* see near fdprintf(proxy_fd...) further below */
if (proxy_entry && (header_ptr - header_buf) < IOBUF_SIZE - 2) {
int len = strlen(iobuf);
if (len > IOBUF_SIZE - (headers_ptr - headers) - 4)
len = IOBUF_SIZE - (headers_ptr - headers) - 4;
memcpy(headers_ptr, iobuf, len);
headers_ptr += len;
headers_ptr[0] = '\r';
headers_ptr[1] = '\n';
headers_ptr += 2;
if (len > IOBUF_SIZE - (header_ptr - header_buf) - 4)
len = IOBUF_SIZE - (header_ptr - header_buf) - 4;
memcpy(header_ptr, iobuf, len);
header_ptr += len;
header_ptr[0] = '\r';
header_ptr[1] = '\n';
header_ptr += 2;
}
#endif
@ -2048,10 +2048,11 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
(g_query ? "?" : ""), /* "?" (maybe) */
(g_query ? g_query : ""), /* query string (maybe) */
http_major_version, http_minor_version);
headers_ptr[0] = '\r';
headers_ptr[1] = '\n';
headers_ptr += 2;
write(proxy_fd, headers, headers_ptr - headers);
header_ptr[0] = '\r';
header_ptr[1] = '\n';
header_ptr += 2;
write(proxy_fd, header_buf, header_ptr - header_buf);
free(header_buf); /* on the order of 8k, free it */
/* cgi_io_loop_and_exit needs to have two disctinct fds */
cgi_io_loop_and_exit(proxy_fd, dup(proxy_fd), length);
}