github-repos/wget
1
0
Fork 0
mirror of https://github.com/mirror/wget.git synced 2025-01-01 07:50:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

* src/cookies.c (cookie_header): Remove use of alloca

Browse Source
This commit is contained in:
Tim Rühsen 2020-02-14 12:43:12 +01:00
parent f071030659
commit d61d82c43c
1 changed files with 27 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/cookies.c
View File

@ -1071,9 +1071,9 @@ cookie_header (struct cookie_jar *jar, const char *host,
struct cookie *cookie;
struct weighed_cookie *outgoing;
size_t count, i, ocnt;
char *result;
char *result = NULL;
int result_size, pos;
PREPEND_SLASH (path); /* see cookie_handle_set_cookie */
char pathbuf[1024];
/* First, find the cookie chains whose domains match HOST. */
@ -1087,6 +1087,23 @@ cookie_header (struct cookie_jar *jar, const char *host,
if (chain_count <= 0)
return NULL;
/* Wget's paths don't begin with '/' (blame rfc1808), but cookie
usage assumes /-prefixed paths. Until the rest of Wget is fixed,
simply prepend slash to PATH. */
{
char *tmp;
size_t pathlen = strlen(path);
if (pathlen < sizeof (pathbuf) - 1)
tmp = pathbuf;
else
tmp = xmalloc (pathlen + 2);
*tmp = '/';
memcpy (tmp + 1, path, pathlen + 1);
path = tmp;
}
cookies_now = time (NULL);
/* Now extract from the chains those cookies that match our host
@ -1100,11 +1117,11 @@ cookie_header (struct cookie_jar *jar, const char *host,
if (cookie_matches_url (cookie, host, port, path, secflag, NULL))
++count;
if (!count)
return NULL; /* no cookies matched */
goto out; /* no cookies matched */
/* Allocate the array. */
if (count > SIZE_MAX / sizeof (struct weighed_cookie))
return NULL; /* unable to process so many cookies */
goto out; /* unable to process so many cookies */
outgoing = xmalloc (count * sizeof (struct weighed_cookie));
/* Fill the array with all the matching cookies from the chains that
@ -1167,7 +1184,12 @@ cookie_header (struct cookie_jar *jar, const char *host,
result[pos++] = '\0';
xfree (outgoing);
assert (pos == result_size);
return result;
out:
if (path != pathbuf)
xfree (path);
return result;
}
/* Support for loading and saving cookies. The format used for