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Fix a log-uninitialized-buffer bug.

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Fix for 5647; bugfix on 0.2.1.5-alpha.
This commit is contained in:
Nick Mathewson 2012-04-18 23:02:09 -04:00
parent 2d276ab9d9
commit f6afd4efa6
2 changed files with 5 additions and 2 deletions
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4
changes/bug5647 Normal file
View File

@ -0,0 +1,4 @@
o Major bugfixes:
- Avoid logging uninitialized data when unable to decode a hidden
service descriptor cookie. Fixes bug 5647; bugfix on 0.2.1.5-alpha.

3
src/or/routerparse.c
View File

@ -5056,7 +5056,6 @@ rend_parse_client_keys(strmap_t *parsed_clients, const char *ckstr)
while (!strcmpstart(current_entry, "client-name ")) {
rend_authorized_client_t *parsed_entry;
size_t len;
char descriptor_cookie_base64[REND_DESC_COOKIE_LEN_BASE64+2+1];
char descriptor_cookie_tmp[REND_DESC_COOKIE_LEN+2];
/* Determine end of string. */
const char *eos = strstr(current_entry, "\nclient-name ");
@ -5125,7 +5124,7 @@ rend_parse_client_keys(strmap_t *parsed_clients, const char *ckstr)
tok->args[0], REND_DESC_COOKIE_LEN_BASE64+2+1)
!= REND_DESC_COOKIE_LEN)) {
log_warn(LD_REND, "Descriptor cookie contains illegal characters: "
"%s", descriptor_cookie_base64);
"%s", escaped(tok->args[0]));
goto err;
}
memcpy(parsed_entry->descriptor_cookie, descriptor_cookie_tmp,