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Merge branch 'maint-0.3.1'

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This commit is contained in:
Nick Mathewson 2017-09-08 08:24:47 -04:00
commit ad3f0953e6
2 changed files with 17 additions and 4 deletions
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5
changes/bug22644 Normal file
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@ -0,0 +1,5 @@
o Minor bugfixes (controller):
- Do not crash when receiving a POSTDESCRIPTOR command with an
empty body. Fixes part of bug 22644; bugfix on 0.2.0.1-alpha.
- Do not crash when receiving a HSPOST command with an empty body.
Fixes part of bug 22644; bugfix on 0.2.7.1-alpha.

16
src/or/control.c
View File

@ -3633,12 +3633,15 @@ handle_control_postdescriptor(control_connection_t *conn, uint32_t len,
int cache = 0; /* eventually, we may switch this to 1 */
const char *cp = memchr(body, '\n', len);
smartlist_t *args = smartlist_new();
tor_assert(cp);
if (cp == NULL) {
connection_printf_to_buf(conn, "251 Empty body\r\n");
return 0;
}
++cp;
char *cmdline = tor_memdup_nulterm(body, cp-body);
smartlist_t *args = smartlist_new();
smartlist_split_string(args, cmdline, " ",
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
SMARTLIST_FOREACH_BEGIN(args, char *, option) {
@ -4231,14 +4234,19 @@ handle_control_hspost(control_connection_t *conn,
const char *body)
{
static const char *opt_server = "SERVER=";
smartlist_t *args = smartlist_new();
smartlist_t *hs_dirs = NULL;
const char *encoded_desc = body;
size_t encoded_desc_len = len;
char *cp = memchr(body, '\n', len);
if (cp == NULL) {
connection_printf_to_buf(conn, "251 Empty body\r\n");
return 0;
}
char *argline = tor_strndup(body, cp-body);
smartlist_t *args = smartlist_new();
/* If any SERVER= options were specified, try parse the options line */
if (!strcasecmpstart(argline, opt_server)) {
/* encoded_desc begins after a newline character */