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allocator_thread: fix asserts on invalid hostname lengths

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closes #621
This commit is contained in:
rofl0r
2026-08-27 14:05:59 +00:00
parent ebf57026f4
commit ae515cd95a
1 changed files with 4 additions and 3 deletions
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7
src/allocator_thread.c
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@@ -246,7 +246,7 @@ static void* threadfunc(void* x) {
char *host = string_from_internal_ip(msg.m.ip);
if(host) {
size_t l = strlen(host);
assert(l+1 < MSG_LEN_MAX);
assert(l+1 <= MSG_LEN_MAX);
memcpy(msg.m.host, host, l + 1);
msg.h.datalen = l + 1;
} else {
@@ -268,9 +268,10 @@ static void* threadfunc(void* x) {
ip_type4 at_get_ip_for_host(char* host, size_t len) {
ip_type4 readbuf;
struct at_msg msg = {.h.msgtype = ATM_GETIP };
MUTEX_LOCK(internal_ips_lock);
if(len > MSG_LEN_MAX) goto inv;
struct at_msg msg = {.h.msgtype = ATM_GETIP, .h.datalen = len + 1 };
if(len >= MSG_LEN_MAX) goto inv;
msg.h.datalen = len + 1;
memcpy(msg.m.host, host, len+1);
if(sendmessage(ATD_SERVER, &msg) &&
getmessage(ATD_CLIENT, &msg)) readbuf = msg.m.ip;