diff options
| -rw-r--r-- | os/access.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/os/access.c b/os/access.c index 5c510ded2..f393c8d54 100644 --- a/os/access.c +++ b/os/access.c @@ -1296,6 +1296,10 @@ GetHosts(void **data, int *pnHosts, int *pLen, BOOL * pEnabled) for (host = validhosts; host; host = host->next) { nHosts++; n += pad_to_int32(host->len) + sizeof(xHostEntry); + /* Could check for INT_MAX, but in reality having more than 1mb of + hostnames in the access list is ridiculous */ + if (n >= 1048576) + break; } if (n) { *data = ptr = malloc(n); @@ -1304,6 +1308,8 @@ GetHosts(void **data, int *pnHosts, int *pLen, BOOL * pEnabled) } for (host = validhosts; host; host = host->next) { len = host->len; + if ((ptr + sizeof(xHostEntry) + len) > (data + n)) + break; ((xHostEntry *) ptr)->family = host->family; ((xHostEntry *) ptr)->length = len; ptr += sizeof(xHostEntry); |