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Error if proxy ports are too big

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This commit is contained in:
Mark Andrews 2024-01-08 13:03:58 +11:00
parent c60fad36dc
commit bb75676f90
1 changed files with 7 additions and 1 deletions
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8
bin/dig/dig.c
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@ -1151,13 +1151,19 @@ proxy_handle_port_string(const char *port_start, const size_t port_len,
in_port_t *pport) {
char buf[512] = { 0 }; /* max */
size_t string_size = 0, max_string_bytes = 0;
unsigned int tmp;
isc_result_t result;
string_size = port_len + 1;
max_string_bytes = string_size > sizeof(buf) ? sizeof(buf)
: string_size;
(void)strlcpy(buf, port_start, max_string_bytes);
*pport = (in_port_t)atoi(buf);
result = parse_uint(&tmp, buf, MAXPORT, "port number");
if (result != ISC_R_SUCCESS) {
fatal("Couldn't parse port number");
}
*pport = tmp;
}
static isc_result_t