| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <errno.h> |
| #include <sys/socket.h> |
| #include <unistd.h> |
| |
| #include "alloc-util.h" |
| #include "fuzz.h" |
| #include "sd-event.h" |
| |
| #include "sd-dhcp-client.c" |
| |
| int dhcp_network_bind_raw_socket( |
| int ifindex, |
| union sockaddr_union *link, |
| uint32_t id, |
| const struct hw_addr_data *hw_addr, |
| const struct hw_addr_data *bcast_addr, |
| uint16_t arp_type, |
| uint16_t port, |
| bool so_priority_set, |
| int so_priority) { |
| |
| int fd; |
| fd = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0); |
| if (fd < 0) |
| return -errno; |
| |
| return fd; |
| } |
| |
| int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, const void *packet, size_t len) { |
| return len; |
| } |
| |
| int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int ip_service_type) { |
| int fd; |
| |
| fd = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0); |
| if (fd < 0) |
| return -errno; |
| |
| return fd; |
| } |
| |
| int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port, const void *packet, size_t len) { |
| return len; |
| } |
| |
| int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'}; |
| uint8_t bcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; |
| _cleanup_(sd_dhcp_client_unrefp) sd_dhcp_client *client = NULL; |
| _cleanup_(sd_event_unrefp) sd_event *e = NULL; |
| int res, r; |
| |
| if (!getenv("SYSTEMD_LOG_LEVEL")) |
| log_set_max_level(LOG_CRIT); |
| |
| r = sd_dhcp_client_new(&client, false); |
| assert_se(r >= 0); |
| assert_se(client); |
| |
| assert_se(sd_event_new(&e) >= 0); |
| |
| r = sd_dhcp_client_attach_event(client, e, 0); |
| assert_se(r >= 0); |
| |
| assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0); |
| assert_se(sd_dhcp_client_set_mac(client, mac_addr, bcast_addr, ETH_ALEN, ARPHRD_ETHER) >= 0); |
| dhcp_client_set_test_mode(client, true); |
| |
| res = sd_dhcp_client_start(client); |
| assert_se(IN_SET(res, 0, -EINPROGRESS)); |
| client->xid = 2; |
| |
| (void) client_handle_offer(client, (DHCPMessage*) data, size); |
| |
| assert_se(sd_dhcp_client_stop(client) >= 0); |
| |
| return 0; |
| } |