Zbigniew Jędrzejewski-Szmek
8e1fc5d939
We can only relay messages, so we can make the name shorter without losing informational value. This makes meson test output look better.
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "fuzz.h"
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#include "sd-dhcp-server.c"
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ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen) {
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return len;
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}
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ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags) {
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return 0;
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}
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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_cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL;
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struct in_addr address = {.s_addr = htobe32(UINT32_C(10) << 24 | UINT32_C(1))};
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union in_addr_union relay_address;
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_cleanup_free_ uint8_t *message = NULL;
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if (size < sizeof(DHCPMessage))
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return 0;
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assert_se(sd_dhcp_server_new(&server, 1) >= 0);
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assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0);
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assert_se(sd_dhcp_server_configure_pool(server, &address, 24, 0, 0) >= 0);
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assert_se(in_addr_from_string(AF_INET, "192.168.5.1", &relay_address) >= 0);
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assert_se(sd_dhcp_server_set_relay_target(server, &relay_address.in) >= 0);
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assert_se(sd_dhcp_server_set_bind_to_interface(server, false) >= 0);
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assert_se(sd_dhcp_server_set_relay_agent_information(server, "string:sample_circuit_id", "string:sample_remote_id") >= 0);
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size_t buflen = size;
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buflen += relay_agent_information_length(server->agent_circuit_id, server->agent_remote_id) + 2;
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assert_se(message = malloc(buflen));
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memcpy(message, data, size);
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server->fd = open("/dev/null", O_RDWR|O_CLOEXEC|O_NOCTTY);
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assert_se(server->fd >= 0);
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(void) dhcp_server_relay_message(server, (DHCPMessage *) message, size - sizeof(DHCPMessage), buflen);
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return 0;
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}
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