Adding upstream version 1.8.upstream/1.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/test/mock-ifaddrs.c b/test/mock-ifaddrs.c
new file mode 100644
index 0000000..87a2e50
--- /dev/null
+++ b/test/mock-ifaddrs.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/**
+ * This file is part of libnvme.
+ * Copyright (c) 2023 Martin Belanger, Dell Technologies Inc.
+ */
+#include <sys/types.h>
+#include <ifaddrs.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+
+struct ifaddrs_storage {
+	struct ifaddrs ifa;
+	union {
+		/* Reserve space for the biggest of the sockaddr types */
+		struct sockaddr_in  s4;
+		struct sockaddr_in6 s6;
+	} addr, netmask, broadaddr;
+	char name[IF_NAMESIZE + 1];
+};
+
+static void init_entry(struct ifaddrs_storage *storage,
+		       const char *ifname,
+		       int family,
+		       uint32_t addr1,
+		       uint32_t addr2,
+		       uint32_t addr3,
+		       uint32_t addr4,
+		       bool last)
+{
+	struct ifaddrs *p;
+
+	p = &storage->ifa;
+	p->ifa_next = last ? NULL : &storage[1].ifa;
+	p->ifa_name = storage->name;
+	strcpy(p->ifa_name, ifname);
+	p->ifa_flags = 0;
+
+	if (family == AF_INET) {
+		struct sockaddr_in *ipv4;
+
+		ipv4 = &storage->addr.s4;
+		ipv4->sin_family = family;
+		ipv4->sin_port = 0;
+		ipv4->sin_addr.s_addr = htonl(addr1);
+		p->ifa_addr = (struct sockaddr *)ipv4;
+
+		ipv4 = &storage->netmask.s4;
+		ipv4->sin_family = family;
+		ipv4->sin_port = 0;
+		ipv4->sin_addr.s_addr = 0xffffff00;
+		p->ifa_netmask = (struct sockaddr *)ipv4;
+
+		ipv4 = &storage->broadaddr.s4;
+		ipv4->sin_family = family;
+		ipv4->sin_port = 0;
+		ipv4->sin_addr.s_addr = 0;
+		p->ifa_broadaddr = (struct sockaddr *)ipv4;;
+	} else {
+		struct sockaddr_in6 *ipv6;
+
+		ipv6 = &storage->addr.s6;
+		ipv6->sin6_family = family;
+		ipv6->sin6_port = 0;
+		ipv6->sin6_flowinfo = 0;
+		ipv6->sin6_addr.s6_addr32[0] = htonl(addr1);
+		ipv6->sin6_addr.s6_addr32[1] = htonl(addr2);
+		ipv6->sin6_addr.s6_addr32[2] = htonl(addr3);
+		ipv6->sin6_addr.s6_addr32[3] = htonl(addr4);
+		ipv6->sin6_scope_id = 0;
+		p->ifa_addr = (struct sockaddr *)ipv6;
+
+		ipv6 = &storage->netmask.s6;
+		ipv6->sin6_family = family;
+		ipv6->sin6_port = 0;
+		ipv6->sin6_flowinfo = 0;
+		ipv6->sin6_addr.s6_addr32[0] = 0xffffffff;
+		ipv6->sin6_addr.s6_addr32[1] = 0xffffffff;
+		ipv6->sin6_addr.s6_addr32[2] = 0xffffffff;
+		ipv6->sin6_addr.s6_addr32[3] = 0;
+		ipv6->sin6_scope_id = 0;
+		p->ifa_netmask = (struct sockaddr *)ipv6;
+
+		ipv6 = &storage->broadaddr.s6;
+		ipv6->sin6_family = family;
+		ipv6->sin6_port = 0;
+		ipv6->sin6_flowinfo = 0;
+		ipv6->sin6_addr.s6_addr32[0] = 0;
+		ipv6->sin6_addr.s6_addr32[1] = 0;
+		ipv6->sin6_addr.s6_addr32[2] = 0;
+		ipv6->sin6_addr.s6_addr32[3] = 0;
+		ipv6->sin6_scope_id = 0;
+		p->ifa_broadaddr = (struct sockaddr *)ipv6;
+	}
+
+	p->ifa_data = NULL;
+}
+
+int getifaddrs(struct ifaddrs **ifap) {
+	struct ifaddrs_storage *storage;
+
+	/* Allocate memory for 4 interfaces */
+	storage = (struct ifaddrs_storage *)calloc(4, sizeof(struct ifaddrs_storage));
+	*ifap = &storage[0].ifa;
+
+	init_entry(&storage[0], "eth0", AF_INET, 0xc0a80114, 0, 0, 0, false); /* 192.168.1.20 */
+	init_entry(&storage[1], "eth0", AF_INET6, 0xfe800000, 0, 0, 0xdeadbeef, false); /* fe80::dead:beef */
+
+	/* Loopback interface */
+	init_entry(&storage[2], "lo", AF_INET, 0x7f000001, 0, 0, 0, false); /* 127.0.0.1 */
+	init_entry(&storage[3], "lo", AF_INET6, 0, 0, 0, 1, true); /* ::1 */
+
+	return 0;
+}
+
+void freeifaddrs(struct ifaddrs *ifa) {
+	free(ifa);
+}
+