2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/client/dhc6.c.PPP dhcp-4.2.4b1/client/dhc6.c
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--- dhcp-4.2.4b1/client/dhc6.c.PPP 2012-04-16 17:37:23.243618764 +0200
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+++ dhcp-4.2.4b1/client/dhc6.c 2012-04-16 17:37:23.252618638 +0200
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@@ -133,7 +133,7 @@ extern int stateless;
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2010-11-09 16:00:03 +00:00
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* is not how it is intended. Upcoming rearchitecting the client should
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* address this "one daemon model."
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*/
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-void
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+isc_result_t
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form_duid(struct data_string *duid, const char *file, int line)
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{
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struct interface_info *ip;
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2012-04-17 09:46:32 +00:00
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@@ -145,6 +145,15 @@ form_duid(struct data_string *duid, cons
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2010-11-09 16:00:03 +00:00
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if (ip == NULL)
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log_fatal("Impossible condition at %s:%d.", MDL);
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+ while (ip && ip->hw_address.hbuf[0] == HTYPE_RESERVED) {
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+ /* Try the other interfaces */
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+ log_debug("Cannot form default DUID from interface %s.", ip->name);
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+ ip = ip->next;
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+ }
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+ if (ip == NULL) {
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+ return ISC_R_UNEXPECTED;
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+ }
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+
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if ((ip->hw_address.hlen == 0) ||
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(ip->hw_address.hlen > sizeof(ip->hw_address.hbuf)))
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log_fatal("Impossible hardware address length at %s:%d.", MDL);
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2012-04-17 09:46:32 +00:00
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@@ -180,6 +189,8 @@ form_duid(struct data_string *duid, cons
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2010-11-09 16:00:03 +00:00
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memcpy(duid->buffer->data + 4, ip->hw_address.hbuf + 1,
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ip->hw_address.hlen - 1);
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}
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+
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+ return ISC_R_SUCCESS;
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}
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/*
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2012-04-17 09:46:32 +00:00
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@@ -5130,7 +5141,8 @@ make_client6_options(struct client_state
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2010-11-09 16:00:03 +00:00
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*/
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if ((oc = lookup_option(&dhcpv6_universe, *op,
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D6O_CLIENTID)) == NULL) {
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- if (!option_cache(&oc, &default_duid, NULL, clientid_option,
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+ if (default_duid.len == 0 ||
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+ !option_cache(&oc, &default_duid, NULL, clientid_option,
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MDL))
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log_fatal("Failure assembling a DUID.");
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/client/dhclient.c.PPP dhcp-4.2.4b1/client/dhclient.c
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--- dhcp-4.2.4b1/client/dhclient.c.PPP 2012-04-16 17:37:23.214619170 +0200
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+++ dhcp-4.2.4b1/client/dhclient.c 2012-04-16 17:37:23.254618610 +0200
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@@ -919,8 +919,8 @@ main(int argc, char **argv) {
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2010-11-09 16:00:03 +00:00
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if (default_duid.buffer != NULL)
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data_string_forget(&default_duid, MDL);
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- form_duid(&default_duid, MDL);
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- write_duid(&default_duid);
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+ if (form_duid(&default_duid, MDL) == ISC_R_SUCCESS)
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+ write_duid(&default_duid);
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}
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for (ip = interfaces ; ip != NULL ; ip = ip->next) {
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/common/bpf.c.PPP dhcp-4.2.4b1/common/bpf.c
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--- dhcp-4.2.4b1/common/bpf.c.PPP 2012-04-16 17:37:23.175619716 +0200
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+++ dhcp-4.2.4b1/common/bpf.c 2012-04-16 17:37:23.255618596 +0200
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2010-11-09 16:00:03 +00:00
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@@ -599,6 +599,22 @@ get_hw_addr(const char *name, struct har
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memcpy(&hw->hbuf[1], LLADDR(sa), sa->sdl_alen);
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break;
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#endif /* IFT_FDDI */
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+#if defined(IFT_PPP)
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+ case IFT_PPP:
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+ if (local_family != AF_INET6)
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+ log_fatal("Unsupported device type %d for \"%s\"",
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+ sa->sdl_type, name);
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+ hw->hlen = 0;
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+ hw->hbuf[0] = HTYPE_RESERVED;
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+ /* 0xdeadbeef should never occur on the wire,
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+ * and is a signature that something went wrong.
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+ */
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+ hw->hbuf[1] = 0xde;
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+ hw->hbuf[2] = 0xad;
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+ hw->hbuf[3] = 0xbe;
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+ hw->hbuf[4] = 0xef;
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+ break;
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+#endif
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default:
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log_fatal("Unsupported device type %d for \"%s\"",
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sa->sdl_type, name);
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/common/lpf.c.PPP dhcp-4.2.4b1/common/lpf.c
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--- dhcp-4.2.4b1/common/lpf.c.PPP 2012-04-16 17:37:23.155619996 +0200
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+++ dhcp-4.2.4b1/common/lpf.c 2012-04-16 17:37:23.256618582 +0200
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@@ -503,6 +503,22 @@ get_hw_addr(const char *name, struct har
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2010-11-09 16:00:03 +00:00
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hw->hbuf[0] = HTYPE_FDDI;
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memcpy(&hw->hbuf[1], sa->sa_data, 16);
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break;
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+#if defined(ARPHRD_PPP)
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+ case ARPHRD_PPP:
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+ if (local_family != AF_INET6)
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+ log_fatal("Unsupported device type %d for \"%s\"",
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+ sa->sa_family, name);
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+ hw->hlen = 0;
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+ hw->hbuf[0] = HTYPE_RESERVED;
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+ /* 0xdeadbeef should never occur on the wire,
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+ * and is a signature that something went wrong.
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+ */
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+ hw->hbuf[1] = 0xde;
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+ hw->hbuf[2] = 0xad;
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+ hw->hbuf[3] = 0xbe;
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+ hw->hbuf[4] = 0xef;
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+ break;
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+#endif
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default:
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log_fatal("Unsupported device type %ld for \"%s\"",
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(long int)sa->sa_family, name);
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/includes/dhcpd.h.PPP dhcp-4.2.4b1/includes/dhcpd.h
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--- dhcp-4.2.4b1/includes/dhcpd.h.PPP 2012-04-16 17:37:23.239618820 +0200
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+++ dhcp-4.2.4b1/includes/dhcpd.h 2012-04-16 17:37:23.257618568 +0200
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@@ -2760,7 +2760,7 @@ void dhcpv4_client_assignments(void);
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2010-11-09 16:00:03 +00:00
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void dhcpv6_client_assignments(void);
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/* dhc6.c */
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-void form_duid(struct data_string *duid, const char *file, int line);
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+isc_result_t form_duid(struct data_string *duid, const char *file, int line);
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void dhc6_lease_destroy(struct dhc6_lease **src, const char *file, int line);
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void start_init6(struct client_state *client);
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void start_info_request6(struct client_state *client);
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/includes/dhcp.h.PPP dhcp-4.2.4b1/includes/dhcp.h
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--- dhcp-4.2.4b1/includes/dhcp.h.PPP 2012-04-16 17:37:23.000000000 +0200
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+++ dhcp-4.2.4b1/includes/dhcp.h 2012-04-16 17:38:34.675618138 +0200
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@@ -85,6 +85,8 @@ struct dhcp_packet {
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* is no standard for this so we
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* just steal a type */
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2010-11-09 16:00:03 +00:00
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2012-04-17 09:46:32 +00:00
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+#define HTYPE_RESERVED 0 /* RFC 5494 */
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2010-11-09 16:00:03 +00:00
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+
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/* Magic cookie validating dhcp options field (and bootp vendor
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extensions field). */
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#define DHCP_OPTIONS_COOKIE "\143\202\123\143"
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2012-04-17 09:46:32 +00:00
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diff -up dhcp-4.2.4b1/server/dhcpv6.c.PPP dhcp-4.2.4b1/server/dhcpv6.c
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--- dhcp-4.2.4b1/server/dhcpv6.c.PPP 2012-04-16 17:37:23.218619114 +0200
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+++ dhcp-4.2.4b1/server/dhcpv6.c 2012-04-16 17:37:23.260618526 +0200
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2010-11-09 16:00:03 +00:00
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@@ -300,6 +300,9 @@ generate_new_server_duid(void) {
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if (p->hw_address.hlen > 0) {
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break;
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}
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+ if (p->next == NULL && p->hw_address.hbuf[0] == HTYPE_RESERVED) {
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+ log_error("Can not generate DUID from interfaces which do not have hardware addresses, please configure server-duid!");
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+ }
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}
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if (p == NULL) {
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return ISC_R_UNEXPECTED;
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