diff options
Diffstat (limited to 'src/systemd/src/libsystemd-network/sd-dhcp-lease.c')
| -rw-r--r-- | src/systemd/src/libsystemd-network/sd-dhcp-lease.c | 75 |
1 files changed, 30 insertions, 45 deletions
diff --git a/src/systemd/src/libsystemd-network/sd-dhcp-lease.c b/src/systemd/src/libsystemd-network/sd-dhcp-lease.c index 8359d077ee..39d2a6d082 100644 --- a/src/systemd/src/libsystemd-network/sd-dhcp-lease.c +++ b/src/systemd/src/libsystemd-network/sd-dhcp-lease.c @@ -152,15 +152,15 @@ int sd_dhcp_lease_get_root_path(sd_dhcp_lease *lease, const char **root_path) { return 0; } -int sd_dhcp_lease_get_router(sd_dhcp_lease *lease, struct in_addr *addr) { +int sd_dhcp_lease_get_router(sd_dhcp_lease *lease, const struct in_addr **addr) { assert_return(lease, -EINVAL); assert_return(addr, -EINVAL); - if (lease->router == 0) + if (lease->router_size <= 0) return -ENODATA; - addr->s_addr = lease->router; - return 0; + *addr = lease->router; + return (int) lease->router_size; } int sd_dhcp_lease_get_netmask(sd_dhcp_lease *lease, struct in_addr *addr) { @@ -262,6 +262,7 @@ static sd_dhcp_lease *dhcp_lease_free(sd_dhcp_lease *lease) { } free(lease->root_path); + free(lease->router); free(lease->timezone); free(lease->hostname); free(lease->domainname); @@ -371,23 +372,6 @@ static int lease_parse_domain(const uint8_t *option, size_t len, char **ret) { return 0; } -static void filter_bogus_addresses(struct in_addr *addresses, size_t *n) { - size_t i, j; - - /* Silently filter DNS/NTP servers supplied to us that do not make outside of the local scope. */ - - for (i = 0, j = 0; i < *n; i ++) { - - if (in4_addr_is_null(addresses+i) || - in4_addr_is_localhost(addresses+i)) - continue; - - addresses[j++] = addresses[i]; - } - - *n = j; -} - static int lease_parse_in_addrs(const uint8_t *option, size_t len, struct in_addr **ret, size_t *n_ret) { assert(option); assert(ret); @@ -409,8 +393,6 @@ static int lease_parse_in_addrs(const uint8_t *option, size_t len, struct in_add if (!addresses) return -ENOMEM; - filter_bogus_addresses(addresses, &n_addresses); - free(*ret); *ret = addresses; *n_ret = n_addresses; @@ -555,11 +537,9 @@ int dhcp_lease_parse_options(uint8_t code, uint8_t len, const void *option, void break; case SD_DHCP_OPTION_ROUTER: - if (len >= 4) { - r = lease_parse_be32(option, 4, &lease->router); - if (r < 0) - log_debug_errno(r, "Failed to parse router address, ignoring: %m"); - } + r = lease_parse_in_addrs(option, len, &lease->router, &lease->router_size); + if (r < 0) + log_debug_errno(r, "Failed to parse router addresses, ignoring: %m"); break; case SD_DHCP_OPTION_DOMAIN_NAME_SERVER: @@ -821,7 +801,6 @@ int dhcp_lease_new(sd_dhcp_lease **ret) { if (!lease) return -ENOMEM; - lease->router = INADDR_ANY; lease->n_ref = 1; *ret = lease; @@ -836,6 +815,7 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) { const struct in_addr *addresses; const void *client_id, *data; size_t client_id_len, data_len; + char sbuf[INET_ADDRSTRLEN]; const char *string; uint16_t mtu; _cleanup_free_ sd_dhcp_route **routes = NULL; @@ -858,27 +838,30 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) { r = sd_dhcp_lease_get_address(lease, &address); if (r >= 0) - fprintf(f, "ADDRESS=%s\n", inet_ntoa(address)); + fprintf(f, "ADDRESS=%s\n", inet_ntop(AF_INET, &address, sbuf, sizeof(sbuf))); r = sd_dhcp_lease_get_netmask(lease, &address); if (r >= 0) - fprintf(f, "NETMASK=%s\n", inet_ntoa(address)); + fprintf(f, "NETMASK=%s\n", inet_ntop(AF_INET, &address, sbuf, sizeof(sbuf))); - r = sd_dhcp_lease_get_router(lease, &address); - if (r >= 0) - fprintf(f, "ROUTER=%s\n", inet_ntoa(address)); + r = sd_dhcp_lease_get_router(lease, &addresses); + if (r > 0) { + fputs("ROUTER=", f); + serialize_in_addrs(f, addresses, r, false, NULL); + fputc('\n', f); + } r = sd_dhcp_lease_get_server_identifier(lease, &address); if (r >= 0) - fprintf(f, "SERVER_ADDRESS=%s\n", inet_ntoa(address)); + fprintf(f, "SERVER_ADDRESS=%s\n", inet_ntop(AF_INET, &address, sbuf, sizeof(sbuf))); r = sd_dhcp_lease_get_next_server(lease, &address); if (r >= 0) - fprintf(f, "NEXT_SERVER=%s\n", inet_ntoa(address)); + fprintf(f, "NEXT_SERVER=%s\n", inet_ntop(AF_INET, &address, sbuf, sizeof(sbuf))); r = sd_dhcp_lease_get_broadcast(lease, &address); if (r >= 0) - fprintf(f, "BROADCAST=%s\n", inet_ntoa(address)); + fprintf(f, "BROADCAST=%s\n", inet_ntop(AF_INET, &address, sbuf, sizeof(sbuf))); r = sd_dhcp_lease_get_mtu(lease, &mtu); if (r >= 0) @@ -899,15 +882,15 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) { r = sd_dhcp_lease_get_dns(lease, &addresses); if (r > 0) { fputs("DNS=", f); - serialize_in_addrs(f, addresses, r); - fputs("\n", f); + serialize_in_addrs(f, addresses, r, false, NULL); + fputc('\n', f); } r = sd_dhcp_lease_get_ntp(lease, &addresses); if (r > 0) { fputs("NTP=", f); - serialize_in_addrs(f, addresses, r); - fputs("\n", f); + serialize_in_addrs(f, addresses, r, false, NULL); + fputc('\n', f); } r = sd_dhcp_lease_get_domainname(lease, &string); @@ -918,7 +901,7 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) { if (r > 0) { fputs("DOMAIN_SEARCH_LIST=", f); fputstrv(f, search_domains, NULL, NULL); - fputs("\n", f); + fputc('\n', f); } r = sd_dhcp_lease_get_hostname(lease, &string); @@ -1081,9 +1064,11 @@ int dhcp_lease_load(sd_dhcp_lease **ret, const char *lease_file) { } if (router) { - r = inet_pton(AF_INET, router, &lease->router); - if (r <= 0) - log_debug("Failed to parse router %s, ignoring.", router); + r = deserialize_in_addrs(&lease->router, router); + if (r < 0) + log_debug_errno(r, "Failed to deserialize router addresses %s, ignoring: %m", router); + else + lease->router_size = r; } if (netmask) { |