#include "conf-parser.h"
#include "net-util.h"
-int address_new(Network *network, Address **ret) {
+int address_new_static(Network *network, unsigned section, Address **ret) {
_cleanup_address_free_ Address *address = NULL;
+ if (section) {
+ uint64_t key = section;
+ address = hashmap_get(network->addresses_by_section, &key);
+ if (address) {
+ *ret = address;
+ address = NULL;
+
+ return 0;
+ }
+ }
+
address = new0(Address, 1);
if (!address)
return -ENOMEM;
address->network = network;
- LIST_PREPEND(addresses, network->addresses, address);
+ LIST_PREPEND(static_addresses, network->static_addresses, address);
+
+ if (section) {
+ address->section = section;
+ hashmap_put(network->addresses_by_section, &address->section, address);
+ }
+
+ *ret = address;
+ address = NULL;
+
+ return 0;
+}
+
+int address_new_dynamic(Address **ret) {
+ _cleanup_address_free_ Address *address = NULL;
+
+ address = new0(Address, 1);
+ if (!address)
+ return -ENOMEM;
*ret = address;
address = NULL;
if (!address)
return;
- LIST_REMOVE(addresses, address->network->addresses, address);
+ if (address->network) {
+ LIST_REMOVE(static_addresses, address->network->static_addresses, address);
+
+ if (address->section)
+ hashmap_remove(address->network->addresses_by_section,
+ &address->section);
+ }
- free(address->label);
free(address);
}
-int address_configure(Manager *manager, Address *address, Link *link) {
+int address_drop(Address *address, Link *link,
+ sd_rtnl_message_handler_t callback) {
+ _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(address);
+ assert(address->family == AF_INET || address->family == AF_INET6);
+ assert(link);
+ assert(link->ifindex > 0);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ r = sd_rtnl_message_addr_new(RTM_DELADDR, link->ifindex, address->family, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_DELADDR message: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
+ if (r < 0) {
+ log_error("Could not set prefixlen: %s", strerror(-r));
+ return r;
+ }
+
+ if (address->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
+ else if (address->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
+ if (r < 0) {
+ log_error("Could not append IFA_LOCAL attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
+int address_configure(Address *address, Link *link,
+ sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
+ assert(address);
+ assert(address->family == AF_INET || address->family == AF_INET6);
+ assert(link);
+ assert(link->ifindex > 0);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
r = sd_rtnl_message_addr_new(RTM_NEWADDR, link->ifindex,
- address->family, address->prefixlen,
- IFA_F_PERMANENT, RT_SCOPE_UNIVERSE, &req);
+ address->family, &req);
if (r < 0) {
log_error("Could not allocate RTM_NEWADDR message: %s",
strerror(-r));
return r;
}
- r = sd_rtnl_message_append(req, IFA_LOCAL, &address->in_addr);
+ r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
+ if (r < 0) {
+ log_error("Could not set prefixlen: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
+ if (r < 0) {
+ log_error("Could not set flags: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_addr_set_scope(req, RT_SCOPE_UNIVERSE);
+ if (r < 0) {
+ log_error("Could not set scope: %s", strerror(-r));
+ return r;
+ }
+
+ if (address->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
+ else if (address->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
if (r < 0) {
log_error("Could not append IFA_LOCAL attribute: %s",
strerror(-r));
if (address->family == AF_INET) {
struct in_addr broadcast;
- broadcast.s_addr = address->in_addr.in.s_addr |
- htonl(0xfffffffflu >> address->prefixlen);
+ broadcast.s_addr = address->in_addr.in.s_addr | address->netmask.s_addr;
- r = sd_rtnl_message_append(req, IFA_BROADCAST, &broadcast);
+ r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &broadcast);
if (r < 0) {
log_error("Could not append IFA_BROADCAST attribute: %s",
strerror(-r));
}
if (address->label) {
- r = sd_rtnl_message_append(req, IFA_LABEL, address->label);
+ r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
if (r < 0) {
log_error("Could not append IFA_LABEL attribute: %s",
strerror(-r));
}
}
- r = sd_rtnl_send_with_reply_and_block(manager->rtnl, req, 0, NULL);
+ r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
- log_error("Could not configure address: %s", strerror(-r));
- return r != -EEXIST ? r : 0;
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
}
- log_info("Configured interface address");
+ return 0;
+}
+
+int config_parse_dns(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Address **dns = data;
+ _cleanup_address_free_ Address *n = NULL;
+ int r;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = address_new_dynamic(&n);
+ if (r < 0)
+ return r;
+
+ r = net_parse_inaddr(rvalue, &n->family, &n->in_addr);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "DNS address is invalid, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ *dns = n;
+ n = NULL;
return 0;
}
const char *filename,
unsigned line,
const char *section,
+ unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
+ Network *network = userdata;
_cleanup_address_free_ Address *n = NULL;
_cleanup_free_ char *address = NULL;
const char *e;
int r;
assert(filename);
+ assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
- r = address_new(userdata, &n);
+ if (streq(section, "Network")) {
+ /* we are not in an Address section, so treat
+ * this as the special '0' section */
+ section_line = 0;
+ }
+
+ r = address_new_static(network, section_line, &n);
if (r < 0)
return r;
}
n->prefixlen = (unsigned char) i;
+ n->netmask.s_addr = htonl(0xfffffffflu >> n->prefixlen);
+
address = strndup(rvalue, e - rvalue);
if (!address)
return log_oom();
return 0;
}
+
+int config_parse_label(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Network *network = userdata;
+ _cleanup_address_free_ Address *n = NULL;
+ char *label;
+ int r;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = address_new_static(network, section_line, &n);
+ if (r < 0)
+ return r;
+
+ label = strdup(rvalue);
+ if (!label)
+ return log_oom();
+
+ if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Interface label is not ASCII clean or is too"
+ " long, ignoring assignment: %s", rvalue);
+ free(label);
+ return 0;
+ }
+
+ free(n->label);
+ if (*label)
+ n->label = label;
+ else {
+ free(label);
+ n->label = NULL;
+ }
+
+ n = NULL;
+
+ return 0;
+}