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network: Add support send and receive LPR servers

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This commit is contained in:
Susant Sahani 2020-04-22 14:49:27 +02:00
parent 50018bfa84
commit d361b3730a
9 changed files with 79 additions and 4 deletions
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9
man/systemd.network.xml
View File

@ -1945,6 +1945,15 @@
<varname>DNS=</varname>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>LPRServers=</varname></term>
<listitem><para>Similar to the <varname>DNS=</varname> setting described above, this
setting configures whether and what LPR (line printer) server information shall be emitted
as part of the DHCP lease. The same syntax, propagation semantics and defaults apply as for
<varname>DNS=</varname>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>EmitRouter=</varname></term>

30
src/network/networkd-dhcp-server.c
View File

@ -127,6 +127,11 @@ static int link_push_uplink_to_dhcp_server(
lease_condition = link->network->dhcp_use_sip;
break;
case SD_DHCP_LEASE_LPR_SERVERS:
servers = link->network->lpr;
lease_condition = true;
break;
default:
assert_not_reached("Uknown DHCP lease info item");
}
@ -238,6 +243,11 @@ int dhcp4_server_configure(Link *link) {
link->network->dhcp_server_smtp,
link->network->n_dhcp_server_smtp,
},
[SD_DHCP_LEASE_LPR_SERVERS] = {
true,
link->network->dhcp_server_lpr,
link->network->n_dhcp_server_lpr,
},
};
assert_cc(ELEMENTSOF(configs) == _SD_DHCP_LEASE_INFO_MAX);
@ -454,3 +464,23 @@ int config_parse_dhcp_server_smtp_servers(
&n->dhcp_server_smtp, &n->n_dhcp_server_smtp);
}
int config_parse_dhcp_server_lpr_servers(
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 *n = data;
return config_parse_dhcp_lease_server_list(unit, filename, line,
lvalue, rvalue,
&n->dhcp_server_lpr, &n->n_dhcp_server_lpr);
}

1
src/network/networkd-dhcp-server.h
View File

@ -14,3 +14,4 @@ CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_ntp);
CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_sip);
CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_pop3_servers);
CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_smtp_servers);
CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_lpr_servers);

17
src/network/networkd-link.c
View File

@ -3951,9 +3951,9 @@ static void link_save_dns(FILE *f, struct in_addr_data *dns, unsigned n_dns, boo
}
int link_save(Link *link) {
const char *admin_state, *oper_state, *carrier_state, *address_state;
_cleanup_free_ char *temp_path = NULL;
_cleanup_fclose_ FILE *f = NULL;
const char *admin_state, *oper_state, *carrier_state, *address_state;
Address *a;
Route *route;
Iterator i;
@ -4112,6 +4112,12 @@ int link_save(Link *link) {
space = false;
fputstrv(f, link->network->smtp, NULL, &space);
fputc('\n', f);
fputs("LPR_SERVERS=", f);
space = false;
fputstrv(f, link->network->lpr, NULL, &space);
if (link->dhcp_lease) {
const struct in_addr *addresses;
@ -4130,6 +4136,15 @@ int link_save(Link *link) {
space = true;
}
if (link->dhcp_lease) {
const struct in_addr *addresses;
r = sd_dhcp_lease_get_lpr_servers(link->dhcp_lease, &addresses);
if (r > 0)
if (serialize_in_addrs(f, addresses, r, space, in4_addr_is_non_local) > 0)
space = true;
}
if (link->network->dhcp6_use_ntp && dhcp6_lease) {
struct in6_addr *in6_addrs;
char **hosts;

19
src/network/networkd-manager.c
View File

@ -1490,7 +1490,7 @@ static int ordered_set_put_in4_addrv(OrderedSet *s,
static int manager_save(Manager *m) {
_cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *sip = NULL, *pop3 = NULL,
*smtp = NULL, *search_domains = NULL, *route_domains = NULL;
*smtp = NULL, *lpr = NULL, *search_domains = NULL, *route_domains = NULL;
const char *operstate_str, *carrier_state_str, *address_state_str;
LinkOperationalState operstate = LINK_OPERSTATE_OFF;
LinkCarrierState carrier_state = LINK_CARRIER_STATE_OFF;
@ -1524,8 +1524,12 @@ static int manager_save(Manager *m) {
return -ENOMEM;
smtp = ordered_set_new(&string_hash_ops);
if (!smtp)
return -ENOMEM;
if (!smtp)
return -ENOMEM;
lpr = ordered_set_new(&string_hash_ops);
if (!lpr)
return -ENOMEM;
search_domains = ordered_set_new(&dns_name_hash_ops);
if (!search_domains)
@ -1618,6 +1622,14 @@ static int manager_save(Manager *m) {
} else if (r < 0 && r != -ENODATA)
return r;
r = sd_dhcp_lease_get_lpr_servers(link->dhcp_lease, &addresses);
if (r > 0) {
r = ordered_set_put_in4_addrv(lpr, addresses, r, in4_addr_is_non_local);
if (r < 0)
return r;
} else if (r < 0 && r != -ENODATA)
return r;
if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) {
const char *domainname;
char **domains = NULL;
@ -1671,6 +1683,7 @@ static int manager_save(Manager *m) {
ordered_set_print(f, "SIP=", sip);
ordered_set_print(f, "POP3_SERVERS=", pop3);
ordered_set_print(f, "SMTP_SERVERS=", smtp);
ordered_set_print(f, "LPR_SERVERS=", lpr);
ordered_set_print(f, "DOMAINS=", search_domains);
ordered_set_print(f, "ROUTE_DOMAINS=", route_domains);

1
src/network/networkd-network-gperf.gperf
View File

@ -212,6 +212,7 @@ DHCPServer.EmitSIP, config_parse_bool,
DHCPServer.SIP, config_parse_dhcp_server_sip, 0, 0
DHCPServer.POP3Servers, config_parse_dhcp_server_pop3_servers, 0, 0
DHCPServer.SMTPServers, config_parse_dhcp_server_smtp_servers, 0, 0
DHCPServer.LPRServers, config_parse_dhcp_server_lpr_servers, 0, 0
DHCPServer.EmitRouter, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_router)
DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)

4
src/network/networkd-network.h
View File

@ -155,6 +155,9 @@ struct Network {
struct in_addr *dhcp_server_smtp;
unsigned n_dhcp_server_smtp;
struct in_addr *dhcp_server_lpr;
unsigned n_dhcp_server_lpr;
bool dhcp_server_emit_router;
bool dhcp_server_emit_timezone;
char *dhcp_server_timezone;
@ -312,6 +315,7 @@ struct Network {
char **sip;
char **pop3;
char **smtp;
char **lpr;
char **bind_carrier;
};

1
src/network/networkd-util.c
View File

@ -43,6 +43,7 @@ static const char* const dhcp_lease_info_table[_SD_DHCP_LEASE_INFO_MAX] = {
[SD_DHCP_LEASE_SIP_SERVERS] = "SIP servers",
[SD_DHCP_LEASE_POP3_SERVERS] = "POP3 servers",
[SD_DHCP_LEASE_SMTP_SERVERS] = "SMTP servers",
[SD_DHCP_LEASE_LPR_SERVERS] = "LPR servers",
};
DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(address_family, AddressFamily, ADDRESS_FAMILY_YES);

1
test/fuzz/fuzz-network-parser/directives.network
View File

@ -278,6 +278,7 @@ EmitSIP=
SIP=
POP3Servers=
SMTPServers=
LPRServers=
EmitRouter=
MaxLeaseTimeSec=
DefaultLeaseTimeSec=