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networkd: dhcp-server - allow configuration of the pool

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The constraints we place on the pool is that it is a contiguous
sequence of addresses in the same subnet as the server address, not
including the subnet nor broadcast addresses, but possibly including
the server address itself. If the server address is included in the
pool it is (obviously) reserved and not handed out to clients.
This commit is contained in:
Tom Gundersen
2015-08-31 21:42:33 +02:00
parent 61986155d2
commit 9b3a67c55b
6 changed files with 25 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/network/networkd-link.c
+2 -1
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@@ -742,7 +742,8 @@ static int link_enter_set_addresses(Link *link) {
}
/* use the server address' subnet as the pool */
r = sd_dhcp_server_configure_pool(link->dhcp_server, &address->in_addr.in, address->prefixlen, 0, 0);
r = sd_dhcp_server_configure_pool(link->dhcp_server, &address->in_addr.in, address->prefixlen,
link->network->dhcp_server_pool_offset, link->network->dhcp_server_pool_size);
if (r < 0)
return r;
src/network/networkd-network-gperf.gperf
+2
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@@ -82,6 +82,8 @@ DHCPServer.EmitNTP, config_parse_bool, 0
DHCPServer.NTP, config_parse_dhcp_server_ntp, 0, 0
DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)
DHCPServer.PoolOffset, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_offset)
DHCPServer.PoolSize, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_size)
Bridge.Cost, config_parse_unsigned, 0, offsetof(Network, cost)
Bridge.UseBPDU, config_parse_bool, 0, offsetof(Network, use_bpdu)
Bridge.HairPin, config_parse_bool, 0, offsetof(Network, hairpin)
src/network/networkd-network.h
+2
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@@ -102,6 +102,8 @@ struct Network {
bool dhcp_server_emit_timezone;
char *dhcp_server_timezone;
usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec;
uint32_t dhcp_server_pool_offset;
uint32_t dhcp_server_pool_size;
/* IPV4LL Support */
AddressFamilyBoolean link_local;
src/shared/conf-parser.c
+1
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@@ -450,6 +450,7 @@ int config_parse_many(const char *conf_file,
DEFINE_PARSER(int, int, safe_atoi)
DEFINE_PARSER(long, long, safe_atoli)
DEFINE_PARSER(uint32, uint32_t, safe_atou32)
DEFINE_PARSER(uint64, uint64_t, safe_atou64)
DEFINE_PARSER(unsigned, unsigned, safe_atou)
DEFINE_PARSER(double, double, safe_atod)
src/shared/conf-parser.h
+1
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@@ -104,6 +104,7 @@ int config_parse_many(const char *conf_file, /* possibly NULL */
int config_parse_int(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);
int config_parse_unsigned(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);
int config_parse_long(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);
int config_parse_uint32(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);
int config_parse_uint64(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);
int config_parse_double(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);
int config_parse_iec_size(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);