diff options
Diffstat (limited to 'src/network/networkd-dhcp-server.c')
| -rw-r--r-- | src/network/networkd-dhcp-server.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp-server.c b/src/network/networkd-dhcp-server.c index 2ec742b5e3..83caef6fc0 100644 --- a/src/network/networkd-dhcp-server.c +++ b/src/network/networkd-dhcp-server.c @@ -140,6 +140,55 @@ static int link_push_uplink_ntp_to_dhcp_server(Link *link, sd_dhcp_server *s) { return sd_dhcp_server_set_ntp(s, addresses, n_addresses); } +static int link_push_uplink_pop3_to_dhcp_server(Link *link, sd_dhcp_server *s) { + _cleanup_free_ struct in_addr *addresses = NULL; + size_t n_addresses = 0, n_allocated = 0; + char **a; + + if (!link->network) + return 0; + + log_link_debug(link, "Copying POP3 server information from link"); + + STRV_FOREACH(a, link->network->pop3) { + union in_addr_union ia; + + /* Only look for IPv4 addresses */ + if (in_addr_from_string(AF_INET, *a, &ia) <= 0) + continue; + + /* Never propagate obviously borked data */ + if (in4_addr_is_null(&ia.in) || in4_addr_is_localhost(&ia.in)) + continue; + + if (!GREEDY_REALLOC(addresses, n_allocated, n_addresses + 1)) + return log_oom(); + + addresses[n_addresses++] = ia.in; + } + + if (link->dhcp_lease) { + const struct in_addr *da = NULL; + int j, n; + + n = sd_dhcp_lease_get_pop3_server(link->dhcp_lease, &da); + if (n > 0) { + + if (!GREEDY_REALLOC(addresses, n_allocated, n_addresses + n)) + return log_oom(); + + for (j = 0; j < n; j++) + if (in4_addr_is_non_local(&da[j])) + addresses[n_addresses++] = da[j]; + } + } + + if (n_addresses <= 0) + return 0; + + return sd_dhcp_server_set_pop3_server(s, addresses, n_addresses); +} + static int link_push_uplink_sip_to_dhcp_server(Link *link, sd_dhcp_server *s) { _cleanup_free_ struct in_addr *addresses = NULL; size_t n_addresses = 0, n_allocated = 0; @@ -281,6 +330,22 @@ int dhcp4_server_configure(Link *link) { log_link_warning_errno(link, r, "Failed to set SIP server for DHCP server, ignoring: %m"); } + if (link->network->n_dhcp_server_pop3 > 0) + r = sd_dhcp_server_set_pop3_server(link->dhcp_server, link->network->dhcp_server_pop3, link->network->n_dhcp_server_pop3); + else { + if (!acquired_uplink) + uplink = manager_find_uplink(link->manager, link); + + if (!uplink) { + log_link_debug(link, "Not emitting POP3 server information on link, couldn't find suitable uplink."); + r = 0; + } else + r = link_push_uplink_pop3_to_dhcp_server(uplink, link->dhcp_server); + + } + if (r < 0) + log_link_warning_errno(link, r, "Failed to set POP3 server for DHCP server, ignoring: %m"); + r = sd_dhcp_server_set_emit_router(link->dhcp_server, link->network->dhcp_server_emit_router); if (r < 0) return log_link_error_errno(link, r, "Failed to set router emission for DHCP server: %m"); @@ -486,3 +551,55 @@ int config_parse_dhcp_server_sip( n->dhcp_server_sip = m; } } + +int config_parse_dhcp_server_pop3_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; + const char *p = rvalue; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + + for (;;) { + _cleanup_free_ char *w = NULL; + union in_addr_union a; + struct in_addr *m; + + r = extract_first_word(&p, &w, NULL, 0); + if (r == -ENOMEM) + return log_oom(); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, + "Failed to extract word, ignoring: %s", rvalue); + return 0; + } + if (r == 0) + return 0; + + r = in_addr_from_string(AF_INET, w, &a); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, + "Failed to parse POP3 server address '%s', ignoring: %m", w); + continue; + } + + m = reallocarray(n->dhcp_server_pop3, n->n_dhcp_server_pop3 + 1, sizeof(struct in_addr)); + if (!m) + return log_oom(); + + m[n->n_dhcp_server_pop3++] = a.in; + n->dhcp_server_pop3 = m; + } +} |