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networkd: fix use-after-free
[elogind.git]
/
src
/
network
/
networkd-link.c
diff --git
a/src/network/networkd-link.c
b/src/network/networkd-link.c
index 6497090bc03d27c9dd9519049767fd038a123930..248022133f475a00bc65a66d749f32aee708cf6e 100644
(file)
--- a/
src/network/networkd-link.c
+++ b/
src/network/networkd-link.c
@@
-1721,9
+1721,17
@@
int link_save(Link *link) {
admin_state, oper_state);
if (link->network) {
admin_state, oper_state);
if (link->network) {
- char **address;
+ char **address, **domain;
+ bool space;
fputs("DNS=", f);
fputs("DNS=", f);
+ space = false;
+ STRV_FOREACH(address, link->network->dns) {
+ if (space)
+ fputc(' ', f);
+ fputs(*address, f);
+ space = true;
+ }
if (link->network->dhcp_dns &&
link->dhcp_lease) {
if (link->network->dhcp_dns &&
link->dhcp_lease) {
@@
-1731,19
+1739,22
@@
int link_save(Link *link) {
r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
if (r > 0) {
r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
if (r > 0) {
+ if (space)
+ fputc(' ', f);
serialize_in_addrs(f, addresses, r);
serialize_in_addrs(f, addresses, r);
- if (link->network->dns)
- fputs(" ", f);
}
}
}
}
- STRV_FOREACH(address, link->network->dns)
- fprintf(f, "%s%s", *address,
- (address + 1 ? " " : ""));
-
fputs("\n", f);
fprintf(f, "NTP=");
fputs("\n", f);
fprintf(f, "NTP=");
+ space = false;
+ STRV_FOREACH(address, link->network->ntp) {
+ if (space)
+ fputc(' ', f);
+ fputs(*address, f);
+ space = true;
+ }
if (link->network->dhcp_ntp &&
link->dhcp_lease) {
if (link->network->dhcp_ntp &&
link->dhcp_lease) {
@@
-1751,27
+1762,40
@@
int link_save(Link *link) {
r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
if (r > 0) {
r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
if (r > 0) {
+ if (space)
+ fputc(' ', f);
serialize_in_addrs(f, addresses, r);
serialize_in_addrs(f, addresses, r);
- if (link->network->ntp)
- fputs(" ", f);
}
}
}
}
- STRV_FOREACH(address, link->network->ntp)
- fprintf(f, "%s%s", *address,
- (address + 1 ? " " : ""));
-
fputs("\n", f);
fputs("\n", f);
- if (link->network->dhcp_domainname &&
+ fprintf(f, "DOMAINS=");
+ space = false;
+ STRV_FOREACH(domain, link->network->domains) {
+ if (space)
+ fputc(' ', f);
+ fputs(*domain, f);
+ space = true;
+ }
+
+ if (link->network->dhcp_domains &&
link->dhcp_lease) {
const char *domainname;
r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
link->dhcp_lease) {
const char *domainname;
r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
- if (r >= 0)
- fprintf(f, "DOMAINS=%s\n", domainname);
+ if (r >= 0) {
+ if (space)
+ fputc(' ', f);
+ fputs(domainname, f);
+ }
}
}
+ fputs("\n", f);
+
+ fprintf(f, "WILDCARD_DOMAIN=%s\n",
+ yes_no(link->network->wildcard_domain));
+
fprintf(f, "LLMNR=%s\n",
llmnr_support_to_string(link->network->llmnr));
}
fprintf(f, "LLMNR=%s\n",
llmnr_support_to_string(link->network->llmnr));
}