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conf: add ipv4 and ipv6 options to server/pool/peer directive

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Accept "ipv4" and "ipv6" options in the server/pool/peer directive to
use only IPv4 or IPv6 addresses respectively.

The configuration is different from the "server [-4|-6] hostname" syntax
supported by ntpd to avoid breaking existing scripts which expect the
hostname to always be the first argument of the directives.
This commit is contained in:
Miroslav Lichvar
2024-02-05 14:20:19 +01:00
parent d7c2b1d2f3
commit 5cb584d6c1
4 changed files with 16 additions and 2 deletions
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5
cmdparse.c
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@@ -46,6 +46,7 @@ CPS_ParseNTPSourceAdd(char *line, CPS_NTP_Source *src)
uint32_t ef_type;
int n, sel_option;
src->family = IPADDR_UNSPEC;
src->port = SRC_DEFAULT_PORT;
src->params.minpoll = SRC_DEFAULT_MINPOLL;
src->params.maxpoll = SRC_DEFAULT_MAXPOLL;
@@ -127,6 +128,10 @@ CPS_ParseNTPSourceAdd(char *line, CPS_NTP_Source *src)
} else if (!strcasecmp(cmd, "filter")) {
if (sscanf(line, "%d%n", &src->params.filter_length, &n) != 1)
return 0;
} else if (!strcasecmp(cmd, "ipv4")) {
src->family = IPADDR_INET4;
} else if (!strcasecmp(cmd, "ipv6")) {
src->family = IPADDR_INET6;
} else if (!strcasecmp(cmd, "maxdelay")) {
if (sscanf(line, "%lf%n", &src->params.max_delay, &n) != 1)
return 0;