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ip-xfrm: Respect family in deleteall and list commands 

Allow to limit 'ip xfrm {state|policy} list' output to a certain address
family and to delete all states/policies by family.

Although preferred_family was already set in filters, the filter
function ignored it. To enable filtering despite the lack of other
selectors, filter.use has to be set if family is not AF_UNSPEC.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Phil Sutter 2019-05-06 19:09:56 +02:00 committed by Stephen Hemminger
parent 9bf2c538a0
commit cd21ae4013
3 changed files with 13 additions and 5 deletions
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6
ip/xfrm_policy.c
View File

@ -410,6 +410,10 @@ static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo,
if (!filter.use)
return 1;
if (filter.xpinfo.sel.family != AF_UNSPEC &&
filter.xpinfo.sel.family != xpinfo->sel.family)
return 0;
if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask)
return 0;
@ -780,7 +784,7 @@ static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
char *selp = NULL;
struct rtnl_handle rth;
if (argc > 0)
if (argc > 0 || preferred_family != AF_UNSPEC)
filter.use = 1;
filter.xpinfo.sel.family = preferred_family;

6
ip/xfrm_state.c
View File

@ -898,6 +898,10 @@ static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo)
if (!filter.use)
return 1;
if (filter.xsinfo.family != AF_UNSPEC &&
filter.xsinfo.family != xsinfo->family)
return 0;
if (filter.id_src_mask)
if (xfrm_addr_match(&xsinfo->saddr, &filter.xsinfo.saddr,
filter.id_src_mask))
@ -1170,7 +1174,7 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
struct rtnl_handle rth;
bool nokeys = false;
if (argc > 0)
if (argc > 0 || preferred_family != AF_UNSPEC)
filter.use = 1;
filter.xsinfo.family = preferred_family;

6
man/man8/ip-xfrm.8
View File

@ -89,7 +89,7 @@ ip-xfrm \- transform configuration
.IR MASK " ] ]"
.ti -8
.BR "ip xfrm state " deleteall " ["
.BR ip " [ " -4 " | " -6 " ] " "xfrm state deleteall" " ["
.IR ID " ]"
.RB "[ " mode
.IR MODE " ]"
@ -99,7 +99,7 @@ ip-xfrm \- transform configuration
.IR FLAG-LIST " ]"
.ti -8
.BR "ip xfrm state " list " ["
.BR ip " [ " -4 " | " -6 " ] " "xfrm state list" " ["
.IR ID " ]"
.RB "[ " nokeys " ]"
.RB "[ " mode
@ -257,7 +257,7 @@ ip-xfrm \- transform configuration
.IR PTYPE " ]"
.ti -8
.BR "ip xfrm policy" " { " deleteall " | " list " }"
.BR ip " [ " -4 " | " -6 " ] " "xfrm policy" " { " deleteall " | " list " }"
.RB "[ " nosock " ]"
.RI "[ " SELECTOR " ]"
.RB "[ " dir