kumquat-buildroot/package/liboping/0003-Open-raw-sockets-when-adding-hosts-not-when-doing-th.patch
Peter Seiderer 5a171e8205 package/liboping: add patch to fix suid root feature
Add patch from upstream merge quest [1] to fix suid root feature.

[1] https://github.com/octo/liboping/pull/35

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2021-12-30 16:14:00 +01:00

92 lines
2.4 KiB
Diff

From ac878566eb935fd3ebfb804e6bd9e1690d4a65e3 Mon Sep 17 00:00:00 2001
From: Tollef Fog Heen <tfheen@err.no>
Date: Tue, 20 Mar 2018 22:40:32 +0100
Subject: [PATCH] Open raw sockets when adding hosts, not when doing the
pinging
This allows this to run as non-root again, without this, oping will
have dropped privileges before trying to ping, which then fails to
open the necessary raw sockets.
Fixes: #34
[Upstream: https://github.com/octo/liboping/pull/35/commits/a88c51f38dafa1fba9118045176754bec05d3c94]
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
---
src/liboping.c | 48 +++++++++++++++++-------------------------------
1 file changed, 17 insertions(+), 31 deletions(-)
diff --git a/src/liboping.c b/src/liboping.c
index 39b0041..f98e810 100644
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -1344,41 +1344,10 @@ int ping_send (pingobj_t *obj)
struct timeval nowtime;
struct timeval timeout;
- _Bool need_ipv4_socket = 0;
- _Bool need_ipv6_socket = 0;
-
for (ptr = obj->head; ptr != NULL; ptr = ptr->next)
{
ptr->latency = -1.0;
ptr->recv_ttl = -1;
-
- if (ptr->addrfamily == AF_INET)
- need_ipv4_socket = 1;
- else if (ptr->addrfamily == AF_INET6)
- need_ipv6_socket = 1;
- }
-
- if (!need_ipv4_socket && !need_ipv6_socket)
- {
- ping_set_error (obj, "ping_send", "No hosts to ping");
- return (-1);
- }
-
- if (need_ipv4_socket && obj->fd4 == -1)
- {
- obj->fd4 = ping_open_socket(obj, AF_INET);
- if (obj->fd4 == -1)
- return (-1);
- ping_set_ttl (obj, obj->ttl);
- ping_set_qos (obj, obj->qos);
- }
- if (need_ipv6_socket && obj->fd6 == -1)
- {
- obj->fd6 = ping_open_socket(obj, AF_INET6);
- if (obj->fd6 == -1)
- return (-1);
- ping_set_ttl (obj, obj->ttl);
- ping_set_qos (obj, obj->qos);
}
if (gettimeofday (&nowtime, NULL) == -1)
@@ -1698,6 +1667,23 @@ int ping_host_add (pingobj_t *obj, const char *host)
ph->table_next = obj->table[ph->ident % PING_TABLE_LEN];
obj->table[ph->ident % PING_TABLE_LEN] = ph;
+ if (ph->addrfamily == AF_INET && obj->fd4 == -1)
+ {
+ obj->fd4 = ping_open_socket(obj, AF_INET);
+ if (obj->fd4 == -1)
+ return (-1);
+ ping_set_ttl (obj, obj->ttl);
+ ping_set_qos (obj, obj->qos);
+ }
+ if (ph->addrfamily == AF_INET6 && obj->fd6 == -1)
+ {
+ obj->fd6 = ping_open_socket(obj, AF_INET6);
+ if (obj->fd6 == -1)
+ return (-1);
+ ping_set_ttl (obj, obj->ttl);
+ ping_set_qos (obj, obj->qos);
+ }
+
return (0);
} /* int ping_host_add */
--
2.25.1