| Commit message (Collapse) | Author | Age | Files | Lines |
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The strncpy() function doesn't null terminate the destination string if
the source string is at least as long as the destination. (This behavior
is defined by the C99 specification.) As a result, the destination
string must be null terminated after calling strncpy().
And clang11 static analyzer thus reports following:
genl_family.c:148:2: error: ‘strncpy’ output may be truncated copying 15 bytes from a string of length 15 [-Werror=stringop-truncation]
148 | strncpy(grp->name, name, GENL_NAMSIZ - 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
References: https://gitlab.com/openwrt/project/libnl-tiny/-/jobs/2495301251#L197
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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Newer generic netlink APIs (e.g. wireguard) require this to be able to parse
nested attributes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This function is used by iw 5.16.
These new headers were copied from the mainline libnl.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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The API is almost the same and some unl_genl_* functions are renamed to unl_*
with compat #define in place
The only thing different between genl and rtnl is the init function and the
function for allocating a message
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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scan-build from clang version 9 complains about following:
cache.c:106:2: warning: Dereference of null pointer
nl_list_for_each_entry_safe(obj, tmp, &cache->c_items, ce_list)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/netlink/list.h:83:20: note: expanded from macro 'nl_list_for_each_entry_safe'
pos = n, n = nl_list_entry(n->member.next, typeof(*n), member))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/netlink/list.h:60:2: note: expanded from macro 'nl_list_entry'
nl_container_of(ptr, type, member)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/netlink/list.h:56:55: note: expanded from macro 'nl_container_of'
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^~~~~
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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If _GNU_SOURCE was added as part of a package's TARGET_CFLAGS,
then compilation would fail for that module (especially if
warnings get treated as errors).
Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
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This adds this commit from normal libnl to libnl-tiny:
https://github.com/tgraf/libnl/commit/2dbc1ca76c5b82c40749e609eb83877418abb006
commit 2dbc1ca76c5b82c40749e609eb83877418abb006
Author: dima <dima.ky@gmail.com>
Date: Wed Oct 13 17:53:34 2010 +0300
Generic Netlink multicast groups support
I have a patch against commit d378220c96c3c8b6f27dca33e7d8ba03318f9c2d
extending libnl with a facility to receive generic netlink messages sent
to multicast groups.
Essentially it add one new function genl_ctrl_resolve_grp which
prototype looks like this
int genl_ctrl_resolve_grp(struct nl_sock *sk, const char *family_name,
const char *grp_name)
It resolves the family name and the group name to group id. Then
the returned id can be used in nl_socket_add_membership to subscribe
to multicast messages.
Besides that it adds two more functions
uint32_t nl_socket_get_peer_groups(struct nl_sock *sk)
void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups)
allowing to modify the socket peer groups field. So it's possible to
multicast messages from the user space using the legacy interface.
Looks like there is no way (or I was not able to find one?) to modify
the netlink socket destination group from the user space, when the
group id is greater then 32.
Signed-off-by: Hauke Mehrtens <hauke.mehrtens@intel.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [cosmetic style fix]
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apparently this constant has been removed from recent kernel headers, even
though it's supposed to be UAPI.
https://www.spinics.net/lists/netdev/msg423041.html
closes #2
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better fix for issue #1
the removal of the net/if.h inclusion led to issues compiling
libpcap because the include guard of the linux header copy prevented
the real linux header to get used and so the definition of struct
ifreq was missing.
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closes #1
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To be prepared to support keepalived 1.2.10 and higher we need libnl3 or
higher. The attached patch
add some defines so that it can be build be libnl-tiny.
Patch by Thomas Heil
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39991 3c298f89-4303-0410-b956-a3cf2f4a3e73
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