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8e7a62b6ff
We use strlcpy() which has been added to glibc recently. This means we
also get fortification for strlcpy() now:
source3/nmbd/nmbd_browsesync.c: In function ‘find_domain_master_name_query_success’:
source3/nmbd/nmbd_browsesync.c:337:9: warning: ‘strlcpy’ writing 257 bytes into a
region of size 16 overflows the destination [-Wstringop-overflow=]
337 | strlcpy(userdata->data, work->work_group, size - sizeof(*userdata));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We allocate memory for the userdata struct + fstring. However the data
pointer we use only is 16 bytes. Also nowadays you would use offsetof()
for the allocation calculation, but it only works correctly on newer
compilers like gcc > 7. We could make use of it in future after CentOS 7
is gone.
As we don't want to touch nmbd anymore, just silence the warnings.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
#!/usr/bin/env python
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nmbd_cflags = ''
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if bld.CONFIG_SET('HAVE_WNO_ERROR_STRINGOP_OVERFLOW'):
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nmbd_cflags = '-Wno-error=stringop-overflow'
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bld.SAMBA3_BINARY('nmbd',
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source='''
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asyncdns.c
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nmbd.c
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nmbd_become_dmb.c
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nmbd_become_lmb.c
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nmbd_browserdb.c
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nmbd_browsesync.c
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nmbd_elections.c
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nmbd_incomingdgrams.c
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nmbd_incomingrequests.c
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nmbd_lmhosts.c
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nmbd_logonnames.c
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nmbd_mynames.c
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nmbd_namelistdb.c
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nmbd_namequery.c
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nmbd_nameregister.c
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nmbd_namerelease.c
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nmbd_nodestatus.c
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nmbd_packets.c
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nmbd_processlogon.c
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nmbd_responserecordsdb.c
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nmbd_sendannounce.c
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nmbd_serverlistdb.c
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nmbd_subnetdb.c
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nmbd_winsproxy.c
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nmbd_winsserver.c
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nmbd_workgroupdb.c
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nmbd_synclists.c
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''',
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cflags=nmbd_cflags,
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deps='''
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talloc
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tevent
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smbconf
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libsmb
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CMDLINE_S3
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''',
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install_path='${SBINDIR}')
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