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Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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needed if multiple modes are used at once
Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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Signed-off-by: Danijel Tasov <m@rbfh.de>
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We can perfectly do icmp without root by using capabalities. So,
instead of doing unsufficient checks beforehand, we just try and fail if
it doesn't work.
Signed-off-by: Danijel Tasov <m@rbfh.de>
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* lib/utils_base.c
* plugins/check_curl.c
* plugins-root/check_dhcp.c
Removed a line which theoretically can not do anything, but there was
comment which indicated something else. Still trying this though.
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This fixes a compiler warning which complains about an uninitialized
value for a variable which is then returned.
This had no real world impact, since the program would crash in the
branch where result is not set.
The variable is initialized to "-1" which would be the error for
inet_pton.
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This fixes a compiler warning with no real world impact.
The compiler complains about a missing return, which is correct, but
in that scenario the program would crash anyways, so this has no impact.
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Fix parsing of the long options --help and --version. The special
handling must be done before calling getopt().
This fixes erroneous output like:
./check_icmp --version
./check_icmp: invalid option -- '-'
./check_icmp: invalid option -- 'e'
./check_icmp: invalid option -- 'r'
./check_icmp: invalid option -- '-'
./check_icmp: invalid option -- 'e'
./check_icmp: invalid option -- 'r'
Signed-off-by: Aksel Sjögren <asjogren@itrsgroup.com>
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address family and not sockaddr_storage (#1771)
Co-authored-by: Erik Sejr <eriks@ssimicro.com>
Co-authored-by: Lorenz <12514511+RincewindsHat@users.noreply.github.com>
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* Fix different overflows
* Less includes
* Add testcases
* Remove unused variable
* Remove unused and commented includes
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- add a test to check '-s'
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Add missing "warn" threshold field in "pkt" perfdata output.
Perfdata should be interpreted as;
'label'=value[UOM];[warn];[crit];[min];[max]
With one field missing, the hardcoded min value '0' ended up in the
"crit" field, making applications interpreting the perfdata thining that
critical threshold is always exceeded.
Signed-off-by: Aksel Sjögren <asjogren@itrsgroup.com>
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* try to use "/usr/sbin/ip" before "ifconfig" since the latter is
obsolete on Linux to figure out interface to listen for DHCP messages.
But keeping ifconfig method just in case.
Without this, tests fail on boxes without ifconfig AND the correct
interface named ethX.
* amend possible failure responses, as check_dhcp might get a DHCPOFFER,
but from an unexpected address - which happens if the box running
tests are on a network with a DHCP server.
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Fixes "No rule to make target 'test-debug'" when running "make
test-debug" in root dir.
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There is a small typo in plugins-root/check_icmp.c.
Should read `conspicuously` rather than `conspicuosly`.
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Otherwise, it writes sizeof(size_t) bytes to &oldlen, smashing the stack.
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In case we needed to do a lookup, we previously overwrote the
address_family to IPv6, even if we supplied -4 as a cmd line argument.
This commit should ensure the cmd line argument is always followed.
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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As we do not support checking both IPv4 and IPv6 hosts in one execution
we emit an error if multiple protocol versions are defined in the cmd
line args.
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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This commit moves the opts string into a variable as it is now used
twice.
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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If a hostname is supplied instead of an IP address, the automatic
address family detection would fail to correctly set the IP protocol
version (it would always be IPv6).
We now supply AF_UNSPEC to getaddrinfo, which should then return the
correct address family in the result.
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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Signed-off-by: Jacob Hansen <jhansen@op5.com>
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Detection of protocol version is in the previous patch implemented in
the add_target() function, which is called when adding the -H command
line argument. That means that if a protocal version argument (-4, -6)
is added after the -H then the protocol version might be incorrectly
set.
This patch ensures that we first process the protocol version arguments,
and then we process the rest of the arguments.
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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This patch automatically detects whether the protocol version is IPv4 or
IPv6
All credits to: https://github.com/ghciv6
Signed-off-by: Jacob Hansen <jhansen@op5.com>
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This commit adds IPv6 capabilities to check_icmp. It is now possible to
specify the address family using the arguments -4 (default) or -6.
To make the change possible we had to move the argument parsing previous
to creating the socket to be able to create it with the correct address
family.
This commit also fixes some gcc 4.9.2 compiler warnings. It has been
tested with several current linux distributions (debian, ubuntu, rh,
sles).
This commit fixes monitoring-plugins/monitoring-plugins#1291
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