| Age | Commit message (Collapse) | Author |
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Let's do this everywhere the same way.
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Test option setting and getting in test_advertise_option(). Verify
that the information provided in DHCPv6 Reply messages is also
available in the Information and Solicit callbacks.
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Although the SNTP option specified in RFC 4075 has been deprecated, some
servers are still sending NTP information with this option. Use the SNTP
information provided only if the NTP option is not present.
Update the test case as SNTP information is also requested.
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Revise the address iteration functions so that one helper function
resets the iterator to the start of the address list while the
second one fetches addresses one by one.
The test case is also updated.
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Start the DHCPv6 test case by sending an Information Request, verifying
the reply and continuing at once with the normal address acquisition
procedure. Reuse the DHCPv6 Solicit Reply so that the client code is
verified to ignore any erroneously added IPv6 address information.
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Like Infiniband. See RFC 4390 section 2.1 for details on DHCP
and Infiniband; chaddr is zeroed, hlen is set to 0, and htype
is set to ARPHRD_INFINIBAND because IB hardware addresses
are 20 bytes in length.
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Verify that the Elapsed Time option is present.
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Also make pointer calculations more explicit so they are
easier to understand.
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The whole DHCPv6 test message length was incorrectly used as the length
of DHCPv6 options causing the following bad memory access:
$ build/test-dhcp6-client
Assertion 'interface_index >= -1' failed at ../src/libsystemd-network/sd-dhcp6-client.c:129, function sd_dhcp6_client_set_index(). Ignoring.
=================================================================
==29135==ERROR: AddressSanitizer: global-buffer-overflow on address 0x7fe204aa9148 at pc 0x7fe204a5958f bp 0x7fff3e47d470 sp 0x7fff3e47d460
READ of size 1 at 0x7fe204aa9148 thread T0
#0 0x7fe204a5958e in option_parse_hdr ../src/libsystemd-network/dhcp6-option.c:145
#1 0x7fe204a59884 in dhcp6_option_parse ../src/libsystemd-network/dhcp6-option.c:165
#2 0x7fe204a4eb9c in test_advertise_option ../src/libsystemd-network/test-dhcp6-client.c:227
#3 0x7fe204a51c58 in main ../src/libsystemd-network/test-dhcp6-client.c:584
#4 0x7fe2031590df in __libc_start_main (/lib64/libc.so.6+0x200df)
#5 0x7fe204a4cc5b (/home/test/systemd/build/test-dhcp6-client+0x25c5b)
0x7fe204aa9148 is located 2 bytes to the right of global variable 'msg_advertise' from '../src/libsystemd-network/test-dhcp6-client.c' (0x7fe204aa9080) of size 198
0x7fe204aa9148 is located 56 bytes to the left of global variable 'msg_reply' from '../src/libsystemd-network/test-dhcp6-client.c' (0x7fe204aa9180) of size 173
SUMMARY: AddressSanitizer: global-buffer-overflow ../src/libsystemd-network/dhcp6-option.c:145 option_parse_hdr
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The timeouts in the networking library (DHCP lease timeouts and similar) should not be affected
by suspend. In the cases where CLOCK_BOOTTIME is not implemented, it is still safe to fallback to
CLOCK_MONOTONIC, as the consumers of the library (i.e., networkd) _should_ renew the leases when
coming out of suspend.
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Provide a function to request more options from the DHCPv6 server.
Provide a sensible default set at startup and add test basic test
cases for the intended usage.
Define DNS and NTP related option codes and add comments for the
unassigned codes.
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Enhance the test case by generating a Reply. With a properly formed
Reply the callback function will be called and the additional
earlier event loop exit can now be removed.
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Enhance the test case by replying with an Advertise message to the
client. Copy the transaction id, IAID and DUID from the Solicit
message. Verify the Request message created by the DHCPv6 client
implementation and move the main loop exit to the end of the Request
message verification.
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Add a basic test case excersising once more option parsing function
in addition to lease handling. Check that the address iteration
functions return the correct IPv6 address and lifetimes and that
only one address is returned. Also verify that the server ID and
preference values are read correctly.
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Verify the Solicit message created by the DHCPv6 client code.
Provide local variants for detect_vm(), detect_container() and
detect_virtualization() defined in virt.h. This makes the DHCPv6
library believe it is run in a container and does not try to request
interface information from udev for the non-existing interface index
used by the test case code.
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Add option appending and parsing. DHCPv6 options are not aligned, thus
the option handling code must be able to handle options starting at
any byte boundary.
Add a test case for the basic option handling.
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Add test cases for basic DHCPv6 client handling, e.g. setting
interface index, mac address and attaching event loop.
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