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In many callers of the VTY API, we are lacking the vty_install_default() step
at certain node levels. This creates nodes that lack the 'exit' command, and
hence the only way to exit such a node is to restart the telnet session.
Historically, the VTY looked for missing commands on the immediate parent node,
and hence possibly found the parent's 'exit' command when the local node was
missing it. That is why we so far did not notice the missing default commands.
Furthermore, some callers call install_default() instead of
vty_install_default(). Only vty_install_default() also includes the 'exit' and
'end' commands. There is no reason why there are two sets of default commands.
To end this confusion, to catch all missing 'exit' commands and to prevent this
from re-appearing in the future, simply *always* install all default commands
implicitly when calling install_node().
In cmd_init(), there are some top-level nodes that apparently do not want the
default commands installed. Keep those the way they are, by changing the
invocation to new install_node_bare() ({VIEW,AUTH,AUTH_ENABLE}_NODE).
Make both install_default() and vty_install_default() no-ops so that users of
the API may still call them without harm. Do not yet deprecate yet, which
follows in Icf5d83f641e838cebcccc635a043e94ba352abff.
Drop all invocations to these two functions found in libosmocore.
Change-Id: I5021c64a787b63314e0f2f1cba0b8fc7bff4f09b
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In vty_test, add three levels of parent nodes (level1, level2, level3) with
each having a leaf child (child1, child2, child3).
Use these to enhance the vty_test cfg files and test more diverse situations.
The current VTY code expects a go_parent_cb() to be present, otherwise it will
bump right back to the CONFIG_NODE, which will not work with more than one node
level below the CONFIG_NODE. Hence provide a minimal go_parent_cb().
Change-Id: Ib9bcf58b655fbd85e196f363fb7d8305d7dfc997
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The recent exit-by-indent patch breaks a VTY case where a node is entered but
directly followed by a sibling or ancestor without listing any child nodes.
Regression introduced by I24cbb3f6de111f2d31110c3c484c066f1153aac9.
An example is a common usage in osmo-bts, where 'phy N' / 'instance N' is a
parent node that is commonly left empty:
phy 0
instance 0
bts 0
band 1800
Before this patch, this case produces the error:
There is no such command.
Error occurred during reading the below line:
bts 0
Fix indentation parsing logic in command.c to accomodate this case.
Add a unit test for empty parent node.
Change-Id: Ia0880a17ae55accb092ae8585cc3a1bec9986891
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Note: This will break users' config files if they do not use consistent
indenting. (see below for a definition of "consistent".)
When reading VTY commands from a file, use indenting as means to implicitly
exit child nodes. Do not look for commands in the parent node implicitly.
The VTY so far implies 'exit' commands if a VTY line cannot be parsed on the
current node, but succeeds on the parent node. That is the mechanism by which
our VTY config files do not need 'exit' at the end of each child node.
We've hit problems with this in the following scenarios, which will show
improved user experience after this patch:
*) When both a parent and its child node have commands with identical names:
cs7 instace 0
point-code 1.2.3
sccp-address osmo-msc
point-code 0.0.1
If I put the parent's command below the child, it is still interpreted in the
context of the child node:
cs7 instace 0
sccp-address osmo-msc
point-code 0.0.1
point-code 1.2.3
Though the indenting lets me assume I am setting the cs7 instance's global PC
to 1.2.3, I'm actually overwriting osmo-msc's PC with 1.2.3 and discarding the
0.0.1.
*) When a software change moves a VTY command from a child to a parent. Say
'timezone' moved from 'bts' to 'network' level:
network
timezone 1 2
Say a user still has an old config file with 'timezone' on the child level:
network
bts 0
timezone 1 2
trx 0
The user would expect an error message that 'timezone' is invalid on the 'bts'
level. Instead, the VTY finds the parent node's 'timezone', steps out of 'bts'
to the 'network' level, and instead says that the 'trx' command does not exist.
Format:
Consistent means that two adjacent indenting lines have the exact
same indenting characters for the common length:
Weird mix if you ask me, but correct and consistent:
ROOT
<space>PARENT
<space><tab><space>CHILD
<space><tab><space><tab><tab>GRANDCHILD
<space><tab><space><tab><tab>GRANDCHILD2
<space>SIBLING
Inconsistent:
ROOT
<space>PARENT
<tab><space>CHILD
<space><space><tab>GRANDCHILD
<space><tab><tab>GRANDCHILD2
<tab>SIBLING
Also, when going back to a parent level, the exact same indenting must be used
as before in that node:
Incorrect:
ROOT
<tab>PARENT
<tab><tab><tab>CHILD
<tab><tab>SIBLING
As not really intended side effect, it is also permitted to indent the entire
file starting from the root level. We could guard against it but there's no
harm:
Correct and consistent:
<tab>ROOT
<tab><tab>PARENT
<tab><tab><tab><tab>CHILD
<tab><tab>SIBLING
Implementation:
Track parent nodes state: whenever a command enters a child node, push a parent
node onto an llist to remember the exact indentation characters used for that
level.
As soon as the first line on a child node is parsed, remember this new
indentation (which must have a longer strlen() than its parent level) to apply
to all remaining child siblings and grandchildren.
If the amount of spaces that indent a following VTY command are less than this
expected indentation, call vty_go_parent() until it matches up.
At any level, if the common length of indentation characters mismatch, abort
parsing in error.
Transitions to child node are spread across VTY implementations and are hard to
change. But transitions to the parent node are all handled by vty_go_parent().
By popping a parent from the list of parents in vty_go_parent(), we can also
detect that a command has changed the node without changing the parent, hence
it must have stepped into a child node, and we can push a parent frame.
The behavior on the interactive telnet VTY remains unchanged.
Change-Id: I24cbb3f6de111f2d31110c3c484c066f1153aac9
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For interactive telnet VTY, remove the implicit move up to the parent node when
a command did not succeed on the current node level.
When reading config files, this behavior was useful to allow skipping explicit
'exit' commands. (A different patch deals with that.)
In the telnet VTY, this behavior was never necessary. Explicit 'exit' commands
can move to the parent node, and typically uninformed users expect to require
that.
On a telnet VTY, counting indents like for reading config files is not an
option: a user will always type from the first column or may paste some leading
spaces without intended meaning.
After this patch, it is thus no longer possible to paste a complete config
across several node levels directly to a telnet session, unless it contains
'exit' commands.
Change-Id: Id73cba2dd34676bad8a130e9c45e67a272f19588
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Ensure that gsm48_parse_ra() and gsm48_construct_ra() behave properly.
Change-Id: I27117fe728407dd10886459e89ba4ff9d5e53e6b
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When doing UMTS AKA with AUTS, it can be interesting to know the SQN.MS that
was encoded in the AUTS. The only way to know this is to provide it as a
separate out-parameter from milenage_gen_vec_auts(), because the SQN.MS from
AUTS stored in umts.sqn is immediately modified non-trivially by
milenage_gen_vec(). Add sqn_ms to struct osmo_sub_auth_data to retain SQN.MS
even after a vector was generated.
Use this to print out SQN.MS for 'osmo-auc-gen -3 -A'.
Adjust test suite expectations.
Related: OS#2464
Change-Id: I9fc05bbf169d06716f40b995154fd42a3f91bef3
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Make ind_mask available in the main(){} scope, in order to print out
IND = SQN & ind_mask.
Adjust test suite expectations.
Related: OS#2465
Change-Id: I91eac53c4af66a58b9372d9baf5781fc9f29b1fc
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osmo-auc-gen so far does not allow indicating the IND bit length of SQN. A
default of 5 serves most practical cases, nevertheless we should allow passing
arbitrary IND lengths.
Enhance the test suite to test --ind-len.
Related: OS#2465
Change-Id: Ia1d8b6a823ffc92290b3e39e4e4665aeff80ccc0
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During UMTS AKA, the caller typically indicates which IND slot the next used
SQN should belong to. Without this option, osmo-auc-gen will always produce SQN
from IND-slot 0. Add --ind option.
Enhance the osmo-auc-gen_test.sh to expect errors with useful printouts on
stderr, and add tests that verify valid --ind ranges.
Related: OS#2465
Change-Id: Ib60eec80d58ca9a0a01e7fbd2bcbbd4339b1a6d8
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Most USIM out there seem to use IND-length = 5 bits, so do sysmousim-sjs1.
Currently from initialization we are using an IND length of zero in
osmo-auc-gen, which produces confusing SQN results after AUTS:
Where want SQN to be incremented to the next IND array, usually +32, an IND-len
of 0 makes for only +1.
As result, the osmo-auc-gen_test.sh produces SQN 32 instead of 24 after
receiving SQN.MS = 23 from AUTS: adjust test expectations.
Related: OS#2465
Change-Id: I9fcc11fa2b5816302dcc6b72249b1ee40d5a61f5
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osmo-auc-gen tries to be helpful by deriving the SQN.MS from the SQN that
resulted from AUTS + milenage_gen_vec(), but there is actually no way to derive
the actual AUTS SQN.MS from the resulting SQN.
Completely drop the printout to prevent confusion.
Adjust test suite expectations.
Related: OS#2464
Change-Id: Ie2432c6d6a23818f7b3a29b1295dcbb505e2be53
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Change-Id: I98c23ae6378a16cf3b76c90d4ea0dfcf61ff3033
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These PRBS sequences are specified in ITU-T O.150. They are typically
used as test data to be transmitted for BER (bit error rate) testing.
Change-Id: I227b6a6e86a251460ecb816afa9a7439d5fb94d1
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These fields can be in the ISD and the PDP Context inofmration. Store
pointers to this IE in both cases. It needs to be used by the SGSN
when opening a PDP context.
Change-Id: Iedc7c02adcf77ca5c9545119e19c968dfbbb3e6b
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In a string like
127.0.0.1:2905<->127.0.0.1:60661
it is hard to tell which is the local part. I'd have expected it on the left,
but it is actually on the right.
To avoid doubt and bypass bikesheds on which side should be what, clearly mark
the two sides as remote and local.
(r=127.0.0.1:2905<->l=127.0.0.1:60661)
Change-Id: I43dcc6a1906429bd0955fd7fe2eb5b8495b592d8
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Change-Id: I57fd3e1bf74ec24dec692710359a1ce00ecde75a
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The implementation of the parser/generator for the speech codec
information element slightly wrong, making it impossible to use
it properly.
(See also: 3GPP TS 48.008, 3.2.2.103)
Change-Id: Idabb0f9620659557672e1c6b90c75481192e5c89
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Change-Id: I31d5ffc0cf461d207d6c3d43aa0a25a5448d7000
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This way we clean the build of warnings completely and we can enable
-Werror but we still see this FIXME message while compiling.
Change-Id: I24c11226cd5bb5b6032f4ece7d1a0695dc82f0dd
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Several warnings like the one below are fixed:
warning: array subscript is below array bounds [-Warray-bounds]
uint8_t *unchanged_ptr = buf - 1;
Change-Id: I35d7d926939c14700cbca732bd64e588c75424b4
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Commit 0d4e949e229a649ffd0503d8e930dba8be7dd34d changed the code to use
functions with local variables holding the bytes, but forgot to remove
the old global variables.
This test fixes compilation warnings.
Change-Id: I140de30038222b0419423d8c4f9da1946651a4e7
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The deprecated function is just a wrapper, and it triggers a compilation
warning.
Change-Id: Iaac701bdf0c0e66c343f68cc31d82550a024ef57
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According to GCC's online docs:
When an inline function is not static, then the compiler must
assume that there may be calls from other source files; since
a global symbol can be defined only once in any program, the
function must not be defined in the other source files, so the
calls therein cannot be integrated. Therefore, a non-static
inline function is always compiled on its own in the usual fashion.
There is no any (performance or size) benefit from 'inline' keyword
in this particular file, so let's replace one by 'static'.
Change-Id: I11e1f1cfea09c6f0cf8225239e782b551d3eb52f
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Based on ETSI TS 101 318 section 5.1.2 the 95 bits SID code word
is not detected correctly due to a wrongful offset in the bits
location indexes.
Change-Id: I45d98c6edf267f313883503a65385190ffbc65ca
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our code is actually wrong, so let's skip the test until the fix is
applied in a follow-up patch.
Change-Id: I710c7871f959671deb3d18ab9062588f3056fd7c
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Compiling tests for disabled features breaks build.
Change-Id: Iebcc24b493092a5a8e3561d7642a0b4608a8beae
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Change-Id: I9e2e7fcda28e7c6844d5faa09e02acf537cea44d
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Change-Id: Ic3d5da00f7ece6dbcd4c999187a5748c9331e60f
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We need to have an architecture-independend way of endian conversion /
byte swapping functions which will also work on embedded (bare iron)
builds. Let's introduce osmocom/core/bytesawp.h for this purpose.
Change-Id: Ibc0cc1e36d4ed63a35cf8ceff3af0f26e5ac7a3d
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Previously the 'passed' variable in test_expansion() was being
overwritten on every call of _compare_mem(), so only the result
of last call influenced the test result.
Change-Id: Ibf3ab453c20c7eeec234b95bfe14b497c572c35f
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Add a new function timer function to set up the timer, similar to what
we have in the Linux kernel. This patch also converts existing opencoded
timer setup in the libosmocore tree as initial client of this new
function.
This patch implicitly removes function callback passed by reference that
defeat compile time type validation.
Compile-tested only, but I ran make check that reports success when
testing timer infrastructure.
Change-Id: I2fa49972ecaab3748b25168b26d92034e9145666
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* remove unused parameter from logging_vty_add_cmds()
* mark log level descriptors static
* change internal static function int check_log_to_target() to more
appropriate bool should_log_to_target()
* deprecate log_vty_command_*() from public API as it should only be
used by logging_vty_add_cmds()
Change-Id: I0e9ddd7ba3ce211302d99a3494eb408907a2916e
Related: OS#71
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This change extends the convolutional code test coverage, adding
the GSM 05.03 specific test vectors, generated by the conv_gen.py.
Inspired by Tom's patch:
http://lists.osmocom.org/pipermail/openbsc/2014-April/007364.html
Change-Id: I76d1cd4032d2f74c5bb93bde4fab99aa655b7f1a
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* data structure representing 3GPP TS 52.021 ยง9.4.62 SW Description
* function to serialize it into msgb
* function to deserialize it from buffer
* functions to extract/estimate buffer size for SW Description
* test harness (partially taken from OpenBSC)
There are several similar functions to deal with SW Description in
OpenBSC, there's also need to use similar functionality in
OsmoBTS. Hence it's better to put the code into common library with
proper tests and documentation.
Change-Id: Ib63b6b5e83b8914864fc7edd789f8958cdc993cd
Related: OS#1614
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This allows programmatic access to introspection of FSM instances, which
is quite handy from e.g. external test cases: Send a message to the
code, then use the CTRL interface to check if that message has triggered
the right kind of state transition.
Change-Id: I0f80340ee9c61c88962fdd6764a6098a844d0d1e
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Sometimes (particularly when testing), we may want to parse+execute an
arbitrary control command simply form a string buffer, rather than from
a msgb. Let's add a helper for that.
Change-Id: Iaca748e0d942bb2a1ee7c2776b37485e1439eb0c
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Introduce two lookup helper functions to resolve a fsm_instance based on
the FSM and name or ID. Also, add related test cases.
Change-Id: I707f3ed2795c28a924e64adc612d378c21baa815
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The old osmo_sock_init() function allows only either a bind (for a
server socket), or a connect (for a client socket), but not both
together. So there's no way to have a client socket that is bound to a
specific local IP and/or port, which is needed for some use cases.
Change-Id: Idab124bcca47872f55311a82d6818aed590965e6
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The create function to generate the RESET ACKNOWLEDGE
message is not accessible from outside, as it does not
appear in limosmogsm.map. It also has not testcase.
This commit adds gsm0808_create_reset_ack() to the
map file and also adds a testcase.
Change-Id: I82d3411484f82b4a9205d407fa0442244678f183
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gsm0808.h/c lacks functionality to generate BSS_MAP_MSG_ASSIGMENT_RQST messages.
These messages are required if the code is used in an MSC implementation.
This commit adds a gsm0808_create_assignment() function, that generates an
A/AoiP BSS_MAP_MSG_PAGING message.
Change-Id: I4d1d455a1e1cf95407e23ded7b7defbcf2dd6ff0
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gsm0808.h/c lacks functionality to generate BSS_MAP_MSG_PAGING messages. These
messages are required if the code is used in an MSC implementation.
This commit adds a gsm0808_create_paging() function, that generates an A/AoiP
BSS_MAP_MSG_PAGING message.
Change-Id: I9afecf0109305ca5153bf081bb29cd94071dd2b7
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gsm0808.h/c lacks functionality to generate CIPHER MODE COMMAND messages. These
messages are required if the code is used in an MSC implementation.
This commit adds a gsm0808_create_cipher() function, that generates an A/AoiP
CIPHER MODE COMMAND message.
Change-Id: I8eb1c357860c3e740b0f5d17e1c256bc87920958
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The planned support for true A over IP requires the encoding of
the a Cell Identifier List element (see also BSS_MAP_MSG_PAGING).
This commt adds encoding/decoding functionality and tests for
the element mentioned above, however, it is not yet actively used.
Change-Id: I625245dd1dd396fc2bc189e8cd2c444a33042528
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The planned support for true A over IP requires the encoding of
the an Encryption Information element (see also BSS_MAP_MSG_CIPHER_MODE_CMD).
This commt adds encoding/decoding functionality and tests for
the element mentioned above, however, it is not yet actively used.
Change-Id: I8262050a9d9fd3f17462cfbb046c6e034dccc6fb
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The planned support for true A over IP requires the encoding of
the a Channel Type element (see also ASSIGNMENT REQUEST).
This commt adds encoding/decoding functionality and tests for
the element mentioned above, however, it is not yet actively used.
Change-Id: Id0e2164d84b8cbcc6fe6a090fc7f40a1251421d7
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the classic A implementation in libosmocore lacks support for AoIP
message elements. This patch adds support for AoIP by adding a set
of new gsm0808_create_..., which support the missing AoIP message
elements
Change-Id: I77f866abec1822d19871052f3c647ad782785b34
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The planned support for true A over IP requires the encoding and
decoding of a so called "Speech Codec Element" element.
This commt adds parsing functionality and tests for the element
mentioned above, however, it is not yet actively used.
Change-Id: I0e1e2edf47adaa45b22d4b0bcae3640dba7ca200
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The planned support for true A over IP requires the encoding and
decoding of a so called "AoIP Transport Layer Address" element.
This commt adds parsing functionality and tests for the element
mentioned above, however, it is not yet actively used.
Change-Id: I57933b0a06a3f54ec2a41e6ecb6ced9fbbc89332
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Don't use CTRL_TYPE_UNKNOWN as value_string[] terminator, use an explicit, more
obvious { 0, NULL } termination. Set an explicit string for CTRL_TYPE_UNKNOWN.
No other value_string[]s to date have such a "hidden" terminator.
BTW, a { 0, "string" } item is not a terminator, only { 0, NULL } is, so we can
set a string for CTRL_TYPE_UNKNOWN == 0.
Also, having a string value for CTRL_TYPE_UNKNOWN is not harmful because all
code paths explicitly check for the CTRL_TYPE_*s that are valid.
Adjust the test expectation.
From the ctrl_type_vals enum, remove the = 0, because it is implicitly 0
anyway.
One motivation to press this fixup: I am trying to add a script that checks
whether all value_string[]s are terminated to our jenkins jobs, and to find
that this one is terminated, it would need to interpret the CTRL_TYPE_UNKNOWN
constant, which would make things far more complex. At this point, all of the
value_string[]s have an explicit termination, and I would like to enforce this
from now on -- for readable code and to not spend more time on the validator.
The patch adding ctrl_type_vals (Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28) was
accepted by another reviewer before I could reconfirm my -1, so this is a fixup
to enable the termination checking script patches.
Related: I2bc93ab4781487e7685cfb63091a489cd126b1a8 (adds script to libosmocore)
I7fe3678b524d602fc6aa14bc0ed06308df809a3e (uses in jenkins.sh)
Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28 (adds ctrl_type_vals)
Change-Id: Ia99f37464c7b36b587da2cc78f52c82725f02cbc
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