| Commit message (Collapse) | Author | Age | Files | Lines |
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For example encode_auth_info() from gsup.c calls
msgb_tlv_put(msg, iei, 0, NULL)
to put a tag and len with content data following later.
However, this would cause a memcpy() from a NULL pointer, in tlv_put(). Allow
passing NULL and len = 0 for cases like the above:
If val is NULL, use memset(0) instead of memcpy().
If len is zero, do not copy nor memset anything.
Hence make tlv_put() behave in a well-defined and valid way for any and all
input args; no negative fallout is possible from this patch.
Add proper API doc comment.
Fixes a sanitizer build failure in gsup_test:
../../../../src/libosmocore/include/osmocom/gsm/tlv.h:99:2: runtime error: null pointer passed as argument 2, which is declared to never be null
Helps fix sanitizer build on debian 9.
Change-Id: I13dce9cd1228817890d3e81edeeb660c893c1d64
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Let's hence not call the group "GSM L3 compatible TLV parser"
Change-Id: Ic53f9c0d5ee787f994f42cf2aff313c6e131fbe6
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In the Protocol Configuration Options IE (see 3GPP TS 24.008 10.5.6.3)
there is yet another new TLV format (derived from PPP IPCP/LCP/...)
which uses 16bit tag and 8bit length. Let's add functions so we can
generate related TLVs. Parsing is unfortunately not possible in our
existing structure as our tlv_parsed array only has 256 entries and
thus cannot cope with 16bit tags.
Change-Id: I9799130e2eba8fae8c4480fbb8a900c30232b694
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Considering the various styles and implications found in the sources, edit
scores of files to follow the same API doc guidelines around the doxygen
grouping and the \file tag.
Many files now show a short description in the generated API doc that was so
far only available as C comment.
The guidelines and reasoning behind it is documented at
https://osmocom.org/projects/cellular-infrastructure/wiki/Guidelines_for_API_documentation
In some instances, remove file comments and add to the corresponding group
instead, to be shared among several files (e.g. bitvec).
Change-Id: Ifa70e77e90462b5eb2b0457c70fd25275910c72b
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Especially for short descriptions, it is annoying to have to type \brief for
every single API doc.
Drop all \brief and enable the AUTOBRIEF feature of doxygen, which always takes
the first sentence of an API doc as the brief description.
Change-Id: I11a8a821b065a128108641a2a63fb5a2b1916e87
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Change-Id: Id52ddd8358fd4af1ecc71142deb09f1e237021f3
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Change-Id: I3749e1e4974742bc8c32722e0e998775b5394829
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Add functions to copy and merge parsed TLV structures from OsmoBTS.
Change-Id: Ieaaaed19da9c069fe451faa53d24c5b84d7d5615
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These routines have nothing to do with specifically the BSC, so import
them to the TLV parser we keep in libosmogsm.
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This is an import from osmo-bts where it was introduced in
6b561bb7ba5f10c5fd96542a7e42de2822352a67
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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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This is required for CPUs < armv6, to access 16 and 32 values at right
memory locations.
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This new TLV type is specific to TS 44.318. Contrary to the TvLV type
of TS 08.16/08.18, it has an inverted meaning of the extension (0x80)
bit:
* if the extension bit is not set, 1-byte length
* if the extension bit is set, 2-byte length
Futhermore, it has support for variable-length tags, where the tag part
can be optionally two bytes in length. As this esoteric option hasn't
been seen in the wild yet, we only add encoding support but skip
decoding for now.
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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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The msgb_*_push() functions erroneously returned the firsrt byte after
newly-pushed information, which makes no sense at all.
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This was introduced by me in commit
79599ba0eb7a9aeaeb9dfbbf4881f0633724a471
Thanks to Alexander Huemer for detecting it
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If we encounter a tag with 0xFF, we overflow our existing tlv_parse
array definitions.
Warning: this breaks ABI
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This patch moves all GSM-specific definitions to include/osmocom/gsm.
Moreover, the headers in include/osmocore/ have been moved to
include/osmocom/core.
This has been proposed by Harald Welte and Sylvain Munaunt.
Tested with `make distcheck'.
Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
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