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Change subject: ccid_slot_fsm.c: Reject T=0 TPDU > 260 bytes
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Patch Set 1: Code-Review+1
(1 comment)
Patchset:
PS1:
maybe we should do a euicc/esim provisioning to test this.
I did a regular usim test with a phone and everything works fine.
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Change subject: Use talloc to allocate asn1c decoded structs
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Patch Set 2:
(1 comment)
File src/tcap.c:
https://gerrit.osmocom.org/c/libosmo-asn1-tcap/+/42219/comment/4cc9804b_f15… :
PS2, Line 29: vo
> AFAIU that would mean now any program linking against libosmo-sigtran would break because it would r […]
We could mark it as a week symbol to avoid breakage "void *tcap_talloc_asn1_ctx __attribute__((weak));" , but then again I see no benefit over having a function API to set it...
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Change subject: ccid_device: Reject XfrBlock with zero-length data
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Patch Set 1: Code-Review+1
(1 comment)
Patchset:
PS1:
> well, that is then how pcscd + the application deals with it, fine. […]
I don't have a strong opinion.
I'm fine with this patch. It is more a question, do we want to reject here 0 byte messages in the ccid layer?
And do we want to have a second patch which rejects messages < 5 in the iso_fsm_slot_xfr_block_async() as you do similar for messages > 260 in the next change/commit?
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Change subject: Use talloc to allocate asn1c decoded structs
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Patch Set 2:
(1 comment)
File src/tcap.c:
https://gerrit.osmocom.org/c/libosmo-asn1-tcap/+/42219/comment/848ee6fb_b03… :
PS2, Line 29: vo
> > it's still inconsistent with how we do it in libasn1c […]
AFAIU that would mean now any program linking against libosmo-sigtran would break because it would require tcap_talloc_asn1_ctx to be defined, which doesn't sound good at all.
osmo_asn1_tcap_set_talloc_ctx() allows setting it optionally by the app. If not set, it uses the NULL ctx.
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Change subject: Use talloc to allocate asn1c decoded structs
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Patch Set 2:
(1 comment)
File src/tcap.c:
https://gerrit.osmocom.org/c/libosmo-asn1-tcap/+/42219/comment/4a7d4106_167… :
PS2, Line 29: vo
> it's still inconsistent with how we do it in libasn1c
So your proposal then iiuc would be to leave the tcap_talloc_asn1_ctx public as extern, and then let eg. osmo-stp (stp_main.c) define it?
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Change subject: Use talloc to allocate asn1c decoded structs
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Patch Set 2:
(1 comment)
File src/tcap.c:
https://gerrit.osmocom.org/c/libosmo-asn1-tcap/+/42219/comment/7a04f583_07f… :
PS2, Line 29: vo
> we're not using some linker script to hide symbols from exporting
we are, see libosmo_asn1_tcap_la_LDFLAGS in my previous comment.
> I would say if we go for a setter method, then there should be a getter method and no publicly visible context symbol at all.
The symbol is not visible as per mentioned above. The pointer can be obtained by using the return of the API osmo_asn1_tcap_set_talloc_ctx().
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