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* Reduce memmoves in memory BIOs.jsing2022-02-191-22/+38
| | | | | | | | | | | | | | | | | Currently, a read/write memory BIO pulls up the data via memmove() on each read. This becomes very expensive when a lot of small reads are performed, especially if there is a reasonable amount of data stored in the memory BIO. Instead, store a read offset into the buffer and only perform a memmove() to pull up the data on a write, if we have read more than 4096 bytes. This way we only perform memmove() when the space saving will potentially be of benefit, while avoiding frequent memmove() in the case of small interleaved reads and writes. Should address oss-fuzz #19881. ok inoguchi@ tb@
* Provide a struct bio_mem for memory BIO specific data.jsing2022-02-191-47/+58
| | | | | | | | | In order to fix and improve the memory BIO, we need to be able to track more than just a single BUF_MEM *. Provide a struct bio_mem (which currently only contains a BUF_MEM *) and rework the internals to use this struct. ok inoguchi@ tb@
* Clean up and simplify memory BIO code.jsing2022-02-181-124/+139
| | | | | | | | This is a first pass that uses sensible and consistent names for variables. Call the BIO 'bio' (instead of 'a', 'b', 'bp', or 'h'), drop a bunch of unnecessary casts, simplify some logic and add additional error checking. With input from and ok tb@
* Implement new-style OpenSSL BIO callbackstb2022-01-1410-130/+251
| | | | | | | | | | This provides support for new-style BIO callbacks in BIO_{read,write,gets,puts}() and a helper function to work out whether it should call the new or the old style callback. It also adds a few typedefs and minor code cleanup as well as the BIO_{get,set}_callback_ex() from jsing, ok tb
* Make structs in bio.h opaquetb2022-01-142-60/+60
| | | | | | | Move BIO, BIO_METHOD and BIO_F_BUFFER_CTX to bio_local.h and provide BIO typedef in ossl_typ.h. ok inoguchi jsing
* Remove BIO_s_file_internaltb2022-01-141-4/+1
| | | | | | | Pointed out by schwarze. How something with this name ever made its way into a public header will remain a mystery. ok inoguchi jsing
* Unifdef LIBRESSL_OPAQUE_* and LIBRESSL_NEXT_APItb2022-01-141-5/+1
| | | | | This marks the start of major surgery in libcrypto. Do not attempt to build the tree for a while (~50 commits).
* Add a new, mostly empty, bio_local.h and include it in the filestb2022-01-0717-16/+114
| | | | | | that will need it in the upcoming bump. discussed with jsing
* Prepare to provide BIO_set_retry_reason()tb2022-01-052-2/+11
| | | | | | Needed by freerdp. ok inoguchi jsing
* Prepare to provide BIO_set_next().tb2022-01-052-2/+11
| | | | | | This will be needed in libssl and freerdp after the next bump. ok inoguchi jsing
* Fix an issue that might possibly turn into a DOS depending onschwarze2021-12-091-3/+3
| | | | | | | | | | how application software uses the API function BIO_indent(3): If the caller asks for some output, but not more than some negative number of bytes, give them zero bytes of output rather than drowning them in nearly INT_MAX bytes. OK tb@
* Hide BIO_s_file_internal() from internal view.tb2021-11-291-2/+4
| | | | ok jsing
* Unifdef LIBRESSL_NEW_API. Now that the library is bumped, this istb2021-11-011-3/+1
| | | | | | no longer needed. ok jsing
* Prepare to provide BIO_get_init()tb2021-10-242-5/+14
| | | | ok beck jsing
* While the traditional OpenSSL return value and behaviour of BIO_dump(3)beck2021-07-111-5/+10
| | | | | | | | | | | is pure comedy gold, and now documented as such, sadly this bit of pure Muppet genius can't really in good consience stay in the tree as is. Change BIO_dump to always return the number of bytes printed on success and to stop printing and return -1 on failure if a writing function fails. ok tb@, jsing@
* Avoid mangled output in BIO_debug_callbacktb2021-03-251-4/+12
| | | | | | | Instead of blindly skipping 14 characters, we can use the return value of snprintf() to determine how much we should skip. From Martin Vahlensieck with minor tweaks by me
* failed to detect asprintf() error by observing return of -1, instead thederaadt2019-06-281-6/+3
| | | | | code was inspecting the pointer (which is, sadly, undefined on error, because the current specification of asprintf is crazy sloppy)
* Add input validation to BIO_read()/BIO_write().jsing2019-04-141-4/+14
| | | | | | | | | Some bread/bwrite functions implement this themselves, while others do not. This makes it consistent across all BIO implementations. Addresses an issue that Guido Vranken found with his fuzzer. ok tb@
* Add const to the argument of the following callback getters:tb2018-06-022-18/+18
| | | | | | | | BIO_meth_get_callback_ctrl, BIO_meth_get_create, BIO_meth_get_ctrl, BIO_meth_get_destroy, BIO_meth_get_gets, BIO_meth_get_puts, BIO_meth_get_read, and BIO_meth_get_write. ok jsing
* Add a const qualifier to the return value of BIO_s_file().tb2018-05-302-5/+5
| | | | | tested in a bulk build by sthen ok bcook, jsing
* const qualifiers for BIO_new_mem_buf(), BIO_new_connect() andtb2018-05-124-11/+11
| | | | | | | | BIO_new_accept(). The one for BIO_new_mem_buf() is a bit ugly since it needs to cast away the newly added const qualifier, as in OpenSSL commit 8ab31975bac. ok jsing
* Add const qualifiers to the return values of BIO_s_mem() andtb2018-05-123-9/+9
| | | | | | BIO_s_datagram(). ok jsing
* const for BIO_{new,set}() and most of the BIO_{f,s}_*() family oftb2018-05-0112-47/+47
| | | | | | functions. ok beck, jsing
* Bring in compatibility for OpenSSL 1.1 style init functions.beck2018-03-171-1/+3
| | | | | | | | | This adds OPENSSL_init_crypto and OPENSSL_init_ssl, as well thread safety modifications for the existing LibreSSL init functions. The initialization routines are called automatically by the normal entry points into the library, as in newer OpenSSL ok jsing@, nits by tb@ and deraadt@
* Make BIO_meth_get_write() public. Omission spotted by schwarze.tb2018-03-171-1/+2
| | | | ok jsing
* Provide BIO_up_ref().jsing2018-02-222-2/+10
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* whitespace nittb2018-02-201-2/+2
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* Provide BIO_meth_{g,s}et_callback_ctrl()tb2018-02-202-2/+22
| | | | with & ok jsing
* Provide BIO_meth_get_{create,ctrl,destroy,gets,puts,read}()tb2018-02-202-2/+50
| | | | ok jsing
* Zap an 'int' that snuck in.tb2018-02-201-3/+2
| | | | ok jsing
* Provide BIO_{g,s}et_shutdown().tb2018-02-202-2/+16
| | | | ok jsing
* Provide BIO_get_new_index().jsing2018-02-202-2/+23
| | | | Based on BoringSSL.
* Provide BIO_meth_set_gets().tb2018-02-182-2/+10
| | | | ok jsing
* Provide BIO_{g,s}et_data() and BIO_set_init().tb2018-02-182-2/+23
| | | | ok jsing
* Provide BIO_meth_{free,new}() and BIO_meth_set_{create,crtl,destroy}()tb2018-02-172-1/+94
| | | | | | and BIO_meth_set_{puts,read,write}(). ok jsing
* Restore the old behavior when a port number without a host name isbluhm2018-02-071-10/+12
| | | | | | passed to BIO_get_accept_socket(). This is part of the API and it fixes "openssl ocsp -port 12345" in server mode. from markus@; OK jsing@ beck@
* Do not call freeaddrinfo() with a NULL parameter.bluhm2018-02-061-2/+3
| | | | OK jsing@
* No original OpenSSL code remains in this file. Relicensebeck2017-04-301-54/+13
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* Make BIO_get_host_ip just yet another getaddrinfo wrapperbeck2017-04-301-27/+20
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* Rework BIO_accept to be more like modern code.beck2017-04-301-54/+19
| | | | ok jsing@
* Microsoft Windows hates BIO_get_accept_socket in portable. Fix it tobeck2017-04-301-115/+35
| | | | | | not be awful or have any claims on supporting ipv6 when it does so very badly ok jsing@
* trailing ; on end of macro definition is wrong; ok guentherderaadt2017-04-061-4/+4
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* Send the function codes from the error functions to the bit bucket,beck2017-01-2910-115/+75
| | | | | | as was done earlier in libssl. Thanks inoguchi@ for noticing libssl had more reacharounds into this. ok jsing@ inoguchi@
* Delete completely useless crap and just use getaddrinfo. Fix man pagebeck2016-12-201-44/+7
| | | | | | | while we're at it. Note for the nostalgic, since "wais" is still an alias in /etc/services it will continue to work.. ok deraadt@ millert@ krw@
* remove NULL-checks before free()mmcc2015-12-231-5/+3
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* Pull in <sys/types.h> to get ssize_t or <stdint.h> to get uint32_t, instead ofmiod2015-10-301-1/+2
| | | | | relying upon previously included headers to do this, to enhance portability; from Pascal Cuoq, libressl github pull request #52
* Correct #if/else logic in BIO's dgram_ctrl.doug2015-07-201-3/+3
| | | | | | | | | Coverity issue 72741 noticed that ret is being overwritten before use. The actual issue is that the #if/else logic is guarding the wrong lines. Besides impacting ret, this also made the case's break logic wrong because it was in the wrong location. ok bcook@ beck@
* Drop stupid (int) casts for the arguments of malloc() and friends. This ismiod2015-07-192-6/+6
| | | | | not 16-bit MS-DOS anymore. ok bcook@ tedu@
* Fix Coverity 72742 - ret is overwritten immediately after this.beck2015-07-191-2/+1
| | | | ok doug@
* Dead code, Coverity 78798beck2015-07-181-3/+1
| | | | ok bcook@ doug@
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