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* krb5_rd_rep could leak memory through its output parameter on error.Greg Hudson2009-05-041-26/+34
| | | | | | | Adjust the flow control so that *repl is NULL on error and the memory allocated by decode_krb5_ap_rep_enc_part is freed. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22305 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak in krb5int_rd_chpw_rep in a block of code handlingGreg Hudson2009-05-021-4/+5
| | | | | | | | buggy MS KDC behavior. It's not entirely clear what should happen in the case where memory was leaked (error packet received containing e_data) so pick a conservative option. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22303 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak by reorganizing krb5_principal_internalize to useGreg Hudson2009-05-011-34/+34
| | | | | | | the recommended flow control for error handling. Also initialize the output parameter so that it is set in case of error. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22302 dc483132-0cff-0310-8789-dd5450dbe970
* Check return value of ftell() in krb5_ktfileint_find_slotGreg Hudson2009-05-011-0/+4
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22301 dc483132-0cff-0310-8789-dd5450dbe970
* Move an error check to an earlier location in krb5_524_conv_principalGreg Hudson2009-05-011-2/+3
| | | | | | to fix a memory leak. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22300 dc483132-0cff-0310-8789-dd5450dbe970
* make dependSam Hartman2009-04-304-2/+15
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22299 dc483132-0cff-0310-8789-dd5450dbe970
* Implement DES and 3DES PRF. Patch fromKAMADA Ken'ichiSam Hartman2009-04-307-12/+88
| | | | | | | | | | | | | Currently the DES and 3DES PRF output 16-byte results. This is consistent with RFC 3961, but we need to confirm it is consistent with Heimdal and WG decisions. See IETF 74 minutes for some discussion of the concern as it applies to AES and thus possibly all simplified profile enctypes. ticket: 5587 Tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22298 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_kt_resolve, ensure that the output parameter is set to NULL onGreg Hudson2009-04-301-5/+9
| | | | | | failure even if the underlying resolver doesn't do that properly. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22297 dc483132-0cff-0310-8789-dd5450dbe970
* In ktfile_common_resolve, set the output pointer to NULL on error, andGreg Hudson2009-04-301-25/+29
| | | | | | | use a cleanup label instead of freeing the same resources in multiple error handling blocks. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22296 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak by reorganizing krb5_ktf_keytab_internalize to useGreg Hudson2009-04-301-80/+70
| | | | | | | | | the recommended exception-handling flow control. Eliminate the check for ktdata being null after resolution because that's not possible. Add a check for the resolved keytab being of a different type, since that would result in data structure corruption. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22295 dc483132-0cff-0310-8789-dd5450dbe970
* Add DEBUG_ERROR_LOCATIONS supportGreg Hudson2009-04-292-0/+24
| | | | | | | | | | | | If DEBUG_ERROR_LOCATIONS is defined, replace uses of krb5_set_error_message and krb5int_set_error with calls to the new _fl variants of those functions, and include filename and line number information in the calls. Requires C99-style variadic macros if defined. ticket: 6479 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22291 dc483132-0cff-0310-8789-dd5450dbe970
* Fix handling of RET_SEQUENCE flag in mk_priv/mk_ncredGreg Hudson2009-04-283-13/+6
| | | | | | | | | | | | | | | | | Regularize the handling of KRB5_AUTH_CONTEXT_RET_SEQUENCE in krb5_mk_safe, krb5_mk_priv, and krb5_mk_ncred, using krb5_mk_safe as a baseline. RET_SEQUENCE now implies DO_SEQUENCE for all three functions, the sequence number is always incremented if it is used, and outdata->seq is always set if RET_SEQUENCE is passed. Note that in the corresponding rd_ functions, RET_SEQUENCE and DO_SEQUENCE are independent flags, which is not consistent with the above. This compromise is intended to preserve compatibility with any working code which might exist using the RET_SEQUENCE flag. ticket: 6478 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22288 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a couple of memory leaks in krb5int_sendto, reworking the errorGreg Hudson2009-04-281-32/+23
| | | | | | handling a bit for cleanliness in the process. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22286 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak in aname_replacer using the recommended flow controlGreg Hudson2009-04-281-87/+92
| | | | | | for exception handling. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22285 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak in module_locate_serverGreg Hudson2009-04-281-1/+3
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22284 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a few memory leaks in krb5_mk_ncred. Also tighten up the errorGreg Hudson2009-04-271-16/+18
| | | | | | | | handling of the sequence number, only decreasing it if it was increased. The handling of DO_SEQUENCE and RET_SEQUENCE may still be flawed in some cases. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22283 dc483132-0cff-0310-8789-dd5450dbe970
* Fix an unchecked use of fwrite in krb5_ktfileint_delete_entryGreg Hudson2009-04-271-1/+3
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22282 dc483132-0cff-0310-8789-dd5450dbe970
* Move KRB5_KDB_OK_AS_DELEGATE from kdb_ext.h to kdb.h. Add kadminGreg Hudson2009-04-271-0/+3
| | | | | | | | | | | support for the flag. In the KDC, remove the restriction on returning the flag on cross-realm TGTs since there is now a defined meaning for that (it allows ok-as-delegate to be honored on the foreign realm's service tickets). ticket: 5596 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22281 dc483132-0cff-0310-8789-dd5450dbe970
* make installed headers C++-safeKen Raeburn2009-04-251-0/+14
| | | | | | | | | | | | Now that we're installing the kadm5 headers, they should be C++-safe like the others. Wrap the content in 'extern "C"' if compiling as C++. New test program to verify. ticket: 6477 target_version: 1.7 tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22280 dc483132-0cff-0310-8789-dd5450dbe970
* Simplify and shorten krb5_ktfileint_find_slot, and properly handle theGreg Hudson2009-04-241-99/+40
| | | | | | | | commit_point output parameter. ticket: 6475 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22279 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_ktfileint_find_slot, don't continue the loop when we find aGreg Hudson2009-04-241-0/+1
| | | | | | | | | | | | final zero-length buffer. This is a minimal fix intended to be pulled up to the 1.7 branch; a code cleanup commit will follow. ticket: 6475 status: open tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22278 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_principal_compare_flags, improve clarity slightly by using aGreg Hudson2009-04-231-9/+8
| | | | | | | boolean temporary instead of an ordering temporary in the loop over the elements, since we only care about the boolean result. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22277 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_rcache_externalize, remove a pointless null check of a pointerGreg Hudson2009-04-231-32/+44
| | | | | | | | we just dereferenced. Rewrite krb5_rcache_internalize to use the recommended cleanup flow control, closing a memory leak in the process. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22276 dc483132-0cff-0310-8789-dd5450dbe970
* Close a memory leak in asn1_decode_etype_info2_entry_1_3Greg Hudson2009-04-231-1/+4
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22275 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_fcc_read, remove an assert which could never trigger (becauseGreg Hudson2009-04-231-1/+0
| | | | | | len is unsigned and cannot be less than zero). git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22274 dc483132-0cff-0310-8789-dd5450dbe970
* Fix an error-handling block in sendto_kdc.c's setup_connection() whichGreg Hudson2009-04-231-2/+0
| | | | | | would always attempt to close -1. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22273 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_get_cred_via_tkt, strip the ok-as-delegate flag fromGreg Hudson2009-04-231-0/+18
| | | | | | | | | | credentials obtained using a foreign TGT, unless the TGT also has ok-as-delegate set. ticket: 6473 tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22272 dc483132-0cff-0310-8789-dd5450dbe970
* krb5_fcc_generate_new was destroying a locked mutex in the err_outGreg Hudson2009-04-131-0/+1
| | | | | | label, which is used for I/O failures. Unlock the mutex first. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22200 dc483132-0cff-0310-8789-dd5450dbe970
* In pa_sam, remove a gratuitous null check for etype which wasGreg Hudson2009-04-131-1/+1
| | | | | | immediately followed by dereferencing etype. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22199 dc483132-0cff-0310-8789-dd5450dbe970
* Make krb5_mkt_resolve error handling workGreg Hudson2009-04-131-69/+77
| | | | | | | | | | | | Very little is likely to go wrong inside krb5_mkt_resolve (it just allocates memory and plays with mutexes), but if anything did, the handling was almost always wrong. Reorganize the function to handle errors properly, using a helper create_list_node function to simplify the task. ticket: 6454 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22198 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5int_dns_init, fix a malloc-returning-null check which could letGreg Hudson2009-04-131-1/+1
| | | | | | a null result slip past. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22197 dc483132-0cff-0310-8789-dd5450dbe970
* More dead code elimination. When asprintf was used the varaible namelen wasEzra Peisach2009-04-121-5/+0
| | | | | | | | | no longer necessary. ticket: 6453 status: open git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22196 dc483132-0cff-0310-8789-dd5450dbe970
* remove dead codeEzra Peisach2009-04-122-7/+1
| | | | | | | | | Remove some more dead code assignment - where the variable is immediately assigned in the next statement - or not used at all. ticket: 6453 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22195 dc483132-0cff-0310-8789-dd5450dbe970
* Remove dead assignment of variables that are never usedEzra Peisach2009-04-122-5/+1
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22194 dc483132-0cff-0310-8789-dd5450dbe970
* In krb5_get_in_tkt, r7002 introduced an unused local variableGreg Hudson2009-04-101-4/+1
| | | | | | | | | "padata". It was accidentally used in r18641 instead of preauth_to_use when sorting the received padata sequence, causing the sort to be a no-op. Sort the correct sequence and eliminate the unused local variable. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22193 dc483132-0cff-0310-8789-dd5450dbe970
* Simplify the coupling of problem to response code in recvauth_common,Greg Hudson2009-04-101-29/+9
| | | | | | eliminating a big switch statement with a dead-code default block. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22192 dc483132-0cff-0310-8789-dd5450dbe970
* Remove an unnecessary cleanup in krb5_cc_set_default_nameGreg Hudson2009-04-101-2/+0
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22191 dc483132-0cff-0310-8789-dd5450dbe970
* Check the return value of krb5_timeofday in krb5int_populate_gic_opt.Greg Hudson2009-04-101-1/+7
| | | | | | Also initialize krb5int_populate_gic_opt's output variable. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22190 dc483132-0cff-0310-8789-dd5450dbe970
* Check return value of krb5int_copy_data_contents in preauth2.c'sGreg Hudson2009-04-101-1/+4
| | | | | | pa_salt. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22189 dc483132-0cff-0310-8789-dd5450dbe970
* Using a patch from Apple, add support for GSS_C_DELEG_POLICY_FLAG,Greg Hudson2009-04-082-1/+11
| | | | | | | | | | | which requests delegation only if the ok-as-delegate ticket flag is set. ticket: 6203 tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22185 dc483132-0cff-0310-8789-dd5450dbe970
* mk_safe and mk_priv require the local address to be set in the authGreg Hudson2009-04-085-54/+60
| | | | | | | | | | context; rd_safe and rd_priv require the remote address to be set. Create error codes for both kinds of missing addresses and stop trying futilely to handle the cases where they are not set. ticket: 1165 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22184 dc483132-0cff-0310-8789-dd5450dbe970
* When getting initial credentials with a password, try the master ifGreg Hudson2009-04-081-2/+1
| | | | | | | | | | | | preauth fails on a slave, since preauth can fail due to an out-of-date key. This removes a snippet added in r14939 which was considering only hardware preauth. ticket: 6108 tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22182 dc483132-0cff-0310-8789-dd5450dbe970
* CVE-2009-0846 asn1_decode_generaltime can free uninitialized pointerTom Yu2009-04-071-0/+1
| | | | | | | | | | | The asn1_decode_generaltime() function can free an uninitialized pointer if asn1buf_remove_charstring() fails. ticket: 6445 tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22176 dc483132-0cff-0310-8789-dd5450dbe970
* CVE-2009-0847 asn1buf_imbed incorrect length validationTom Yu2009-04-071-2/+4
| | | | | | | | | | | | | | | | | | asn1buf_imbed() can perform pointer arithmetic that causes the "bound" pointer of the subbuffer to be less than the "next" pointer. This can lead to malloc() failure or crash. In asn1buf_imbed(), check the length before doing arithmetic to set subbuf->bound. In asn1buf_remove_octetstring() and asn1buf_remove_charstring(), check for invalid buffer pointers before executing an unsigned length check against a (casted to size_t) negative number. ticket: 6444 tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22175 dc483132-0cff-0310-8789-dd5450dbe970
* CVE-2009-0844 SPNEGO can read beyond buffer endTom Yu2009-04-071-27/+24
| | | | | | | | | | | | | | | SPNEGO can read beyond the end of a buffer if the claimed DER length exceeds the number of bytes in the input buffer. This can lead to crash or information disclosure. Thanks to Apple for reporting this vulnerability and providing patches. ticket: 6443 tags: pullup target_version: 1.7 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22174 dc483132-0cff-0310-8789-dd5450dbe970
* Apply revised patch from Apple that ensures that a REJECT token isTom Yu2009-04-071-3/+5
| | | | | | | | sent on error. ticket: 6417 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22173 dc483132-0cff-0310-8789-dd5450dbe970
* fix logic errorsSam Hartman2009-04-041-1/+1
| | | | | | ticket: 6436 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22170 dc483132-0cff-0310-8789-dd5450dbe970
* Adjust the logic in rule_an_to_ln to avoid a "can't happen" case ofGreg Hudson2009-04-031-5/+7
| | | | | | | strchr returning null when searching for a character we know is there. Also properly return ENOMEM if we fail to allocate selstring. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22169 dc483132-0cff-0310-8789-dd5450dbe970
* Merge fast branch at 22166 onto trunkSam Hartman2009-04-0312-40/+162
| | | | | | ticket: 6436 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22167 dc483132-0cff-0310-8789-dd5450dbe970
* Unfortunately, pre-1.7 krshd fails to support keyed checksums becauseSam Hartman2009-04-032-1/+3
| | | | | | | | | | | | | | | | it uses the wrong API and wrong key usage. So, if the auth_context has an explicit checksum type set, then respect that. kcmd sets such a checksum type. Also, because other applications may have the same problem, allow the config file variable if set to override the default checksum. * kcmd.c: Force use of rsa_md5 * init_ctx.c: do not default to md5 * mk_req_ext.c: allow auth_context to override ticket: 1624 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22160 dc483132-0cff-0310-8789-dd5450dbe970
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