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* Refactor salt computation into libkdb5Greg Hudson2011-10-243-47/+66
| | | | | | | Add a new API krb5_dbe_compute_salt() to determine the salt for a key data entry, and use it in the three places we currently compute salts. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25410 dc483132-0cff-0310-8789-dd5450dbe970
* Fix krb5_cc_set_configGreg Hudson2011-10-201-8/+6
| | | | | | | | | | | | | | | krb5_cc_set_config has been non-functional since r24753 on cache types which don't support removal of credential entries. Fix it by only calling krb5_cc_remove_cred if data is NULL, since krb5_cc_store_cred will do it anyway in the positive case. Also fix an old memory leak in an uncommon error case. ticket: 6987 target_version: 1.10 tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25384 dc483132-0cff-0310-8789-dd5450dbe970
* Make reindentTom Yu2011-10-1721-98/+99
| | | | | | | Also fix pkinit_crypto_nss.c struct initializers and add parens to a ternary operator in do_as_req.c for better indentation. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25362 dc483132-0cff-0310-8789-dd5450dbe970
* Style policeGreg Hudson2011-10-171-2/+1
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25359 dc483132-0cff-0310-8789-dd5450dbe970
* gssalloc-related fixes to naming_exts.cSam Hartman2011-10-171-28/+31
| | | | | | | | | | | | | renamed kg_data_list_to_buffer_set_nocopy to data_list_buffer_set (since nocopy is no longer guaranteed). removed extra indirection to input krb5_data list. ensured input krb5_data list is always completely freed. no longer returns EINVAL when output buffer set is NULL. fixed krb5_gss_get_name_attribute to use data_to_gss. Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25358 dc483132-0cff-0310-8789-dd5450dbe970
* RFC 4120 says that we should not canonicalize using DNS. We cannot getSam Hartman2011-10-171-4/+3
| | | | | | | | | | | | | | that far today, but there's no reason we should fail to use a perfectly good principal name just because DNS is failing. For some services there isn't even a requirement they be in DNS. With AI_ADDRCONFIG there's no reason that Kerberos canonicalization should fail simply because a v6 address is not present, for example. So, if getaddrinfo fails in krb5_sname_to_principal simply use the input hostname uncanonicalized. sn2princ: On getaddrinfo failure use the input git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25357 dc483132-0cff-0310-8789-dd5450dbe970
* Allow rd_priv/rd_safe without remote addressGreg Hudson2011-10-153-12/+18
| | | | | | | | | | | | | | Allow krb5_rd_priv and krb5_rd_safe to work when there is no remote address set in the auth context, unless the KRB5_AUTH_CONTEXT_DO_TIMES flag is set (in which case we need the remote address for the replay cache name). Note that failing to set the remote address can create a vulnerability to reflection attacks in some protocols, although it is fairly easy to defend against--either use sequence numbers, or make sure that requests don't look like replies, or both. ticket: 6978 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25355 dc483132-0cff-0310-8789-dd5450dbe970
* Rename PAC type constants to avoid conflictsGreg Hudson2011-10-152-29/+46
| | | | | | | | Since the PAC type constants are now exposed in krb5.h, give them a KRB5_ prefix so they don't conflict with similar PAC type constants in other packages, like Samba. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25352 dc483132-0cff-0310-8789-dd5450dbe970
* Hide gak_fct interface and arguments in clpreauthGreg Hudson2011-10-154-89/+69
| | | | | | | | | | | | | | | | | | | | | | Remove the gak_fct, gak_data, salt, s2kparams, and as_key arguments of krb5_clpreauth_process_fn and krb5_clpreauth_tryagain_fn. To replace them, add two callbacks: one which gets the AS key using the previously selected etype-info2 information, and a second which lets the module replace the AS key with one it has computed. This changes limits module flexibility in a few ways. Modules cannot check whether the AS key was already obtained before asking for it, and they cannot use the etype-info2 salt and s2kparams for purposes other than getting the password-based AS key. It is believed that of existing preauth mechanisms, only SAM-2 preauth needs more flexibility than the new interfaces provide, and as an internal legacy mechanism it can cheat. Future mechanisms should be okay since the current IETF philosophy is that etype-info2 information should not be used for other purposes. ticket: 6976 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25351 dc483132-0cff-0310-8789-dd5450dbe970
* make dependTom Yu2011-10-146-492/+525
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25344 dc483132-0cff-0310-8789-dd5450dbe970
* Untabify a recent gssapi_alloc.h changeGreg Hudson2011-10-141-1/+2
| | | | | | Also mark the file as using the krb5 C style. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25343 dc483132-0cff-0310-8789-dd5450dbe970
* Fix gssapi_strdupSam Hartman2011-10-141-7/+3
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25342 dc483132-0cff-0310-8789-dd5450dbe970
* gssalloc memory management for gss_buffer_setSam Hartman2011-10-143-9/+26
| | | | | | | | compiles, but untested Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25341 dc483132-0cff-0310-8789-dd5450dbe970
* build profile dll (xpprof32/64.dll) on windowsSam Hartman2011-10-141-1/+1
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25340 dc483132-0cff-0310-8789-dd5450dbe970
* Fix windows fork detectionSam Hartman2011-10-141-6/+10
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25334 dc483132-0cff-0310-8789-dd5450dbe970
* Use gssalloc memory management where appropriateSam Hartman2011-10-1416-65/+66
| | | | | | | | | | gss_buffer_t may be freed in a different module from where they are allocated so it is not safe to use strdup/malloc/calloc/free. similarly, gss_OID_set need to use gssalloc functions. Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25332 dc483132-0cff-0310-8789-dd5450dbe970
* Utility functions to move allocations from k5buf/krb5_data to gss_buffer_tSam Hartman2011-10-142-1/+66
| | | | | | | | | | | | On Unix, these simply move the buffer pointer, but on windows they need to reallocated with gssalloc_malloc and coied since the gss_buffer_t may need to be freed in a separate module with potentially mismatched c runtime. Also fix a mismatched parameter warning in generic_gss_copy_oid_set(). Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25331 dc483132-0cff-0310-8789-dd5450dbe970
* Add new header gssapi_alloc.hSam Hartman2011-10-143-1/+67
| | | | | | | | | | | | | | | Contains allocator methods for use with mechanisms and mechglues for allocations that must be made in one module but freed in another. On windows, an allocation made in one module cannot safely be freed in another using the usual c runtime malloc/free; runtime dll mismatch will cause heap corruption in that case. But it is safe to instead directly use HeapAlloc()/HeapFree() specifying the default process heap. For now, this header is not public. If it becomes public strncpy will need to be used instead of strlcpy. Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25330 dc483132-0cff-0310-8789-dd5450dbe970
* Simplify gss_indicate_mechs() by using generic_gss_copy_oid_setSam Hartman2011-10-141-52/+3
| | | | | | | | | ...instead of hand-duplicating all the logic therein. Also makes the switch to using gssalloc functions with oid_sets easier. Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25329 dc483132-0cff-0310-8789-dd5450dbe970
* Removed unused macrosZhanna Tsitkov2011-10-142-6/+0
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25328 dc483132-0cff-0310-8789-dd5450dbe970
* Make krb5_pac_sign publicGreg Hudson2011-10-124-17/+14
| | | | | | | | | | | | krb5int_pac_sign was created as a private API because it is only needed by the KDC. But it is actually used by DAL or authdata plugin modules, not the core KDC code. Since plugin modules should not need to consume internal libkrb5 functions, rename krb5int_pac_sign to krb5_pac_sign and make it public. ticket: 6974 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25325 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a memory leak in make_gss_checksumGreg Hudson2011-10-071-0/+1
| | | | | | | | | | From greg.mcclement@sap.com. ticket: 6972 target_version: 1.9.2 tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25323 dc483132-0cff-0310-8789-dd5450dbe970
* Minor cleanups to encrypted challengeGreg Hudson2011-10-071-34/+26
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25320 dc483132-0cff-0310-8789-dd5450dbe970
* Use built-in modules for encrypted timestampGreg Hudson2011-10-074-80/+147
| | | | | | | | Break out the encrypted timestamp code from kdc_preauth.c and preauth2.c into built-in modules, allowing admins to disable it and reducing the size of the framework code. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25319 dc483132-0cff-0310-8789-dd5450dbe970
* Ditch fast_factor.h since it contains only stubsGreg Hudson2011-10-062-5/+3
| | | | | | | | Leave a comment behind where we called fast_set_kdc_verified(). Remove the call to fast_kdc_replace_reply_key() since it's wrong (encrypted challenge doesn't replace the reply key in that sense). git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25317 dc483132-0cff-0310-8789-dd5450dbe970
* Initialize localname on error in gss_localnameGreg Hudson2011-10-061-4/+5
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25316 dc483132-0cff-0310-8789-dd5450dbe970
* Use type-safe callbacks in preauth interfaceGreg Hudson2011-10-062-108/+27
| | | | | | | | | | | | | | | Replace the generic get_data functions in clpreauth and kdcpreauth with structures containing callback functions. Each structure has a minor version number to allow adding new callbacks. For simplicity, the new fast armor key callbacks return aliases, which is how we would supply the armor key as a function parameter. The new client keys callback is paired with a free_keys callback to reduce the amount of cleanup code needed in modules. ticket: 6971 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25315 dc483132-0cff-0310-8789-dd5450dbe970
* Replace gss_pname_to_uid with gss_localname in gssapi32.defSam Hartman2011-10-051-1/+1
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25312 dc483132-0cff-0310-8789-dd5450dbe970
* Don't need to check for fork on windowsSam Hartman2011-10-051-3/+8
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25311 dc483132-0cff-0310-8789-dd5450dbe970
* gss_unwrap_iov crashes with stream buffers for 3des, des, rc4Sam Hartman2011-10-051-1/+5
| | | | | | | | | | | | | | Use correct key to determine enctype for KG2 tokens in kg_unseal_stream_iov Tested with AES for a new enctype and 3DES for an old enctype. Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> ticket: 6970 tags: pullup git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25309 dc483132-0cff-0310-8789-dd5450dbe970
* Use an opaque handle in the kdcpreauth callbackGreg Hudson2011-10-052-3/+0
| | | | | | | | | | | | | | Instead of passing a request and entry to the kdcpreauth get_data callback, pass an opaque handle. Remove DB entry and key data parameters from kdcpreauth methods (but keep the request, since that's transparent). The SecurID plugin links against libkdb5 and needs access to the client DB entry. Rather than continue to pass a DB entry to kdcpreauth methods, add a get_data callback to get the client DB entry for the few plugins which might need it. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25300 dc483132-0cff-0310-8789-dd5450dbe970
* Fix initialization and pointer bugs in new codeGreg Hudson2011-10-041-2/+4
| | | | | | | Coverity found some minor-to-medium bugs in some recent changes; fix them. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25299 dc483132-0cff-0310-8789-dd5450dbe970
* Create e_data as pa_data in KDC interfacesGreg Hudson2011-10-043-5/+6
| | | | | | | | | | | | All current known uses of e_data are encoded as pa-data or typed-data. FAST requires that e_data be expressed as pa-data. Change the DAL and kdcpreauth interfaces so that e_data is returned as a sequence of pa-data elements. Add a preauth module flag to indicate that the sequence should be encoded as typed-data in non-FAST errors. ticket: 6969 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25298 dc483132-0cff-0310-8789-dd5450dbe970
* Improve k5_get_os_entropy for WindowsGreg Hudson2011-10-041-1/+2
| | | | | | | | When acquiring a crypto context for CryptGenRandom, pass CRYPT_VERIFYCONTEXT to indicate that we don't need access to private keys. Appears to make OS entropy work on Windows XP. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25297 dc483132-0cff-0310-8789-dd5450dbe970
* Fix a Fortuna PRNG failure caseGreg Hudson2011-10-031-1/+3
| | | | | | | | If we don't have entropy when krb5_c_random_make_octets is called, unlock the mutex before returning an error. From kevin.wasserman@painless-security.com. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25295 dc483132-0cff-0310-8789-dd5450dbe970
* Make dispatch() respond via a callbackGreg Hudson2011-10-031-134/+191
| | | | | | From npmccallum@redhat.com with changes. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25291 dc483132-0cff-0310-8789-dd5450dbe970
* Windows fixes: remove unreferenced; use sizeof to compute array sizeSam Hartman2011-09-281-2/+1
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25272 dc483132-0cff-0310-8789-dd5450dbe970
* Windows fixes: add KRB5_CALLCONV where neededSam Hartman2011-09-283-3/+3
| | | | | | Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com> git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25269 dc483132-0cff-0310-8789-dd5450dbe970
* Eliminate domain-based client realm walkGreg Hudson2011-09-282-26/+50
| | | | | | | | | | | | | | | | | For a very long time, KDCs have known how to perform a domain-based realm walk when serving requests for TGTs. (So if a KDC for A.B.C receives a request for krbtgt/X.B.C and doesn't have that principal, it can return one for krbtgt/B.C instead.) Performing the same heuristic on the client is unnecessary and inefficient in common cases. Add a new function k5_client_realm_path to walk_rtree.c which uses capaths values only, and returns a list of realms (as desired by get_creds.c) instead of TGT names. ticket: 6966 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25241 dc483132-0cff-0310-8789-dd5450dbe970
* Fix an error case in encrypted timestamp preauthGreg Hudson2011-09-271-3/+1
| | | | | | | | | If krb5_encrypt_helper returns an error, it's not the caller's responsibility to free enc_data.ciphertext, and in one case (if krb5_c_encrypt_length returns an error) it won't have been initialized. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25239 dc483132-0cff-0310-8789-dd5450dbe970
* Update dependenciesEzra Peisach2011-09-261-0/+12
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25235 dc483132-0cff-0310-8789-dd5450dbe970
* Eliminate union in net-server.c struct connectionGreg Hudson2011-09-241-105/+104
| | | | | | | | | Several of the u.tcp fields were also used for RPC connections. The overlap between u.tcp.addr_s and u.rpc.closed could confuse free_socket() into causing a null pointer dereference inside svc_getreqset(). git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25231 dc483132-0cff-0310-8789-dd5450dbe970
* Fix krb5_dbe_get_strings error handlingGreg Hudson2011-09-241-8/+12
| | | | | | | The old error handling was incorrect in the case where a strdup() call returns NULL but realloc() returns non-NULL. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25230 dc483132-0cff-0310-8789-dd5450dbe970
* Don't use accessor in encrypted challengeGreg Hudson2011-09-242-17/+7
| | | | | | | Now that the encrypted challenge code is linked into libkrb5 and the KDC, it's unnecessary to use the accessor there. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25229 dc483132-0cff-0310-8789-dd5450dbe970
* Recast encrypted challenge as linked built-insGreg Hudson2011-09-234-3/+200
| | | | | | | | Since it has no external dependencies, split up encrypted preauth into clpreauth and kdcpreauth chunks and link them directly into the consumers. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25227 dc483132-0cff-0310-8789-dd5450dbe970
* Support special salt type in default krb5_dbe_cpwGreg Hudson2011-09-221-0/+36
| | | | | | | | | | | | | | | This change allows the "special" salt type to be used in supported_enctypes or in the argument to kadmin's cpw -e. If used, kadmind will pick a salt consisting of 64 random bits represented as 16 printable ASCII characters. The use of random explicit salts creates some interoperability issues and is not generally recommended, but can be useful for interop testing, as a workaround for obscure bugs, or to increase the difficulty of brute-force password searches in situations where none of the interoperability issues apply. ticket: 6964 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25226 dc483132-0cff-0310-8789-dd5450dbe970
* Improve mk_safe/mk_priv cleanup slightlyGreg Hudson2011-09-222-12/+16
| | | | | | | In both functions, initialize outbuf on error, and avoid putting pointers into it before we reach the successful return stage. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25225 dc483132-0cff-0310-8789-dd5450dbe970
* WhitespaceGreg Hudson2011-09-213-77/+80
| | | | git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25224 dc483132-0cff-0310-8789-dd5450dbe970
* Fix string attribute unit testsGreg Hudson2011-09-213-6/+14
| | | | | | | Wrap t_stringattr in a very minimal Python test script so that libkdb5 can find the DB2 module to allocate memory. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25223 dc483132-0cff-0310-8789-dd5450dbe970
* * New implementation to map a gss name to localnameSam Hartman2011-09-216-75/+106
| | | | | | | | | | | | | | | | * Write gss_pname_to_uid in terms of gss_localname; suppress on win32 * Add test for gss_pname_to_uid indirectly testing gss_localname * gss_localname is the SPI, not gss_pname_to_uid * fix some const gss_OID->gss_const_oid Signed-off-by: Sam Hartman <hartmans@painless-security.com> gss_localname: map gss name to localname git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25222 dc483132-0cff-0310-8789-dd5450dbe970
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