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* Move utility functions to hostrealm.cGreg Hudson2013-08-154-184/+134
| | | | | | | Move the remaining internal functions from hst_realm.c to hostrealm.c, and get rid of hst_realm.c. ticket: 7687
* Use hostrealm interface for realm mappingGreg Hudson2013-08-1511-467/+875
| | | | | | | | | Reimplement krb5_get_host_realm, krb5_get_fallback_host_realm, and krb5_get_default_realm in terms of the hostrealm interface. Three built-in modules (dns, domain, and profile) implement the current behavior. ticket: 7687
* Add hostrealm pluggable interface definitionGreg Hudson2013-08-151-1/+2
| | | | ticket: 7687 (new)
* Remove KRB5_DNS_LOOKUP_KDCBen Kaduk2013-08-141-4/+0
| | | | | | | | | | | | | It has been unconditionally activated by all supported build systems for almost two years, and no complaints or issues have been reported. In particular, aclocal.m4 has had an unconditional AC_DEFINE() since 3d708e55 in 2003, and win-pre.in has unconditionally set KRB5_USE_DNS_KDC since 17ffebf7 in 2011. While here, simplify some other DNS conditionals in win-pre.in where only one branch was ever taken. ticket: 7691 (new)
* Fix windows buildBen Kaduk2013-08-141-0/+1
| | | | | | | This routine is now used in the gssapi library and must be exported as such. ticket: 7688
* Fix localauth memory leakGreg Hudson2013-08-124-0/+10
| | | | | localauth modules were not freed by krb5_free_context(), causing a memory leak.
* Add trace logging for TXT lookupsGreg Hudson2013-08-125-12/+15
| | | | | | Rename krb5_try_realm_txt_rr (an internal function despite the name) and add a context parameter. Generate trace logs when we successfully look up a record and when a record is not found.
* Fix gss_krb5_set_allowable_enctypes for acceptorGreg Hudson2013-08-121-2/+2
| | | | | | | | | | | | | | | | | | | The acceptor implementation of gss_krb5_set_allowable_enctypes (added in 1.9.1) is intended to restrict the acceptor subkey negotiated by krb5_rd_req(). It uses the same approach as the initiator, calling krb5_set_default_tgs_enctypes on the context. This has the unwanted side effect of restricting the encryption key of the ticket, because krb5_decrypt_tkt_part has checked krb5_is_permitted_enctype on the ticket encryption key since 1.8. Instead, use krb5_auth_con_setpermetypes on the auth context. This list is only used for session key enctype negotiation. Also add automated tests to verify that gss_krb5_set_allowable_enctypes works as desired. ticket: 7688 (new) target_version: 1.11.4 tags: pullup
* Report KDC response sizes in trace logsGreg Hudson2013-08-071-1/+1
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* Remove unused function arguments in cc_keyring.cSimo Sorce2013-08-021-172/+149
| | | | | | | The credential serialization functions do not operate on a ccache, so do not need it as an argument. [ghudson@mit.edu: clarified commit message, rewrapped shortened lines]
* Fix leak in krb5_krcc_unparse_cred on errorGreg Hudson2013-08-021-1/+3
| | | | Based on a patch from simo@redhat.com.
* Remove old comments in sendto_kdc.cRobbie Harwood (frozencemetery)2013-07-301-12/+0
| | | | | | | The commented code in question is present in set_conn_state_msg_length which is called immediately after the comments. [ghudson@mit.edu: clarified commit message]
* Remove is_udp field in sendto_kdc.c conn_stateRobbie Harwood (frozencemetery)2013-07-301-5/+1
| | | | | | | This field is redundant with addr.type. [ghudson@mit.edu: removed extraneous changes; clarified commit message]
* Load import/export cred functions from GSS modulesSimo Sorce2013-07-211-0/+4
| | | | | | | | | | | | When the import/export credential feature was implement the related functions were added to struct gss_config, but the initialization function that dynamically loads modules was not changed to see if the plugin being loaded provided such functions. This will allow non-builtin mechanism and interposer mechanism to implement custom import/export credential extensions if they wish. ticket: 7682
* Load cred store functions from GSS modulesSimo Sorce2013-07-211-0/+4
| | | | | | | | | | | | When the credential store feature was implement the related functions were added to struct gss_config, but the initialization function that dynamically loads modules was not changed to see if the plugin being loaded provided such functions. This will allow non-builtin mechanism and interposer mechanism to implement custom credential store extensions if they wish. ticket: 7682
* Add non-JSON APIs for PKINIT responder itemsNalin Dahyabhai2013-07-175-0/+225
| | | | | | | | | | | | | | | | | Add wrappers for the JSON-oriented APIs for PKINIT responder items, modeled after the API we provide for OTP items: * krb5_responder_pkinit_get_challenge() returns the list of identities for which we need PINs * krb5_responder_pkinit_challenge_free() frees the structure that was returned by krb5_responder_pkinit_get_challenge() * krb5_responder_pkinit_set_answer() sets the answer to the PIN for one of the identities [ghudson@mit.edu: style cleanup; added comment pointing to main body of PKINIT module] ticket: 7680
* Add kadmin support for principals without keysGreg Hudson2013-07-152-3/+9
| | | | | | | | | Add kadmin support for "addprinc -nokey", which creates a principal with no keys, and "purgekeys -all", which deletes all keys from a principal. The KDC was modified by #7630 to support principals without keys. ticket: 7679 (new)
* Avoid allocating zero key_data structuresGreg Hudson2013-07-152-21/+20
| | | | | | | | When we allocate space for an array of key_data structures, make sure we allocate at least one, so we don't spuriously fail on platforms where malloc(0) returns NULL. Where we use malloc, use k5calloc instead. Where we use krb5_db_alloc or realloc, just allocate an extra entry.
* Use pipe instead of sigwait for krad testsGreg Hudson2013-07-142-27/+17
| | | | | | | | We've never used sigwait() before, and it has some problems on Solaris 10 (a nonconformant prototype by default, and experimentally it didn't seem to work correctly with _POSIX_PTHREAD_SEMANTICS defined). Use a pipe instead. Make t_daemon.py less chatty on stdout to avoid filling the pipe buffer.
* Fix minor type issues in krad testsGreg Hudson2013-07-142-2/+2
| | | | | Use unsigned char for test encodings, since the initializers use values greater than 127.
* Use k5calloc instead of k5alloc where appropriateGreg Hudson2013-07-1114-18/+18
| | | | | Wherever we use k5alloc with a multiplication in the size parameter,, use the new k5calloc helper function instead.
* Add libkradNathaniel McCallum2013-07-1121-1/+3427
| | | | | | | | The new library libkrad provides code for the parsing of RADIUS packets as well as client implementation based around libverto. This library should be considered unstable. ticket: 7678 (new)
* Fix uninitialized variable bugsGreg Hudson2013-06-271-1/+1
| | | | | The previous few commits introduced a couple of bugs where variables could be used without being initialized. Fix them.
* Rely on module ordering for localauthGreg Hudson2013-06-271-25/+6
| | | | | | | Register built-in localauth modules in the order we want them used by default, and document accordingly. ticket: 7665
* Provide plugin module ordering guaranteesGreg Hudson2013-06-271-188/+265
| | | | | | | | Rewrite the plugin internals so that modules have a well-defined order--either the order of enable_only tags, or dynamic modules followed by the built-in modules in order of registration. ticket: 7665 (new)
* Fix spin loop reading from KDC TCP socketViktor Dukhovni2013-06-261-2/+2
| | | | | | | | | | | | In the k5_sendto code for reading from a TCP socket, detect end-of-stream when reading the length. Otherwise we can get stuck in an infinite loop of poll() and read(). [ghudson@mit.edu: commit message] ticket: 7508 target_version: 1.11.4 tags: pullup
* Fix various warningsGreg Hudson2013-06-0729-199/+89
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* Use KDC clock skew for AS-REQ timestampsGreg Hudson2013-06-051-5/+12
| | | | | | | | | | | | | | | | Calculate request timestamps each time we encode a request, and use the adjusted current time when calculating them, including adjustments resulting from preauth-required errors early in the AS exchange. As a side effect, this reverts one of the changes in commit 37b0e55e21926c7875b7176e24e13005920915a6 (#7063); we will once again use the time adjustment from any ccache we read before the AS exchange, if we don't have a more specific adjustment from a preauth-required error. Based on a patch from Stef Walter. ticket: 7657 (new)
* Refactor AS-REQ nonce and timestamp handlingGreg Hudson2013-06-053-67/+78
| | | | | | | | | | | | Create helper functions to set the request nonce and to set the request timestamp. Don't bother picking a nonce in restart_init_creds_loop since we will just pick a new one in init_creds_step_request. Create a library-internal function to get the current time with possible adjustment from a preauth-required error. Only set ctx->request_time in one place (just before encoding each request). Remove unused parameters from stash_as_reply. Partially based on a patch from Stef Walter.
* Fix spurious clock skew caused by preauth delayGreg Hudson2013-06-021-0/+3
| | | | | | | | | | Commit 37b0e55e21926c7875b7176e24e13005920915a6 (#7063) prevented clock skew caused by preauth delay by recording the time of the initial request. However, it failed to take into account delay between requests due to prompting during preauthentication. Fix this by recording the request time for each request. ticket: 7656 (new)
* Properly handle use_master in k5_init_creds_getGreg Hudson2013-05-311-2/+4
| | | | | | | | | | | If we make multiple requests in an initial creds exchange, the krb5_sendto_kdc call in k5_init_creds_get may flip the use_master value from 0 to 1 if it detects that the response was from a master KDC. Don't turn this into a requirement for future requests during the same exchange, or we may have trouble following AS referrals. Reported by Sumit Bose. ticket: 7650
* Fix non-builtin crypto module buildsGreg Hudson2013-05-2911-24/+39
| | | | | | | Commit 4b0985f8573840838bcfa8ec1df3dcd39a3dbf15 went a bit too far in pruning the placeholder makefiles for the openssl and nss crypto modules. We need enough boilerplate to create OBJS.SH in each directory.
* Make empty passwords work via init_creds APIsGreg Hudson2013-05-274-86/+60
| | | | | | | | | | | | | | In the gak_data value used by krb5_get_as_key_password, separate the already-known password from the storage we might have allocated to put it in, so that we no longer use an empty data buffer to determine whether we know the password. This allows empty passwords to work via the API. Remove the kadm5 test which explicitly uses an empty password. Based on a patch from Stef Walter. ticket: 7642
* Add AES-NI support on LinuxGreg Hudson2013-05-242-5/+138
| | | | | | | If yasm and cpuid.h are present on a Linux i686 or x64 system, compile the modified Intel AES-NI assembly sources. In the builtin AES enc provider, check at runtime whether the CPU supports AES-NI instructions and use the assembly functions if so.
* Adjust AESNI sources for krb5 treeGreg Hudson2013-05-242-2588/+17
| | | | | Remove functions we don't need. Add macros to redefine functions with an appropriate namespace prefix.
* Add Intel AESNI assembly filesGreg Hudson2013-05-242-0/+4280
| | | | | | Add assembly files from the Intel AESNI Sample Library, version 1.2, which implement AES encryption using AES-NI instructions. Trailing whitespace was removed.
* Refactor AES, Camellia builtin enc providersGreg Hudson2013-05-242-302/+309
| | | | | | | In preparation for AES-NI support, adjust the block encryption helpers in the AES enc provider so that the cache is only touched by helpers, and reframe the CTS operations in terms of CBC operations. Change the Camellia enc provider as well for consistency.
* Simplify crypto IOV helpersGreg Hudson2013-05-2415-768/+375
| | | | | | | | Expand the concept of an IOV block state into a cursor which remembers the IOV set being iterated over, the block size, and both input and output positions. Eliminate the no-copy inline block getter for now, but provide helpers to grab contiguous chains of blocks from a cursor. Also provide an inline helper to sum the total length of an iov chain.
* Fix transited handling for GSSAPI acceptorsGreg Hudson2013-05-211-3/+5
| | | | | | | | | | | | | | | | | | The Acceptor Names project (#6855) extended krb5_rd_req so that it can accept a "matching principal" in the server parameter. If the matching principal has an empty realm, rd_req_decoded_opt attempted to do transited checking with an empty server realm. To fix this, always reset server to req->ticket->server for future processing steps if we decrypt the ticket using a keytab. decrypt_ticket replaces req->ticket->server with the principal name from the keytab entry, so we know this name is correct. Based on a bug report and patch from nalin@redhat.com. ticket: 7639 target_version: 1.11.3 tags: pullup
* Try to use best DNS search functions in dnsglue.cGreg Hudson2013-05-191-23/+45
| | | | | | | | | | Create macros to declare a DNS search handle, initialize a handle, perform a search, and destroy a handle. On OS X, use the native dns_open, dns_search, and dns_free functions, since using the res_* interfaces may not contact the correct servers. On systems with res_ninit, use res_nclose if we don't have res_ndestroy. Based on a patch by Nate Rosenblum.
* Reduce boilerplate in makefilesGreg Hudson2013-05-1657-413/+23
| | | | | | | | | Provide default values in pre.in for PROG_LIBPATH, PROG_RPATH, SHLIB_DIRS, SHLIB_RDIRS, and STOBJLISTS so that they don't have to be specified in the common case. Rename KRB5_RUN_ENV and KRB5_RUN_VARS to RUN_SETUP (already the most commonly used name) and RUN_VARS. Make sure to use DEFINES for local defines (not DEFS). Remove some other unnecessary makefile content.
* Fix windows buildBen Kaduk2013-05-162-0/+2
| | | | | Catch a few stragglers that missed the memo that k5_mutex_lock cannot fail, and sprinkle some cc-int.h as needed.
* Fix NSS crypto back end for mutex changesGreg Hudson2013-05-161-5/+2
| | | | | Adjust a stray k5_mutex_lock invocation in the NSS crypto back end after 6350fd0c909d84c00200885e722cc902049ada05.
* Assume mutex locking cannot failGreg Hudson2013-05-1422-514/+176
| | | | | | | | | | | | Locking and unlocking a non-recursive mutex is a simple memory operation and should not fail on any reasonable platform with correct usage. A pthread mutex can return EDEADLK on lock or EPERM on unlock, or EINVAL if the mutex is uninitialized, but all of these conditions would reflect serious bugs in the calling code. Change the k5_mutex_lock and k5_mutex_unlock wrappers to return void and adjust all call sites. Propagate this change through k5_cc_mutex_lock and k5_cc_mutex_unlock as well.
* Don't use "bool" for ASN.1 boolean macrosNate Rosenblum2013-05-141-2/+2
| | | | | | | | | | | | When building for IOS targets with clang, the stdbool.h header is included by default. This header includes the following C99 definition: #define bool _Bool which wrecks havoc with the DEFBOOLTYPE macro. ticket: 7525
* Rename internal Camellia symbolsGreg Hudson2013-05-131-0/+12
| | | | | | | | | | | Symbols from the NTT Camellia sources, used in the builtin crypto provider, could conflict with symbols from other libraries such as OpenSSL's libcrypto. Rename those like we rename the Gladman AES symbols. ticket: 7626 target_version: 1.11.3 tags: pullup
* fix crypto openssl hmac warningGilles Espinasse2013-05-091-1/+1
| | | | ticket: 7634
* Fix mismatched spnego_mech.c declarationsGreg Hudson2013-05-031-3/+4
| | | | | The mechglue definitions of gssint_get_der_length and friends use unsigned int for the buffer length, not OM_uint32.
* Fix link line for t_fortunaGilles Espinasse2013-05-011-1/+1
| | | | ticket: 7628
* Don't use portmapper in RPC testsGreg Hudson2013-05-014-32/+48
| | | | | | | | On many Linux systems, due to what is arguably a bug in rpcbind, the portmapper doesn't allow service registration from non-root processes. This causes the RPC tests to be frequently skipped. Modify the tests so that they don't need the portmapper, by grabbing the port number from the server process and passing it to the client.
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