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path: root/src/providers/krb5/krb5_utils.c
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* KRB5: Move checking for illegal RE to krb5_utils.cJakub Hrozek2014-11-181-3/+33
| | | | | | | | | | | | Otherwise we would have to link krb5_child with pcre and transfer the regex, which would be cumbersome. Check for illegal patterns when expanding the template instead. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Move ccache-related functions to krb5_ccache.cJakub Hrozek2014-11-181-672/+2
| | | | | | | | | | | | | Add a new module krb5_ccache.c that contains all ccache-related operations. The only user of this module shall be krb5_child.c as the other modules will run unprivileged and accessing the ccache requires either privileges of root or the ccache owner. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* UTIL: rename find_subdomain_by_namePavel Reichl2014-07-221-2/+2
| | | | | | | | | The function was named "find_subdomain" yet it could find both main domain and subdomain. sed 's/find_subdomain_by_name/find_domain_by_name/' -i `find . -name "*.[ch]"` Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB: do not check ccache directory for GIDPavel Reichl2014-04-171-7/+4
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* KRB5: log message - wrong permissions on ccache dirPavel Reichl2014-03-181-2/+3
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2037 Reviewed-by: Stephen Gallagher <sgallagh@redhat.com>
* KRB: Prevent dereference of a null pointerLukas Slebodnik2014-03-131-2/+4
| | | | | | | | | | | | | Reported by: scan-build krb5_free_principal(cc->context, ccprinc); ^~ warning: Access to field 'context' results in a dereference of a null pointer (loaded from variable 'cc') Variable 'cc' needn't be initialised if function sss_open_ccache_as_user fails. Reviewed-by: Sumit Bose <sbose@redhat.com>
* Update DEBUG* invocations to use new levelsNikolai Kondrashov2014-02-121-19/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a script to update DEBUG* macro invocations, which use literal numbers for levels, to use bitmask macros instead: grep -rl --include '*.[hc]' DEBUG . | while read f; do mv "$f"{,.orig} perl -e 'use strict; use File::Slurp; my @map=qw" SSSDBG_FATAL_FAILURE SSSDBG_CRIT_FAILURE SSSDBG_OP_FAILURE SSSDBG_MINOR_FAILURE SSSDBG_CONF_SETTINGS SSSDBG_FUNC_DATA SSSDBG_TRACE_FUNC SSSDBG_TRACE_LIBS SSSDBG_TRACE_INTERNAL SSSDBG_TRACE_ALL "; my $text=read_file(\*STDIN); my $repl; $text=~s/ ^ ( .* \b (DEBUG|DEBUG_PAM_DATA|DEBUG_GR_MEM) \s* \(\s* )( [0-9] )( \s*, ) ( \s* ) ( .* ) $ / $repl = $1.$map[$3].$4.$5.$6, length($repl) <= 80 ? $repl : $1.$map[$3].$4."\n".(" " x length($1)).$6 /xmge; print $text; ' < "$f.orig" > "$f" rm "$f.orig" done Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Stephen Gallagher <sgallagh@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* Make DEBUG macro invocations variadicNikolai Kondrashov2014-02-121-93/+93
| | | | | | | | | | | | | | | | | | | | | | | | Use a script to update DEBUG macro invocations to use it as a variadic macro, supplying format string and its arguments directly, instead of wrapping them in parens. This script was used to update the code: grep -rwl --include '*.[hc]' DEBUG . | while read f; do mv "$f"{,.orig} perl -e \ 'use strict; use File::Slurp; my $text=read_file(\*STDIN); $text=~s#(\bDEBUG\s*\([^(]+)\((.*?)\)\s*\)\s*;#$1$2);#gs; print $text;' < "$f.orig" > "$f" rm "$f.orig" done Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Stephen Gallagher <sgallagh@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* SYSDB: Drop the sysdb_ctx parameter from the sysdb_search moduleMichal Zidek2013-11-151-1/+1
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* krb5: Remove ability to create public directoriesSimo Sorce2013-10-071-64/+32
| | | | | | | | | Setting up public directories is the job of the admin, and current sssd syntax can't express the actual intention of the admin with regrads to which parts of the path should be public or private. Resolves: https://fedorahosted.org/sssd/ticket/2071
* KRB5: Fix bad comparisonJakub Hrozek2013-09-261-1/+1
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* krb5: Be more lenient on failures for old ccacheSimo Sorce2013-09-251-1/+1
| | | | | | | | | | | Fix a check for an error return code that can be returned when the ccache is not found. Even in case of other errors still do not fail authentication but allow it to proceed using a new ccache file if necessary. Related: https://fedorahosted.org/sssd/ticket/2053
* krb5: save canonical upn to sysdbSumit Bose2013-09-231-15/+50
| | | | | | | | | | | | | If the returned TGT contains a different user principal name (upn) than used in the request, i.e. the upn was canonicalized, we currently save it to sysdb into the same attribute where the upn coming from an LDAP server is stored as well. This means the canonical upn might be overwritten when the user data is re-read from the LDAP server. To avoid this this patch add a new attribute to sysdb where the canonical upn is stored and makes sure it is used when available. Fixes https://fedorahosted.org/sssd/ticket/2060
* KRB: Remove unused memory contextLukas Slebodnik2013-09-121-1/+1
| | | | mem_ctx was unused in function get_domain_or_subdomain
* Fix formating of variables with type: gid_tLukas Slebodnik2013-09-111-2/+2
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* Fix formating of variables with type: uid_tLukas Slebodnik2013-09-111-2/+2
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* krb5: Fix warning sometimes uninitializedLukas Slebodnik2013-09-101-0/+2
| | | | | | | warning: variable 'ret' is used uninitialized whenever 'if' condition is false if (kerr) { ^~~~
* krb5: Add file/dir path precheckSimo Sorce2013-09-091-0/+34
| | | | | | | | | | | | | | | | | | | | | | | Add a precheck on the actual existence at all of the file/dir ccname targeted (for FILE/DIR types), and bail early if nothing is available. While testing I found out that without this check, the krb5_cc_resolve() function we call as user to check old paths would try to create the directory if it didn't exist. With a ccname of DIR:/tmp/ccdir_1000 saved in the user entry this would cause two undesirable side effects: First it would actually create a directory with the old name, when it should not. Second, because for some reason the umask is set to 0127 in sssd_be, it would create the directory with permission 600 (missing the 'x' traverse bit on the directory. If the new ccache has the same name it would cause the krb5_child process to fal to store the credential cache in it. Related: https://fedorahosted.org/sssd/ticket/2061
* krb5: Remove unused ccache backend infrastructureSimo Sorce2013-09-091-60/+0
| | | | | | | | Remove struct sss_krb5_cc_be and the remaining functions that reference it as they are all unused now. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Unify function to create ccache filesSimo Sorce2013-09-091-54/+17
| | | | | | | | | | | Only 2 types (FILE and DIR) need to precreate files or directories on the file system, and the 2 functions were basically identical. Consolidate all in one common function and use that function directly where needed instead of using indirection. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Use new function to validate ccachesSimo Sorce2013-09-091-351/+72
| | | | | | | | | | This function replaces and combines check_for_valid_tgt() and type specific functions that checked for ccache existence by using generic krb5 cache function and executing them as the target user (implicitly validate the target use rcan properly access the ccache). Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Make check_for_valid_tgt() staticSimo Sorce2013-09-091-0/+74
| | | | | | | check_for_valid_tgt() is used exclusively in krb5_uitls.c so move it there. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: move template check to initializzationSimo Sorce2013-09-091-19/+3
| | | | | | | | | | | | The randomized template check realy only makes sense for the FILE ccache which is the only one that normally needs to use randomizing chars. Also it is better to warn the admin early rather than to warn 'when it is too late'. So move the check at initialization time when we determine what the template actually is. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Move determination of user being activeSimo Sorce2013-09-091-39/+8
| | | | | | | | The way a user is checked for being active does not depend on the ccache type so move that check out of the ccache specific functions. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Replace type-specific ccache/principal checkSimo Sorce2013-09-091-137/+83
| | | | | | | | | Instead of having duplicate functions that are type custom use a signle common function that also performs access to the cache as the user owner, implicitly validating correctness of ownership. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Use krb5_cc_destroy to remove old ccachesSimo Sorce2013-09-091-71/+0
| | | | | | | | | This completely replaces the per-ccache-type custom code to remove old cacches and instead uses libkrb5 base doperations (krb5_cc_destroy) and operating as the user owner. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Add helper to destroy ccache as userSimo Sorce2013-09-091-0/+109
| | | | | | | | | | | This function safely destroy a ccache given a cache name and user crdentials. It becomes the user so no possible races can compromise the system, then uses libkrb5 functions to properly destroy a ccache, independently of the cache type. Finally restores the original credentials after closing the ccache handlers. Resolves: https://fedorahosted.org/sssd/ticket/2061
* krb5: Ingnore unknown expansion sequencesSimo Sorce2013-09-091-30/+15
| | | | | | | | | | | | | | | | Recently support was added to use also libkrb5 style expansions that uses a %{varname} type of template. There are a number of templates we do not care/can't expand in sssd. The current code misses tests and failed to properly preserve some of the templates we do not want to handle. Addiotionally in order to be future proof this patch treats unknown templates as pass-through templates and defer any error checking to libkrb5, so that sssd is consistent with how kinit would behave. Resolves: https://fedorahosted.org/sssd/ticket/2076
* KRB5: Fix warning declaration shadows global declarationLukas Slebodnik2013-09-031-8/+8
| | | | | | src/providers/krb5/krb5_utils.c:193: warning: declaration of 'rewind' shadows a global declaration /usr/include/stdio.h:754: warning: shadowed declaration is here
* krb5: Fetch ccname template from krb5.confStephen Gallagher2013-08-281-1/+73
| | | | | | | | | | | | | In order to use the same defaults in all system daemons that needs to know how to generate or search for ccaches we introduce ode here to take advantage of the new option called default_ccache_name provided by libkrb5. If set this variable we establish the same default for all programs that surce it out of krb5.conf therefore providing a consistent experience across the system. Related: https://fedorahosted.org/sssd/ticket/2036
* KRB5: Add support for KEYRING cache typeStephen Gallagher2013-08-271-0/+156
| | | | https://fedorahosted.org/sssd/ticket/2036
* check_cc_validity: make sure _valid is always setSumit Bose2013-08-241-5/+7
| | | | | In the KRB5_FCC_NOFILE code path _valid is not set leading to 'may be used uninitialized' compiler warnings.
* KRB5: Only set active and valid on successStephen Gallagher2013-08-221-6/+5
| | | | | | | | The FILE cache only sets the return values of _active and _bool if the entire function succeeds. The DIR cache was setting it even on failure. This patch makes both consistent. This will benefit static analysis tools which would be able to detect if the variable is ever used uninitialized anywhere.
* KRB5: Refactor cc_*_check_existingStephen Gallagher2013-08-221-61/+59
| | | | | | | | | | | | | | There was duplicated code in cc_file_check_existing() and in cc_dir_check_existing(). I pulled them into the same function. There are two changes made to the original code here: 1) Fixes a use-after-free bug in cc_file_check_existing(). In the original code, we called krb5_free_context() and then used that context immediately after that in krb5_cc_close(). This patch corrects the ordering 2) The krb5_cc_resolve() call handles KRB5_FCC_NOFILE for all cache types. Previously, this was only handled for DIR caches.
* KRB5: Add new #define for collection cache typesStephen Gallagher2013-08-221-6/+6
| | | | | | Kerberos now supports multiple types of collection caches, not just DIR: caches. We should add a macro for generic collection behavior and use that where appropriate.
* Use conditional build for retrieving ccache.Lukas Slebodnik2013-07-151-41/+20
| | | | | | | | Some krb5 functions needn't be available for retrieving ccache with principal. Therefore ifdef is used to solve this situation with older version of libkrb5. There were two functions with similar functionality in krb5_child and krb5_utils. They were merged to one universal function, which was moved to file src/util/sss_krb5.c
* Return right directory name for dircacheLukas Slebodnik2013-07-111-6/+10
| | | | | | | Dircache can be either file or directory. Wrong value was used when dircache was itself directory. https://fedorahosted.org/sssd/ticket/2002
* Replace new_subdomain() with find_subdomain_by_name()Sumit Bose2013-06-281-3/+2
| | | | | | new_subdomain() will create a new domain object and should not be used anymore in the priovder code directly. Instead a reference to the domain from the common domain object should be used.
* KRB5: guess UPN for subdomain usersJakub Hrozek2013-06-271-2/+2
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* Every time return directory for krb5 cache collection.Lukas Slebodnik2013-06-261-1/+4
| | | | | | | | Function krb5_cc_get_full_name is called only as a way to validate that, we have the right cache. Instead of returned name, location will be returned from function cc_dir_cache_for_princ. https://fedorahosted.org/sssd/ticket/1936
* Fixing critical format string issues.Lukas Slebodnik2013-05-201-2/+2
| | | | | | --missing arguments. --format '%s', but argument is integer. --wrong format string, examle: '%\n'
* Fix krbcc dir creation issue with MIT krb5 1.11Lukas Slebodnik2013-04-121-10/+50
| | | | | | | | | | | | | | | | In krb5-libs >= 1.11, function krb5_cc_resolve verify if credential cache dir exists. If it doesn't exist, than it will be created with process permissions and not user permissions. Function cc_residual_is_used has already checked for non existing directory, but it wasn't considered to be a failure and therefore next call of krb5_init_context will create directory with wrong permissions. Now if directory doesn't exist, it will be handled like there was not ccache attribute in sysdb cache. We also check if "primary" file in ccache directory has right permissions. But we ignore missing "primary" file. https://fedorahosted.org/sssd/ticket/1822
* Do not process success case in an elseJakub Hrozek2013-02-261-24/+24
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* Add realm info to sss_domain_infoSimo Sorce2013-02-101-1/+2
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* Fix minor grammar error in logStephen Gallagher2013-01-301-1/+1
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* krb: recreate ccache if it was deletedPavel Březina2013-01-301-1/+8
| | | | | | | | | https://fedorahosted.org/sssd/ticket/1512 If directory where a ccache file was stored was missing and user was still logged in, we erroneously considered the ccache file still active. Thus the ccache file was not recreated and user was unable to login.
* Add domain argument to sysdb_get_user_attr()Simo Sorce2013-01-151-1/+2
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* KRB5: Rename variable to avoid shadowing a global declarationJakub Hrozek2012-11-121-4/+4
| | | | | | | src/providers/krb5/krb5_utils.c: In function ‘cc_dir_create’: src/providers/krb5/krb5_utils.c:824: warning: declaration of ‘dirname’ shadows a global declaration /usr/include/libgen.h:27: warning: shadowed declaration is here
* krb5_auth: update with correct UPN if neededSumit Bose2012-10-261-0/+99
| | | | | | | | | The Active Directory KDC handles request case in-sensitive and it might not always to possible to guess the UPN with the correct case. We check if the returned principal has a different case then the one used in the request and updates the principal if needed. This will help using calls from the Kerberos client libraries later on which would otherwise fail because the principal is handled case sensitive by those libraries.
* Add new call find_or_guess_upn()Sumit Bose2012-10-261-0/+27
| | | | | | | | | With the current approach the upn was either a pointer to a const string in a ldb_message or a string created with the help of talloc. This new function always makes it a talloc'ed value. Additionally krb5_get_simple_upn() is enhanced to handle sub-domains as well.
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