diff --git a/0039-Fix-strchr-conformance-to-C23.patch b/0039-Fix-strchr-conformance-to-C23.patch new file mode 100644 index 0000000..ed2cfa7 --- /dev/null +++ b/0039-Fix-strchr-conformance-to-C23.patch @@ -0,0 +1,189 @@ +From 1761e06398e4f043e4f540f57131c37fcc53a1b9 Mon Sep 17 00:00:00 2001 +From: Alexander Bokovoy +Date: Wed, 10 Dec 2025 10:42:02 +0200 +Subject: [PATCH] Fix strchr() conformance to C23 + +C23 7.28.5.1 specifies search functions such as strchr() as generic, +returning const char * if the first argument is of type const char *. +Fix uses of strchr() to conform to this change. + +[jrische@redhat.com: altered changes to avoid casts; fixed an +additional case] +[ghudson@mit.edu: condensed some declarations; rewrote commit message] + +ticket: 9191 (new) +(cherry picked from commit 6cd8580d823585d50ee4f30efd9f7e855823a369) +--- + src/lib/krb5/ccache/ccbase.c | 4 ++-- + src/lib/krb5/os/expand_path.c | 3 ++- + src/lib/krb5/os/locate_kdc.c | 15 +++++++-------- + src/plugins/preauth/pkinit/pkinit_crypto.h | 2 +- + .../preauth/pkinit/pkinit_crypto_openssl.c | 6 +++--- + src/plugins/preauth/pkinit/pkinit_identity.c | 2 +- + src/plugins/preauth/pkinit/pkinit_matching.c | 2 +- + src/tests/responder.c | 3 +-- + 8 files changed, 18 insertions(+), 19 deletions(-) + +diff --git a/src/lib/krb5/ccache/ccbase.c b/src/lib/krb5/ccache/ccbase.c +index 5a01320832..1aada91b5e 100644 +--- a/src/lib/krb5/ccache/ccbase.c ++++ b/src/lib/krb5/ccache/ccbase.c +@@ -201,8 +201,8 @@ krb5_cc_register(krb5_context context, const krb5_cc_ops *ops, + krb5_error_code KRB5_CALLCONV + krb5_cc_resolve (krb5_context context, const char *name, krb5_ccache *cache) + { +- char *pfx, *cp; +- const char *resid; ++ char *pfx; ++ const char *cp, *resid; + unsigned int pfxlen; + krb5_error_code err; + const krb5_cc_ops *ops; +diff --git a/src/lib/krb5/os/expand_path.c b/src/lib/krb5/os/expand_path.c +index 5cbccf08c8..6569b8820b 100644 +--- a/src/lib/krb5/os/expand_path.c ++++ b/src/lib/krb5/os/expand_path.c +@@ -454,7 +454,8 @@ k5_expand_path_tokens_extra(krb5_context context, const char *path_in, + { + krb5_error_code ret; + struct k5buf buf; +- char *tok_begin, *tok_end, *tok_val, **extra_tokens = NULL, *path; ++ const char *tok_begin, *tok_end; ++ char *tok_val, **extra_tokens = NULL, *path; + const char *path_left; + size_t nargs = 0, i; + va_list ap; +diff --git a/src/lib/krb5/os/locate_kdc.c b/src/lib/krb5/os/locate_kdc.c +index edca5ac7eb..47e15c849f 100644 +--- a/src/lib/krb5/os/locate_kdc.c ++++ b/src/lib/krb5/os/locate_kdc.c +@@ -188,8 +188,8 @@ oom: + } + + static void +-parse_uri_if_https(const char *host_or_uri, k5_transport *transport, +- const char **host, const char **uri_path) ++parse_uri_if_https(char *host_or_uri, k5_transport *transport, ++ char **host, const char **uri_path) + { + char *cp; + +@@ -229,8 +229,7 @@ locate_srv_conf_1(krb5_context context, const krb5_data *realm, + k5_transport transport, int udpport) + { + const char *realm_srv_names[4]; +- char **hostlist = NULL, *realmstr = NULL, *host = NULL; +- const char *hostspec; ++ char **hostlist = NULL, *realmstr = NULL, *host = NULL, *hostspec; + krb5_error_code code; + int i, default_port; + +@@ -535,8 +534,8 @@ prof_locate_server(krb5_context context, const krb5_data *realm, + * Return a NULL *host_out if there are any problems parsing the URI. + */ + static void +-parse_uri_fields(const char *uri, k5_transport *transport_out, +- const char **host_out, int *primary_out) ++parse_uri_fields(char *uri, k5_transport *transport_out, ++ char **host_out, int *primary_out) + + { + k5_transport transport; +@@ -604,8 +603,8 @@ locate_uri(krb5_context context, const krb5_data *realm, + krb5_error_code ret; + k5_transport transport, host_trans; + struct srv_dns_entry *answers, *entry; +- char *host; +- const char *host_field, *path; ++ char *host, *host_field; ++ const char *path; + int port, def_port, primary; + + ret = k5_make_uri_query(context, realm, req_service, &answers); +diff --git a/src/plugins/preauth/pkinit/pkinit_crypto.h b/src/plugins/preauth/pkinit/pkinit_crypto.h +index 3b12e904b1..99e2394040 100644 +--- a/src/plugins/preauth/pkinit/pkinit_crypto.h ++++ b/src/plugins/preauth/pkinit/pkinit_crypto.h +@@ -456,7 +456,7 @@ krb5_error_code crypto_load_cas_and_crls + defines the storage type (file, directory, etc) */ + int catype, /* IN + defines the ca type (anchor, intermediate, crls) */ +- char *id); /* IN ++ const char *id); /* IN + defines the location (filename, directory name, etc) */ + + /* +diff --git a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c +index 429b7d202c..6013080afc 100644 +--- a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c ++++ b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c +@@ -4956,7 +4956,7 @@ load_cas_and_crls(krb5_context context, + pkinit_req_crypto_context req_cryptoctx, + pkinit_identity_crypto_context id_cryptoctx, + int catype, +- char *filename) ++ const char *filename) + { + STACK_OF(X509_INFO) *sk = NULL; + STACK_OF(X509) *ca_certs = NULL; +@@ -5114,7 +5114,7 @@ load_cas_and_crls_dir(krb5_context context, + pkinit_req_crypto_context req_cryptoctx, + pkinit_identity_crypto_context id_cryptoctx, + int catype, +- char *dirname) ++ const char *dirname) + { + krb5_error_code retval = EINVAL; + DIR *d = NULL; +@@ -5166,7 +5166,7 @@ crypto_load_cas_and_crls(krb5_context context, + pkinit_identity_crypto_context id_cryptoctx, + int idtype, + int catype, +- char *id) ++ const char *id) + { + switch (idtype) { + case IDTYPE_FILE: +diff --git a/src/plugins/preauth/pkinit/pkinit_identity.c b/src/plugins/preauth/pkinit/pkinit_identity.c +index a5a979f279..b06d519c66 100644 +--- a/src/plugins/preauth/pkinit/pkinit_identity.c ++++ b/src/plugins/preauth/pkinit/pkinit_identity.c +@@ -474,7 +474,7 @@ process_option_ca_crl(krb5_context context, + const char *value, + int catype) + { +- char *residual; ++ const char *residual; + unsigned int typelen; + int idtype; + +diff --git a/src/plugins/preauth/pkinit/pkinit_matching.c b/src/plugins/preauth/pkinit/pkinit_matching.c +index b42485a50a..5a7f2ba3fa 100644 +--- a/src/plugins/preauth/pkinit/pkinit_matching.c ++++ b/src/plugins/preauth/pkinit/pkinit_matching.c +@@ -263,7 +263,7 @@ parse_rule_component(krb5_context context, + char err_buf[128]; + int ret; + struct keyword_desc *kw, *nextkw; +- char *nk; ++ const char *nk; + int found_next_kw = 0; + char *value = NULL; + size_t len; +diff --git a/src/tests/responder.c b/src/tests/responder.c +index 82f870ea5d..4221a20283 100644 +--- a/src/tests/responder.c ++++ b/src/tests/responder.c +@@ -282,8 +282,7 @@ responder(krb5_context ctx, void *rawdata, krb5_responder_context rctx) + /* Provide a particular response for an OTP challenge. */ + if (data->otp_answer != NULL) { + if (krb5_responder_otp_get_challenge(ctx, rctx, &ochl) == 0) { +- key = strchr(data->otp_answer, '='); +- if (key != NULL) { ++ if (strchr(data->otp_answer, '=') != NULL) { + /* Make a copy of the answer that we can chop up. */ + key = strdup(data->otp_answer); + if (key == NULL) +-- +2.51.1 + diff --git a/0040-automated-fast.patch b/0040-automated-fast.patch new file mode 100644 index 0000000..5a64233 --- /dev/null +++ b/0040-automated-fast.patch @@ -0,0 +1,226 @@ +From 3baf9b93dc1dfe38585722c71d7268304cb4a01a Mon Sep 17 00:00:00 2001 +From: Alexander Bokovoy +Date: Sun, 21 Sep 2025 11:14:51 +0300 +Subject: libkrb5: in case PKINIT is configured, attempt Anonymous + PKINIT for FAST + +If auto_fast_armor is configured for the realm or globally, optimistically +assume that Anonymous PKINIT is supported as well and try to obtain it for +FAST use in case no pre-made FAST channel was established by the caller. + +This behavior will automatically enable use of passwordless pre-authentication +methods which rely on FAST channel presence in deployments such as FreeIPA. + +Notably, Microsoft Active Directory KDCs do not support Anonymous PKINIT. For +these deployments only a machine account (host keytab) can be used to build a +FAST channel. However, libkrb5 does not have access to /etc/krb5.keytab in a +general case. + +Signed-off-by: Alexander Bokovoy +--- + src/lib/krb5/krb/fast.c | 118 ++++++++++++++++++++++++++++++++++++++++ + src/lib/krb5/krb/fast.h | 2 + + src/man/krb5.conf.man | 13 +++++ + 3 files changed, 133 insertions(+) + +diff --git a/src/lib/krb5/krb/fast.c b/src/lib/krb5/krb/fast.c +index 62c9f0841..ee2e08189 100644 +--- a/src/lib/krb5/krb/fast.c ++++ b/src/lib/krb5/krb/fast.c +@@ -168,6 +168,109 @@ krb5int_fast_prep_req_body(krb5_context context, + return retval; + } + ++static krb5_boolean ++fast_is_pkinit_allowed(krb5_context context, krb5_data *realm) ++{ ++ int value; ++ krb5_error_code retval = EINVAL; ++ char realmstr[1024]; ++ const char *option = "auto_fast_armor"; ++ const int def_value = FALSE; ++ ++ if (realm != NULL && realm->length > sizeof(realmstr)-1) ++ return FALSE; ++ ++ if (realm != NULL) { ++ strncpy(realmstr, realm->data, realm->length); ++ realmstr[realm->length] = '\0'; ++ ++ retval = profile_get_boolean(context->profile, ++ KRB5_CONF_REALMS, realmstr, ++ option, def_value, &value); ++ } ++ ++ return retval ? FALSE : value; ++ ++} ++ ++static krb5_error_code ++fast_acquire_pkinit_armor(krb5_context context, ++ struct krb5int_fast_request_state *state, ++ krb5_get_init_creds_opt *opt, krb5_kdc_req *request) ++{ ++ krb5_context ctx; ++ krb5_get_init_creds_opt *options = NULL; ++ krb5_error_code retval = 0; ++ krb5_data *target_realm = &request->server->realm; ++ krb5_creds creds; ++ krb5_principal anon_princ = NULL; ++ krb5_ccache out_cc; ++ ++ /* short circuit, we are asked to perform Anonymous PKINIT already */ ++ if (opt->flags & KRB5_GET_INIT_CREDS_OPT_ANONYMOUS) { ++ return EINVAL; ++ } ++ ++ /* skip realms which do not allow use of automated FAST armor */ ++ if (!fast_is_pkinit_allowed(context, target_realm)) { ++ return EINVAL; ++ } ++ ++ retval = krb5_init_context(&ctx); ++ if (retval != 0) { ++ return retval; ++ } ++ retval = krb5_get_init_creds_opt_alloc(ctx, &options); ++ if (retval != 0) { ++ goto cleanup; ++ } ++ krb5_get_init_creds_opt_set_anonymous(options, 1); ++ retval = krb5_cc_new_unique(ctx, "MEMORY", NULL, &out_cc); ++ if (retval != 0) { ++ goto cleanup; ++ } ++ ++ retval = krb5_get_init_creds_opt_set_out_ccache(ctx, options, out_cc); ++ if (retval != 0) { ++ goto cleanup; ++ } ++ ++ retval = krb5_build_principal_ext(ctx, &anon_princ, ++ target_realm->length, target_realm->data, ++ strlen(KRB5_WELLKNOWN_NAMESTR), ++ KRB5_WELLKNOWN_NAMESTR, ++ strlen(KRB5_ANONYMOUS_PRINCSTR), ++ KRB5_ANONYMOUS_PRINCSTR, 0); ++ if (retval != 0) { ++ goto cleanup; ++ } ++ ++ retval = krb5_get_init_creds_password(ctx, &creds, anon_princ, 0, ++ NULL /* no prompter */, NULL, ++ 0, NULL /* service name */, ++ options); ++ if (retval == 0) { ++ state->fast_state_flags |= KRB5INT_FAST_OWN_ARMOR; ++ state->armor_ccache = out_cc; ++ } ++cleanup: ++ if (retval != 0 && out_cc != NULL) { ++ (void) krb5_cc_destroy(ctx, out_cc); ++ } ++ if (retval == 0) { ++ krb5_free_cred_contents(ctx, &creds); ++ } ++ if (options != NULL) { ++ krb5_get_init_creds_opt_free(ctx, options); ++ } ++ if (anon_princ != NULL) { ++ krb5_free_principal(ctx, anon_princ); ++ } ++ krb5_free_context(ctx); ++ ++ return retval; ++} ++ + krb5_error_code + krb5int_fast_as_armor(krb5_context context, + struct krb5int_fast_request_state *state, +@@ -178,10 +281,20 @@ krb5int_fast_as_armor(krb5_context context, + krb5_principal target_principal = NULL; + krb5_data *target_realm; + const char *ccname = k5_gic_opt_get_fast_ccache_name(opt); ++ char *fast_ccname = NULL; + krb5_flags fast_flags; + + krb5_clear_error_message(context); + target_realm = &request->server->realm; ++ if (ccname == NULL) { ++ retval = fast_acquire_pkinit_armor(context, state, opt, request); ++ if (retval == 0) { ++ retval = krb5_cc_get_full_name(context, state->armor_ccache, &fast_ccname); ++ if (retval == 0 && fast_ccname != NULL) ++ ccname = fast_ccname; ++ } ++ retval = 0; ++ } + if (ccname != NULL) { + TRACE_FAST_ARMOR_CCACHE(context, ccname); + state->fast_state_flags |= KRB5INT_FAST_ARMOR_AVAIL; +@@ -220,6 +333,8 @@ krb5int_fast_as_armor(krb5_context context, + krb5_cc_close(context, ccache); + if (target_principal) + krb5_free_principal(context, target_principal); ++ if (fast_ccname) ++ free(fast_ccname); + return retval; + } + +@@ -615,6 +730,9 @@ krb5int_fast_free_state(krb5_context context, + /*We are responsible for none of the store in the fast_outer_req*/ + krb5_free_keyblock(context, state->armor_key); + krb5_free_fast_armor(context, state->armor); ++ if (state->fast_state_flags & KRB5INT_FAST_OWN_ARMOR) { ++ krb5_cc_destroy(context, state->armor_ccache); ++ } + free(state); + } + +diff --git a/src/lib/krb5/krb/fast.h b/src/lib/krb5/krb/fast.h +index 7156ea203..e5fe8bd54 100644 +--- a/src/lib/krb5/krb/fast.h ++++ b/src/lib/krb5/krb/fast.h +@@ -34,6 +34,7 @@ struct krb5int_fast_request_state { + krb5_kdc_req fast_outer_request; + krb5_keyblock *armor_key; /*non-null means fast is in use*/ + krb5_fast_armor *armor; ++ krb5_ccache armor_ccache; + krb5_ui_4 fast_state_flags; + krb5_ui_4 fast_options; + krb5_int32 nonce; +@@ -41,6 +42,7 @@ struct krb5int_fast_request_state { + + #define KRB5INT_FAST_DO_FAST (1l<<0) /* Perform FAST */ + #define KRB5INT_FAST_ARMOR_AVAIL (1l<<1) ++#define KRB5INT_FAST_OWN_ARMOR (1l<<2) + + krb5_error_code + krb5int_fast_prep_req_body(krb5_context context, +diff --git a/src/man/krb5.conf.man b/src/man/krb5.conf.man +index d4caa2bd3..ac7649647 100644 +--- a/src/man/krb5.conf.man ++++ b/src/man/krb5.conf.man +@@ -650,6 +650,19 @@ primary KDC, in case the user\(aqs password has just been changed, and + the updated database has not been propagated to the replica + servers yet. New in release 1.19. + .TP ++\fBauto_fast_armor\fP ++If this flag is true, then initial ticket request will use Anonymous ++PKINIT to protect the communication as a FAST channel in case an application ++did not provide its own FAST channel. This is useful for deployments where ++pre-authentication methods require use of the FAST channel, such as ++passwordless methods provided by FreeIPA. Microsoft Active Directory ++implementation of PKINIT does not support Anonymous PKINIT feature. ++As a result, \fIauto_fast_armor\fP defaults to false. ++.sp ++Use of \fIauto_fast_armor = true\fP requires properly configured PKINIT and ++WELLKNOWN/ANONYMOUS principal defined on the KDC side. Consult KDC documentation ++for details. ++.TP + \fBv4_instance_convert\fP + This subsection allows the administrator to configure exceptions + to the \fBdefault_domain\fP mapping rule. It contains V4 instances +-- +2.51.0 + diff --git a/0041-bail-if-prompter-is-not-specified-but-required.patch b/0041-bail-if-prompter-is-not-specified-but-required.patch new file mode 100644 index 0000000..d1a3dc7 --- /dev/null +++ b/0041-bail-if-prompter-is-not-specified-but-required.patch @@ -0,0 +1,40 @@ +From ff580d9cf86202d45454a6b6f53accc22cb40b62 Mon Sep 17 00:00:00 2001 +From: Alexander Bokovoy +Date: Sun, 19 Oct 2025 18:14:29 +0300 +Subject: [PATCH] bail if prompter is not specified but required + +GSSAPI gss_init_sec_context() may trigger credential re-initialization +if the cred in ccache is expired. If automatic FAST armor is in use, +we'd request Anonymous PKINIT and use it as an armor and this will +enable seeing pre-authentication methods which require armor presence. + +OTP is one of such methods and its use requires prompter to be set, +but GSSAPI cannot specify a prompter and thus we should fail any +pre-auth where a prompter wasn't passed. + +PKINIT PKCS11 and SAM-2 preauth methods use KRB5_LIBOS_CANTREADPWD while PKINIT +and gic_pwd.c use EIO. Use EIO here because we technically attempt to read a +PIN rather than a password. + +Signed-off-by: Alexander Bokovoy +--- + src/lib/krb5/krb/preauth_otp.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/src/lib/krb5/krb/preauth_otp.c b/src/lib/krb5/krb/preauth_otp.c +index 07ffc15c2..48003da62 100644 +--- a/src/lib/krb5/krb/preauth_otp.c ++++ b/src/lib/krb5/krb/preauth_otp.c +@@ -479,6 +479,9 @@ doprompt(krb5_context context, krb5_prompter_fct prompter, void *prompter_data, + krb5_error_code retval; + krb5_prompt_type prompt_type = KRB5_PROMPT_TYPE_PREAUTH; + ++ if (prompter == NULL) ++ return EIO; ++ + if (prompttxt == NULL || out == NULL) + return EINVAL; + +-- +2.51.0 + diff --git a/krb5.spec b/krb5.spec index 120f1de..4c5b542 100644 --- a/krb5.spec +++ b/krb5.spec @@ -10,7 +10,7 @@ # # baserelease is what we have standardized across Fedora and what # rpmdev-bumpspec knows how to handle. -%global baserelease 5 +%global baserelease 11 # This should be e.g. beta1 or %%nil %global pre_release %nil @@ -97,6 +97,9 @@ Patch0035: 0035-Don-t-issue-session-keys-with-deprecated-enctypes.patch Patch0036: 0036-downstream-Remove-3des-support-cumulative-1.patch Patch0037: 0037-Add-PKINIT-paChecksum2-from-MS-PKCA-v20230920.patch Patch0038: 0038-downstream-Do-not-block-HMAC-MD4-5-in-FIPS-mode.patch +Patch0039: 0039-Fix-strchr-conformance-to-C23.patch +Patch0040: 0040-automated-fast.patch +Patch0041: 0041-bail-if-prompter-is-not-specified-but-required.patch License: Brian-Gladman-2-Clause AND BSD-2-Clause AND (BSD-2-Clause OR GPL-2.0-or-later) AND BSD-2-Clause-first-lines AND BSD-3-Clause AND BSD-4-Clause AND CMU-Mach-nodoc AND FSFULLRWD AND HPND AND HPND-export2-US AND HPND-export-US AND HPND-export-US-acknowledgement AND HPND-export-US-modify AND ISC AND MIT AND MIT-CMU AND OLDAP-2.8 AND OpenVision URL: https://web.mit.edu/kerberos/www/ @@ -130,6 +133,8 @@ BuildRequires: openssl-devel < 1:3.0.0 # Enable compilation of optional tests BuildRequires: resolv_wrapper BuildRequires: libcmocka-devel +BuildRequires: opensc +BuildRequires: softhsm %description Kerberos V5 is a trusted-third-party network authentication system, @@ -161,7 +166,7 @@ Requires: openssl-libs >= 1:3.0.0 Requires: openssl-libs >= 1:1.1.1d-4 Requires: openssl-libs < 1:3.0.0 %endif -Requires: coreutils, gawk, sed +Requires: coreutils Requires: keyutils-libs >= 1.5.8 Requires: /etc/crypto-policies/back-ends/krb5.config @@ -274,11 +279,16 @@ Requires: net-tools, rpcbind Requires: perl-interpreter Requires: procps-ng Requires: python3-kdcproxy -Requires: python3-pyrad Requires: resolv_wrapper Requires: /etc/crypto-policies/back-ends/krb5.config Requires: words -#Requires: openldap-servers, openldap-clients +Requires: opensc +Requires: softhsm +Recommends: python3-pyrad + +# Restore once openldap upstream tests are fixed +#Recommends: openldap-servers +#Recommends: openldap-clients %description tests FOR TESTING PURPOSE ONLY @@ -735,23 +745,46 @@ exit 0 %{_datarootdir}/%{name}-tests/%{_arch} %changelog -* Fri Jun 06 2025 Julien Rische - 1.21.3-5 +* Mon Jan 05 2026 Julien Rische - 1.21.3-11 +- Fix strchr() conformance to C23 + +* Mon Oct 20 2025 Alexander Bokovoy - 1.21.3-10 +- Update the prompter patch to upstream version + Resolves: rhbz#2403513 + +* Wed Oct 15 2025 Alexander Bokovoy - 1.21.3-9 +- do not crash when prompter is not available in GSSAPI + Resolves: rhbz#2403513 + +* Fri Sep 26 2025 Alexander Bokovoy - 1.21.3-8 +- Add automated FAST channel for kinit +- https://github.com/krb5/krb5/pull/1447 - work in progress + +* Thu Jul 24 2025 Fedora Release Engineering - 1.21.3-7 +- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild + +* Wed Jun 04 2025 Julien Rische - 1.21.3-6 - Do not block HMAC-MD4/5 in FIPS mode Resolves: rhbz#2370259 - PKINIT: implement paChecksum2 from MS-PKCA v20230920 Resolves: rhbz#2357215 - Disallow RC4 HMAC-MD5 session keys by default (CVE-2025-3576) - Resolves: rhbz#2359673 + Resolves: rhbz#2359705 -* Tue Feb 11 2025 Julien Rische - 1.21.3-4 +* Wed Jan 29 2025 Julien Rische - 1.21.3-5 - Prevent overflow when calculating ulog block size (CVE-2025-24528) - Resolves: rhbz#2342811 + Resolves: rhbz#2342798 - Support PKCS11 EC client certs in PKINIT Resolves: rhbz#2341962 - kdb5_util: fix DB entry flags on modification Resolves: rhbz#2336555 - Add ECDH support for PKINIT (RFC5349) Resolves: rhbz#2214326 +- Remove dependency of krb5-libs on gawk and sed + Resolves: rhbz#2323859 + +* Fri Jan 17 2025 Fedora Release Engineering - 1.21.3-4 +- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild * Wed Oct 30 2024 Julien Rische - 1.21.3-3 - libkrad: implement support for Message-Authenticator (CVE-2024-3596) diff --git a/tests/got-audit/got-audit.gdb b/tests/got-audit/got-audit.gdb new file mode 100644 index 0000000..6661297 --- /dev/null +++ b/tests/got-audit/got-audit.gdb @@ -0,0 +1,2 @@ +gef config gef.disable_color True +got-audit --all diff --git a/tests/got-audit/kdc.conf b/tests/got-audit/kdc.conf new file mode 100644 index 0000000..ed7299f --- /dev/null +++ b/tests/got-audit/kdc.conf @@ -0,0 +1,12 @@ +[kdcdefaults] + kdc_ports = 88 + kdc_tcp_ports = 88 + +[realms] + ${krb5REALM1} = { + #master_key_type = aes256-cts + acl_file = /var/kerberos/krb5kdc/kadm5.acl + dict_file = /usr/share/dict/words + admin_keytab = /var/kerberos/krb5kdc/kadm5.keytab + supported_enctypes = aes256-cts:normal aes128-cts:normal des3-hmac-sha1:normal arcfour-hmac:normal camellia256-cts:normal camellia128-cts:normal des-hmac-sha1:normal des-cbc-md5:normal des-cbc-crc:normal + } diff --git a/tests/got-audit/krb5.conf b/tests/got-audit/krb5.conf new file mode 100644 index 0000000..6979cb7 --- /dev/null +++ b/tests/got-audit/krb5.conf @@ -0,0 +1,29 @@ +# To opt out of the system crypto-policies configuration of krb5, remove the +# symlink at /etc/krb5.conf.d/crypto-policies which will not be recreated. +includedir /etc/krb5.conf.d/ + +[logging] + default = FILE:/var/log/krb5libs.log + kdc = FILE:/var/log/krb5kdc.log + admin_server = FILE:/var/log/kadmind.log + +[libdefaults] + default_realm = ${krb5REALM1} + dns_lookup_realm = false + ticket_lifetime = 24h + renew_lifetime = 7d + forwardable = true + rdns = false + default_ccache_name = KEYRING:persistent:%{uid} + +[realms] + ${krb5REALM1} = { + kdc = localhost.localdomain + admin_server = localhost.localdomain + } + +[domain_realm] + ${krb5HostName} = ${krb5REALM1} + +[capaths] + ${krb5REALM1} = . diff --git a/tests/got-audit/main.fmf b/tests/got-audit/main.fmf new file mode 100644 index 0000000..f2c1f97 --- /dev/null +++ b/tests/got-audit/main.fmf @@ -0,0 +1,12 @@ +summary: Audit the GOT for signs of tampering +description: | + Pointers in the server process GOT will be checked to ensure that + each function pointer's value is within a shared object file + that exports a symbol of that name, and that no shared object + files export conflicting symbols. +contact: Gordon Messmer +require+: + - gdb-gef # needed to test got-audit + - krb5-server +test: ./runtest.sh +framework: beakerlib diff --git a/tests/got-audit/runtest.sh b/tests/got-audit/runtest.sh new file mode 100755 index 0000000..925a04e --- /dev/null +++ b/tests/got-audit/runtest.sh @@ -0,0 +1,121 @@ +#!/bin/bash +# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k +# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +# +# runtest.sh of /CoreOS/openssh/Sanity/got-audit +# Description: Check pointers in the server process GOT for signs of tampering +# Author: Gordon Messmer +# + +# Include Beaker environment +. /usr/share/beakerlib/beakerlib.sh || exit 1 + +krb5REALM1='TEST1.REDHAT.COM' +krb5HostName=`hostname` +krb5DomainName=`hostname -d` +krb5User='alice' +krb5UserPass='alice' +krb5UserKrbPass='aaa' +krb5User2='bob' +krb5User3='carl' +krb5KDCPass='qwe' +krb5RootPass='rrr' + +krb5conf="/etc/krb5.conf" +krb5confdir="/etc/krb5.conf.d" +krb5kdcconf="/var/kerberos/krb5kdc/kdc.conf" +krb5kadmacl="/var/kerberos/krb5kdc/kadm5.acl" + +rlJournalStart + rlPhaseStartSetup + rlServiceStart sshd + rlRun "TestDir=\$(pwd)" + rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory" + rlRun "pushd $TmpDir" + rlRun "auditfile=\$(mktemp --tmpdir=${TmpDir})" + rlPhaseEnd + + rlPhaseStartSetup "KDC and kadmind setup" + # Stop and backup + rlRun "rlServiceStop kadmin krb5kdc" + rlRun "rm -f /var/kerberos/krb5kdc/principal* /var/kerberos/krb5kdc/.k5*" + rlFileBackup $krb5conf /var/kerberos/krb5kdc /etc/sysconfig/{kadmin,krb5kdc} /etc/hosts + rlFileBackup --clean /root/.k5login + [ -e /etc/krb5.keytab ] && rlFileBackup /etc/krb5.keytab + [ -e $krb5confdir ] && rlFileBackup $krb5confdir + # Basic setup of KDC and krb5.conf + rlRun "sed -i \"s/\[libdefaults\]/[libdefaults]\n default_realm = $krb5REALM1/\" $krb5conf" + rlRun "sed -i \"s/\[realms\]/[realms]\n $krb5REALM1 = {\n kdc = $krb5HostName\n admin_server = $krb5HostName\n }/\" $krb5conf" + if [ "$krb5DomainName" ]; then + rlRun "sed -i \"s/\[domain_realm\]/[domain_realm]\n .$krb5DomainName = $krb5REALM1\n $krb5DomainName = $krb5REALM1/\" $krb5conf" + else + rlRun "sed -i \"s/\[domain_realm\]/[domain_realm]\n $krb5HostName = $krb5REALM1/\" $krb5conf" + fi + rlRun "sed -i s/EXAMPLE.COM/$krb5REALM1/ $krb5kdcconf" + # Configure the kadmin ACL + rlRun "echo \"*/master@$krb5REALM1 *\" > $krb5kadmacl" + if rlIsFedora '>=31';then + rlLog "Modify supported_enctypes for Fedora >=31. Remove *DES ciphers." + rlRun "sed -i \"s/supported_enctypes.*/supported_enctypes = aes256-cts:normal aes128-cts:normal arcfour-hmac:normal camellia256-cts:normal camellia128-cts:normal/\" /var/kerberos/krb5kdc/kdc.conf" + elif rlIsRHEL '8' && [ `rpm -q --qf '%{VERSION}' krb5-server | cut -d"." -f2` -lt 18 ];then + rlLog "Modify supported_enctypes for RHEL-8." + rlRun "sed -i \"s/supported_enctypes.*/supported_enctypes = aes256-cts:normal aes128-cts:normal des3-hmac-sha1:normal arcfour-hmac:normal camellia256-cts:normal camellia128-cts:normal/\" /var/kerberos/krb5kdc/kdc.conf" + else + #RHEL-8 Bug 1802334 - [Rebase] krb5: rebase to 1.18: + #- Removal of *DES encryption types + #https://bugzilla.redhat.com/show_bug.cgi?id=1802334 + rlLog "Modify supported_enctypes for RHEL-8 with krb-1.18. Remove *DES ciphers." + rlRun "sed -i \"s/supported_enctypes.*/supported_enctypes = aes256-cts:normal aes128-cts:normal arcfour-hmac:normal camellia256-cts:normal camellia128-cts:normal/\" /var/kerberos/krb5kdc/kdc.conf" + fi + # Create the realm databases + rlRun "rngd -r /dev/urandom" + rlRun "kdb5_util create -s -r $krb5REALM1 -P $krb5KDCPass" + rlRun "rlServiceStart kadmin krb5kdc" + rlRun "kadmin.local -r $krb5REALM1 -q \"addprinc -pw $krb5RootPass root/master\"" + rlRun "kadmin.local -r $krb5REALM1 -q \"addprinc -pw $krb5UserKrbPass $krb5User\"" + rlRun "kadmin.local -r $krb5REALM1 -q \"addprinc -randkey host/$krb5HostName\"" + rlRun "kadmin.local -r $krb5REALM1 -q \"ktadd host/$krb5HostName\"" + # Create test system user + [ $krb5User != "root" ] && rlRun "useradd $krb5User" + rlRun "echo $krb5UserPass | passwd --stdin $krb5User" + rlPhaseEnd + + rlPhaseStartTest "Run GEF got-audit" + rlRun "systemctl restart krb5kdc.service" + rlRun "systemctl restart kadmin.service" + rlRun "systemctl --no-pager status krb5kdc.service" + rlRun "systemctl --no-pager status kadmin.service" + + rlRun "SERVICE_PID=\$( systemctl show --property=MainPID krb5kdc.service | cut -f2 -d= )" + rlRun "echo SERVICE_PID is '$SERVICE_PID'" + [ -n "$SERVICE_PID" ] || rlFail "No service pid was found" + rlRun "gdb-gef --pid '$SERVICE_PID' --command='$TestDir'/got-audit.gdb --batch > '$auditfile'" + # Basic test: ensure that at least one symbol is found in libc.so, + # to verify that the report looks plausible. + rlAssertGrep " : /.*/libc.so" "$auditfile" + # Ensure the got-audit did not report any errors + rlAssertNotGrep " :: ERROR" "$auditfile" + rlRun "cp '$auditfile' '$TMT_TEST_DATA'/krb5kdc-got-audit.txt" + + rlRun "SERVICE_PID=\$( systemctl show --property=MainPID kadmin.service | cut -f2 -d= )" + rlRun "echo SERVICE_PID is '$SERVICE_PID'" + [ -n "$SERVICE_PID" ] || rlFail "No service pid was found" + rlRun "gdb-gef --pid '$SERVICE_PID' --command='$TestDir'/got-audit.gdb --batch > '$auditfile'" + # Basic test: ensure that at least one symbol is found in libc.so, + # to verify that the report looks plausible. + rlAssertGrep " : /.*/libc.so" "$auditfile" + # Ensure the got-audit did not report any errors + rlAssertNotGrep " :: ERROR" "$auditfile" + rlRun "cp '$auditfile' '$TMT_TEST_DATA'/kadmin-got-audit.txt" + rlPhaseEnd + + rlPhaseStartCleanup + rlRun "rm -rf /var/kerberos/krb5kdc/* /var/kerberos/krb5kdc/.k5* /etc/krb5* /etc/sysconfig/{kadmin,krb5kdc}" + rlFileRestore + rlServiceRestore krb5kdc kadmin + [ $krb5User != "root" ] && rlRun "userdel -r -f $krb5User" + rlRun "popd" + rlRun "rm -r $TmpDir" 0 "Removing tmp directory" + rlPhaseEnd +rlJournalPrintText +rlJournalEnd