From 0356d7fb08776420ba099b7dcb479a6838ae9641 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?G=C3=BCnther=20Deschner?= Date: Fri, 14 May 2010 23:23:34 +0200 Subject: [PATCH 1/2] s3-kerberos: pass down kdc_name to create_local_private_krb5_conf_for_domain(). Guenther (cherry picked from commit e3bdff3d67b46277ee59685218bd90f3788b487d) --- source3/include/proto.h | 3 ++- source3/libads/kerberos.c | 19 ++++++++++++------- source3/libsmb/namequery_dc.c | 6 ++++-- source3/winbindd/winbindd_cm.c | 6 ++++-- 4 files changed, 22 insertions(+), 12 deletions(-) diff --git a/source3/include/proto.h b/source3/include/proto.h index 34b9f83..bd9665c 100644 --- a/source3/include/proto.h +++ b/source3/include/proto.h @@ -1790,7 +1790,8 @@ int kerberos_kinit_password(const char *principal, bool create_local_private_krb5_conf_for_domain(const char *realm, const char *domain, const char *sitename, - struct sockaddr_storage *pss); + struct sockaddr_storage *pss, + const char *kdc_name); /* The following definitions come from libads/kerberos_keytab.c */ diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c index f5f7f3d..262be85 100644 --- a/source3/libads/kerberos.c +++ b/source3/libads/kerberos.c @@ -663,7 +663,8 @@ int kerberos_kinit_password(const char *principal, static char *print_kdc_line(char *mem_ctx, const char *prev_line, - const struct sockaddr_storage *pss) + const struct sockaddr_storage *pss, + const char *kdc_name) { char *kdc_str = NULL; @@ -720,14 +721,15 @@ static char *print_kdc_line(char *mem_ctx, static char *get_kdc_ip_string(char *mem_ctx, const char *realm, const char *sitename, - struct sockaddr_storage *pss) + struct sockaddr_storage *pss, + const char *kdc_name) { int i; struct ip_service *ip_srv_site = NULL; struct ip_service *ip_srv_nonsite = NULL; int count_site = 0; int count_nonsite; - char *kdc_str = print_kdc_line(mem_ctx, "", pss); + char *kdc_str = print_kdc_line(mem_ctx, "", pss, kdc_name); if (kdc_str == NULL) { return NULL; @@ -751,7 +753,8 @@ static char *get_kdc_ip_string(char *mem_ctx, * but not done often. */ kdc_str = print_kdc_line(mem_ctx, kdc_str, - &ip_srv_site[i].ss); + &ip_srv_site[i].ss, + NULL); if (!kdc_str) { SAFE_FREE(ip_srv_site); return NULL; @@ -788,7 +791,8 @@ static char *get_kdc_ip_string(char *mem_ctx, /* Append to the string - inefficient but not done often. */ kdc_str = print_kdc_line(mem_ctx, kdc_str, - &ip_srv_nonsite[i].ss); + &ip_srv_nonsite[i].ss, + NULL); if (!kdc_str) { SAFE_FREE(ip_srv_site); SAFE_FREE(ip_srv_nonsite); @@ -816,7 +820,8 @@ static char *get_kdc_ip_string(char *mem_ctx, bool create_local_private_krb5_conf_for_domain(const char *realm, const char *domain, const char *sitename, - struct sockaddr_storage *pss) + struct sockaddr_storage *pss, + const char *kdc_name) { char *dname = lock_path("smb_krb5"); char *tmpname = NULL; @@ -855,7 +860,7 @@ bool create_local_private_krb5_conf_for_domain(const char *realm, realm_upper = talloc_strdup(fname, realm); strupper_m(realm_upper); - kdc_ip_string = get_kdc_ip_string(dname, realm, sitename, pss); + kdc_ip_string = get_kdc_ip_string(dname, realm, sitename, pss, kdc_name); if (!kdc_ip_string) { goto done; } diff --git a/source3/libsmb/namequery_dc.c b/source3/libsmb/namequery_dc.c index 7b0748f..68e399a 100644 --- a/source3/libsmb/namequery_dc.c +++ b/source3/libsmb/namequery_dc.c @@ -108,12 +108,14 @@ static bool ads_dc_name(const char *domain, create_local_private_krb5_conf_for_domain(realm, domain, sitename, - &ads->ldap.ss); + &ads->ldap.ss, + ads->config.ldap_server_name); } else { create_local_private_krb5_conf_for_domain(realm, domain, NULL, - &ads->ldap.ss); + &ads->ldap.ss, + ads->config.ldap_server_name); } } #endif diff --git a/source3/winbindd/winbindd_cm.c b/source3/winbindd/winbindd_cm.c index a0b4c9c..3b34a32 100644 --- a/source3/winbindd/winbindd_cm.c +++ b/source3/winbindd/winbindd_cm.c @@ -1136,7 +1136,8 @@ static bool dcip_to_name(TALLOC_CTX *mem_ctx, create_local_private_krb5_conf_for_domain(domain->alt_name, domain->name, sitename, - pss); + pss, + name); SAFE_FREE(sitename); } else { @@ -1144,7 +1145,8 @@ static bool dcip_to_name(TALLOC_CTX *mem_ctx, create_local_private_krb5_conf_for_domain(domain->alt_name, domain->name, NULL, - pss); + pss, + name); } winbindd_set_locator_kdc_envs(domain); -- 1.6.6.1 From 89ac7a9b0477c14332023cd46a3ea66146b770b9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?G=C3=BCnther=20Deschner?= Date: Sat, 15 May 2010 00:34:35 +0200 Subject: [PATCH 2/2] s3-kerberos: temporary fix for ipv6 in print_kdc_line(). Currently no krb5 lib supports "kdc = ipv6 address" at all, so for now just fill in just the kdc_name if we have it and let the krb5 lib figure out the appropriate ipv6 address ipv6 gurus, please check. Guenther (cherry picked from commit dd5a4e23f8c24564d3fd21bb8d01172321087362) --- source3/libads/kerberos.c | 25 ++++++++++++++++++++----- 1 files changed, 20 insertions(+), 5 deletions(-) diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c index 262be85..aa3a76b 100644 --- a/source3/libads/kerberos.c +++ b/source3/libads/kerberos.c @@ -676,6 +676,9 @@ static char *print_kdc_line(char *mem_ctx, char addr[INET6_ADDRSTRLEN]; uint16_t port = get_sockaddr_port(pss); + DEBUG(10,("print_kdc_line: IPv6 case for kdc_name: %s, port: %d\n", + kdc_name, port)); + if (port != 0 && port != DEFAULT_KRB5_PORT) { /* Currently for IPv6 we can't specify a non-default krb5 port with an address, as this requires a ':'. @@ -692,6 +695,7 @@ static char *print_kdc_line(char *mem_ctx, "Error %s\n.", print_canonical_sockaddr(mem_ctx, pss), gai_strerror(ret))); + return NULL; } /* Success, use host:port */ kdc_str = talloc_asprintf(mem_ctx, @@ -700,11 +704,22 @@ static char *print_kdc_line(char *mem_ctx, hostname, (unsigned int)port); } else { - kdc_str = talloc_asprintf(mem_ctx, "%s\tkdc = %s\n", - prev_line, - print_sockaddr(addr, - sizeof(addr), - pss)); + + /* no krb5 lib currently supports "kdc = ipv6 address" + * at all, so just fill in just the kdc_name if we have + * it and let the krb5 lib figure out the appropriate + * ipv6 address - gd */ + + if (kdc_name) { + kdc_str = talloc_asprintf(mem_ctx, "%s\tkdc = %s\n", + prev_line, kdc_name); + } else { + kdc_str = talloc_asprintf(mem_ctx, "%s\tkdc = %s\n", + prev_line, + print_sockaddr(addr, + sizeof(addr), + pss)); + } } } return kdc_str; -- 1.6.6.1