From 37dfe80132d665b1fced67540457362c3ee00a7b Mon Sep 17 00:00:00 2001 From: Alexander Bokovoy Date: Tue, 23 Jan 2024 14:47:50 +0200 Subject: [PATCH] sidgen: ignore staged users when generating SIDs Staged users have uidNumber: -1 gidNumber: -1 ipaUniqueID: autogenerate We cannot generate ipaSecurityIdentifier based on those UID/GID numbers. However, '-1' value will trigger an error find_sid_for_ldap_entry - [file ipa_sidgen_common.c, line 483]: ID value too large. And that, in turn, will cause stopping SID generation for all users. Detect 'ipaUniqueID: autogenerate' situation and ignore these entries. Fixes: https://pagure.io/freeipa/issue/9517 Signed-off-by: Alexander Bokovoy Reviewed-By: Florence Blanc-Renaud Reviewed-By: Thierry Bordaz --- daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen.h | 2 ++ .../ipa-slapi-plugins/ipa-sidgen/ipa_sidgen_common.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen.h b/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen.h index 0feff7eec9999a76bf950b8b9fc9fa25b3a2fa88..bd46982d06b3272874f256a8b0c2293fa4829f5b 100644 --- a/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen.h +++ b/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen.h @@ -45,6 +45,8 @@ #define UID_NUMBER "uidnumber" #define GID_NUMBER "gidnumber" #define IPA_SID "ipantsecurityidentifier" +#define IPA_UNIQUEID "ipauniqueid" +#define IPA_UNIQUEID_AUTOGENERATE "autogenerate" #define DOM_ATTRS_FILTER OBJECTCLASS"=ipantdomainattrs" #define DOMAIN_ID_RANGE_FILTER OBJECTCLASS"=ipadomainidrange" #define POSIX_ACCOUNT "posixaccount" diff --git a/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen_common.c b/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen_common.c index 6f784804cd39acdf88ceceb0e21b272a04fa13fc..cb763ebf8c733e50483c23856a248eb536c796f1 100644 --- a/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen_common.c +++ b/daemons/ipa-slapi-plugins/ipa-sidgen/ipa_sidgen_common.c @@ -454,6 +454,7 @@ int find_sid_for_ldap_entry(struct slapi_entry *entry, uint32_t id; char *sid = NULL; char **objectclasses = NULL; + char *uniqueid = NULL; Slapi_PBlock *mod_pb = NULL; Slapi_Mods *smods = NULL; int result; @@ -479,6 +480,16 @@ int find_sid_for_ldap_entry(struct slapi_entry *entry, goto done; } + uniqueid = slapi_entry_attr_get_charptr(entry, IPA_UNIQUEID); + if (uniqueid != NULL && + strncmp(IPA_UNIQUEID_AUTOGENERATE, uniqueid, + sizeof(IPA_UNIQUEID_AUTOGENERATE)) == 0) { + LOG("Staged entry [%s] does not have Posix IDs, nothing to do.\n", + dn_str); + ret = 0; + goto done; + } + if (uid_number >= UINT32_MAX || gid_number >= UINT32_MAX) { LOG_FATAL("ID value too large.\n"); ret = LDAP_CONSTRAINT_VIOLATION; @@ -554,6 +565,7 @@ int find_sid_for_ldap_entry(struct slapi_entry *entry, } done: + slapi_ch_free_string(&uniqueid); slapi_ch_free_string(&sid); slapi_pblock_destroy(mod_pb); slapi_mods_free(&smods); -- 2.43.0