diff options
Diffstat (limited to '')
| -rw-r--r-- | debian/patches/auth-Fix-handling-passdbs-with-identical-driver-args-but-.patch | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/debian/patches/auth-Fix-handling-passdbs-with-identical-driver-args-but-.patch b/debian/patches/auth-Fix-handling-passdbs-with-identical-driver-args-but-.patch new file mode 100644 index 0000000..7f0dd36 --- /dev/null +++ b/debian/patches/auth-Fix-handling-passdbs-with-identical-driver-args-but-.patch @@ -0,0 +1,130 @@ +From: Timo Sirainen <timo.sirainen@open-xchange.com> +Date: Mon, 9 May 2022 15:23:33 +0300 +Subject: auth: Fix handling passdbs with identical driver/args but different + mechanisms/username_filter + +The passdb was wrongly deduplicated in this situation, causing wrong +mechanisms or username_filter setting to be used. This would be a rather +unlikely configuration though. + +Fixed by moving mechanisms and username_filter from struct passdb_module +to struct auth_passdb, which is where they should have been in the first +place. +--- + src/auth/auth-request.c | 6 +++--- + src/auth/auth.c | 18 ++++++++++++++++++ + src/auth/auth.h | 5 +++++ + src/auth/passdb.c | 15 ++------------- + src/auth/passdb.h | 4 ---- + 5 files changed, 28 insertions(+), 20 deletions(-) + +diff --git a/src/auth/auth-request.c b/src/auth/auth-request.c +index ee89e75..cd44cd4 100644 +--- a/src/auth/auth-request.c ++++ b/src/auth/auth-request.c +@@ -553,8 +553,8 @@ auth_request_want_skip_passdb(struct auth_request *request, + struct auth_passdb *passdb) + { + /* if mechanism is not supported, skip */ +- const char *const *mechs = passdb->passdb->mechanisms; +- const char *const *username_filter = passdb->passdb->username_filter; ++ const char *const *mechs = passdb->mechanisms; ++ const char *const *username_filter = passdb->username_filter; + const char *username; + + username = request->fields.user; +@@ -567,7 +567,7 @@ auth_request_want_skip_passdb(struct auth_request *request, + return TRUE; + } + +- if (passdb->passdb->username_filter != NULL && ++ if (passdb->username_filter != NULL && + !auth_request_username_accepted(username_filter, username)) { + auth_request_log_debug(request, + request->mech != NULL ? AUTH_SUBSYS_MECH +diff --git a/src/auth/auth.c b/src/auth/auth.c +index 845c43c..a5a4c81 100644 +--- a/src/auth/auth.c ++++ b/src/auth/auth.c +@@ -93,6 +93,24 @@ auth_passdb_preinit(struct auth *auth, const struct auth_passdb_settings *set, + auth_passdb->override_fields_tmpl = + passdb_template_build(auth->pool, set->override_fields); + ++ if (*set->mechanisms == '\0') { ++ auth_passdb->mechanisms = NULL; ++ } else if (strcasecmp(set->mechanisms, "none") == 0) { ++ auth_passdb->mechanisms = (const char *const[]){ NULL }; ++ } else { ++ auth_passdb->mechanisms = ++ (const char *const *)p_strsplit_spaces(auth->pool, ++ set->mechanisms, " ,"); ++ } ++ ++ if (*set->username_filter == '\0') { ++ auth_passdb->username_filter = NULL; ++ } else { ++ auth_passdb->username_filter = ++ (const char *const *)p_strsplit_spaces(auth->pool, ++ set->username_filter, " ,"); ++ } ++ + /* for backwards compatibility: */ + if (set->pass) + auth_passdb->result_success = AUTH_DB_RULE_CONTINUE; +diff --git a/src/auth/auth.h b/src/auth/auth.h +index 3ca5a9b..6208e4d 100644 +--- a/src/auth/auth.h ++++ b/src/auth/auth.h +@@ -41,6 +41,11 @@ struct auth_passdb { + struct passdb_template *default_fields_tmpl; + struct passdb_template *override_fields_tmpl; + ++ /* Supported authentication mechanisms, NULL is all, {NULL} is none */ ++ const char *const *mechanisms; ++ /* Username filter, NULL is no filter */ ++ const char *const *username_filter; ++ + enum auth_passdb_skip skip; + enum auth_db_rule result_success; + enum auth_db_rule result_failure; +diff --git a/src/auth/passdb.c b/src/auth/passdb.c +index 9bc2b87..d3c61cc 100644 +--- a/src/auth/passdb.c ++++ b/src/auth/passdb.c +@@ -224,19 +224,8 @@ passdb_preinit(pool_t pool, const struct auth_passdb_settings *set) + passdb->id = ++auth_passdb_id; + passdb->iface = *iface; + passdb->args = p_strdup(pool, set->args); +- if (*set->mechanisms == '\0') { +- passdb->mechanisms = NULL; +- } else if (strcasecmp(set->mechanisms, "none") == 0) { +- passdb->mechanisms = (const char *const[]){NULL}; +- } else { +- passdb->mechanisms = (const char* const*)p_strsplit_spaces(pool, set->mechanisms, " ,"); +- } +- +- if (*set->username_filter == '\0') { +- passdb->username_filter = NULL; +- } else { +- passdb->username_filter = (const char* const*)p_strsplit_spaces(pool, set->username_filter, " ,"); +- } ++ /* NOTE: if anything else than driver & args are added here, ++ passdb_find() also needs to be updated. */ + array_push_back(&passdb_modules, &passdb); + return passdb; + } +diff --git a/src/auth/passdb.h b/src/auth/passdb.h +index b405aa7..8f50050 100644 +--- a/src/auth/passdb.h ++++ b/src/auth/passdb.h +@@ -63,10 +63,6 @@ struct passdb_module { + /* Default password scheme for this module. + If default_cache_key is set, must not be NULL. */ + const char *default_pass_scheme; +- /* Supported authentication mechanisms, NULL is all, [NULL] is none*/ +- const char *const *mechanisms; +- /* Username filter, NULL is no filter */ +- const char *const *username_filter; + + /* If blocking is set to TRUE, use child processes to access + this passdb. */ |