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https://github.com/samba-team/samba.git
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param: calculate server role from security, and security from server role
This allows smb.conf files from either the samba3 or samba4 tradition to come to the same value of server role, using the information in the smb.conf file. This is important so that tools like 'net getlocalsid' work against a Samba4 AD installation (yes, users have tried this). Andrew Bartlett Pair-Programmed-With: Amitay Isaacs <amitay@samba.org>
This commit is contained in:
parent
f099feaa01
commit
9524e2fce1
@ -65,6 +65,7 @@
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#include "s3_param.h"
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#include "lib/util/bitmap.h"
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#include "libcli/smb/smb_constants.h"
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#include "lib/param/loadparm_server_role.h"
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#define standard_sub_basic talloc_strdup
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@ -81,6 +82,10 @@ static bool defaults_saved = false;
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char *tls_dhpfile; \
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char *loglevel; \
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char *panic_action; \
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int server_role; \
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int security; \
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int domain_master; \
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bool domain_logons; \
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int bPreferredMaster;
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#include "param_global.h"
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@ -113,8 +118,10 @@ static const struct enum_list enum_protocol[] = {
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};
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static const struct enum_list enum_security[] = {
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{SEC_AUTO, "AUTO"},
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{SEC_SHARE, "SHARE"},
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{SEC_USER, "USER"},
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{SEC_DOMAIN, "DOMAIN"},
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{SEC_ADS, "ADS"},
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{-1, NULL}
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};
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@ -1484,9 +1491,6 @@ static struct loadparm_context *global_loadparm_context;
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#include "lib/param/param_functions.c"
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FN_GLOBAL_INTEGER(server_role, server_role)
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static FN_GLOBAL_BOOL(domain_logons, domain_logons)
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FN_GLOBAL_INTEGER(domain_master, domain_master)
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FN_GLOBAL_LIST(smb_ports, smb_ports)
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FN_GLOBAL_INTEGER(nbt_port, nbt_port)
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FN_GLOBAL_INTEGER(dgram_port, dgram_port)
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@ -1570,7 +1574,6 @@ FN_GLOBAL_INTEGER(srv_maxprotocol, srv_maxprotocol)
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FN_GLOBAL_INTEGER(srv_minprotocol, srv_minprotocol)
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FN_GLOBAL_INTEGER(cli_maxprotocol, cli_maxprotocol)
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FN_GLOBAL_INTEGER(cli_minprotocol, cli_minprotocol)
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FN_GLOBAL_INTEGER(security, security)
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FN_GLOBAL_BOOL(paranoid_server_security, paranoid_server_security)
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FN_GLOBAL_INTEGER(server_signing, server_signing)
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@ -3306,7 +3309,7 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
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lpcfg_do_global_parameter(lp_ctx, "share backend", "classic");
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lpcfg_do_global_parameter(lp_ctx, "server role", "standalone");
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lpcfg_do_global_parameter(lp_ctx, "server role", "auto");
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lpcfg_do_global_parameter(lp_ctx, "domain logons", "No");
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lpcfg_do_global_parameter(lp_ctx, "domain master", "Auto");
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@ -3370,7 +3373,7 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
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lpcfg_do_global_parameter(lp_ctx, "server max protocol", "NT1");
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lpcfg_do_global_parameter(lp_ctx, "client min protocol", "CORE");
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lpcfg_do_global_parameter(lp_ctx, "client max protocol", "NT1");
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lpcfg_do_global_parameter(lp_ctx, "security", "USER");
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lpcfg_do_global_parameter(lp_ctx, "security", "AUTO");
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lpcfg_do_global_parameter(lp_ctx, "paranoid server security", "True");
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lpcfg_do_global_parameter(lp_ctx, "EncryptPasswords", "True");
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lpcfg_do_global_parameter(lp_ctx, "ReadRaw", "True");
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@ -3799,3 +3802,15 @@ struct gensec_settings *lpcfg_gensec_settings(TALLOC_CTX *mem_ctx, struct loadpa
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return settings;
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}
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int lpcfg_server_role(struct loadparm_context *lp_ctx)
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{
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if (lp_ctx->s3_fns) {
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return lp_ctx->s3_fns->server_role();
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}
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return lp_find_server_role(lp_ctx->globals->server_role,
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lp_ctx->globals->security,
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lp_ctx->globals->domain_logons,
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(lp_ctx->globals->domain_master == true) ||
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(lp_ctx->globals->domain_master == Auto));
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}
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@ -26,13 +26,15 @@
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "lib/param/loadparm_server_role.h"
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#include "libds/common/roles.h"
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/*******************************************************************
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Set the server type we will announce as via nmbd.
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********************************************************************/
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static const struct srv_role_tab {
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uint32 role;
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uint32_t role;
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const char *role_str;
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} srv_role_tab [] = {
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{ ROLE_STANDALONE, "ROLE_STANDALONE" },
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@ -42,7 +44,7 @@ static const struct srv_role_tab {
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{ 0, NULL }
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};
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const char* server_role_str(uint32 role)
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const char* server_role_str(uint32_t role)
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{
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int i = 0;
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for (i=0; srv_role_tab[i].role_str; i++) {
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@ -53,43 +55,57 @@ const char* server_role_str(uint32 role)
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return NULL;
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}
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void set_server_role(void)
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/**
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* Set the server role based on security, domain logons and domain master
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*/
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int lp_find_server_role(int server_role, int security, bool domain_logons, bool domain_master)
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{
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int server_role = ROLE_STANDALONE;
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int role;
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switch (lp_security()) {
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if (server_role != ROLE_AUTO) {
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return server_role;
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}
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/* If server_role is set to ROLE_AUTO, figure out the correct role */
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role = ROLE_STANDALONE;
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switch (security) {
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case SEC_SHARE:
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if (lp_domain_logons())
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if (domain_logons) {
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DEBUG(0, ("Server's Role (logon server) conflicts with share-level security\n"));
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}
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break;
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case SEC_SERVER:
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if (lp_domain_logons())
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if (domain_logons) {
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DEBUG(0, ("Server's Role (logon server) conflicts with server-level security\n"));
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}
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/* this used to be considered ROLE_DOMAIN_MEMBER but that's just wrong */
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server_role = ROLE_STANDALONE;
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role = ROLE_STANDALONE;
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break;
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case SEC_DOMAIN:
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if (lp_domain_logons()) {
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if (domain_logons) {
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DEBUG(1, ("Server's Role (logon server) NOT ADVISED with domain-level security\n"));
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server_role = ROLE_DOMAIN_BDC;
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role = ROLE_DOMAIN_BDC;
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break;
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}
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server_role = ROLE_DOMAIN_MEMBER;
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role = ROLE_DOMAIN_MEMBER;
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break;
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case SEC_ADS:
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if (lp_domain_logons()) {
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server_role = ROLE_DOMAIN_CONTROLLER;
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if (domain_logons) {
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role = ROLE_DOMAIN_CONTROLLER;
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break;
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}
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server_role = ROLE_DOMAIN_MEMBER;
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role = ROLE_DOMAIN_MEMBER;
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break;
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case SEC_AUTO:
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case SEC_USER:
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if (lp_domain_logons()) {
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if (domain_logons) {
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if (lp_domain_master_true_or_auto()) /* auto or yes */
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server_role = ROLE_DOMAIN_PDC;
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else
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server_role = ROLE_DOMAIN_BDC;
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if (domain_master) {
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role = ROLE_DOMAIN_PDC;
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} else {
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role = ROLE_DOMAIN_BDC;
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}
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}
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break;
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default:
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@ -97,7 +113,31 @@ void set_server_role(void)
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break;
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}
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_lp_set_server_role(server_role);
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DEBUG(10, ("set_server_role: role = %s\n", server_role_str(server_role)));
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return role;
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}
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/**
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* Set the server role based on security, domain logons and domain master
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*/
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int lp_find_security(int server_role, int security)
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{
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if (security != SEC_AUTO) {
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return security;
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}
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switch (server_role) {
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case ROLE_AUTO:
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case ROLE_STANDALONE:
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return SEC_USER;
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case ROLE_DOMAIN_MEMBER:
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#if (defined(HAVE_ADS) || _SAMBA_BUILD_ >= 4)
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return SEC_ADS;
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#else
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return SEC_DOMAIN;
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#endif
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case ROLE_DOMAIN_PDC:
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case ROLE_DOMAIN_BDC:
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default:
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return SEC_USER;
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}
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}
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31
lib/param/loadparm_server_role.h
Normal file
31
lib/param/loadparm_server_role.h
Normal file
@ -0,0 +1,31 @@
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/*
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Unix SMB/CIFS implementation.
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Parameter loading functions
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Copyright (C) Karl Auer 1993-1998
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Largely re-written by Andrew Tridgell, September 1994
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Copyright (C) Simo Sorce 2001
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Copyright (C) Alexander Bokovoy 2002
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Copyright (C) Stefan (metze) Metzmacher 2002
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Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
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Copyright (C) Michael Adam 2008
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Copyright (C) Andrew Bartlett 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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const char* server_role_str(uint32_t role);
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int lp_find_server_role(int server_role, int security, bool domain_logons, bool domain_master);
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int lp_find_security(int server_role, int security);
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@ -16,11 +16,16 @@ bld.SAMBA_GENERATOR('param_global_h',
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target='param_global.h',
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rule='${PERL} ${SRC[1].abspath(env)} ${SRC[0].abspath(env)} --file ${TGT} --generate-scope=GLOBAL')
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bld.SAMBA_LIBRARY('server-role',
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source='loadparm_server_role.c',
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deps='samba-util',
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private_library=True)
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bld.SAMBA_LIBRARY('samba-hostconfig',
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source='loadparm.c generic.c util.c',
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pc_files='samba-hostconfig.pc',
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vnum='0.0.1',
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deps='DYNCONFIG',
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deps='DYNCONFIG server-role',
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public_deps='samba-util param_local_h',
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public_headers='param.h',
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autoproto='param_proto.h',
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#define ROLE_DOMAIN_CONTROLLER ROLE_DOMAIN_BDC
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/* security levels for 'security =' option */
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enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
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enum security_types {SEC_AUTO, SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
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#endif /* _LIBDS_ROLES_H_ */
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$file->("\tbool (*load)(const char *filename);\n");
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$file->("\tbool (*set_cmdline)(const char *pszParmName, const char *pszParmValue);\n");
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$file->("\tvoid (*dump)(FILE *f, bool show_defaults, int maxtoprint);\n");
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$file->("\tint (*server_role)(void);\n");
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}
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sub print_footer($$)
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@ -495,7 +495,7 @@ READLINE_OBJ = ../libcli/smbreadline/smbreadline.o
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# Be sure to include them into your application
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POPT_LIB_OBJ = lib/popt_common.o
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PARAM_WITHOUT_REG_OBJ = ../dynconfig/dynconfig.o param/loadparm.o param/loadparm_ctx.o param/loadparm_server_role.o param/util.o lib/sharesec.o lib/ldap_debug_handler.o ../lib/param/loadparm.o ../lib/param/util.o
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PARAM_WITHOUT_REG_OBJ = ../dynconfig/dynconfig.o param/loadparm.o param/loadparm_ctx.o ../lib/param/loadparm_server_role.o param/util.o lib/sharesec.o lib/ldap_debug_handler.o ../lib/param/loadparm.o ../lib/param/util.o
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PARAM_REG_ADD_OBJ = $(REG_SMBCONF_OBJ) $(LIBSMBCONF_OBJ) $(PRIVILEGES_BASIC_OBJ)
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PARAM_OBJ = $(PARAM_WITHOUT_REG_OBJ) $(PARAM_REG_ADD_OBJ)
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@ -1619,7 +1619,6 @@ struct share_params *get_share_params(TALLOC_CTX *mem_ctx,
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const char *sharename);
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const char *volume_label(int snum);
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bool lp_domain_master(void);
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bool lp_domain_master_true_or_auto(void);
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bool lp_preferred_master(void);
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void lp_remove_service(int snum);
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void lp_copy_service(int snum, const char *new_name);
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@ -60,6 +60,7 @@
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#include "lib/smbconf/smbconf.h"
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#include "lib/smbconf/smbconf_init.h"
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#include "lib/param/loadparm.h"
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#include "lib/param/loadparm_server_role.h"
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#include "ads.h"
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#include "../librpc/gen_ndr/svcctl.h"
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@ -4822,7 +4823,7 @@ static void init_globals(bool reinit_globals)
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Globals.PrintcapCacheTime = 750; /* 12.5 minutes */
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Globals.ConfigBackend = config_backend;
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Globals.ServerRole = ROLE_STANDALONE;
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Globals.ServerRole = ROLE_AUTO;
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/* Was 65535 (0xFFFF). 0x4101 matches W2K and causes major speed improvements... */
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/* Discovered by 2 days of pain by Don McCall @ HP :-). */
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@ -5390,7 +5391,7 @@ FN_GLOBAL_INTEGER(lp_lock_spin_time, iLockSpinTime)
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FN_GLOBAL_INTEGER(lp_usershare_max_shares, iUsershareMaxShares)
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FN_GLOBAL_CONST_STRING(lp_socket_options, szSocketOptions)
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FN_GLOBAL_INTEGER(lp_config_backend, ConfigBackend)
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FN_GLOBAL_INTEGER(lp_server_role, ServerRole)
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static FN_GLOBAL_INTEGER(lp__server_role, ServerRole)
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FN_GLOBAL_INTEGER(lp_smb2_max_read, ismb2_max_read)
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FN_GLOBAL_INTEGER(lp_smb2_max_write, ismb2_max_write)
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FN_GLOBAL_INTEGER(lp_smb2_max_trans, ismb2_max_trans)
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@ -9121,7 +9122,6 @@ static bool lp_load_ex(const char *pszFname,
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}
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}
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set_server_role();
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set_allowed_client_auth();
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if (lp_security() == SEC_SHARE) {
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@ -9432,7 +9432,7 @@ bool lp_domain_master(void)
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If we are PDC then prefer us as DMB
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************************************************************/
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bool lp_domain_master_true_or_auto(void)
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static bool lp_domain_master_true_or_auto(void)
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{
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if (Globals.iDomainMaster) /* auto or yes */
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return true;
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@ -9736,7 +9736,10 @@ bool lp_readraw(void)
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return _lp_readraw();
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}
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void _lp_set_server_role(int server_role)
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int lp_server_role(void)
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{
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Globals.ServerRole = server_role;
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return lp_find_server_role(lp__server_role(),
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lp_security(),
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lp_domain_logons(),
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lp_domain_master_true_or_auto());
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}
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@ -74,7 +74,6 @@ static const struct loadparm_s3_context s3_fns =
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.dump = lp_dump,
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.server_role = lp_server_role,
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.domain_master = lp_domain_master,
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.winbind_separator = lp_winbind_separator,
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.template_homedir = lp_template_homedir,
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@ -82,7 +82,7 @@ POPT_LIB_SRC = '''lib/popt_common.c'''
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PARAM_UTIL_SRC = '''param/util.c'''
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PARAM_WITHOUT_REG_SRC = '''param/loadparm.c param/loadparm_server_role.c
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PARAM_WITHOUT_REG_SRC = '''param/loadparm.c
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lib/sharesec.c lib/ldap_debug_handler.c lib/util_names.c'''
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KRBCLIENT_SRC = '''libads/kerberos.c libads/ads_status.c libsmb/clikrb5.c'''
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