s3-lib: Add grpname to talloc_sub_specified().

BUG: https://bugzilla.samba.org/show_bug.cgi?id=2191

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

7 files changed, 56 insertions, 16 deletions

diff --git a/source3/include/proto.h b/source3/include/proto.h
index fc7f24d534..fe81145f6e 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -217,6 +217,7 @@ char *talloc_sub_basic(TALLOC_CTX *mem_ctx, const char *smb_name,
 char *talloc_sub_specified(TALLOC_CTX *mem_ctx,
 			const char *input_string,
 			const char *username,
+			const char *grpname,
 			const char *domain,
 			uid_t uid,
 			gid_t gid);
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index a254bcaa7d..ca2ac7981f 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -613,6 +613,7 @@ done:
 char *talloc_sub_specified(TALLOC_CTX *mem_ctx,
 			const char *input_string,
 			const char *username,
+			const char *grpname,
 			const char *domain,
 			uid_t uid,
 			gid_t gid)
@@ -648,9 +649,18 @@ char *talloc_sub_specified(TALLOC_CTX *mem_ctx,
 			break;
 		case 'G' :
 			if (gid != -1) {
-				a_string = talloc_string_sub(
-					tmp_ctx, a_string, "%G",
-					gidtoname(gid));
+				const char *name;
+
+				if (grpname != NULL) {
+					name = grpname;
+				} else {
+					name = gidtoname(gid);
+				}
+
+				a_string = talloc_string_sub(tmp_ctx,
+							     a_string,
+							     "%G",
+							     name);
 			} else {
 				a_string = talloc_string_sub(
 					tmp_ctx, a_string,
@@ -659,9 +669,18 @@ char *talloc_sub_specified(TALLOC_CTX *mem_ctx,
 			break;
 		case 'g' :
 			if (gid != -1) {
-				a_string = talloc_string_sub(
-					tmp_ctx, a_string, "%g",
-					gidtoname(gid));
+				const char *name;
+
+				if (grpname != NULL) {
+					name = grpname;
+				} else {
+					name = gidtoname(gid);
+				}
+
+				a_string = talloc_string_sub(tmp_ctx,
+							     a_string,
+							     "%g",
+							     name);
 			} else {
 				a_string = talloc_string_sub(
 					tmp_ctx, a_string, "%g", "NO_GROUP");
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c
index 379d85803f..5a4620f6cb 100644
--- a/source3/passdb/passdb.c
+++ b/source3/passdb/passdb.c
@@ -228,16 +228,16 @@ static NTSTATUS samu_set_unix_internal(struct pdb_methods *methods,
 		/* set some basic attributes */
 
 		pdb_set_profile_path(user, talloc_sub_specified(user, 
-			lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 
+			lp_logon_path(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
 			PDB_DEFAULT);		
 		pdb_set_homedir(user, talloc_sub_specified(user, 
-			lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
+			lp_logon_home(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
 			PDB_DEFAULT);
 		pdb_set_dir_drive(user, talloc_sub_specified(user, 
-			lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
+			lp_logon_drive(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
 			PDB_DEFAULT);
 		pdb_set_logon_script(user, talloc_sub_specified(user, 
-			lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 
+			lp_logon_script(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
 			PDB_DEFAULT);
 	}
 
diff --git a/source3/passdb/pdb_ldap.c b/source3/passdb/pdb_ldap.c
index d7db4d8051..bb0d3b3de9 100644
--- a/source3/passdb/pdb_ldap.c
+++ b/source3/passdb/pdb_ldap.c
@@ -5316,11 +5316,29 @@ static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
 
 		if (is_machine) {
 			/* TODO: choose a more appropriate default for machines */
-			homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
+			homedir = talloc_sub_specified(tmp_ctx,
+						       lp_template_homedir(),
+						       "SMB_workstations_home",
+						       NULL,
+						       ldap_state->domain_name,
+						       uid,
+						       gid);
 			shell = talloc_strdup(tmp_ctx, "/bin/false");
 		} else {
-			homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
-			shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
+			homedir = talloc_sub_specified(tmp_ctx,
+						       lp_template_homedir(),
+						       name,
+						       NULL,
+						       ldap_state->domain_name,
+						       uid,
+						       gid);
+			shell = talloc_sub_specified(tmp_ctx,
+						     lp_template_shell(),
+						     name,
+						     NULL,
+						     ldap_state->domain_name,
+						     uid,
+						     gid);
 		}
 		uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
 		gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 573e3f8110..37a44b2201 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -6553,7 +6553,7 @@ static bool subst_test(const char *str, const char *user, const char *domain,
 	char *subst;
 	bool result = true;
 
-	subst = talloc_sub_specified(talloc_tos(), str, user, domain, uid, gid);
+	subst = talloc_sub_specified(talloc_tos(), str, user, NULL, domain, uid, gid);
 
 	if (strcmp(subst, expected) != 0) {
 		printf("sub_specified(%s, %s, %s, %d, %d) returned [%s], expected "
diff --git a/source3/utils/net_sam.c b/source3/utils/net_sam.c
index 3a752ce619..b7b76e8093 100644
--- a/source3/utils/net_sam.c
+++ b/source3/utils/net_sam.c
@@ -1873,10 +1873,12 @@ doma_done:
 		gidstr = talloc_asprintf(tc, "%u", (unsigned int)domadmins_gid);
 		dir = talloc_sub_specified(tc, lp_template_homedir(),
 						"Administrator",
+						NULL,
 						get_global_sam_name(),
 						uid, domadmins_gid);
 		shell = talloc_sub_specified(tc, lp_template_shell(),
 						"Administrator",
+						NULL,
 						get_global_sam_name(),
 						uid, domadmins_gid);
 
diff --git a/source3/winbindd/wb_fill_pwent.c b/source3/winbindd/wb_fill_pwent.c
index 688afc6271..3b711bd7e1 100644
--- a/source3/winbindd/wb_fill_pwent.c
+++ b/source3/winbindd/wb_fill_pwent.c
@@ -214,11 +214,11 @@ static bool fillup_pw_field(const char *lp_template,
 
 	if ((in != NULL) && (in[0] != '\0') && (lp_security() == SEC_ADS)) {
 		templ = talloc_sub_specified(talloc_tos(), in,
-					     username, domname,
+					     username, NULL, domname,
 					     uid, gid);
 	} else {
 		templ = talloc_sub_specified(talloc_tos(), lp_template,
-					     username, domname,
+					     username, NULL, domname,
 					     uid, gid);
 	}