From: Volker Lendecke <vl@samba.org>
Date: Wed, 9 Jan 2019 16:04:34 +0000 (+0100)
Subject: lib: Add "utok_string"
X-Git-Tag: talloc-2.3.1~867
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=219a189c9993893149c9beef90a9d626ee0f3fa7;p=thirdparty%2Fsamba.git

lib: Add "utok_string"

A terse, one-line unix token representation for debugging purposes

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 7bf921f3476..0d02f38fc8b 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -423,6 +423,7 @@ bool map_open_params_to_ntcreate(const char *smb_base_fname,
 				 uint32_t *pprivate_flags);
 struct security_unix_token *copy_unix_token(TALLOC_CTX *ctx, const struct security_unix_token *tok);
 struct security_unix_token *root_unix_token(TALLOC_CTX *mem_ctx);
+char *utok_string(TALLOC_CTX *mem_ctx, const struct security_unix_token *tok);
 bool dir_check_ftype(uint32_t mode, uint32_t dirtype);
 
 /* The following definitions come from lib/util_builtin.c  */
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 7530ea67973..8bafcbb83d7 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -2173,6 +2173,35 @@ struct security_unix_token *root_unix_token(TALLOC_CTX *mem_ctx)
 	return t;
 }
 
+char *utok_string(TALLOC_CTX *mem_ctx, const struct security_unix_token *tok)
+{
+	char *str;
+	uint32_t i;
+
+	str = talloc_asprintf(
+		mem_ctx,
+		"uid=%ju, gid=%ju, %"PRIu32" groups:",
+		(uintmax_t)(tok->uid),
+		(uintmax_t)(tok->gid),
+		tok->ngroups);
+	if (str == NULL) {
+		return NULL;
+	}
+
+	for (i=0; i<tok->ngroups; i++) {
+		char *tmp;
+		tmp = talloc_asprintf_append_buffer(
+			str, " %ju", (uintmax_t)tok->groups[i]);
+		if (tmp == NULL) {
+			TALLOC_FREE(str);
+			return NULL;
+		}
+		str = tmp;
+	}
+
+	return str;
+}
+
 /****************************************************************************
  Check that a file matches a particular file type.
 ****************************************************************************/