r3358: Try to put all the basic struct dom_sid manipulation functions in one

place.  (I always have trouble finding one half or the other).

Andrew Bartlett
(This used to be commit 224b59edba7c00ad515b4c5e3e9a886700247ad4)

1 files changed, 57 insertions, 0 deletions

diff --git a/source4/libcli/util/dom_sid.c b/source4/libcli/util/dom_sid.c
index c2d188abec..1faf3debab 100644
--- a/source4/libcli/util/dom_sid.c
+++ b/source4/libcli/util/dom_sid.c
@@ -23,6 +23,39 @@
 #include "includes.h"
 
 /*
+  convert a dom_sid to a string
+*/
+char *dom_sid_string(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
+{
+	int i, ofs, maxlen;
+	uint32_t ia;
+	char *ret;
+	
+	if (!sid) {
+		return talloc_strdup(mem_ctx, "(NULL SID)");
+	}
+
+	maxlen = sid->num_auths * 11 + 25;
+	ret = talloc(mem_ctx, maxlen);
+	if (!ret) return talloc_strdup(mem_ctx, "(SID ERR)");
+
+	ia = (sid->id_auth[5]) +
+		(sid->id_auth[4] << 8 ) +
+		(sid->id_auth[3] << 16) +
+		(sid->id_auth[2] << 24);
+
+	ofs = snprintf(ret, maxlen, "S-%u-%lu", 
+		       (uint_t)sid->sid_rev_num, (unsigned long)ia);
+
+	for (i = 0; i < sid->num_auths; i++) {
+		ofs += snprintf(ret + ofs, maxlen - ofs, "-%lu", (unsigned long)sid->sub_auths[i]);
+	}
+	
+	return ret;
+}
+
+
+/*
   convert a string to a dom_sid, returning a talloc'd dom_sid
 */
 struct dom_sid *dom_sid_parse_talloc(TALLOC_CTX *mem_ctx, const char *sidstr)
@@ -121,3 +154,27 @@ struct dom_sid *dom_sid_dup(TALLOC_CTX *mem_ctx, struct dom_sid *dom_sid)
 	return ret;
 }
 
+/*
+  add a rid to a domain dom_sid to make a full dom_sid
+*/
+struct dom_sid *dom_sid_add_rid(TALLOC_CTX *mem_ctx, 
+				const struct dom_sid *domain_sid, 
+				uint32_t rid)
+{
+	struct dom_sid *sid;
+
+	sid = talloc_p(mem_ctx, struct dom_sid);
+	if (!sid) return NULL;
+
+	*sid = *domain_sid;
+	/*TODO: use realloc! */
+	sid->sub_auths = talloc_array_p(mem_ctx, uint32_t, sid->num_auths+1);
+	if (!sid->sub_auths) {
+		return NULL;
+	}
+	memcpy(sid->sub_auths, domain_sid->sub_auths, sid->num_auths*sizeof(uint32_t));
+	sid->sub_auths[sid->num_auths] = rid;
+	sid->num_auths++;
+	return sid;
+}
+