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authorJeff Layton <jlayton@samba.org>2013-07-31 10:38:19 -0400
committerJeremy Allison <jra@samba.org>2013-07-31 15:16:04 -0700
commitba9d8612e3f66fa7c8c1999c26c658167124b18f (patch)
tree861ee28a76ea5389afd40da54e0f9e253d29e221 /nsswitch/libwbclient
parent1a4ec0b885f95b481d9df6461bd4a8e8fd175f53 (diff)
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wbclient: fix conversion logic in wbcSidToStringBuf
Might as well fix it to handle large authority values properly. Also correct some of the formatting. Signed-off-by: Jeff Layton <jlayton@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'nsswitch/libwbclient')
-rw-r--r--nsswitch/libwbclient/wbc_sid.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/nsswitch/libwbclient/wbc_sid.c b/nsswitch/libwbclient/wbc_sid.c
index 99091c9108..471f71b084 100644
--- a/nsswitch/libwbclient/wbc_sid.c
+++ b/nsswitch/libwbclient/wbc_sid.c
@@ -32,7 +32,7 @@
* result if it was long enough. */
int wbcSidToStringBuf(const struct wbcDomainSid *sid, char *buf, int buflen)
{
- uint32_t id_auth;
+ uint64_t id_auth;
int i, ofs;
if (!sid) {
@@ -40,22 +40,25 @@ int wbcSidToStringBuf(const struct wbcDomainSid *sid, char *buf, int buflen)
return 10; /* strlen("(NULL SID)") */
}
- /*
- * BIG NOTE: this function only does SIDS where the identauth is not
- * >= ^32 in a range of 2^48.
- */
-
- id_auth = sid->id_auth[5] +
- (sid->id_auth[4] << 8) +
- (sid->id_auth[3] << 16) +
- (sid->id_auth[2] << 24);
+ id_auth = (uint64_t)sid->id_auth[5] +
+ ((uint64_t)sid->id_auth[4] << 8) +
+ ((uint64_t)sid->id_auth[3] << 16) +
+ ((uint64_t)sid->id_auth[2] << 24) +
+ ((uint64_t)sid->id_auth[1] << 32) +
+ ((uint64_t)sid->id_auth[0] << 40);
- ofs = snprintf(buf, buflen, "S-%u-%lu",
- (unsigned int)sid->sid_rev_num, (unsigned long)id_auth);
+ ofs = snprintf(buf, buflen, "S-%hhu-", (unsigned char)sid->sid_rev_num);
+ if (id_auth >= UINT32_MAX) {
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "0x%llx",
+ (unsigned long long)id_auth);
+ } else {
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "%llu",
+ (unsigned long long)id_auth);
+ }
for (i = 0; i < sid->num_auths; i++) {
- ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "-%lu",
- (unsigned long)sid->sub_auths[i]);
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "-%u",
+ (unsigned int)sid->sub_auths[i]);
}
return ofs;
}