jimzah/openafs
1
0
Fork 0
mirror of https://git.openafs.org/openafs.git synced 2025-01-19 15:30:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

userok: Allow NULL components in kerberosSuperUser

Browse Source 
Modify kerberosSuperUser so that it can support callers passing NULL,
rather than just empty, instance and cell strings

Change-Id: Ifc21eb0c4f562d65519e31db32723c3a2d19b363
Reviewed-on: http://gerrit.openafs.org/3351
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Simon Wilkinson 2010-09-13 08:24:12 +01:00 committed by Derrick Brashear
parent e6a2183f0c
commit eee9fe0945
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/auth/userok.c
View File

@ -340,7 +340,7 @@ static int
kerberosSuperUser(struct afsconf_dir *adir, char *tname, char *tinst,
char *tcell, char *namep)
{
char tcell_l[MAXKTCREALMLEN];
char tcell_l[MAXKTCREALMLEN] = "";
char *tmp;
/* keep track of which one actually authorized request */
@ -353,11 +353,13 @@ kerberosSuperUser(struct afsconf_dir *adir, char *tname, char *tinst,
int flag;
/* generate lowercased version of cell name */
strcpy(tcell_l, tcell);
tmp = tcell_l;
while (*tmp) {
*tmp = tolower(*tmp);
tmp++;
if (tcell) {
strcpy(tcell_l, tcell);
tmp = tcell_l;
while (*tmp) {
*tmp = tolower(*tmp);
tmp++;
}
}
/* determine local cell name. It's static, so will only get
@ -394,7 +396,7 @@ kerberosSuperUser(struct afsconf_dir *adir, char *tname, char *tinst,
/* If yes, then make sure that the name is not present in
* an exclusion list */
if (lrealm_match) {
if (tinst[0])
if (tinst && tinst[0])
snprintf(uname,sizeof(uname),"%s.%s@%s",tname,tinst,tcell);
else
snprintf(uname,sizeof(uname),"%s@%s",tname,tcell);
@ -408,7 +410,8 @@ kerberosSuperUser(struct afsconf_dir *adir, char *tname, char *tinst,
flag = 0;
/* localauth special case */
if (strlen(tinst) == 0 && strlen(tcell) == 0
if ((tinst == NULL || strlen(tinst) == 0) &&
(tcell == NULL || strlen(tcell) == 0)
&& !strcmp(tname, AUTH_SUPERUSER)) {
strcpy(uname, "<LocalAuth>");
flag = 1;