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* The backend socket has now support of credentials of peer clients

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* Added: CLICON_NACM_CREDENTIALS and CLICON_NACM_RECOVERY_USER
This commit is contained in:
Olof hagsand 2019-10-18 19:33:23 +02:00
parent 77b491c568
commit 279614d64f
33 changed files with 951 additions and 145 deletions
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39
lib/src/clixon_uid.c
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@ -90,10 +90,10 @@ group_name2gid(const char *name,
}
/*! Translate user name to uid. Return -1 if error or not found.
* @param[in] name Name of user
* @param[out] uid User id
* @retval 0 OK
* @retval -1 Error. or not found
* @param[in] name Name of user
* @param[out] uid User id
* @retval 0 OK
* @retval -1 Error. or not found
*/
int
name2uid(const char *name,
@ -119,6 +119,37 @@ name2uid(const char *name,
return retval;
}
/*! Translate uid to user name
* @param[in] uid User id
* @param[out] name User name
* @retval 0 OK
* @retval -1 Error. or not found
*/
int
uid2name(const uid_t uid,
char **name)
{
int retval = -1;
char buf[1024];
struct passwd pwbuf;
struct passwd *pwbufp = NULL;
if (getpwuid_r(uid, &pwbuf, buf, sizeof(buf), &pwbufp) != 0){
clicon_err(OE_UNIX, errno, "getpwuid_r(%u)", uid);
goto done;
}
if (pwbufp == NULL){
clicon_err(OE_UNIX, 0, "No such user: %u", uid);
goto done;
}
if (name)
*name = pwbufp->pw_name;
retval = 0;
done:
return retval;
}
/* Privileges drop perm, temp and restore
* @see https://www.usenix.org/legacy/events/sec02/full_papers/chen/chen.pdf
*/