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Update some comments, mostly regarding LOGIN_MECLASS and ~/.login_conf.

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This commit is contained in:
Yaroslav Tykhiy 2007-06-14 06:42:49 +00:00
parent b5e547df33
commit a742982378
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=170713
1 changed files with 18 additions and 8 deletions
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26
lib/libutil/login_cap.c
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@ -169,13 +169,16 @@ login_close(login_cap_t * lc)
/*
* login_getclassbyname() get the login class by its name.
* login_getclassbyname()
* Get the login class by its name.
* If the name given is NULL or empty, the default class
* LOGIN_DEFCLASS (ie. "default") is fetched. If the
* LOGIN_DEFCLASS (i.e., "default") is fetched.
* If the name given is LOGIN_MECLASS and
* 'pwd' argument is non-NULL and contains an non-NULL
* dir entry, then the file _FILE_LOGIN_CONF is picked
* up from that directory and used before the system
* login database.
* login database. In that case the system login database
* is looked up using LOGIN_MECLASS, too, which is a bug.
* Return a filled-out login_cap_t structure, including
* class name, and the capability record buffer.
*/
@ -216,6 +219,9 @@ login_getclassbyname(char const *name, const struct passwd *pwd)
if (_secure_path(userpath, pwd->pw_uid, pwd->pw_gid) != -1)
i++; /* only use 'secure' data */
}
/*
* XXX: Why to add the system database if the class is `me'?
*/
if (_secure_path(_PATH_LOGIN_CONF, 0, 0) != -1)
login_dbarray[i++] = _PATH_LOGIN_CONF;
login_dbarray[i] = NULL;
@ -300,12 +306,13 @@ login_getclass(const char *cls)
/*
* login_getclass()
* login_getpwclass()
* Get the login class for a given password entry from
* the system (only) login class database.
* If the password entry's class field is not set, or
* the class specified does not exist, then use the
* default of LOGIN_DEFCLASS (ie. "default").
* default of LOGIN_DEFCLASS (i.e., "default") for an unprivileged
* user or that of LOGIN_DEFROOTCLASS (i.e., "root") for a super-user.
* Return a filled-out login_cap_t structure, including
* class name, and the capability record buffer.
*/
@ -320,14 +327,18 @@ login_getpwclass(const struct passwd *pwd)
if (cls == NULL || *cls == '\0')
cls = (pwd->pw_uid == 0) ? LOGIN_DEFROOTCLASS : LOGIN_DEFCLASS;
}
/*
* XXX: pwd should be unused by login_getclassbyname() unless cls is `me',
* so NULL can be passed instead of pwd for more safety.
*/
return login_getclassbyname(cls, pwd);
}
/*
* login_getuserclass()
* Get the login class for a given password entry, allowing user
* overrides via ~/.login_conf.
* Get the `me' login class, allowing user overrides via ~/.login_conf.
* Note that user overrides are allowed only in the `me' class.
*/
login_cap_t *
@ -337,7 +348,6 @@ login_getuserclass(const struct passwd *pwd)
}
/*
* login_getcapstr()
* Given a login_cap entry, and a capability name, return the