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39 .Nd "checks if a principal is permitted to login as a user"
41 Kerberos 5 Library (libkrb5, -lkrb5)
46 .Fa "krb5_context context"
47 .Fa "krb5_principal principal"
48 .Fa "const char *user"
51 This function takes the name of a local
55 is allowed to log in as that user.
61 file listing principals that are allowed to login as that user. If
62 that file does not exist, all principals with a first component
63 identical to the username, and a realm considered local, are allowed
68 file must contain one principal per line, be owned by
70 and not be writable by group or other (but must be readable by
73 Note that if the file exists, no implicit access rights are given to
74 .Fa user Ns @ Ns Aq localrealm .
76 Optionally, a set of files may be put in
78 a directory), in which case they will all be checked in the same
81 The files may be called anything, but files starting with a hash
83 or ending with a tilde
85 are ignored. Subdirectories are not traversed. Note that this
86 directory may not be checked by other implementations.
91 if access should be granted,
97 feature appeared in Heimdal 0.7.
99 .Xr krb5_get_default_realms 3 ,
100 .Xr krb5_verify_user 3 ,
101 .Xr krb5_verify_user_lrealm 3 ,
102 .Xr krb5_verify_user_opt 3 ,