1*48351Scael.\" Copyright (c) 1990, 1991 The Regents of the University of California. 241581Sbostic.\" All rights reserved. 341581Sbostic.\" 441581Sbostic.\" %sccs.include.redist.man% 541581Sbostic.\" 6*48351Scael.\" @(#)strmode.3 5.3 (Berkeley) 04/19/91 741581Sbostic.\" 8*48351Scael.Dd 9*48351Scael.Dt STRMODE 3 10*48351Scael.Os 11*48351Scael.Sh NAME 12*48351Scael.Nm strmode 13*48351Scael.Nd convert inode status information into a symbolic string 14*48351Scael.Sh SYNOPSIS 15*48351Scael.Fd #include <string.h> 16*48351Scael.Ft void 17*48351Scael.Fn strmode "mode_t mode" "char *bp" 18*48351Scael.Sh DESCRIPTION 19*48351ScaelThe 20*48351Scael.Fn strmode 21*48351Scaelfunction 2241581Sbosticconverts a file 23*48351Scael.Fa mode 2441581Sbostic(the type and permission information associated with an inode, see 25*48351Scael.Xr stat 2 ) 2641581Sbosticinto a symbolic string which is stored in the location referenced by 27*48351Scael.Fa bp . 2841581SbosticThis stored string is eleven characters in length plus a trailing NULL. 29*48351Scael.Pp 3041581SbosticThe first character is the inode type, and will be one of the following: 31*48351Scael.Bl -tag -width xxxx 32*48351Scael.It \- 3341581Sbosticregular file 34*48351Scael.It b 3541581Sbosticblock special 36*48351Scael.It c 3741581Sbosticcharacter special 38*48351Scael.It d 3941581Sbosticdirectory 40*48351Scael.It l 4141581Sbosticsymbolic link 42*48351Scael.It p 4341581Sbosticfifo 44*48351Scael.It s 4541581Sbosticsocket 46*48351Scael.It ? 4741581Sbosticunknown inode type 48*48351Scael.El 49*48351Scael.Pp 5041581SbosticThe next nine characters encode three sets of permissions, in three 5141581Sbosticcharacters each. 5241581SbosticThe first three characters are the permissions for the owner of the 5341581Sbosticfile, the second three for the group the file belongs to, and the 5441581Sbosticthird for the ``other'', or default, set of users. 55*48351Scael.Pp 5641581SbosticPermission checking is done as specifically as possible. 5741581SbosticIf read permission is denied to the owner of a file in the first set 5841581Sbosticof permssions, the owner of the file will not be able to read the file. 5941581SbosticThis is true even if the owner is in the file's group and the group 6041581Sbosticpermissions allow reading or the ``other'' permissions allow reading. 61*48351Scael.Pp 6241581SbosticIf the first character of the three character set is an ``r'', the file is 6341581Sbosticreadable for that set of users; if a dash ``\-'', it is not readable. 64*48351Scael.Pp 6541581SbosticIf the second character of the three character set is a ``w'', the file is 6641581Sbosticwritable for that set of users; if a dash ``\-'', it is not writable. 67*48351Scael.Pp 6841581SbosticThe third character is the first of the following characters that apply: 69*48351Scael.Bl -tag -width xxxx 70*48351Scael.It S 7141581SbosticIf the character is part of the owner permissions and the file is not 7241581Sbosticexecutable or the directory is not searchable, by the owner, and the 7341581Sbosticset-user-id bit is set. 74*48351Scael.It S 7541581SbosticIf the character is part of the group permissions and the file is not 7641581Sbosticexecutable or the directory is not searchable, by the group, and the 7741581Sbosticset-group-id bit is set. 78*48351Scael.It T 7941581SbosticIf the character is part of the other permissions and the file is not 8041581Sbosticexecutable or the directory is not searchable, by others, and the ``sticky'' 81*48351Scael.Pq Dv S_ISVTX 82*48351Scaelbit is set. 83*48351Scael.It s 8441581SbosticIf the character is part of the owner permissions and the file is 8541581Sbosticexecutable or the directory searchable, by the owner, and the set-user-id 8641581Sbosticbit is set. 87*48351Scael.It s 8841581SbosticIf the character is part of the group permissions and the file is 8941581Sbosticexecutable or the directory searchable, by the group, and the set-group-id 9041581Sbosticbit is set. 91*48351Scael.It t 9241581SbosticIf the character is part of the other permissions and the file is 9341581Sbosticexecutable or the directory searchable, by others, and the ``sticky'' 94*48351Scael.Pq Dv S_ISVTX 95*48351Scaelbit is set. 96*48351Scael.It x 9741581SbosticThe file is executable or the directory is searchable. 98*48351Scael.It \- 9941581SbosticNone of the above apply. 100*48351Scael.El 101*48351Scael.Pp 10241581SbosticThe last character is a plus sign ``+'' if any there are any alternate 10341581Sbosticor additional access control methods associated with the inode, otherwise 10441581Sbosticit will be a space. 105*48351Scael.Sh RETURN VALUES 106*48351ScaelThe 107*48351Scael.Fn strmode 108*48351Scaelfunction 10941581Sbosticalways returns 0. 110*48351Scael.Sh SEE ALSO 111*48351Scael.Xr chmod 1 , 112*48351Scael.Xr find 1 , 113*48351Scael.Xr stat 2 , 114*48351Scael.Xr getmode 3 , 115*48351Scael.Xr setmode 3 116*48351Scael.Sh HISTORY 117*48351ScaelThe 118*48351Scael.Fn strmode 119*48351Scaelfunction 120*48351Scael.Ud . 121