diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | Versions | 5 | ||||
| -rw-r--r-- | include/bsd/string.h | 4 | ||||
| -rw-r--r-- | man/strmode.3 | 144 | ||||
| -rw-r--r-- | src/strmode.c | 149 |
5 files changed, 305 insertions, 3 deletions
@@ -1,7 +1,7 @@ LIB_NAME := libbsd LIB_VERSION_MAJOR := 0 -LIB_VERSION_MINOR := 0 -LIB_VERSION_MICRO := 1 +LIB_VERSION_MINOR := 1 +LIB_VERSION_MICRO := 0 LIB_VERSION := $(LIB_VERSION_MAJOR).$(LIB_VERSION_MINOR).$(LIB_VERSION_MICRO) LIB_PKGCONFIG := $(LIB_NAME).pc @@ -30,6 +30,7 @@ LIB_SRCS := \ inet_net_pton.c \ hash/md5.c hash/md5hl.c \ setmode.c \ + strmode.c \ strlcat.c strlcpy.c \ fmtcheck.c \ progname.c \ @@ -61,6 +62,7 @@ LIB_MANS := \ fgetln.3 \ fmtcheck.3 \ setmode.3 \ + strmode.3 \ md5.3bsd LIB_MANS := $(patsubst %,man/%,$(LIB_MANS)) @@ -34,3 +34,8 @@ LIBBSD_0.0 { local: *; }; + +LIBBSD_0.1 { + strmode; +} LIBBSD_0.0; + diff --git a/include/bsd/string.h b/include/bsd/string.h index d19f7b3..185a42d 100644 --- a/include/bsd/string.h +++ b/include/bsd/string.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005 Guillem Jover + * Copyright (C) 2004, 2005, 2009 Guillem Jover * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -36,4 +36,6 @@ size_t strlcat(char *dst, const char *src, size_t siz); char *fgetln(FILE *fp, size_t *lenp); wchar_t *fgetwln(FILE * __restrict fp, size_t *lenp); +void strmode(mode_t mode, char *str); + #endif diff --git a/man/strmode.3 b/man/strmode.3 new file mode 100644 index 0000000..e119453 --- /dev/null +++ b/man/strmode.3 @@ -0,0 +1,144 @@ +.\" Copyright (c) 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)strmode.3 8.3 (Berkeley) 7/28/94 +.\" $FreeBSD: src/lib/libc/string/strmode.3,v 1.9 2003/07/01 15:28:05 maxim Exp $ +.\" +.Dd July 28, 1994 +.Dt STRMODE 3 +.Os +.Sh NAME +.Nm strmode +.Nd convert inode status information into a symbolic string +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In string.h +.Ft void +.Fn strmode "mode_t mode" "char *bp" +.Sh DESCRIPTION +The +.Fn strmode +function +converts a file +.Fa mode +(the type and permission information associated with an inode, see +.Xr stat 2 ) +into a symbolic string which is stored in the location referenced by +.Fa bp . +This stored string is eleven characters in length plus a trailing +.Dv NUL . +.Pp +The first character is the inode type, and will be one of the following: +.Pp +.Bl -tag -width flag -offset indent -compact +.It \- +regular file +.It b +block special +.It c +character special +.It d +directory +.It l +symbolic link +.It p +fifo +.It s +socket +.It w +whiteout +.It ? +unknown inode type +.El +.Pp +The next nine characters encode three sets of permissions, in three +characters each. +The first three characters are the permissions for the owner of the +file, the second three for the group the file belongs to, and the +third for the ``other'', or default, set of users. +.Pp +Permission checking is done as specifically as possible. +If read permission is denied to the owner of a file in the first set +of permissions, the owner of the file will not be able to read the file. +This is true even if the owner is in the file's group and the group +permissions allow reading or the ``other'' permissions allow reading. +.Pp +If the first character of the three character set is an ``r'', the file is +readable for that set of users; if a dash ``\-'', it is not readable. +.Pp +If the second character of the three character set is a ``w'', the file is +writable for that set of users; if a dash ``\-'', it is not writable. +.Pp +The third character is the first of the following characters that apply: +.Bl -tag -width xxxx +.It S +If the character is part of the owner permissions and the file is not +executable or the directory is not searchable by the owner, and the +set-user-id bit is set. +.It S +If the character is part of the group permissions and the file is not +executable or the directory is not searchable by the group, and the +set-group-id bit is set. +.It T +If the character is part of the other permissions and the file is not +executable or the directory is not searchable by others, and the ``sticky'' +.Pq Dv S_ISVTX +bit is set. +.It s +If the character is part of the owner permissions and the file is +executable or the directory searchable by the owner, and the set-user-id +bit is set. +.It s +If the character is part of the group permissions and the file is +executable or the directory searchable by the group, and the set-group-id +bit is set. +.It t +If the character is part of the other permissions and the file is +executable or the directory searchable by others, and the ``sticky'' +.Pq Dv S_ISVTX +bit is set. +.It x +The file is executable or the directory is searchable. +.It \- +None of the above apply. +.El +.Pp +The last character is a plus sign ``+'' if any there are any alternate +or additional access control methods associated with the inode, otherwise +it will be a space. +.Sh SEE ALSO +.Xr chmod 1 , +.Xr find 1 , +.Xr stat 2 , +.Xr getmode 3 , +.Xr setmode 3 +.Sh HISTORY +The +.Fn strmode +function first appeared in +.Bx 4.4 . diff --git a/src/strmode.c b/src/strmode.c new file mode 100644 index 0000000..97136e6 --- /dev/null +++ b/src/strmode.c @@ -0,0 +1,149 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strmode.c 8.3 (Berkeley) 8/15/94"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> + +void +strmode(mode, p) + mode_t mode; + char *p; +{ + /* print type */ + switch (mode & S_IFMT) { + case S_IFDIR: /* directory */ + *p++ = 'd'; + break; + case S_IFCHR: /* character special */ + *p++ = 'c'; + break; + case S_IFBLK: /* block special */ + *p++ = 'b'; + break; + case S_IFREG: /* regular */ + *p++ = '-'; + break; + case S_IFLNK: /* symbolic link */ + *p++ = 'l'; + break; + case S_IFSOCK: /* socket */ + *p++ = 's'; + break; +#ifdef S_IFIFO + case S_IFIFO: /* fifo */ + *p++ = 'p'; + break; +#endif +#ifdef S_IFWHT + case S_IFWHT: /* whiteout */ + *p++ = 'w'; + break; +#endif + default: /* unknown */ + *p++ = '?'; + break; + } + /* usr */ + if (mode & S_IRUSR) + *p++ = 'r'; + else + *p++ = '-'; + if (mode & S_IWUSR) + *p++ = 'w'; + else + *p++ = '-'; + switch (mode & (S_IXUSR | S_ISUID)) { + case 0: + *p++ = '-'; + break; + case S_IXUSR: + *p++ = 'x'; + break; + case S_ISUID: + *p++ = 'S'; + break; + case S_IXUSR | S_ISUID: + *p++ = 's'; + break; + } + /* group */ + if (mode & S_IRGRP) + *p++ = 'r'; + else + *p++ = '-'; + if (mode & S_IWGRP) + *p++ = 'w'; + else + *p++ = '-'; + switch (mode & (S_IXGRP | S_ISGID)) { + case 0: + *p++ = '-'; + break; + case S_IXGRP: + *p++ = 'x'; + break; + case S_ISGID: + *p++ = 'S'; + break; + case S_IXGRP | S_ISGID: + *p++ = 's'; + break; + } + /* other */ + if (mode & S_IROTH) + *p++ = 'r'; + else + *p++ = '-'; + if (mode & S_IWOTH) + *p++ = 'w'; + else + *p++ = '-'; + switch (mode & (S_IXOTH | S_ISVTX)) { + case 0: + *p++ = '-'; + break; + case S_IXOTH: + *p++ = 'x'; + break; + case S_ISVTX: + *p++ = 'T'; + break; + case S_IXOTH | S_ISVTX: + *p++ = 't'; + break; + } + *p++ = ' '; /* will be a '+' if ACL's implemented */ + *p = '\0'; +} |