diff options
Diffstat (limited to 'bin/rndc/unix')
| -rw-r--r-- | bin/rndc/unix/Makefile.in | 36 | ||||
| -rw-r--r-- | bin/rndc/unix/os.c | 70 |
2 files changed, 106 insertions, 0 deletions
diff --git a/bin/rndc/unix/Makefile.in b/bin/rndc/unix/Makefile.in new file mode 100644 index 0000000..6696c23 --- /dev/null +++ b/bin/rndc/unix/Makefile.in @@ -0,0 +1,36 @@ +# Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2001 Internet Software Consortium. +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.3 2004/03/05 04:58:29 marka Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +@BIND9_MAKE_INCLUDES@ + +CINCLUDES = -I${srcdir}/include -I${srcdir}/../include \ + ${DNS_INCLUDES} ${ISC_INCLUDES} + +CDEFINES = +CWARNINGS = + +OBJS = os.@O@ + +SRCS = os.c + +TARGETS = ${OBJS} + +@BIND9_MAKE_RULES@ diff --git a/bin/rndc/unix/os.c b/bin/rndc/unix/os.c new file mode 100644 index 0000000..f5f6a91 --- /dev/null +++ b/bin/rndc/unix/os.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: os.c,v 1.6.18.2 2005/04/29 00:15:41 marka Exp $ */ + +/*! \file */ + +#include <config.h> + +#include <rndc/os.h> + +#include <fcntl.h> +#include <unistd.h> +#include <sys/types.h> +#include <pwd.h> +#include <errno.h> +#include <stdio.h> +#include <sys/stat.h> + +int +set_user(FILE *fd, const char *user) { + struct passwd *pw; + + pw = getpwnam(user); + if (pw == NULL) { + errno = EINVAL; + return (-1); + } + return (fchown(fileno(fd), pw->pw_uid, -1)); +} + +FILE * +safe_create(const char *filename) { + int fd; + FILE *f; + struct stat sb; + int flags = O_WRONLY; + + if (stat(filename, &sb) == -1) { + if (errno != ENOENT) + return (NULL); + flags = O_WRONLY | O_CREAT | O_EXCL; + } else if ((sb.st_mode & S_IFREG) == 0) { + errno = EOPNOTSUPP; + return (NULL); + } else + flags = O_WRONLY | O_TRUNC; + + fd = open(filename, flags, S_IRUSR | S_IWUSR); + if (fd == -1) + return (NULL); + f = fdopen(fd, "w"); + if (f == NULL) + close(fd); + return (f); +} |
