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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include "rtc.h"
#include "_conv.h"
#include "config_msg.h"
#define FEATSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
MSG_CONF_EDLIBPATH_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ESLIBPATH_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ADLIBPATH_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ASLIBPATH_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_DIRCFG_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_OBJALT_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_MEMRESV_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ENVS_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_FLTR_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
/*
* Ensure that Conv_config_feat_buf_t is large enough:
*
* FEATSZ is the real minimum size of the buffer required by conv_config_feat().
* However, Conv_config_feat_buf_t uses CONV_CONFIG_FEAT_BUFSIZE to set the
* buffer size. We do things this way because the definition of FEATSZ uses
* information that is not available in the environment of other programs
* that include the conv.h header file.
*/
#if (CONV_CONFIG_FEAT_BUFSIZE != FEATSZ) && !defined(__lint)
#define REPORT_BUFSIZE FEATSZ
#include "report_bufsize.h"
#error "CONV_CONFIG_FEAT_BUFSIZE does not match FEATSZ"
#endif
/*
* String conversion routine for configuration file information.
*/
const char *
conv_config_feat(int features, Conv_config_feat_buf_t *config_feat_buf)
{
static const Val_desc vda[] = {
{ CONF_EDLIBPATH, MSG_CONF_EDLIBPATH },
{ CONF_ESLIBPATH, MSG_CONF_ESLIBPATH },
{ CONF_ADLIBPATH, MSG_CONF_ADLIBPATH },
{ CONF_ASLIBPATH, MSG_CONF_ASLIBPATH },
{ CONF_DIRCFG, MSG_CONF_DIRCFG },
{ CONF_OBJALT, MSG_CONF_OBJALT },
{ CONF_MEMRESV, MSG_CONF_MEMRESV },
{ CONF_ENVS, MSG_CONF_ENVS },
{ CONF_FLTR, MSG_CONF_FLTR },
{ 0, 0 }
};
static CONV_EXPN_FIELD_ARG conv_arg = {
NULL, sizeof (config_feat_buf->buf) };
conv_arg.buf = config_feat_buf->buf;
conv_arg.oflags = conv_arg.rflags = features;
(void) conv_expn_field(&conv_arg, vda, 0);
return ((const char *)config_feat_buf->buf);
}
#define FLAGSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
MSG_CONF_DIRENT_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ALLENTS_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_NOEXIST_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_EXEC_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_ALTER_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_OPTIONAL_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_DUMP_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_REALPATH_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_NOALTER_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_GROUP_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_APP_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_CMDLINE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_FILTER_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_CONF_FILTEE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
/*
* Ensure that Conv_config_obj_buf_t is large enough:
*
* FLAGSZ is the real minimum size of the buffer required by conv_config_obj().
* However, Conv_config_obj_buf_t uses CONV_CONFIG_OBJ_BUFSIZE to set the
* buffer size. We do things this way because the definition of FLAGSZ uses
* information that is not available in the environment of other programs
* that include the conv.h header file.
*/
#if (CONV_CONFIG_OBJ_BUFSIZE != FLAGSZ) && !defined(__lint)
#define REPORT_BUFSIZE FLAGSZ
#include "report_bufsize.h"
#error "CONV_CONFIG_OBJ_BUFSIZE does not match FLAGSZ"
#endif
/*
* String conversion routine for object flags.
*/
const char *
conv_config_obj(ushort_t flags, Conv_config_obj_buf_t *config_obj_buf)
{
static const Val_desc vda[] = {
{ RTC_OBJ_DIRENT, MSG_CONF_DIRENT },
{ RTC_OBJ_ALLENTS, MSG_CONF_ALLENTS },
{ RTC_OBJ_NOEXIST, MSG_CONF_NOEXIST },
{ RTC_OBJ_EXEC, MSG_CONF_EXEC },
{ RTC_OBJ_ALTER, MSG_CONF_ALTER },
{ RTC_OBJ_DUMP, MSG_CONF_DUMP },
{ RTC_OBJ_NOALTER, MSG_CONF_NOALTER },
{ RTC_OBJ_REALPTH, MSG_CONF_REALPATH },
{ RTC_OBJ_GROUP, MSG_CONF_GROUP },
{ RTC_OBJ_APP, MSG_CONF_APP },
{ RTC_OBJ_CMDLINE, MSG_CONF_CMDLINE },
{ RTC_OBJ_FILTER, MSG_CONF_FILTER },
{ RTC_OBJ_FILTEE, MSG_CONF_FILTEE },
{ 0, 0 }
};
static const char *leading_str_arr[2];
static CONV_EXPN_FIELD_ARG conv_arg = {
NULL, sizeof (config_obj_buf->buf), leading_str_arr };
const char **lstr = leading_str_arr;
if ((flags == 0) || (flags == RTC_OBJ_OPTINAL))
return (MSG_ORIG(MSG_GBL_NULL));
conv_arg.buf = config_obj_buf->buf;
conv_arg.rflags = flags;
/*
* Print an alternative-optional object simply as optional.
*/
if ((flags & (RTC_OBJ_ALTER | RTC_OBJ_OPTINAL)) ==
(RTC_OBJ_ALTER | RTC_OBJ_OPTINAL)) {
*lstr++ = MSG_ORIG(MSG_CONF_OPTIONAL);
conv_arg.rflags &= ~(RTC_OBJ_ALTER | RTC_OBJ_OPTINAL);
}
*lstr = NULL;
conv_arg.oflags = conv_arg.rflags &= ~RTC_OBJ_OPTINAL;
(void) conv_expn_field(&conv_arg, vda, 0);
return ((const char *)config_obj_buf->buf);
}
/*
* Determine whether and old pathname exists within a search path string,
* without a new pathname, i.e., does the search path string contain "/usr/lib"
* but not "/lib". If so, add the new pathname before the old pathname. For
* example, convert:
*
* /local/lib:/opt/sfw/lib:/usr/lib
* to:
* /local/lib:/opt/sfw/lib:/lib:/usr/lib
*/
const char *
conv_config_upm(const char *str, const char *old, const char *new,
size_t newlen)
{
const char *curstr, *ptr;
const char *curold = 0, *curnew = 0;
const char *ptrold = old, * ptrnew = new;
int chkold = 1, chknew = 1;
for (curstr = ptr = str; *ptr; ptr++) {
if (*ptr == ':') {
/*
* We've come to the end of a token within the string.
*/
if ((uintptr_t)ptr - (uintptr_t)curstr) {
/*
* If the old or new string checking is still
* enabled, we've found a match.
*/
if (chkold)
curold = curstr;
if (chknew)
curnew = curstr;
}
curstr = (char *)(ptr + 1);
/*
* If an old or new string hasn't yet been matched,
* re-enable the checking for either.
*/
if (curold == 0) {
ptrold = old;
chkold = 1;
}
if (curnew == 0) {
ptrnew = new;
chknew = 1;
}
continue;
}
/*
* Determine if the current token matches the old or new string.
* If not, disable the checking for each string.
*/
if (chkold && (*ptr != *ptrold++))
chkold = 0;
if (chknew && (*ptr != *ptrnew++))
chknew = 0;
}
/*
* We've come to the end of the string, if the old or new string
* checking is still enabled, we've found a match.
*/
if ((uintptr_t)ptr - (uintptr_t)curstr) {
if (chkold)
curold = curstr;
if (chknew)
curnew = curstr;
}
/*
* If an old string hasn't been found, or it has and a new string has
* been found, return the original string.
*/
if ((curold == 0) || curnew)
return (str);
else {
char *newstr;
size_t len;
/*
* Allocate a new string, enlarged to accommodate the new string
* that will be inserted, and an associated separator.
*/
if ((curstr = malloc(newlen + 2 +
(uintptr_t)ptr - (uintptr_t)str)) == 0)
return (str);
newstr = (char *)curstr;
for (len = (uintptr_t)curold - (uintptr_t)str; len; len--)
*(newstr++) = *(str++); /* copy up to */
/* insertion point */
for (len = newlen; len; len--)
*(newstr++) = *(new++); /* add new string and */
*(newstr++) = ':'; /* separator */
for (len = (uintptr_t)ptr - (uintptr_t)str; len; len--)
*(newstr++) = *(str++); /* add remaining */
*(newstr++) = '\0'; /* string */
return (curstr);
}
}
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