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/*
* Common functions for LRM interface to resource agents
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* File: racommon.c
* Author: Sun Jiang Dong <sunjd@cn.ibm.com>
* Copyright (c) 2004 International Business Machines
*
*/
#include <lha_internal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <dirent.h>
#include <libgen.h> /* Add it for compiling on OSX */
#include <glib.h>
#include <sys/stat.h>
#include <clplumbing/cl_log.h>
#include <lrm/raexec.h>
#include <lrm/racommon.h>
void
get_ra_pathname(const char* class_path, const char* type, const char* provider,
char pathname[])
{
char* type_dup;
char* base_name;
type_dup = g_strndup(type, RA_MAX_NAME_LENGTH);
if (type_dup == NULL) {
cl_log(LOG_ERR, "No enough memory to allocate.");
pathname[0] = '\0';
return;
}
base_name = basename(type_dup);
if ( strncmp(type, base_name, RA_MAX_NAME_LENGTH) == 0 ) {
/*the type does not include path*/
if (provider) {
snprintf(pathname, RA_MAX_NAME_LENGTH, "%s/%s/%s",
class_path, provider, type);
}else{
snprintf(pathname, RA_MAX_NAME_LENGTH, "%s/%s",
class_path,type);
}
}else{
/*the type includes path, just copy it to pathname*/
if ( *type == '/' ) {
g_strlcpy(pathname, type, RA_MAX_NAME_LENGTH);
} else {
*pathname = '\0';
cl_log(LOG_ERR, "%s: relative paths not allowed: %s",
__FUNCTION__, type);
}
}
g_free(type_dup);
}
/*
* Description: Filter a file.
* Return Value:
* TRUE: the file is qualified.
* FALSE: the file is unqualified.
* Notes: A qualifed file is a regular file with execute bits
* which does not start with '.'
*/
gboolean
filtered(char * file_name)
{
struct stat buf;
char *s;
if ( stat(file_name, &buf) != 0 ) {
return FALSE;
}
if ( ((s = strrchr(file_name,'/')) && *(s+1) == '.')
|| *file_name == '.' ) {
return FALSE;
}
if ( S_ISREG(buf.st_mode)
&& ( ( buf.st_mode & S_IXUSR ) || ( buf.st_mode & S_IXGRP )
|| ( buf.st_mode & S_IXOTH ) ) ) {
return TRUE;
}
return FALSE;
}
int
get_runnable_list(const char* class_path, GList ** rsc_info)
{
struct dirent **namelist;
int file_num;
if ( rsc_info == NULL ) {
cl_log(LOG_ERR, "Parameter error: get_resource_list");
return -2;
}
if ( *rsc_info != NULL ) {
cl_log(LOG_ERR, "Parameter error: get_resource_list."\
"will cause memory leak.");
*rsc_info = NULL;
}
file_num = scandir(class_path, &namelist, NULL, alphasort);
if (file_num < 0) {
cl_log(LOG_ERR, "scandir failed in RA plugin");
return -2;
} else{
while (file_num--) {
char tmp_buffer[FILENAME_MAX+1];
tmp_buffer[0] = '\0';
tmp_buffer[FILENAME_MAX] = '\0';
snprintf(tmp_buffer, FILENAME_MAX, "%s/%s",
class_path, namelist[file_num]->d_name );
if ( filtered(tmp_buffer) == TRUE ) {
*rsc_info = g_list_append(*rsc_info,
g_strdup(namelist[file_num]->d_name));
}
free(namelist[file_num]);
}
free(namelist);
}
return g_list_length(*rsc_info);
}
int
get_failed_exec_rc(void)
{
int rc;
switch (errno) { /* see execve(2) */
case ENOENT: /* No such file or directory */
case EISDIR: /* Is a directory */
rc = EXECRA_NOT_INSTALLED;
break;
case EACCES: /* permission denied (various errors) */
rc = EXECRA_INSUFFICIENT_PRIV;
break;
default:
rc = EXECRA_EXEC_UNKNOWN_ERROR;
break;
}
return rc;
}
void
closefiles(void)
{
int fd;
/* close all descriptors except stdin/out/err and channels to logd */
for (fd = getdtablesize() - 1; fd > STDERR_FILENO; fd--) {
/*if (!cl_log_is_logd_fd(fd))*/
close(fd);
}
}
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