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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include <stdio.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <regex.h> |
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#ifdef ALLBSD |
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#include <fcntl.h> |
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#include <kvm.h> |
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#endif |
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#ifdef NETBSD |
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#include <uvm/uvm_extern.h> |
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#endif |
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|
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#include "tools.h" |
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|
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#ifdef SOLARIS |
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#include <libdevinfo.h> |
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#include <kstat.h> |
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#include <unistd.h> |
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#include <ctype.h> |
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#include <sys/types.h> |
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#include <sys/dkio.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <sys/fcntl.h> |
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#include <dirent.h> |
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#endif |
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|
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#ifdef SOLARIS |
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struct map{ |
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char *bsd; |
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char *svr; |
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|
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struct map *next; |
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}; |
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typedef struct map mapping_t; |
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|
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static mapping_t *mapping = NULL; |
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|
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char *get_svr_from_bsd(char *bsd){ |
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mapping_t *map_ptr; |
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for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next) |
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if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr; |
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|
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return bsd; |
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} |
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|
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void add_mapping(char *bsd, char *svr){ |
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mapping_t *map_ptr; |
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mapping_t *map_end_ptr; |
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|
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bsd = strdup(bsd); |
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svr = strdup(svr); |
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|
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if (mapping == NULL){ |
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mapping = malloc(sizeof(mapping_t)); |
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if (mapping == NULL) return; |
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map_ptr = mapping; |
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}else{ |
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/* See if its already been added */ |
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for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){ |
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if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){ |
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return; |
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} |
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map_end_ptr = map_ptr; |
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} |
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|
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/* We've reached end of list and not found the entry.. So we need to malloc |
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* new mapping_t |
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*/ |
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map_end_ptr->next = malloc(sizeof(mapping_t)); |
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if (map_end_ptr->next == NULL) return; |
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map_ptr = map_end_ptr->next; |
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} |
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|
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map_ptr->next = NULL; |
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map_ptr->bsd = bsd; |
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map_ptr->svr = svr; |
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|
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return; |
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} |
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|
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char *read_dir(char *disk_path){ |
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DIR *dirp; |
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struct dirent *dp; |
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struct stat stbuf; |
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char *svr_name; |
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char current_dir[MAXPATHLEN]; |
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char file_name[MAXPATHLEN]; |
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char temp_name[MAXPATHLEN]; |
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char dir_dname[MAXPATHLEN]; |
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char *dsk_dir; |
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int x; |
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|
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dsk_dir = "/dev/osa/dev/dsk"; |
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strncpy(current_dir, dsk_dir, sizeof current_dir); |
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if ((dirp = opendir(current_dir)) == NULL){ |
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dsk_dir = "/dev/dsk"; |
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snprintf(current_dir, sizeof current_dir, "%s", dsk_dir); |
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if ((dirp = opendir(current_dir)) == NULL){ |
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return NULL; |
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} |
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} |
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|
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while ((dp = readdir(dirp)) != NULL){ |
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snprintf(temp_name, sizeof temp_name, "../..%s", disk_path); |
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snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name); |
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stat(dir_dname,&stbuf); |
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|
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if (S_ISBLK(stbuf.st_mode)){ |
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x = readlink(dir_dname, file_name, sizeof(file_name)); |
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file_name[x] = '\0'; |
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if (strcmp(file_name, temp_name) == 0) { |
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svr_name = strdup(dp->d_name); |
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closedir(dirp); |
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return svr_name; |
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} |
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} |
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} |
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closedir(dirp); |
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return NULL; |
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} |
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|
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|
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|
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int get_alias(char *alias){ |
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char file[MAXPATHLEN]; |
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di_node_t root_node; |
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di_node_t node; |
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di_minor_t minor = DI_MINOR_NIL; |
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char tmpnode[MAXPATHLEN]; |
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char *phys_path; |
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char *minor_name; |
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char *value; |
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int instance; |
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if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) { |
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return 1; |
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} |
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node = di_drv_first_node(alias, root_node); |
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while (node != DI_NODE_NIL) { |
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if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) { |
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instance = di_instance(node); |
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phys_path = di_devfs_path(node); |
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minor_name = di_minor_name(minor); |
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strcpy(tmpnode, alias); |
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sprintf(tmpnode, "%s%d", tmpnode, instance); |
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strlcpy(file, "/devices", sizeof file); |
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strlcat(file, phys_path, sizeof file); |
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strlcat(file, ":", sizeof file); |
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strlcat(file, minor_name, sizeof file); |
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value = read_dir(file); |
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if (value != NULL){ |
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add_mapping(tmpnode, value); |
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} |
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di_devfs_path_free(phys_path); |
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node = di_drv_next_node(node); |
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}else{ |
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node = di_drv_next_node(node); |
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} |
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} |
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di_fini(root_node); |
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return 0; |
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} |
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|
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int build_mapping(){ |
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char device_name[512]; |
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int x; |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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kstat_io_t kios; |
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|
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if ((kc = kstat_open()) == NULL) { |
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return; |
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} |
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|
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for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
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if (!strcmp(ksp->ks_class, "disk")) { |
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if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
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/* We dont want metadevices appearing as num_diskio */ |
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if(strcmp(ksp->ks_module, "md")==0) continue; |
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if((kstat_read(kc, ksp, &kios))==-1) continue; |
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strncpy(device_name, ksp->ks_name, sizeof device_name); |
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for(x=0;x<(sizeof device_name);x++){ |
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if( isdigit((int)device_name[x]) ) break; |
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} |
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if(x == sizeof device_name) x--; |
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device_name[x] = '\0'; |
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if((get_alias(device_name)) != 0){ |
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return 1; |
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} |
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} |
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} |
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|
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return 0; |
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} |
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|
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#endif |
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|
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|
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|
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char *f_read_line(FILE *f, const char *string){ |
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/* Max line length. 8k should be more than enough */ |
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static char line[8192]; |
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|
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while((fgets(line, sizeof(line), f))!=NULL){ |
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if(strncmp(string, line, strlen(string))==0){ |
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return line; |
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} |
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} |
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|
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return NULL; |
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} |
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|
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char *get_string_match(char *line, regmatch_t *match){ |
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int len=match->rm_eo - match->rm_so; |
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char *match_string=malloc(len+1); |
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|
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match_string=strncpy(match_string, line+match->rm_so, len); |
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match_string[len]='\0'; |
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|
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return match_string; |
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} |
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|
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|
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|
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#ifndef HAVE_ATOLL |
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static long long atoll(const char *s) { |
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long long value = 0; |
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int isneg = 0; |
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|
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while (*s == ' ' || *s == '\t') { |
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s++; |
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} |
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if (*s == '-') { |
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isneg = 1; |
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s++; |
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} |
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while (*s >= '0' && *s <= '9') { |
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value = (10 * value) + (*s - '0'); |
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s++; |
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} |
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return (isneg ? -value : value); |
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} |
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#endif |
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|
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long long get_ll_match(char *line, regmatch_t *match){ |
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char *ptr; |
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long long num; |
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|
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ptr=line+match->rm_so; |
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num=atoll(ptr); |
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|
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return num; |
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} |
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|
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#ifdef ALLBSD |
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kvm_t *get_kvm() { |
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static kvm_t *kvmd = NULL; |
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|
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if (kvmd != NULL) { |
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return kvmd; |
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} |
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|
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kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL); |
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return kvmd; |
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} |
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#endif |
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|
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#ifdef NETBSD |
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struct uvmexp *get_uvmexp() { |
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static u_long addr = 0; |
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static struct uvmexp uvm; |
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kvm_t *kvmd = get_kvm(); |
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|
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if (kvmd == NULL) { |
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return NULL; |
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} |
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|
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if (addr == 0) { |
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struct nlist symbols[] = { |
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{ "_uvmexp" }, |
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{ NULL } |
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}; |
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|
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if (kvm_nlist(kvmd, symbols) != 0) { |
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return NULL; |
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} |
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addr = symbols[0].n_value; |
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} |
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|
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if (kvm_read(kvmd, addr, &uvm, sizeof uvm) != sizeof uvm) { |
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return NULL; |
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} |
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return &uvm; |
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} |
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#endif |
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|
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int statgrab_init(){ |
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#ifdef ALLBSD |
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{ |
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kvm_t *kvmd = get_kvm(); |
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if (kvmd == NULL) return 1; |
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} |
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#endif |
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#ifdef NETBSD |
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{ |
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struct uvmexp *uvm = get_uvmexp(); |
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if (uvm == NULL) return 1; |
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} |
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#endif |
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#ifdef SOLARIS |
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if((build_mapping()) != 0) return 1; |
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#endif |
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return 0; |
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} |
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|
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int statgrab_drop_privileges() { |
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if (setegid(getgid()) != 0) return -1; |
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if (seteuid(getuid()) != 0) return -1; |
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return 0; |
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} |
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|
