1 |
tdb |
1.23 |
/* |
2 |
tdb |
1.43 |
* i-scream libstatgrab |
3 |
tdb |
1.6 |
* http://www.i-scream.org |
4 |
tdb |
1.23 |
* Copyright (C) 2000-2004 i-scream |
5 |
tdb |
1.5 |
* |
6 |
tdb |
1.23 |
* This library is free software; you can redistribute it and/or |
7 |
|
|
* modify it under the terms of the GNU Lesser General Public |
8 |
|
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* License as published by the Free Software Foundation; either |
9 |
|
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* version 2.1 of the License, or (at your option) any later version. |
10 |
tdb |
1.5 |
* |
11 |
tdb |
1.23 |
* This library is distributed in the hope that it will be useful, |
12 |
tdb |
1.5 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
tdb |
1.23 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
|
|
* Lesser General Public License for more details. |
15 |
tdb |
1.5 |
* |
16 |
tdb |
1.23 |
* You should have received a copy of the GNU Lesser General Public |
17 |
|
|
* License along with this library; if not, write to the Free Software |
18 |
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
|
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* 02111-1307 USA |
20 |
tdb |
1.24 |
* |
21 |
tdb |
1.52 |
* $Id: tools.c,v 1.51 2004/04/07 21:08:40 tdb Exp $ |
22 |
tdb |
1.5 |
*/ |
23 |
|
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|
24 |
|
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#ifdef HAVE_CONFIG_H |
25 |
|
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#include "config.h" |
26 |
|
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#endif |
27 |
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|
28 |
pajs |
1.1 |
#include <stdio.h> |
29 |
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#include <string.h> |
30 |
pajs |
1.3 |
#include <stdlib.h> |
31 |
ats |
1.18 |
#include <unistd.h> |
32 |
pajs |
1.3 |
#include <sys/types.h> |
33 |
ats |
1.9 |
#ifdef ALLBSD |
34 |
ats |
1.8 |
#include <fcntl.h> |
35 |
tdb |
1.29 |
#endif |
36 |
tdb |
1.34 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
37 |
ats |
1.8 |
#include <kvm.h> |
38 |
tdb |
1.35 |
#include <paths.h> |
39 |
ats |
1.8 |
#endif |
40 |
ats |
1.28 |
#if defined(NETBSD) || defined(OPENBSD) |
41 |
ats |
1.9 |
#include <uvm/uvm_extern.h> |
42 |
ats |
1.28 |
#include <sys/param.h> |
43 |
|
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#include <sys/sysctl.h> |
44 |
ats |
1.9 |
#endif |
45 |
pajs |
1.1 |
|
46 |
ats |
1.7 |
#include "tools.h" |
47 |
tdb |
1.46 |
#include "statgrab.h" |
48 |
ats |
1.7 |
|
49 |
pajs |
1.14 |
#ifdef SOLARIS |
50 |
pajs |
1.27 |
#ifdef HAVE_LIBDEVINFO_H |
51 |
pajs |
1.14 |
#include <libdevinfo.h> |
52 |
pajs |
1.27 |
#endif |
53 |
pajs |
1.14 |
#include <kstat.h> |
54 |
|
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#include <unistd.h> |
55 |
|
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#include <ctype.h> |
56 |
|
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#include <sys/types.h> |
57 |
|
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#include <sys/dkio.h> |
58 |
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#include <sys/stat.h> |
59 |
|
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#include <fcntl.h> |
60 |
|
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#include <sys/fcntl.h> |
61 |
|
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#include <dirent.h> |
62 |
|
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#endif |
63 |
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|
64 |
pajs |
1.26 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
65 |
pajs |
1.14 |
struct map{ |
66 |
|
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char *bsd; |
67 |
|
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char *svr; |
68 |
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|
69 |
|
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struct map *next; |
70 |
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}; |
71 |
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typedef struct map mapping_t; |
72 |
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|
73 |
|
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static mapping_t *mapping = NULL; |
74 |
pajs |
1.26 |
#endif |
75 |
pajs |
1.14 |
|
76 |
pajs |
1.26 |
#ifdef SOLARIS |
77 |
ats |
1.41 |
const char *sg_get_svr_from_bsd(const char *bsd){ |
78 |
pajs |
1.26 |
#ifdef HAVE_LIBDEVINFO_H |
79 |
pajs |
1.14 |
mapping_t *map_ptr; |
80 |
|
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for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next) |
81 |
|
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if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr; |
82 |
pajs |
1.26 |
#endif |
83 |
pajs |
1.14 |
return bsd; |
84 |
|
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} |
85 |
pajs |
1.26 |
#endif |
86 |
pajs |
1.14 |
|
87 |
pajs |
1.26 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
88 |
ats |
1.41 |
static void add_mapping(char *bsd, char *svr){ |
89 |
pajs |
1.14 |
mapping_t *map_ptr; |
90 |
|
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mapping_t *map_end_ptr; |
91 |
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|
92 |
|
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if (mapping == NULL){ |
93 |
ats |
1.48 |
mapping = sg_malloc(sizeof(mapping_t)); |
94 |
pajs |
1.14 |
if (mapping == NULL) return; |
95 |
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map_ptr = mapping; |
96 |
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}else{ |
97 |
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/* See if its already been added */ |
98 |
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for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){ |
99 |
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if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){ |
100 |
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return; |
101 |
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} |
102 |
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map_end_ptr = map_ptr; |
103 |
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} |
104 |
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|
105 |
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/* We've reached end of list and not found the entry.. So we need to malloc |
106 |
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* new mapping_t |
107 |
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*/ |
108 |
ats |
1.48 |
map_end_ptr->next = sg_malloc(sizeof(mapping_t)); |
109 |
pajs |
1.14 |
if (map_end_ptr->next == NULL) return; |
110 |
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map_ptr = map_end_ptr->next; |
111 |
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} |
112 |
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113 |
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map_ptr->next = NULL; |
114 |
ats |
1.47 |
map_ptr->bsd = NULL; |
115 |
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map_ptr->svr = NULL; |
116 |
|
|
if (sg_update_string(&map_ptr->bsd, bsd) < 0 |
117 |
|
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|| sg_update_string(&map_ptr->svr, svr) < 0) { |
118 |
|
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return; |
119 |
|
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} |
120 |
pajs |
1.14 |
|
121 |
|
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return; |
122 |
|
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} |
123 |
|
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|
124 |
ats |
1.41 |
|
125 |
|
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static char *read_dir(char *disk_path){ |
126 |
pajs |
1.14 |
DIR *dirp; |
127 |
tdb |
1.15 |
struct dirent *dp; |
128 |
|
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struct stat stbuf; |
129 |
ats |
1.47 |
char *svr_name = NULL; |
130 |
tdb |
1.15 |
char current_dir[MAXPATHLEN]; |
131 |
|
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char file_name[MAXPATHLEN]; |
132 |
|
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char temp_name[MAXPATHLEN]; |
133 |
|
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char dir_dname[MAXPATHLEN]; |
134 |
pajs |
1.14 |
char *dsk_dir; |
135 |
|
|
int x; |
136 |
|
|
|
137 |
|
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dsk_dir = "/dev/osa/dev/dsk"; |
138 |
tdb |
1.15 |
strncpy(current_dir, dsk_dir, sizeof current_dir); |
139 |
|
|
if ((dirp = opendir(current_dir)) == NULL){ |
140 |
pajs |
1.14 |
dsk_dir = "/dev/dsk"; |
141 |
|
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snprintf(current_dir, sizeof current_dir, "%s", dsk_dir); |
142 |
|
|
if ((dirp = opendir(current_dir)) == NULL){ |
143 |
|
|
return NULL; |
144 |
|
|
} |
145 |
|
|
} |
146 |
|
|
|
147 |
tdb |
1.15 |
while ((dp = readdir(dirp)) != NULL){ |
148 |
pajs |
1.14 |
snprintf(temp_name, sizeof temp_name, "../..%s", disk_path); |
149 |
|
|
snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name); |
150 |
|
|
stat(dir_dname,&stbuf); |
151 |
|
|
|
152 |
|
|
if (S_ISBLK(stbuf.st_mode)){ |
153 |
|
|
x = readlink(dir_dname, file_name, sizeof(file_name)); |
154 |
|
|
file_name[x] = '\0'; |
155 |
|
|
if (strcmp(file_name, temp_name) == 0) { |
156 |
ats |
1.47 |
if (sg_update_string(&svr_name, |
157 |
tdb |
1.49 |
dp->d_name) < 0) { |
158 |
ats |
1.47 |
return NULL; |
159 |
|
|
} |
160 |
pajs |
1.14 |
closedir(dirp); |
161 |
|
|
return svr_name; |
162 |
|
|
} |
163 |
|
|
} |
164 |
|
|
} |
165 |
tdb |
1.16 |
closedir(dirp); |
166 |
pajs |
1.14 |
return NULL; |
167 |
|
|
} |
168 |
|
|
|
169 |
|
|
|
170 |
ats |
1.41 |
static int get_alias(char *alias){ |
171 |
pajs |
1.14 |
char file[MAXPATHLEN]; |
172 |
|
|
di_node_t root_node; |
173 |
|
|
di_node_t node; |
174 |
|
|
di_minor_t minor = DI_MINOR_NIL; |
175 |
|
|
char tmpnode[MAXPATHLEN]; |
176 |
|
|
char *phys_path; |
177 |
|
|
char *minor_name; |
178 |
|
|
char *value; |
179 |
|
|
int instance; |
180 |
|
|
if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) { |
181 |
ats |
1.45 |
return -1; |
182 |
pajs |
1.14 |
} |
183 |
|
|
node = di_drv_first_node(alias, root_node); |
184 |
|
|
while (node != DI_NODE_NIL) { |
185 |
|
|
if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) { |
186 |
|
|
instance = di_instance(node); |
187 |
|
|
phys_path = di_devfs_path(node); |
188 |
|
|
minor_name = di_minor_name(minor); |
189 |
|
|
strcpy(tmpnode, alias); |
190 |
|
|
sprintf(tmpnode, "%s%d", tmpnode, instance); |
191 |
ats |
1.41 |
sg_strlcpy(file, "/devices", sizeof file); |
192 |
|
|
sg_strlcat(file, phys_path, sizeof file); |
193 |
|
|
sg_strlcat(file, ":", sizeof file); |
194 |
|
|
sg_strlcat(file, minor_name, sizeof file); |
195 |
pajs |
1.14 |
value = read_dir(file); |
196 |
|
|
if (value != NULL){ |
197 |
|
|
add_mapping(tmpnode, value); |
198 |
|
|
} |
199 |
|
|
di_devfs_path_free(phys_path); |
200 |
|
|
node = di_drv_next_node(node); |
201 |
|
|
}else{ |
202 |
|
|
node = di_drv_next_node(node); |
203 |
|
|
} |
204 |
tdb |
1.15 |
} |
205 |
pajs |
1.14 |
di_fini(root_node); |
206 |
pajs |
1.17 |
return 0; |
207 |
pajs |
1.14 |
} |
208 |
|
|
|
209 |
pajs |
1.22 |
|
210 |
|
|
#define BIG_ENOUGH 512 |
211 |
ats |
1.41 |
static int build_mapping(){ |
212 |
pajs |
1.22 |
char device_name[BIG_ENOUGH]; |
213 |
pajs |
1.14 |
int x; |
214 |
tdb |
1.15 |
kstat_ctl_t *kc; |
215 |
|
|
kstat_t *ksp; |
216 |
|
|
kstat_io_t kios; |
217 |
pajs |
1.14 |
|
218 |
pajs |
1.22 |
char driver_list[BIG_ENOUGH][BIG_ENOUGH]; |
219 |
|
|
int list_entries = 0; |
220 |
|
|
int found; |
221 |
|
|
|
222 |
pajs |
1.14 |
if ((kc = kstat_open()) == NULL) { |
223 |
ats |
1.45 |
return -1; |
224 |
tdb |
1.15 |
} |
225 |
pajs |
1.14 |
|
226 |
tdb |
1.15 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
227 |
|
|
if (!strcmp(ksp->ks_class, "disk")) { |
228 |
|
|
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
229 |
|
|
/* We dont want metadevices appearing as num_diskio */ |
230 |
|
|
if(strcmp(ksp->ks_module, "md")==0) continue; |
231 |
|
|
if((kstat_read(kc, ksp, &kios))==-1) continue; |
232 |
pajs |
1.14 |
strncpy(device_name, ksp->ks_name, sizeof device_name); |
233 |
|
|
for(x=0;x<(sizeof device_name);x++){ |
234 |
|
|
if( isdigit((int)device_name[x]) ) break; |
235 |
|
|
} |
236 |
|
|
if(x == sizeof device_name) x--; |
237 |
|
|
device_name[x] = '\0'; |
238 |
pajs |
1.22 |
|
239 |
|
|
/* Check if we've not already looked it up */ |
240 |
|
|
found = 0; |
241 |
|
|
for(x=0;x<list_entries;x++){ |
242 |
|
|
if (x>=BIG_ENOUGH){ |
243 |
|
|
/* We've got bigger than we thought was massive */ |
244 |
|
|
/* If we hit this.. Make big enough bigger */ |
245 |
ats |
1.45 |
return -1; |
246 |
pajs |
1.22 |
} |
247 |
|
|
if( !strncmp(driver_list[x], device_name, BIG_ENOUGH)){ |
248 |
|
|
found = 1; |
249 |
|
|
break; |
250 |
|
|
} |
251 |
|
|
} |
252 |
|
|
|
253 |
|
|
if(!found){ |
254 |
|
|
if((get_alias(device_name)) != 0){ |
255 |
ats |
1.45 |
return -1; |
256 |
pajs |
1.22 |
} |
257 |
|
|
strncpy(driver_list[x], device_name, BIG_ENOUGH); |
258 |
|
|
list_entries++; |
259 |
pajs |
1.17 |
} |
260 |
tdb |
1.15 |
} |
261 |
pajs |
1.14 |
} |
262 |
tdb |
1.15 |
|
263 |
pajs |
1.17 |
return 0; |
264 |
pajs |
1.14 |
} |
265 |
|
|
|
266 |
|
|
#endif |
267 |
|
|
|
268 |
tdb |
1.52 |
#if defined(LINUX) || defined(CYGWIN) |
269 |
ats |
1.41 |
char *sg_f_read_line(FILE *f, const char *string){ |
270 |
pajs |
1.1 |
/* Max line length. 8k should be more than enough */ |
271 |
|
|
static char line[8192]; |
272 |
|
|
|
273 |
pajs |
1.2 |
while((fgets(line, sizeof(line), f))!=NULL){ |
274 |
pajs |
1.1 |
if(strncmp(string, line, strlen(string))==0){ |
275 |
|
|
return line; |
276 |
|
|
} |
277 |
|
|
} |
278 |
|
|
|
279 |
tdb |
1.51 |
sg_set_error(SG_ERROR_PARSE, NULL); |
280 |
pajs |
1.1 |
return NULL; |
281 |
pajs |
1.3 |
} |
282 |
|
|
|
283 |
ats |
1.41 |
char *sg_get_string_match(char *line, regmatch_t *match){ |
284 |
pajs |
1.3 |
int len=match->rm_eo - match->rm_so; |
285 |
ats |
1.48 |
char *match_string=sg_malloc(len+1); |
286 |
pajs |
1.3 |
|
287 |
|
|
match_string=strncpy(match_string, line+match->rm_so, len); |
288 |
|
|
match_string[len]='\0'; |
289 |
|
|
|
290 |
|
|
return match_string; |
291 |
|
|
} |
292 |
ats |
1.7 |
|
293 |
tdb |
1.52 |
long long sg_get_ll_match(char *line, regmatch_t *match){ |
294 |
|
|
char *ptr; |
295 |
|
|
long long num; |
296 |
|
|
|
297 |
|
|
ptr=line+match->rm_so; |
298 |
|
|
num=atoll(ptr); |
299 |
|
|
|
300 |
|
|
return num; |
301 |
|
|
} |
302 |
|
|
#endif |
303 |
pajs |
1.14 |
|
304 |
ats |
1.13 |
#ifndef HAVE_ATOLL |
305 |
|
|
static long long atoll(const char *s) { |
306 |
|
|
long long value = 0; |
307 |
|
|
int isneg = 0; |
308 |
|
|
|
309 |
|
|
while (*s == ' ' || *s == '\t') { |
310 |
|
|
s++; |
311 |
|
|
} |
312 |
|
|
if (*s == '-') { |
313 |
|
|
isneg = 1; |
314 |
|
|
s++; |
315 |
|
|
} |
316 |
|
|
while (*s >= '0' && *s <= '9') { |
317 |
|
|
value = (10 * value) + (*s - '0'); |
318 |
|
|
s++; |
319 |
|
|
} |
320 |
|
|
return (isneg ? -value : value); |
321 |
|
|
} |
322 |
|
|
#endif |
323 |
|
|
|
324 |
ats |
1.21 |
/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */ |
325 |
pajs |
1.19 |
|
326 |
|
|
/* |
327 |
|
|
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
328 |
|
|
* |
329 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
330 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
331 |
|
|
* copyright notice and this permission notice appear in all copies. |
332 |
|
|
* |
333 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
334 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
335 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
336 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
337 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
338 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
339 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
340 |
|
|
*/ |
341 |
|
|
|
342 |
|
|
/* |
343 |
|
|
* Copy src to string dst of size siz. At most siz-1 characters |
344 |
|
|
* will be copied. Always NUL terminates (unless siz == 0). |
345 |
|
|
* Returns strlen(src); if retval >= siz, truncation occurred. |
346 |
|
|
*/ |
347 |
ats |
1.41 |
size_t sg_strlcpy(char *dst, const char *src, size_t siz){ |
348 |
tdb |
1.49 |
register char *d = dst; |
349 |
|
|
register const char *s = src; |
350 |
|
|
register size_t n = siz; |
351 |
|
|
|
352 |
|
|
/* Copy as many bytes as will fit */ |
353 |
|
|
if (n != 0 && --n != 0) { |
354 |
|
|
do { |
355 |
|
|
if ((*d++ = *s++) == 0) |
356 |
|
|
break; |
357 |
|
|
} while (--n != 0); |
358 |
|
|
} |
359 |
|
|
|
360 |
|
|
/* Not enough room in dst, add NUL and traverse rest of src */ |
361 |
|
|
if (n == 0) { |
362 |
|
|
if (siz != 0) |
363 |
|
|
*d = '\0'; /* NUL-terminate dst */ |
364 |
|
|
while (*s++) |
365 |
|
|
; |
366 |
|
|
} |
367 |
pajs |
1.19 |
|
368 |
tdb |
1.49 |
return(s - src - 1); /* count does not include NUL */ |
369 |
pajs |
1.19 |
} |
370 |
|
|
|
371 |
|
|
/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */ |
372 |
|
|
|
373 |
|
|
/* |
374 |
|
|
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
375 |
|
|
* |
376 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
377 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
378 |
|
|
* copyright notice and this permission notice appear in all copies. |
379 |
|
|
* |
380 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
381 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
382 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
383 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
384 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
385 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
386 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
387 |
|
|
*/ |
388 |
|
|
|
389 |
|
|
/* |
390 |
|
|
* Appends src to string dst of size siz (unlike strncat, siz is the |
391 |
|
|
* full size of dst, not space left). At most siz-1 characters |
392 |
|
|
* will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
393 |
|
|
* Returns strlen(src) + MIN(siz, strlen(initial dst)). |
394 |
|
|
* If retval >= siz, truncation occurred. |
395 |
|
|
*/ |
396 |
ats |
1.41 |
size_t sg_strlcat(char *dst, const char *src, size_t siz){ |
397 |
tdb |
1.49 |
register char *d = dst; |
398 |
|
|
register const char *s = src; |
399 |
|
|
register size_t n = siz; |
400 |
|
|
size_t dlen; |
401 |
|
|
|
402 |
|
|
/* Find the end of dst and adjust bytes left but don't go past end */ |
403 |
|
|
while (n-- != 0 && *d != '\0') |
404 |
|
|
d++; |
405 |
|
|
dlen = d - dst; |
406 |
|
|
n = siz - dlen; |
407 |
|
|
|
408 |
|
|
if (n == 0) |
409 |
|
|
return(dlen + strlen(s)); |
410 |
|
|
while (*s != '\0') { |
411 |
|
|
if (n != 1) { |
412 |
|
|
*d++ = *s; |
413 |
|
|
n--; |
414 |
|
|
} |
415 |
|
|
s++; |
416 |
|
|
} |
417 |
|
|
*d = '\0'; |
418 |
pajs |
1.19 |
|
419 |
tdb |
1.49 |
return(dlen + (s - src)); /* count does not include NUL */ |
420 |
pajs |
1.19 |
} |
421 |
|
|
|
422 |
ats |
1.42 |
int sg_update_string(char **dest, const char *src) { |
423 |
ats |
1.37 |
char *new; |
424 |
|
|
|
425 |
ats |
1.42 |
if (src == NULL) { |
426 |
|
|
/* We're being told to set it to NULL. */ |
427 |
|
|
free(*dest); |
428 |
|
|
*dest = NULL; |
429 |
|
|
return 0; |
430 |
|
|
} |
431 |
|
|
|
432 |
ats |
1.48 |
new = sg_realloc(*dest, strlen(src) + 1); |
433 |
ats |
1.37 |
if (new == NULL) { |
434 |
ats |
1.42 |
return -1; |
435 |
ats |
1.37 |
} |
436 |
|
|
|
437 |
|
|
strcpy(new, src); |
438 |
|
|
*dest = new; |
439 |
ats |
1.42 |
return 0; |
440 |
ats |
1.8 |
} |
441 |
|
|
|
442 |
tdb |
1.34 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
443 |
ats |
1.41 |
kvm_t *sg_get_kvm() { |
444 |
ats |
1.8 |
static kvm_t *kvmd = NULL; |
445 |
|
|
|
446 |
|
|
if (kvmd != NULL) { |
447 |
|
|
return kvmd; |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL); |
451 |
tdb |
1.51 |
if(kvmd == NULL) { |
452 |
|
|
sg_set_error(SG_ERROR_KVM_OPENFILES, NULL); |
453 |
|
|
} |
454 |
ats |
1.8 |
return kvmd; |
455 |
pajs |
1.1 |
} |
456 |
tdb |
1.34 |
|
457 |
|
|
/* Can't think of a better name for this function */ |
458 |
ats |
1.41 |
kvm_t *sg_get_kvm2() { |
459 |
tdb |
1.34 |
static kvm_t *kvmd2 = NULL; |
460 |
|
|
|
461 |
|
|
if (kvmd2 != NULL) { |
462 |
|
|
return kvmd2; |
463 |
|
|
} |
464 |
|
|
|
465 |
|
|
kvmd2 = kvm_openfiles(_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL); |
466 |
tdb |
1.51 |
if(kvmd2 == NULL) { |
467 |
|
|
sg_set_error(SG_ERROR_KVM_OPENFILES, NULL); |
468 |
|
|
} |
469 |
tdb |
1.34 |
return kvmd2; |
470 |
|
|
} |
471 |
pajs |
1.4 |
#endif |
472 |
ats |
1.9 |
|
473 |
ats |
1.28 |
#if defined(NETBSD) || defined(OPENBSD) |
474 |
ats |
1.41 |
struct uvmexp *sg_get_uvmexp() { |
475 |
ats |
1.28 |
int mib[2]; |
476 |
ats |
1.44 |
size_t size = sizeof(struct uvmexp); |
477 |
|
|
static struct uvmexp uvm; |
478 |
ats |
1.36 |
struct uvmexp *new; |
479 |
ats |
1.9 |
|
480 |
ats |
1.28 |
mib[0] = CTL_VM; |
481 |
|
|
mib[1] = VM_UVMEXP; |
482 |
|
|
|
483 |
ats |
1.44 |
if (sysctl(mib, 2, &uvm, &size, NULL, 0) < 0) { |
484 |
tdb |
1.51 |
sg_set_error(SG_ERROR_SYSCTL, "CTL_VM.VM_UVMEXP"); |
485 |
ats |
1.9 |
return NULL; |
486 |
|
|
} |
487 |
|
|
|
488 |
ats |
1.44 |
return &uvm; |
489 |
ats |
1.9 |
} |
490 |
|
|
#endif |
491 |
|
|
|
492 |
ats |
1.41 |
int sg_init(){ |
493 |
tdb |
1.33 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
494 |
ats |
1.41 |
if (sg_get_kvm() == NULL) { |
495 |
ats |
1.45 |
return -1; |
496 |
ats |
1.41 |
} |
497 |
|
|
if (sg_get_kvm2() == NULL) { |
498 |
ats |
1.45 |
return -1; |
499 |
ats |
1.32 |
} |
500 |
pajs |
1.14 |
#endif |
501 |
|
|
#ifdef SOLARIS |
502 |
pajs |
1.20 |
/* On solaris 7, this will fail if you are not root. But, everything |
503 |
|
|
* will still work, just no disk mappings. So we will ignore the exit |
504 |
|
|
* status of this, and carry on merrily. |
505 |
|
|
*/ |
506 |
pajs |
1.26 |
#ifdef HAVE_LIBDEVINFO_H |
507 |
pajs |
1.20 |
build_mapping(); |
508 |
pajs |
1.25 |
#endif |
509 |
pajs |
1.10 |
#endif |
510 |
|
|
return 0; |
511 |
|
|
} |
512 |
ats |
1.18 |
|
513 |
ats |
1.41 |
int sg_drop_privileges() { |
514 |
tdb |
1.51 |
if (setegid(getgid()) != 0) { |
515 |
|
|
sg_set_error(SG_ERROR_SETEGID, NULL); |
516 |
|
|
return -1; |
517 |
|
|
} |
518 |
|
|
if (seteuid(getuid()) != 0) { |
519 |
|
|
sg_set_error(SG_ERROR_SETEUID, NULL); |
520 |
|
|
return -1; |
521 |
|
|
} |
522 |
ats |
1.18 |
return 0; |
523 |
tdb |
1.46 |
} |
524 |
|
|
|
525 |
|
|
void *sg_realloc(void *ptr, size_t size) { |
526 |
|
|
void *tmp = NULL; |
527 |
|
|
tmp = realloc(ptr, size); |
528 |
|
|
if(tmp == NULL) { |
529 |
pajs |
1.50 |
sg_set_error(SG_ERROR_MALLOC, NULL); |
530 |
tdb |
1.46 |
} |
531 |
|
|
return tmp; |
532 |
ats |
1.18 |
} |
533 |
|
|
|