1 |
< |
/* |
2 |
< |
* i-scream central monitoring system |
3 |
< |
* http://www.i-scream.org.uk |
4 |
< |
* Copyright (C) 2000-2002 i-scream |
1 |
> |
/* |
2 |
> |
* i-scream libstatgrab |
3 |
> |
* http://www.i-scream.org |
4 |
> |
* Copyright (C) 2000-2004 i-scream |
5 |
|
* |
6 |
< |
* This program is free software; you can redistribute it and/or |
7 |
< |
* modify it under the terms of the GNU General Public License |
8 |
< |
* as published by the Free Software Foundation; either version 2 |
9 |
< |
* of the License, or (at your option) any later version. |
6 |
> |
* This library is free software; you can redistribute it and/or |
7 |
> |
* modify it under the terms of the GNU Lesser General Public |
8 |
> |
* License as published by the Free Software Foundation; either |
9 |
> |
* version 2.1 of the License, or (at your option) any later version. |
10 |
|
* |
11 |
< |
* This program is distributed in the hope that it will be useful, |
11 |
> |
* This library is distributed in the hope that it will be useful, |
12 |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
< |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
< |
* GNU General Public License for more details. |
13 |
> |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
> |
* Lesser General Public License for more details. |
15 |
|
* |
16 |
< |
* You should have received a copy of the GNU General Public License |
17 |
< |
* along with this program; if not, write to the Free Software |
18 |
< |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
16 |
> |
* 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 |
> |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
> |
* 02111-1307 USA |
20 |
> |
* |
21 |
> |
* $Id$ |
22 |
|
*/ |
23 |
|
|
24 |
|
#ifdef HAVE_CONFIG_H |
28 |
|
#include <stdio.h> |
29 |
|
#include <string.h> |
30 |
|
#include <stdlib.h> |
31 |
+ |
#include <unistd.h> |
32 |
|
#include <sys/types.h> |
33 |
|
#include <regex.h> |
34 |
+ |
#ifdef ALLBSD |
35 |
+ |
#include <fcntl.h> |
36 |
+ |
#endif |
37 |
+ |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
38 |
+ |
#include <kvm.h> |
39 |
+ |
#include <paths.h> |
40 |
+ |
#endif |
41 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
42 |
+ |
#include <uvm/uvm_extern.h> |
43 |
+ |
#include <sys/param.h> |
44 |
+ |
#include <sys/sysctl.h> |
45 |
+ |
#endif |
46 |
|
|
47 |
< |
char *f_read_line(FILE *f, const char *string){ |
47 |
> |
#include "tools.h" |
48 |
> |
#include "statgrab.h" |
49 |
> |
|
50 |
> |
#ifdef SOLARIS |
51 |
> |
#ifdef HAVE_LIBDEVINFO_H |
52 |
> |
#include <libdevinfo.h> |
53 |
> |
#endif |
54 |
> |
#include <kstat.h> |
55 |
> |
#include <unistd.h> |
56 |
> |
#include <ctype.h> |
57 |
> |
#include <sys/types.h> |
58 |
> |
#include <sys/dkio.h> |
59 |
> |
#include <sys/stat.h> |
60 |
> |
#include <fcntl.h> |
61 |
> |
#include <sys/fcntl.h> |
62 |
> |
#include <dirent.h> |
63 |
> |
#endif |
64 |
> |
|
65 |
> |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
66 |
> |
struct map{ |
67 |
> |
char *bsd; |
68 |
> |
char *svr; |
69 |
> |
|
70 |
> |
struct map *next; |
71 |
> |
}; |
72 |
> |
typedef struct map mapping_t; |
73 |
> |
|
74 |
> |
static mapping_t *mapping = NULL; |
75 |
> |
#endif |
76 |
> |
|
77 |
> |
#ifdef SOLARIS |
78 |
> |
const char *sg_get_svr_from_bsd(const char *bsd){ |
79 |
> |
#ifdef HAVE_LIBDEVINFO_H |
80 |
> |
mapping_t *map_ptr; |
81 |
> |
for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next) |
82 |
> |
if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr; |
83 |
> |
#endif |
84 |
> |
return bsd; |
85 |
> |
} |
86 |
> |
#endif |
87 |
> |
|
88 |
> |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
89 |
> |
static void add_mapping(char *bsd, char *svr){ |
90 |
> |
mapping_t *map_ptr; |
91 |
> |
mapping_t *map_end_ptr; |
92 |
> |
|
93 |
> |
if (mapping == NULL){ |
94 |
> |
mapping = sg_malloc(sizeof(mapping_t)); |
95 |
> |
if (mapping == NULL) return; |
96 |
> |
map_ptr = mapping; |
97 |
> |
}else{ |
98 |
> |
/* See if its already been added */ |
99 |
> |
for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){ |
100 |
> |
if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){ |
101 |
> |
return; |
102 |
> |
} |
103 |
> |
map_end_ptr = map_ptr; |
104 |
> |
} |
105 |
> |
|
106 |
> |
/* We've reached end of list and not found the entry.. So we need to malloc |
107 |
> |
* new mapping_t |
108 |
> |
*/ |
109 |
> |
map_end_ptr->next = sg_malloc(sizeof(mapping_t)); |
110 |
> |
if (map_end_ptr->next == NULL) return; |
111 |
> |
map_ptr = map_end_ptr->next; |
112 |
> |
} |
113 |
> |
|
114 |
> |
map_ptr->next = NULL; |
115 |
> |
map_ptr->bsd = NULL; |
116 |
> |
map_ptr->svr = NULL; |
117 |
> |
if (sg_update_string(&map_ptr->bsd, bsd) < 0 |
118 |
> |
|| sg_update_string(&map_ptr->svr, svr) < 0) { |
119 |
> |
return; |
120 |
> |
} |
121 |
> |
|
122 |
> |
return; |
123 |
> |
} |
124 |
> |
|
125 |
> |
|
126 |
> |
static char *read_dir(char *disk_path){ |
127 |
> |
DIR *dirp; |
128 |
> |
struct dirent *dp; |
129 |
> |
struct stat stbuf; |
130 |
> |
char *svr_name = NULL; |
131 |
> |
char current_dir[MAXPATHLEN]; |
132 |
> |
char file_name[MAXPATHLEN]; |
133 |
> |
char temp_name[MAXPATHLEN]; |
134 |
> |
char dir_dname[MAXPATHLEN]; |
135 |
> |
char *dsk_dir; |
136 |
> |
int x; |
137 |
> |
|
138 |
> |
dsk_dir = "/dev/osa/dev/dsk"; |
139 |
> |
strncpy(current_dir, dsk_dir, sizeof current_dir); |
140 |
> |
if ((dirp = opendir(current_dir)) == NULL){ |
141 |
> |
dsk_dir = "/dev/dsk"; |
142 |
> |
snprintf(current_dir, sizeof current_dir, "%s", dsk_dir); |
143 |
> |
if ((dirp = opendir(current_dir)) == NULL){ |
144 |
> |
return NULL; |
145 |
> |
} |
146 |
> |
} |
147 |
> |
|
148 |
> |
while ((dp = readdir(dirp)) != NULL){ |
149 |
> |
snprintf(temp_name, sizeof temp_name, "../..%s", disk_path); |
150 |
> |
snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name); |
151 |
> |
stat(dir_dname,&stbuf); |
152 |
> |
|
153 |
> |
if (S_ISBLK(stbuf.st_mode)){ |
154 |
> |
x = readlink(dir_dname, file_name, sizeof(file_name)); |
155 |
> |
file_name[x] = '\0'; |
156 |
> |
if (strcmp(file_name, temp_name) == 0) { |
157 |
> |
if (sg_update_string(&svr_name, |
158 |
> |
dp->d_name) < 0) { |
159 |
> |
return NULL; |
160 |
> |
} |
161 |
> |
closedir(dirp); |
162 |
> |
return svr_name; |
163 |
> |
} |
164 |
> |
} |
165 |
> |
} |
166 |
> |
closedir(dirp); |
167 |
> |
return NULL; |
168 |
> |
} |
169 |
> |
|
170 |
> |
|
171 |
> |
static int get_alias(char *alias){ |
172 |
> |
char file[MAXPATHLEN]; |
173 |
> |
di_node_t root_node; |
174 |
> |
di_node_t node; |
175 |
> |
di_minor_t minor = DI_MINOR_NIL; |
176 |
> |
char tmpnode[MAXPATHLEN]; |
177 |
> |
char *phys_path; |
178 |
> |
char *minor_name; |
179 |
> |
char *value; |
180 |
> |
int instance; |
181 |
> |
if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) { |
182 |
> |
return -1; |
183 |
> |
} |
184 |
> |
node = di_drv_first_node(alias, root_node); |
185 |
> |
while (node != DI_NODE_NIL) { |
186 |
> |
if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) { |
187 |
> |
instance = di_instance(node); |
188 |
> |
phys_path = di_devfs_path(node); |
189 |
> |
minor_name = di_minor_name(minor); |
190 |
> |
strcpy(tmpnode, alias); |
191 |
> |
sprintf(tmpnode, "%s%d", tmpnode, instance); |
192 |
> |
sg_strlcpy(file, "/devices", sizeof file); |
193 |
> |
sg_strlcat(file, phys_path, sizeof file); |
194 |
> |
sg_strlcat(file, ":", sizeof file); |
195 |
> |
sg_strlcat(file, minor_name, sizeof file); |
196 |
> |
value = read_dir(file); |
197 |
> |
if (value != NULL){ |
198 |
> |
add_mapping(tmpnode, value); |
199 |
> |
} |
200 |
> |
di_devfs_path_free(phys_path); |
201 |
> |
node = di_drv_next_node(node); |
202 |
> |
}else{ |
203 |
> |
node = di_drv_next_node(node); |
204 |
> |
} |
205 |
> |
} |
206 |
> |
di_fini(root_node); |
207 |
> |
return 0; |
208 |
> |
} |
209 |
> |
|
210 |
> |
|
211 |
> |
#define BIG_ENOUGH 512 |
212 |
> |
static int build_mapping(){ |
213 |
> |
char device_name[BIG_ENOUGH]; |
214 |
> |
int x; |
215 |
> |
kstat_ctl_t *kc; |
216 |
> |
kstat_t *ksp; |
217 |
> |
kstat_io_t kios; |
218 |
> |
|
219 |
> |
char driver_list[BIG_ENOUGH][BIG_ENOUGH]; |
220 |
> |
int list_entries = 0; |
221 |
> |
int found; |
222 |
> |
|
223 |
> |
if ((kc = kstat_open()) == NULL) { |
224 |
> |
return -1; |
225 |
> |
} |
226 |
> |
|
227 |
> |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
228 |
> |
if (!strcmp(ksp->ks_class, "disk")) { |
229 |
> |
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
230 |
> |
/* We dont want metadevices appearing as num_diskio */ |
231 |
> |
if(strcmp(ksp->ks_module, "md")==0) continue; |
232 |
> |
if((kstat_read(kc, ksp, &kios))==-1) continue; |
233 |
> |
strncpy(device_name, ksp->ks_name, sizeof device_name); |
234 |
> |
for(x=0;x<(sizeof device_name);x++){ |
235 |
> |
if( isdigit((int)device_name[x]) ) break; |
236 |
> |
} |
237 |
> |
if(x == sizeof device_name) x--; |
238 |
> |
device_name[x] = '\0'; |
239 |
> |
|
240 |
> |
/* Check if we've not already looked it up */ |
241 |
> |
found = 0; |
242 |
> |
for(x=0;x<list_entries;x++){ |
243 |
> |
if (x>=BIG_ENOUGH){ |
244 |
> |
/* We've got bigger than we thought was massive */ |
245 |
> |
/* If we hit this.. Make big enough bigger */ |
246 |
> |
return -1; |
247 |
> |
} |
248 |
> |
if( !strncmp(driver_list[x], device_name, BIG_ENOUGH)){ |
249 |
> |
found = 1; |
250 |
> |
break; |
251 |
> |
} |
252 |
> |
} |
253 |
> |
|
254 |
> |
if(!found){ |
255 |
> |
if((get_alias(device_name)) != 0){ |
256 |
> |
return -1; |
257 |
> |
} |
258 |
> |
strncpy(driver_list[x], device_name, BIG_ENOUGH); |
259 |
> |
list_entries++; |
260 |
> |
} |
261 |
> |
} |
262 |
> |
} |
263 |
> |
|
264 |
> |
return 0; |
265 |
> |
} |
266 |
> |
|
267 |
> |
#endif |
268 |
> |
|
269 |
> |
|
270 |
> |
|
271 |
> |
char *sg_f_read_line(FILE *f, const char *string){ |
272 |
|
/* Max line length. 8k should be more than enough */ |
273 |
|
static char line[8192]; |
274 |
|
|
281 |
|
return NULL; |
282 |
|
} |
283 |
|
|
284 |
< |
char *get_string_match(char *line, regmatch_t *match){ |
284 |
> |
char *sg_get_string_match(char *line, regmatch_t *match){ |
285 |
|
int len=match->rm_eo - match->rm_so; |
286 |
< |
char *match_string=malloc(len+1); |
286 |
> |
char *match_string=sg_malloc(len+1); |
287 |
|
|
288 |
|
match_string=strncpy(match_string, line+match->rm_so, len); |
289 |
|
match_string[len]='\0'; |
290 |
|
|
291 |
|
return match_string; |
292 |
|
} |
293 |
< |
#ifdef HAVE_ATOLL |
294 |
< |
long long get_ll_match(char *line, regmatch_t *match){ |
293 |
> |
|
294 |
> |
|
295 |
> |
|
296 |
> |
#ifndef HAVE_ATOLL |
297 |
> |
static long long atoll(const char *s) { |
298 |
> |
long long value = 0; |
299 |
> |
int isneg = 0; |
300 |
> |
|
301 |
> |
while (*s == ' ' || *s == '\t') { |
302 |
> |
s++; |
303 |
> |
} |
304 |
> |
if (*s == '-') { |
305 |
> |
isneg = 1; |
306 |
> |
s++; |
307 |
> |
} |
308 |
> |
while (*s >= '0' && *s <= '9') { |
309 |
> |
value = (10 * value) + (*s - '0'); |
310 |
> |
s++; |
311 |
> |
} |
312 |
> |
return (isneg ? -value : value); |
313 |
> |
} |
314 |
> |
#endif |
315 |
> |
|
316 |
> |
/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */ |
317 |
> |
|
318 |
> |
/* |
319 |
> |
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
320 |
> |
* |
321 |
> |
* Permission to use, copy, modify, and distribute this software for any |
322 |
> |
* purpose with or without fee is hereby granted, provided that the above |
323 |
> |
* copyright notice and this permission notice appear in all copies. |
324 |
> |
* |
325 |
> |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
326 |
> |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
327 |
> |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
328 |
> |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
329 |
> |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
330 |
> |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
331 |
> |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
332 |
> |
*/ |
333 |
> |
|
334 |
> |
/* |
335 |
> |
* Copy src to string dst of size siz. At most siz-1 characters |
336 |
> |
* will be copied. Always NUL terminates (unless siz == 0). |
337 |
> |
* Returns strlen(src); if retval >= siz, truncation occurred. |
338 |
> |
*/ |
339 |
> |
size_t sg_strlcpy(char *dst, const char *src, size_t siz){ |
340 |
> |
register char *d = dst; |
341 |
> |
register const char *s = src; |
342 |
> |
register size_t n = siz; |
343 |
> |
|
344 |
> |
/* Copy as many bytes as will fit */ |
345 |
> |
if (n != 0 && --n != 0) { |
346 |
> |
do { |
347 |
> |
if ((*d++ = *s++) == 0) |
348 |
> |
break; |
349 |
> |
} while (--n != 0); |
350 |
> |
} |
351 |
> |
|
352 |
> |
/* Not enough room in dst, add NUL and traverse rest of src */ |
353 |
> |
if (n == 0) { |
354 |
> |
if (siz != 0) |
355 |
> |
*d = '\0'; /* NUL-terminate dst */ |
356 |
> |
while (*s++) |
357 |
> |
; |
358 |
> |
} |
359 |
> |
|
360 |
> |
return(s - src - 1); /* count does not include NUL */ |
361 |
> |
} |
362 |
> |
|
363 |
> |
/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */ |
364 |
> |
|
365 |
> |
/* |
366 |
> |
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
367 |
> |
* |
368 |
> |
* Permission to use, copy, modify, and distribute this software for any |
369 |
> |
* purpose with or without fee is hereby granted, provided that the above |
370 |
> |
* copyright notice and this permission notice appear in all copies. |
371 |
> |
* |
372 |
> |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
373 |
> |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
374 |
> |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
375 |
> |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
376 |
> |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
377 |
> |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
378 |
> |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
379 |
> |
*/ |
380 |
> |
|
381 |
> |
/* |
382 |
> |
* Appends src to string dst of size siz (unlike strncat, siz is the |
383 |
> |
* full size of dst, not space left). At most siz-1 characters |
384 |
> |
* will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
385 |
> |
* Returns strlen(src) + MIN(siz, strlen(initial dst)). |
386 |
> |
* If retval >= siz, truncation occurred. |
387 |
> |
*/ |
388 |
> |
size_t sg_strlcat(char *dst, const char *src, size_t siz){ |
389 |
> |
register char *d = dst; |
390 |
> |
register const char *s = src; |
391 |
> |
register size_t n = siz; |
392 |
> |
size_t dlen; |
393 |
> |
|
394 |
> |
/* Find the end of dst and adjust bytes left but don't go past end */ |
395 |
> |
while (n-- != 0 && *d != '\0') |
396 |
> |
d++; |
397 |
> |
dlen = d - dst; |
398 |
> |
n = siz - dlen; |
399 |
> |
|
400 |
> |
if (n == 0) |
401 |
> |
return(dlen + strlen(s)); |
402 |
> |
while (*s != '\0') { |
403 |
> |
if (n != 1) { |
404 |
> |
*d++ = *s; |
405 |
> |
n--; |
406 |
> |
} |
407 |
> |
s++; |
408 |
> |
} |
409 |
> |
*d = '\0'; |
410 |
> |
|
411 |
> |
return(dlen + (s - src)); /* count does not include NUL */ |
412 |
> |
} |
413 |
> |
|
414 |
> |
int sg_update_string(char **dest, const char *src) { |
415 |
> |
char *new; |
416 |
> |
|
417 |
> |
if (src == NULL) { |
418 |
> |
/* We're being told to set it to NULL. */ |
419 |
> |
free(*dest); |
420 |
> |
*dest = NULL; |
421 |
> |
return 0; |
422 |
> |
} |
423 |
> |
|
424 |
> |
new = sg_realloc(*dest, strlen(src) + 1); |
425 |
> |
if (new == NULL) { |
426 |
> |
return -1; |
427 |
> |
} |
428 |
> |
|
429 |
> |
strcpy(new, src); |
430 |
> |
*dest = new; |
431 |
> |
return 0; |
432 |
> |
} |
433 |
> |
|
434 |
> |
long long sg_get_ll_match(char *line, regmatch_t *match){ |
435 |
|
char *ptr; |
436 |
|
long long num; |
437 |
|
|
440 |
|
|
441 |
|
return num; |
442 |
|
} |
443 |
+ |
|
444 |
+ |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
445 |
+ |
kvm_t *sg_get_kvm() { |
446 |
+ |
static kvm_t *kvmd = NULL; |
447 |
+ |
|
448 |
+ |
if (kvmd != NULL) { |
449 |
+ |
return kvmd; |
450 |
+ |
} |
451 |
+ |
|
452 |
+ |
kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL); |
453 |
+ |
return kvmd; |
454 |
+ |
} |
455 |
+ |
|
456 |
+ |
/* Can't think of a better name for this function */ |
457 |
+ |
kvm_t *sg_get_kvm2() { |
458 |
+ |
static kvm_t *kvmd2 = NULL; |
459 |
+ |
|
460 |
+ |
if (kvmd2 != NULL) { |
461 |
+ |
return kvmd2; |
462 |
+ |
} |
463 |
+ |
|
464 |
+ |
kvmd2 = kvm_openfiles(_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL); |
465 |
+ |
return kvmd2; |
466 |
+ |
} |
467 |
|
#endif |
468 |
+ |
|
469 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
470 |
+ |
struct uvmexp *sg_get_uvmexp() { |
471 |
+ |
int mib[2]; |
472 |
+ |
size_t size = sizeof(struct uvmexp); |
473 |
+ |
static struct uvmexp uvm; |
474 |
+ |
struct uvmexp *new; |
475 |
+ |
|
476 |
+ |
mib[0] = CTL_VM; |
477 |
+ |
mib[1] = VM_UVMEXP; |
478 |
+ |
|
479 |
+ |
if (sysctl(mib, 2, &uvm, &size, NULL, 0) < 0) { |
480 |
+ |
return NULL; |
481 |
+ |
} |
482 |
+ |
|
483 |
+ |
return &uvm; |
484 |
+ |
} |
485 |
+ |
#endif |
486 |
+ |
|
487 |
+ |
int sg_init(){ |
488 |
+ |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
489 |
+ |
if (sg_get_kvm() == NULL) { |
490 |
+ |
return -1; |
491 |
+ |
} |
492 |
+ |
if (sg_get_kvm2() == NULL) { |
493 |
+ |
return -1; |
494 |
+ |
} |
495 |
+ |
#endif |
496 |
+ |
#ifdef SOLARIS |
497 |
+ |
/* On solaris 7, this will fail if you are not root. But, everything |
498 |
+ |
* will still work, just no disk mappings. So we will ignore the exit |
499 |
+ |
* status of this, and carry on merrily. |
500 |
+ |
*/ |
501 |
+ |
#ifdef HAVE_LIBDEVINFO_H |
502 |
+ |
build_mapping(); |
503 |
+ |
#endif |
504 |
+ |
#endif |
505 |
+ |
return 0; |
506 |
+ |
} |
507 |
+ |
|
508 |
+ |
int sg_drop_privileges() { |
509 |
+ |
if (setegid(getgid()) != 0) return -1; |
510 |
+ |
if (seteuid(getuid()) != 0) return -1; |
511 |
+ |
return 0; |
512 |
+ |
} |
513 |
+ |
|
514 |
+ |
void *sg_realloc(void *ptr, size_t size) { |
515 |
+ |
void *tmp = NULL; |
516 |
+ |
tmp = realloc(ptr, size); |
517 |
+ |
if(tmp == NULL) { |
518 |
+ |
sg_set_error(SG_ERROR_MALLOC_FAILED, NULL); |
519 |
+ |
} |
520 |
+ |
return tmp; |
521 |
+ |
} |
522 |
+ |
|