1 |
tdb |
1.23 |
/* |
2 |
tdb |
1.5 |
* i-scream central monitoring system |
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 |
|
|
* License as published by the Free Software Foundation; either |
9 |
|
|
* 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 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
|
|
* 02111-1307 USA |
20 |
tdb |
1.24 |
* |
21 |
tdb |
1.33 |
* $Id: tools.c,v 1.32 2004/03/17 11:58:18 ats Exp $ |
22 |
tdb |
1.5 |
*/ |
23 |
|
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|
24 |
|
|
#ifdef HAVE_CONFIG_H |
25 |
|
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#include "config.h" |
26 |
|
|
#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 |
|
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#include <regex.h> |
34 |
ats |
1.9 |
#ifdef ALLBSD |
35 |
ats |
1.8 |
#include <fcntl.h> |
36 |
tdb |
1.29 |
#endif |
37 |
tdb |
1.31 |
#if defined(FREEBSD) || defined(DFBSD) |
38 |
ats |
1.8 |
#include <kvm.h> |
39 |
|
|
#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 |
|
|
#include <sys/sysctl.h> |
44 |
ats |
1.9 |
#endif |
45 |
pajs |
1.1 |
|
46 |
ats |
1.7 |
#include "tools.h" |
47 |
|
|
|
48 |
pajs |
1.14 |
#ifdef SOLARIS |
49 |
pajs |
1.27 |
#ifdef HAVE_LIBDEVINFO_H |
50 |
pajs |
1.14 |
#include <libdevinfo.h> |
51 |
pajs |
1.27 |
#endif |
52 |
pajs |
1.14 |
#include <kstat.h> |
53 |
|
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#include <unistd.h> |
54 |
|
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#include <ctype.h> |
55 |
|
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#include <sys/types.h> |
56 |
|
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#include <sys/dkio.h> |
57 |
|
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#include <sys/stat.h> |
58 |
|
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#include <fcntl.h> |
59 |
|
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#include <sys/fcntl.h> |
60 |
|
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#include <dirent.h> |
61 |
|
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#endif |
62 |
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|
63 |
pajs |
1.26 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
64 |
pajs |
1.14 |
struct map{ |
65 |
|
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char *bsd; |
66 |
|
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char *svr; |
67 |
|
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|
68 |
|
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struct map *next; |
69 |
|
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}; |
70 |
|
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typedef struct map mapping_t; |
71 |
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|
72 |
|
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static mapping_t *mapping = NULL; |
73 |
pajs |
1.26 |
#endif |
74 |
pajs |
1.14 |
|
75 |
pajs |
1.26 |
#ifdef SOLARIS |
76 |
pajs |
1.14 |
char *get_svr_from_bsd(char *bsd){ |
77 |
pajs |
1.26 |
#ifdef HAVE_LIBDEVINFO_H |
78 |
pajs |
1.14 |
mapping_t *map_ptr; |
79 |
|
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for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next) |
80 |
|
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if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr; |
81 |
pajs |
1.26 |
#endif |
82 |
pajs |
1.14 |
return bsd; |
83 |
|
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} |
84 |
pajs |
1.26 |
#endif |
85 |
pajs |
1.14 |
|
86 |
pajs |
1.26 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
87 |
pajs |
1.14 |
void add_mapping(char *bsd, char *svr){ |
88 |
|
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mapping_t *map_ptr; |
89 |
|
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mapping_t *map_end_ptr; |
90 |
|
|
|
91 |
|
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bsd = strdup(bsd); |
92 |
|
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svr = strdup(svr); |
93 |
|
|
|
94 |
|
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if (mapping == NULL){ |
95 |
|
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mapping = malloc(sizeof(mapping_t)); |
96 |
|
|
if (mapping == NULL) return; |
97 |
|
|
map_ptr = mapping; |
98 |
|
|
}else{ |
99 |
|
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/* See if its already been added */ |
100 |
|
|
for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){ |
101 |
|
|
if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){ |
102 |
|
|
return; |
103 |
|
|
} |
104 |
|
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map_end_ptr = map_ptr; |
105 |
|
|
} |
106 |
|
|
|
107 |
|
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/* We've reached end of list and not found the entry.. So we need to malloc |
108 |
|
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* new mapping_t |
109 |
|
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*/ |
110 |
|
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map_end_ptr->next = malloc(sizeof(mapping_t)); |
111 |
|
|
if (map_end_ptr->next == NULL) return; |
112 |
|
|
map_ptr = map_end_ptr->next; |
113 |
|
|
} |
114 |
|
|
|
115 |
|
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map_ptr->next = NULL; |
116 |
|
|
map_ptr->bsd = bsd; |
117 |
|
|
map_ptr->svr = svr; |
118 |
|
|
|
119 |
|
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return; |
120 |
|
|
} |
121 |
|
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|
122 |
|
|
char *read_dir(char *disk_path){ |
123 |
|
|
DIR *dirp; |
124 |
tdb |
1.15 |
struct dirent *dp; |
125 |
|
|
struct stat stbuf; |
126 |
pajs |
1.14 |
char *svr_name; |
127 |
tdb |
1.15 |
char current_dir[MAXPATHLEN]; |
128 |
|
|
char file_name[MAXPATHLEN]; |
129 |
|
|
char temp_name[MAXPATHLEN]; |
130 |
|
|
char dir_dname[MAXPATHLEN]; |
131 |
pajs |
1.14 |
char *dsk_dir; |
132 |
|
|
int x; |
133 |
|
|
|
134 |
|
|
dsk_dir = "/dev/osa/dev/dsk"; |
135 |
tdb |
1.15 |
strncpy(current_dir, dsk_dir, sizeof current_dir); |
136 |
|
|
if ((dirp = opendir(current_dir)) == NULL){ |
137 |
pajs |
1.14 |
dsk_dir = "/dev/dsk"; |
138 |
|
|
snprintf(current_dir, sizeof current_dir, "%s", dsk_dir); |
139 |
|
|
if ((dirp = opendir(current_dir)) == NULL){ |
140 |
|
|
return NULL; |
141 |
|
|
} |
142 |
|
|
} |
143 |
|
|
|
144 |
tdb |
1.15 |
while ((dp = readdir(dirp)) != NULL){ |
145 |
pajs |
1.14 |
snprintf(temp_name, sizeof temp_name, "../..%s", disk_path); |
146 |
|
|
snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name); |
147 |
|
|
stat(dir_dname,&stbuf); |
148 |
|
|
|
149 |
|
|
if (S_ISBLK(stbuf.st_mode)){ |
150 |
|
|
x = readlink(dir_dname, file_name, sizeof(file_name)); |
151 |
|
|
file_name[x] = '\0'; |
152 |
|
|
if (strcmp(file_name, temp_name) == 0) { |
153 |
|
|
svr_name = strdup(dp->d_name); |
154 |
|
|
closedir(dirp); |
155 |
|
|
return svr_name; |
156 |
|
|
} |
157 |
|
|
} |
158 |
|
|
} |
159 |
tdb |
1.16 |
closedir(dirp); |
160 |
pajs |
1.14 |
return NULL; |
161 |
|
|
} |
162 |
|
|
|
163 |
|
|
|
164 |
|
|
|
165 |
|
|
int get_alias(char *alias){ |
166 |
|
|
char file[MAXPATHLEN]; |
167 |
|
|
di_node_t root_node; |
168 |
|
|
di_node_t node; |
169 |
|
|
di_minor_t minor = DI_MINOR_NIL; |
170 |
|
|
char tmpnode[MAXPATHLEN]; |
171 |
|
|
char *phys_path; |
172 |
|
|
char *minor_name; |
173 |
|
|
char *value; |
174 |
|
|
int instance; |
175 |
|
|
if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) { |
176 |
pajs |
1.17 |
return 1; |
177 |
pajs |
1.14 |
} |
178 |
|
|
node = di_drv_first_node(alias, root_node); |
179 |
|
|
while (node != DI_NODE_NIL) { |
180 |
|
|
if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) { |
181 |
|
|
instance = di_instance(node); |
182 |
|
|
phys_path = di_devfs_path(node); |
183 |
|
|
minor_name = di_minor_name(minor); |
184 |
|
|
strcpy(tmpnode, alias); |
185 |
|
|
sprintf(tmpnode, "%s%d", tmpnode, instance); |
186 |
pajs |
1.17 |
strlcpy(file, "/devices", sizeof file); |
187 |
|
|
strlcat(file, phys_path, sizeof file); |
188 |
|
|
strlcat(file, ":", sizeof file); |
189 |
|
|
strlcat(file, minor_name, sizeof file); |
190 |
pajs |
1.14 |
value = read_dir(file); |
191 |
|
|
if (value != NULL){ |
192 |
|
|
add_mapping(tmpnode, value); |
193 |
|
|
} |
194 |
|
|
di_devfs_path_free(phys_path); |
195 |
|
|
node = di_drv_next_node(node); |
196 |
|
|
}else{ |
197 |
|
|
node = di_drv_next_node(node); |
198 |
|
|
} |
199 |
tdb |
1.15 |
} |
200 |
pajs |
1.14 |
di_fini(root_node); |
201 |
pajs |
1.17 |
return 0; |
202 |
pajs |
1.14 |
} |
203 |
|
|
|
204 |
pajs |
1.22 |
|
205 |
|
|
#define BIG_ENOUGH 512 |
206 |
pajs |
1.17 |
int build_mapping(){ |
207 |
pajs |
1.22 |
char device_name[BIG_ENOUGH]; |
208 |
pajs |
1.14 |
int x; |
209 |
tdb |
1.15 |
kstat_ctl_t *kc; |
210 |
|
|
kstat_t *ksp; |
211 |
|
|
kstat_io_t kios; |
212 |
pajs |
1.14 |
|
213 |
pajs |
1.22 |
char driver_list[BIG_ENOUGH][BIG_ENOUGH]; |
214 |
|
|
int list_entries = 0; |
215 |
|
|
int found; |
216 |
|
|
|
217 |
pajs |
1.14 |
if ((kc = kstat_open()) == NULL) { |
218 |
tdb |
1.16 |
return; |
219 |
tdb |
1.15 |
} |
220 |
pajs |
1.14 |
|
221 |
tdb |
1.15 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
222 |
|
|
if (!strcmp(ksp->ks_class, "disk")) { |
223 |
|
|
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
224 |
|
|
/* We dont want metadevices appearing as num_diskio */ |
225 |
|
|
if(strcmp(ksp->ks_module, "md")==0) continue; |
226 |
|
|
if((kstat_read(kc, ksp, &kios))==-1) continue; |
227 |
pajs |
1.14 |
strncpy(device_name, ksp->ks_name, sizeof device_name); |
228 |
|
|
for(x=0;x<(sizeof device_name);x++){ |
229 |
|
|
if( isdigit((int)device_name[x]) ) break; |
230 |
|
|
} |
231 |
|
|
if(x == sizeof device_name) x--; |
232 |
|
|
device_name[x] = '\0'; |
233 |
pajs |
1.22 |
|
234 |
|
|
/* Check if we've not already looked it up */ |
235 |
|
|
found = 0; |
236 |
|
|
for(x=0;x<list_entries;x++){ |
237 |
|
|
if (x>=BIG_ENOUGH){ |
238 |
|
|
/* We've got bigger than we thought was massive */ |
239 |
|
|
/* If we hit this.. Make big enough bigger */ |
240 |
|
|
return 1; |
241 |
|
|
} |
242 |
|
|
if( !strncmp(driver_list[x], device_name, BIG_ENOUGH)){ |
243 |
|
|
found = 1; |
244 |
|
|
break; |
245 |
|
|
} |
246 |
|
|
} |
247 |
|
|
|
248 |
|
|
if(!found){ |
249 |
|
|
if((get_alias(device_name)) != 0){ |
250 |
|
|
return 1; |
251 |
|
|
} |
252 |
|
|
strncpy(driver_list[x], device_name, BIG_ENOUGH); |
253 |
|
|
list_entries++; |
254 |
pajs |
1.17 |
} |
255 |
tdb |
1.15 |
} |
256 |
pajs |
1.14 |
} |
257 |
tdb |
1.15 |
|
258 |
pajs |
1.17 |
return 0; |
259 |
pajs |
1.14 |
} |
260 |
|
|
|
261 |
|
|
#endif |
262 |
|
|
|
263 |
|
|
|
264 |
|
|
|
265 |
pajs |
1.1 |
char *f_read_line(FILE *f, const char *string){ |
266 |
|
|
/* Max line length. 8k should be more than enough */ |
267 |
|
|
static char line[8192]; |
268 |
|
|
|
269 |
pajs |
1.2 |
while((fgets(line, sizeof(line), f))!=NULL){ |
270 |
pajs |
1.1 |
if(strncmp(string, line, strlen(string))==0){ |
271 |
|
|
return line; |
272 |
|
|
} |
273 |
|
|
} |
274 |
|
|
|
275 |
|
|
return NULL; |
276 |
pajs |
1.3 |
} |
277 |
|
|
|
278 |
|
|
char *get_string_match(char *line, regmatch_t *match){ |
279 |
|
|
int len=match->rm_eo - match->rm_so; |
280 |
|
|
char *match_string=malloc(len+1); |
281 |
|
|
|
282 |
|
|
match_string=strncpy(match_string, line+match->rm_so, len); |
283 |
|
|
match_string[len]='\0'; |
284 |
|
|
|
285 |
|
|
return match_string; |
286 |
|
|
} |
287 |
ats |
1.7 |
|
288 |
pajs |
1.14 |
|
289 |
|
|
|
290 |
ats |
1.13 |
#ifndef HAVE_ATOLL |
291 |
|
|
static long long atoll(const char *s) { |
292 |
|
|
long long value = 0; |
293 |
|
|
int isneg = 0; |
294 |
|
|
|
295 |
|
|
while (*s == ' ' || *s == '\t') { |
296 |
|
|
s++; |
297 |
|
|
} |
298 |
|
|
if (*s == '-') { |
299 |
|
|
isneg = 1; |
300 |
|
|
s++; |
301 |
|
|
} |
302 |
|
|
while (*s >= '0' && *s <= '9') { |
303 |
|
|
value = (10 * value) + (*s - '0'); |
304 |
|
|
s++; |
305 |
|
|
} |
306 |
|
|
return (isneg ? -value : value); |
307 |
|
|
} |
308 |
|
|
#endif |
309 |
|
|
|
310 |
pajs |
1.19 |
#ifndef HAVE_STRLCPY |
311 |
ats |
1.21 |
/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */ |
312 |
pajs |
1.19 |
|
313 |
|
|
/* |
314 |
|
|
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
315 |
|
|
* |
316 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
317 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
318 |
|
|
* copyright notice and this permission notice appear in all copies. |
319 |
|
|
* |
320 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
321 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
322 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
323 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
324 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
325 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
326 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
327 |
|
|
*/ |
328 |
|
|
|
329 |
|
|
/* |
330 |
|
|
* Copy src to string dst of size siz. At most siz-1 characters |
331 |
|
|
* will be copied. Always NUL terminates (unless siz == 0). |
332 |
|
|
* Returns strlen(src); if retval >= siz, truncation occurred. |
333 |
|
|
*/ |
334 |
|
|
size_t strlcpy(char *dst, const char *src, size_t siz){ |
335 |
|
|
register char *d = dst; |
336 |
|
|
register const char *s = src; |
337 |
|
|
register size_t n = siz; |
338 |
|
|
|
339 |
|
|
/* Copy as many bytes as will fit */ |
340 |
|
|
if (n != 0 && --n != 0) { |
341 |
|
|
do { |
342 |
|
|
if ((*d++ = *s++) == 0) |
343 |
|
|
break; |
344 |
|
|
} while (--n != 0); |
345 |
|
|
} |
346 |
|
|
|
347 |
|
|
/* Not enough room in dst, add NUL and traverse rest of src */ |
348 |
|
|
if (n == 0) { |
349 |
|
|
if (siz != 0) |
350 |
|
|
*d = '\0'; /* NUL-terminate dst */ |
351 |
|
|
while (*s++) |
352 |
|
|
; |
353 |
|
|
} |
354 |
|
|
|
355 |
|
|
return(s - src - 1); /* count does not include NUL */ |
356 |
|
|
} |
357 |
|
|
#endif |
358 |
|
|
|
359 |
|
|
#ifndef HAVE_STRLCAT |
360 |
|
|
/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */ |
361 |
|
|
|
362 |
|
|
/* |
363 |
|
|
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
364 |
|
|
* |
365 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
366 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
367 |
|
|
* copyright notice and this permission notice appear in all copies. |
368 |
|
|
* |
369 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
370 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
371 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
372 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
373 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
374 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
375 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
376 |
|
|
*/ |
377 |
|
|
|
378 |
|
|
/* |
379 |
|
|
* Appends src to string dst of size siz (unlike strncat, siz is the |
380 |
|
|
* full size of dst, not space left). At most siz-1 characters |
381 |
|
|
* will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
382 |
|
|
* Returns strlen(src) + MIN(siz, strlen(initial dst)). |
383 |
|
|
* If retval >= siz, truncation occurred. |
384 |
|
|
*/ |
385 |
|
|
size_t strlcat(char *dst, const char *src, size_t siz){ |
386 |
|
|
register char *d = dst; |
387 |
|
|
register const char *s = src; |
388 |
|
|
register size_t n = siz; |
389 |
|
|
size_t dlen; |
390 |
|
|
|
391 |
|
|
/* Find the end of dst and adjust bytes left but don't go past end */ |
392 |
|
|
while (n-- != 0 && *d != '\0') |
393 |
|
|
d++; |
394 |
|
|
dlen = d - dst; |
395 |
|
|
n = siz - dlen; |
396 |
|
|
|
397 |
|
|
if (n == 0) |
398 |
|
|
return(dlen + strlen(s)); |
399 |
|
|
while (*s != '\0') { |
400 |
|
|
if (n != 1) { |
401 |
|
|
*d++ = *s; |
402 |
|
|
n--; |
403 |
|
|
} |
404 |
|
|
s++; |
405 |
|
|
} |
406 |
|
|
*d = '\0'; |
407 |
|
|
|
408 |
|
|
return(dlen + (s - src)); /* count does not include NUL */ |
409 |
|
|
} |
410 |
|
|
|
411 |
|
|
#endif |
412 |
|
|
|
413 |
pajs |
1.3 |
long long get_ll_match(char *line, regmatch_t *match){ |
414 |
|
|
char *ptr; |
415 |
|
|
long long num; |
416 |
|
|
|
417 |
|
|
ptr=line+match->rm_so; |
418 |
|
|
num=atoll(ptr); |
419 |
|
|
|
420 |
|
|
return num; |
421 |
ats |
1.8 |
} |
422 |
|
|
|
423 |
tdb |
1.31 |
#if defined(FREEBSD) || defined(DFBSD) |
424 |
ats |
1.8 |
kvm_t *get_kvm() { |
425 |
|
|
static kvm_t *kvmd = NULL; |
426 |
|
|
|
427 |
|
|
if (kvmd != NULL) { |
428 |
|
|
return kvmd; |
429 |
|
|
} |
430 |
|
|
|
431 |
|
|
kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL); |
432 |
|
|
return kvmd; |
433 |
pajs |
1.1 |
} |
434 |
pajs |
1.4 |
#endif |
435 |
ats |
1.9 |
|
436 |
ats |
1.28 |
#if defined(NETBSD) || defined(OPENBSD) |
437 |
ats |
1.9 |
struct uvmexp *get_uvmexp() { |
438 |
ats |
1.28 |
int mib[2]; |
439 |
|
|
size_t size; |
440 |
|
|
static struct uvmexp *uvm = NULL; |
441 |
ats |
1.9 |
|
442 |
ats |
1.28 |
mib[0] = CTL_VM; |
443 |
|
|
mib[1] = VM_UVMEXP; |
444 |
|
|
|
445 |
|
|
if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0) { |
446 |
ats |
1.9 |
return NULL; |
447 |
|
|
} |
448 |
|
|
|
449 |
ats |
1.28 |
uvm = realloc(uvm, size); |
450 |
|
|
if (uvm == NULL) { |
451 |
|
|
return NULL; |
452 |
ats |
1.9 |
} |
453 |
|
|
|
454 |
ats |
1.28 |
if (sysctl(mib, 2, uvm, &size, NULL, 0) < 0) { |
455 |
ats |
1.9 |
return NULL; |
456 |
|
|
} |
457 |
ats |
1.28 |
|
458 |
|
|
return uvm; |
459 |
ats |
1.9 |
} |
460 |
|
|
#endif |
461 |
|
|
|
462 |
pajs |
1.10 |
int statgrab_init(){ |
463 |
tdb |
1.33 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
464 |
pajs |
1.11 |
{ |
465 |
|
|
kvm_t *kvmd = get_kvm(); |
466 |
tdb |
1.15 |
if (kvmd == NULL) return 1; |
467 |
ats |
1.32 |
} |
468 |
|
|
#endif |
469 |
|
|
#if defined(NETBSD) || defined(OPENBSD) |
470 |
|
|
{ |
471 |
|
|
/* This should always succeed, but it seems that on some |
472 |
|
|
* versions of NetBSD the first call to get_uvmexp will return |
473 |
|
|
* a non-filled-in structure; this is a workaround for that. |
474 |
|
|
*/ |
475 |
|
|
struct uvmexp *uvm = get_uvmexp(); |
476 |
|
|
if (uvm == NULL) return 1; |
477 |
pajs |
1.11 |
} |
478 |
pajs |
1.14 |
#endif |
479 |
|
|
#ifdef SOLARIS |
480 |
pajs |
1.20 |
/* On solaris 7, this will fail if you are not root. But, everything |
481 |
|
|
* will still work, just no disk mappings. So we will ignore the exit |
482 |
|
|
* status of this, and carry on merrily. |
483 |
|
|
*/ |
484 |
pajs |
1.26 |
#ifdef HAVE_LIBDEVINFO_H |
485 |
pajs |
1.20 |
build_mapping(); |
486 |
pajs |
1.25 |
#endif |
487 |
pajs |
1.10 |
#endif |
488 |
|
|
return 0; |
489 |
|
|
} |
490 |
ats |
1.18 |
|
491 |
|
|
int statgrab_drop_privileges() { |
492 |
|
|
if (setegid(getgid()) != 0) return -1; |
493 |
|
|
if (seteuid(getuid()) != 0) return -1; |
494 |
|
|
return 0; |
495 |
|
|
} |
496 |
|
|
|