1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
/*
* dfile.c - /dev/kmem-based HP-UX file processing functions for lsof
*/
/*
* Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana
* 47907. All rights reserved.
*
* Written by Victor A. Abell
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. Neither the authors nor Purdue University are responsible for any
* consequences of the use of this software.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Credit to the authors and Purdue
* University must appear in documentation and sources.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 4. This notice may not be removed or altered.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n";
static char *rcsid = "$Id: dfile.c,v 1.14 2001/08/14 13:27:16 abe Exp $";
#endif
#if defined(HPUXKERNBITS) && HPUXKERNBITS>=64
#define _TIME_T
typedef int time_t;
/*
* CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!!
*
* Do NOT:
*
* #define INO_T
* typedef int ino_t;
*
* in this source file for HP-UX >= 10.30. Doing so will cause the kernel's
* ino_t type to be erroneously used instead of the application's.
*
* CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!! CAUTION!!!
*/
#endif /* defined(HPUXKERNBITS) && HPUXKERNBITS>=64 */
#include "lsof.h"
/*
* get_max_fd() - get maximum file descriptor plus one
*/
int
get_max_fd()
{
struct rlimit r;
if (getrlimit(RLIMIT_NOFILE, &r))
return(-1);
return(r.rlim_cur);
}
/*
* print_dev() - print device
*/
char *
print_dev(lf, dev)
struct lfile *lf; /* file whose device is to be printed */
dev_t *dev; /* device to be printed */
{
static char buf[128];
(void) snpf(buf, sizeof(buf), "%d,%#x", GET_MAJ_DEV(*dev),
GET_MIN_DEV(*dev));
return(buf);
}
/*
* process_file() - process file
*/
void
process_file(fp)
KA_T fp; /* kernel file structure address */
{
struct file f;
int flag;
if (kread((KA_T)fp, (char *)&f, sizeof(f))) {
(void) snpf(Namech, Namechl, "can't read file struct from %s",
print_kptr(fp, (char *)NULL, 0));
enter_nm(Namech);
return;
}
Lf->off = (SZOFFTYPE)f.f_offset;
if (f.f_count) {
#if defined(HASFSTRUCT)
/*
* Save file structure values.
*/
if (Fsv & FSV_CT) {
Lf->fct = (long)f.f_count;
Lf->fsv |= FSV_CT;
}
if (Fsv & FSV_FA) {
Lf->fsa = fp;
Lf->fsv |= FSV_FA;
}
if (Fsv & FSV_FG) {
Lf->ffg = (long)f.f_flag;
Lf->fsv |= FSV_FG;
}
if (Fsv & FSV_NI) {
Lf->fna = (KA_T)f.f_data;
Lf->fsv |= FSV_NI;
}
#endif /* defined(HASFSTRUCT) */
/*
* Construct access code.
*/
if ((flag = (f.f_flag & (FREAD | FWRITE))) == FREAD)
Lf->access = 'r';
else if (flag == FWRITE)
Lf->access = 'w';
else if (flag == (FREAD | FWRITE))
Lf->access = 'u';
/*
* Process structure by its type.
*/
switch (f.f_type) {
#if defined(DTYPE_LLA)
case DTYPE_LLA:
process_lla((KA_T)f.f_data);
return;
#endif /* DTYPE_LLA */
case DTYPE_VNODE:
process_node((KA_T)f.f_data);
return;
case DTYPE_SOCKET:
process_socket((KA_T)f.f_data);
return;
default:
if (!f.f_type || (f.f_ops && (KA_T)f.f_ops != Vnfops)) {
(void) snpf(Namech, Namechl,
"%s file struct, ty=%#x, op=%#x",
print_kptr(fp, (char *)NULL, 0), f.f_type, f.f_ops);
enter_nm(Namech);
return;
}
}
}
enter_nm("no more information");
}
#if HPUXV>=1030
/*
* read_mi() - read stream's module information
*
* Note: this function is included in this module, because ino_t is not
* redfined to the kernel's type, but is left at the application's type.
* See the CAUTION statement inside the HPUXKERNBITS>=64 #if/#endif
* block at the beginning of this file.
*/
int
read_mi(sh, ip, pcb, pn)
KA_T sh; /* stream head address */
KA_T *ip; /* returned IP q_ptr */
KA_T *pcb; /* returned TCP or UDP q_ptr */
char **pn; /* returned protocol name */
{
struct l_dev *dp;
char *ep = Namech;
struct sth_s hd;
int i;
size_t len, ml;
char mn[32];
KA_T ka, qa;
struct module_info mi;
struct queue q;
struct qinit qi;
size_t sz = Namechl;
if (!sh
|| kread(sh, (char *)&hd, sizeof(hd))) {
(void) snpf(Namech, Namechl, "can't read stream head: %s",
print_kptr(sh, (char *)NULL, 0));
return(1);
}
if (!Lf->rdev_def)
dp = (struct l_dev *)NULL;
else
dp = lkupdev(&DevDev, &Lf->rdev, 1, 0);
if (dp)
(void) snpf(ep, sz, "%s", dp->name);
else
*ep = '\0';
/*
* Follow the stream head to each of its queue structures, retrieving the
* module names for each queue's q_info->qi_minfo->mi_idname chain of
* structures. Separate each additional name from the previous one with
* "->".
*
* Ignore failures to read all but queue structure chain entries.
*
* Ignore module names that end in "head".
*
* Save the q_ptr value for "tcp" and "udp" modules.
*/
ml = sizeof(mn) - 1;
mn[ml] = '\0';
*ip = *pcb = (KA_T)NULL;
qa = (KA_T)hd.sth_wq;
for (i = 0; i < 20; i++, qa = (KA_T)q.q_next) {
if (!qa || kread(qa, (char *)&q, sizeof(q)))
break;
if (!(ka = (KA_T)q.q_qinfo) || kread(ka, (char *)&qi, sizeof(qi)))
continue;
if (!(ka = (KA_T)qi.qi_minfo) || kread(ka, (char *)&mi, sizeof(mi)))
continue;
if (!(ka = (KA_T)mi.mi_idname) || kread(ka, mn, ml))
continue;
if ((len = strlen(mn)) < 1)
continue;
if (len >= 3 && !strcmp(&mn[len - 3], "sth"))
continue;
ep = endnm(&sz);
(void) snpf(ep, sz, "%s%s", (ep == Namech) ? "" : "->", mn);
if (!q.q_ptr)
continue;
if (!*ip && !strcmp(mn, "ip")) {
*ip = (KA_T)q.q_ptr;
continue;
}
if (!*pcb && !strcmp(mn, "tcpm")) {
*pcb = (KA_T)q.q_ptr;
*pn = "TCP";
continue;
}
if (!*pcb && !strcmp(mn, "udpm")) {
*pcb = (KA_T)q.q_ptr;
*pn = "UDP";
}
}
return(0);
}
#endif /* HPUXV>=1030 */
|
