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
|
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <sys/types.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "struct.h"
#include "versioninfo.h"
#include "util_funcs/header_generic.h"
#include "util_funcs/restart.h"
#include "util_funcs.h" /* clear_cache */
netsnmp_feature_require(clear_cache)
void
init_versioninfo(void)
{
/*
* define the structure we're going to ask the agent to register our
* information at
*/
struct variable2 extensible_version_variables[] = {
{MIBINDEX, ASN_INTEGER, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {MIBINDEX}},
{VERTAG, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {VERTAG}},
{VERDATE, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {VERDATE}},
{VERCDATE, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {VERCDATE}},
{VERIDENT, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {VERIDENT}},
{VERCONFIG, ASN_OCTET_STR, NETSNMP_OLDAPI_RONLY,
var_extensible_version, 1, {VERCONFIG}},
{VERCLEARCACHE, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE,
var_extensible_version, 1, {VERCLEARCACHE}},
{VERUPDATECONFIG, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE,
var_extensible_version, 1, {VERUPDATECONFIG}},
{VERRESTARTAGENT, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE,
var_extensible_version, 1, {VERRESTARTAGENT}},
{VERSAVEPERSISTENT, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE,
var_extensible_version, 1, {VERSAVEPERSISTENT}},
{VERDEBUGGING, ASN_INTEGER, NETSNMP_OLDAPI_RWRITE,
var_extensible_version, 1, {VERDEBUGGING}}
};
/*
* Define the OID pointer to the top of the mib tree that we're
* registering underneath
*/
oid version_variables_oid[] =
{ NETSNMP_UCDAVIS_MIB, NETSNMP_VERSIONMIBNUM };
/*
* register ourselves with the agent to handle our mib tree
*/
REGISTER_MIB("ucd-snmp/versioninfo", extensible_version_variables,
variable2, version_variables_oid);
}
u_char *
var_extensible_version(struct variable *vp,
oid * name,
size_t * length,
int exact,
size_t * var_len, WriteMethod ** write_method)
{
static long long_ret;
static char errmsg[300];
char *cptr;
time_t curtime;
#ifdef NETSNMP_CONFIGURE_OPTIONS
static char config_opts[] = NETSNMP_CONFIGURE_OPTIONS;
#endif
DEBUGMSGTL(("ucd-snmp/versioninfo", "var_extensible_version: "));
DEBUGMSGOID(("ucd-snmp/versioninfo", name, *length));
DEBUGMSG(("ucd-snmp/versioninfo", " %d\n", exact));
if (header_generic(vp, name, length, exact, var_len, write_method))
return (NULL);
switch (vp->magic) {
case MIBINDEX:
long_ret = name[8];
return ((u_char *) (&long_ret));
case VERTAG:
strlcpy(errmsg, netsnmp_get_version(), sizeof(errmsg));
*var_len = strlen(errmsg);
return ((u_char *) errmsg);
case VERDATE:
strlcpy(errmsg, "$Date$", sizeof(errmsg));
*var_len = strlen(errmsg);
return ((u_char *) errmsg);
case VERCDATE:
curtime = time(NULL);
cptr = ctime(&curtime);
strlcpy(errmsg, cptr, sizeof(errmsg));
*var_len = strlen(errmsg) - 1; /* - 1 to strip trailing newline */
return ((u_char *) errmsg);
case VERIDENT:
strlcpy(errmsg, "$Id$", sizeof(errmsg));
*var_len = strlen(errmsg);
return ((u_char *) errmsg);
case VERCONFIG:
#ifdef NETSNMP_CONFIGURE_OPTIONS
*var_len = strlen(config_opts);
if (*var_len > 1024)
*var_len = 1024; /* mib imposed restriction */
return (u_char *) config_opts;
#else
strlcpy(errmsg, "", sizeof(errmsg)));
*var_len = strlen(errmsg);
return ((u_char *) errmsg);
#endif
case VERCLEARCACHE:
*write_method = clear_cache;
long_ret = 0;
return ((u_char *) & long_ret);
case VERUPDATECONFIG:
*write_method = update_hook;
long_ret = 0;
return ((u_char *) & long_ret);
case VERRESTARTAGENT:
*write_method = restart_hook;
long_ret = 0;
return ((u_char *) & long_ret);
case VERSAVEPERSISTENT:
*write_method = save_persistent;
long_ret = 0;
return ((u_char *) & long_ret);
case VERDEBUGGING:
*write_method = debugging_hook;
long_ret = snmp_get_do_debugging();
return ((u_char *) & long_ret);
}
return NULL;
}
int
update_hook(int action,
u_char * var_val,
u_char var_val_type,
size_t var_val_len,
u_char * statP, oid * name, size_t name_len)
{
long tmp = 0;
if (var_val_type != ASN_INTEGER) {
snmp_log(LOG_ERR, "Wrong type != int\n");
return SNMP_ERR_WRONGTYPE;
}
tmp = *((long *) var_val);
if (tmp == 1 && action == COMMIT) {
update_config();
}
return SNMP_ERR_NOERROR;
}
int
debugging_hook(int action,
u_char * var_val,
u_char var_val_type,
size_t var_val_len,
u_char * statP, oid * name, size_t name_len)
{
long tmp = 0;
if (var_val_type != ASN_INTEGER) {
DEBUGMSGTL(("versioninfo", "Wrong type != int\n"));
return SNMP_ERR_WRONGTYPE;
}
tmp = *((long *) var_val);
if (action == COMMIT) {
snmp_set_do_debugging(tmp);
}
return SNMP_ERR_NOERROR;
}
int
save_persistent(int action,
u_char * var_val,
u_char var_val_type,
size_t var_val_len,
u_char * statP, oid * name, size_t name_len)
{
if (var_val_type != ASN_INTEGER) {
DEBUGMSGTL(("versioninfo", "Wrong type != int\n"));
return SNMP_ERR_WRONGTYPE;
}
if (action == COMMIT) {
snmp_store(netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE));
}
return SNMP_ERR_NOERROR;
}
|
