1 |
|
/* |
2 |
< |
* i-scream central monitoring system |
2 |
> |
* i-scream libstatgrab |
3 |
|
* http://www.i-scream.org |
4 |
|
* Copyright (C) 2000-2004 i-scream |
5 |
|
* |
29 |
|
#include <stdio.h> |
30 |
|
#include <string.h> |
31 |
|
#include "statgrab.h" |
32 |
+ |
#include "vector.h" |
33 |
|
#ifdef ALLBSD |
34 |
|
#include <sys/types.h> |
35 |
|
#endif |
36 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
37 |
+ |
#include <limits.h> |
38 |
+ |
#endif |
39 |
+ |
#ifdef OPENBSD |
40 |
+ |
#include <sys/param.h> |
41 |
+ |
#endif |
42 |
+ |
#ifndef WIN32 |
43 |
+ |
#ifdef HAVE_UTMPX |
44 |
+ |
#include <utmpx.h> |
45 |
+ |
#else |
46 |
|
#include <utmp.h> |
36 |
– |
|
37 |
– |
#ifdef SOLARIS |
38 |
– |
#define MAX_LOGIN_NAME_SIZE 8 |
47 |
|
#endif |
40 |
– |
#if defined(LINUX) || defined(FREEBSD) |
41 |
– |
#define MAX_LOGIN_NAME_SIZE UT_NAMESIZE |
48 |
|
#endif |
49 |
< |
#ifdef NETBSD |
50 |
< |
#define MAX_LOGIN_NAME_SIZE _POSIX_LOGIN_NAME_MAX |
49 |
> |
#ifdef CYGWIN |
50 |
> |
#include <sys/unistd.h> |
51 |
|
#endif |
52 |
< |
#if defined(CYGWIN) |
53 |
< |
#define MAX_LOGIN_NAME_SIZE _SC_LOGIN_NAME_MAX |
52 |
> |
#ifdef HPUX |
53 |
> |
#include <utmp.h> |
54 |
|
#endif |
55 |
< |
|
56 |
< |
#define START_VAL (5*(1+MAX_LOGIN_NAME_SIZE)) |
57 |
< |
|
52 |
< |
user_stat_t *get_user_stats(){ |
53 |
< |
int num_users=0; |
54 |
< |
|
55 |
< |
static user_stat_t user_stats; |
56 |
< |
static int size_of_namelist=-1; |
57 |
< |
char *tmp; |
58 |
< |
#if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN) |
59 |
< |
struct utmp *entry; |
55 |
> |
#ifdef WIN32 |
56 |
> |
#include <windows.h> |
57 |
> |
#include <lm.h> |
58 |
|
#endif |
59 |
< |
#ifdef ALLBSD |
59 |
> |
|
60 |
> |
sg_user_stats *sg_get_user_stats(){ |
61 |
> |
int num_users = 0, pos = 0, new_pos; |
62 |
> |
VECTOR_DECLARE_STATIC(name_list, char, 128, NULL, NULL); |
63 |
> |
static sg_user_stats user_stats; |
64 |
> |
#if defined(ALLBSD) && !defined(HAVE_UTMPX) |
65 |
|
struct utmp entry; |
66 |
< |
FILE *f; |
64 |
< |
#endif |
66 |
> |
FILE *f; |
67 |
|
|
68 |
< |
/* First case call */ |
69 |
< |
if (size_of_namelist==-1){ |
70 |
< |
user_stats.name_list=malloc(START_VAL); |
71 |
< |
if(user_stats.name_list==NULL){ |
68 |
> |
if ((f=fopen(_PATH_UTMP, "r")) == NULL){ |
69 |
> |
sg_set_error_with_errno(SG_ERROR_OPEN, _PATH_UTMP); |
70 |
> |
return NULL; |
71 |
> |
} |
72 |
> |
while((fread(&entry, sizeof(entry),1,f)) != 0){ |
73 |
> |
if (entry.ut_name[0] == '\0') continue; |
74 |
> |
|
75 |
> |
new_pos = pos + strlen(entry.ut_name) + 1; |
76 |
> |
if (VECTOR_RESIZE(name_list, new_pos) < 0) { |
77 |
|
return NULL; |
78 |
|
} |
72 |
– |
size_of_namelist=START_VAL; |
73 |
– |
} |
79 |
|
|
80 |
< |
/* Essentially blank the list, or give it a inital starting string */ |
81 |
< |
strcpy(user_stats.name_list, ""); |
80 |
> |
strcpy(name_list + pos, entry.ut_name); |
81 |
> |
name_list[new_pos - 1] = ' '; |
82 |
> |
pos = new_pos; |
83 |
> |
num_users++; |
84 |
> |
} |
85 |
> |
fclose(f); |
86 |
> |
#elif defined (WIN32) |
87 |
> |
LPWKSTA_USER_INFO_0 buf = NULL; |
88 |
> |
LPWKSTA_USER_INFO_0 tmp_buf; |
89 |
> |
unsigned long entries_read = 0; |
90 |
> |
unsigned long entries_tot = 0; |
91 |
> |
unsigned long resumehandle = 0; |
92 |
> |
NET_API_STATUS nStatus; |
93 |
> |
int i; |
94 |
> |
char name[256]; |
95 |
|
|
96 |
< |
#if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN) |
97 |
< |
setutent(); |
98 |
< |
while((entry=getutent()) != NULL) { |
99 |
< |
if(entry->ut_type==USER_PROCESS) { |
100 |
< |
if((strlen(user_stats.name_list)+MAX_LOGIN_NAME_SIZE+2) > size_of_namelist){ |
101 |
< |
tmp=user_stats.name_list; |
102 |
< |
user_stats.name_list=realloc(user_stats.name_list, 1+(size_of_namelist*2)); |
103 |
< |
if(user_stats.name_list==NULL){ |
104 |
< |
user_stats.name_list=tmp; |
96 |
> |
do { |
97 |
> |
nStatus = NetWkstaUserEnum(NULL, 0, (LPBYTE*)&buf, |
98 |
> |
MAX_PREFERRED_LENGTH, &entries_read, |
99 |
> |
&entries_tot, &resumehandle); |
100 |
> |
if((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA)) { |
101 |
> |
if((tmp_buf = buf) == NULL) { |
102 |
> |
continue; |
103 |
> |
} |
104 |
> |
for (i=0; i<entries_read; i++) { |
105 |
> |
//assert(tmp_buf != NULL); |
106 |
> |
if (tmp_buf == NULL) { |
107 |
> |
sg_set_error(SG_ERROR_PERMISSION, "User list"); |
108 |
> |
break; |
109 |
> |
} |
110 |
> |
/* It's in unicode. We are not. Convert */ |
111 |
> |
WideCharToMultiByte(CP_ACP, 0, tmp_buf->wkui0_username, -1, name, sizeof(name), NULL, NULL); |
112 |
> |
|
113 |
> |
new_pos = pos + strlen(name) + 1; |
114 |
> |
if(VECTOR_RESIZE(name_list, new_pos) < 0) { |
115 |
> |
NetApiBufferFree(buf); |
116 |
|
return NULL; |
117 |
|
} |
118 |
< |
size_of_namelist=1+(size_of_namelist*2); |
119 |
< |
} |
118 |
> |
strcpy(name_list + pos, name); |
119 |
> |
name_list[new_pos - 1] = ' '; |
120 |
> |
pos = new_pos; |
121 |
|
|
122 |
< |
strncat(user_stats.name_list, entry->ut_user, MAX_LOGIN_NAME_SIZE); |
123 |
< |
strcat(user_stats.name_list, " "); |
124 |
< |
num_users++; |
122 |
> |
tmp_buf++; |
123 |
> |
num_users++; |
124 |
> |
} |
125 |
> |
} else { |
126 |
> |
sg_set_error(SG_ERROR_PERMISSION, "User enum"); |
127 |
> |
return NULL; |
128 |
|
} |
129 |
+ |
if (buf != NULL) { |
130 |
+ |
NetApiBufferFree(buf); |
131 |
+ |
buf=NULL; |
132 |
+ |
} |
133 |
+ |
} while (nStatus == ERROR_MORE_DATA); |
134 |
+ |
if (buf != NULL) { |
135 |
+ |
NetApiBufferFree(buf); |
136 |
|
} |
137 |
< |
endutent(); |
137 |
> |
#else |
138 |
> |
/* This works on everything else. */ |
139 |
> |
#ifdef HAVE_UTMPX |
140 |
> |
struct utmpx *entry; |
141 |
> |
setutxent(); |
142 |
> |
while((entry=getutxent()) != NULL) { |
143 |
> |
#else |
144 |
> |
struct utmp *entry; |
145 |
> |
setutent(); |
146 |
> |
while((entry=getutent()) != NULL) { |
147 |
|
#endif |
148 |
< |
#ifdef ALLBSD |
149 |
< |
if ((f=fopen(_PATH_UTMP, "r")) == NULL){ |
150 |
< |
return NULL; |
151 |
< |
} |
152 |
< |
while((fread(&entry, sizeof(entry),1,f)) != 0){ |
104 |
< |
if (entry.ut_name[0] == '\0') continue; |
105 |
< |
if((strlen(user_stats.name_list)+MAX_LOGIN_NAME_SIZE+2) > size_of_namelist){ |
106 |
< |
tmp=user_stats.name_list; |
107 |
< |
user_stats.name_list=realloc(user_stats.name_list, 1+(size_of_namelist*2)); |
108 |
< |
if(user_stats.name_list==NULL){ |
109 |
< |
user_stats.name_list=tmp; |
110 |
< |
return NULL; |
111 |
< |
} |
112 |
< |
size_of_namelist=1+(size_of_namelist*2); |
113 |
< |
|
148 |
> |
if (entry->ut_type != USER_PROCESS) continue; |
149 |
> |
|
150 |
> |
new_pos = pos + strlen(entry->ut_user) + 1; |
151 |
> |
if (VECTOR_RESIZE(name_list, new_pos) < 0) { |
152 |
> |
return NULL; |
153 |
|
} |
154 |
< |
strncat(user_stats.name_list, entry.ut_name, MAX_LOGIN_NAME_SIZE); |
155 |
< |
strcat(user_stats.name_list, " "); |
154 |
> |
|
155 |
> |
strcpy(name_list + pos, entry->ut_user); |
156 |
> |
name_list[new_pos - 1] = ' '; |
157 |
> |
pos = new_pos; |
158 |
|
num_users++; |
159 |
|
} |
160 |
< |
fclose(f); |
160 |
> |
#ifdef HAVE_UTMPX |
161 |
> |
endutxent(); |
162 |
> |
#else |
163 |
> |
endutent(); |
164 |
> |
#endif |
165 |
> |
#endif |
166 |
|
|
167 |
< |
#endif |
168 |
< |
/* We want to remove the last " " */ |
169 |
< |
if(num_users!=0){ |
124 |
< |
tmp=strrchr(user_stats.name_list, ' '); |
125 |
< |
if(tmp!=NULL){ |
126 |
< |
*tmp='\0'; |
127 |
< |
user_stats.num_entries=num_users; |
128 |
< |
} |
167 |
> |
/* Remove the extra space at the end, and append a \0. */ |
168 |
> |
if (num_users != 0) { |
169 |
> |
pos--; |
170 |
|
} |
171 |
+ |
if (VECTOR_RESIZE(name_list, pos + 1) < 0) { |
172 |
+ |
return NULL; |
173 |
+ |
} |
174 |
+ |
name_list[pos] = '\0'; |
175 |
|
|
176 |
+ |
user_stats.num_entries = num_users; |
177 |
+ |
user_stats.name_list = name_list; |
178 |
|
return &user_stats; |
132 |
– |
|
179 |
|
} |