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Comparing projects/libstatgrab/src/libstatgrab/user_stats.c (file contents):
Revision 1.2 by tdb, Thu Feb 20 13:19:52 2003 UTC vs.
Revision 1.28 by tdb, Sat Sep 24 13:29:23 2005 UTC

#	Line 1 | Line 1
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
25		#include "config.h"
26		#endif
27	<	#include "statgrab.h"
27	>
28		#include <stdlib.h>
29		#include <stdio.h>
30		#include <string.h>
31	<	#ifdef FREEBSD
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		#include <utmp.h>
44	+	#endif
45	+	#ifdef CYGWIN
46	+	#include <sys/unistd.h>
47	+	#endif
48	+	#ifdef HPUX
49	+	#include <utmp.h>
50	+	#endif
51	+	#ifdef WIN32
52	+	#include <windows.h>
53	+	#include <lm.h>
54	+	#endif
55
56	<	#define START_VAL 5
56	>	sg_user_stats *sg_get_user_stats(){
57	>	int num_users = 0, pos = 0, new_pos;
58	>	VECTOR_DECLARE_STATIC(name_list, char, 128, NULL, NULL);
59	>	static sg_user_stats user_stats;
60	>	#ifdef ALLBSD
61	>	struct utmp entry;
62	>	FILE *f;
63
64	<	user_stat_t *get_user_stats(){
65	<	int num_users=0;
64	>	if ((f=fopen(_PATH_UTMP, "r")) == NULL){
65	>	sg_set_error_with_errno(SG_ERROR_OPEN, _PATH_UTMP);
66	>	return NULL;
67	>	}
68	>	while((fread(&entry, sizeof(entry),1,f)) != 0){
69	>	if (entry.ut_name[0] == '\0') continue;
70
71	<	static user_stat_t user_stat;
72	<	static int watermark=-1;
73	<	struct utmp *entry;
71	>	new_pos = pos + strlen(entry.ut_name) + 1;
72	>	if (VECTOR_RESIZE(name_list, new_pos) < 0) {
73	>	return NULL;
74	>	}
75
76	<	name *name_ptr;
76	>	strcpy(name_list + pos, entry.ut_name);
77	>	name_list[new_pos - 1] = ' ';
78	>	pos = new_pos;
79	>	num_users++;
80	>	}
81	>	fclose(f);
82	>	#elif defined (WIN32)
83	>	LPWKSTA_USER_INFO_0 buf = NULL;
84	>	LPWKSTA_USER_INFO_0 tmp_buf;
85	>	unsigned long entries_read = 0;
86	>	unsigned long entries_tot = 0;
87	>	unsigned long resumehandle = 0;
88	>	NET_API_STATUS nStatus;
89	>	int i;
90	>	char name[256];
91
92	<	/* First case call */
93	<	if (watermark==-1){
94	<	user_stat.name_list=malloc(START_VAL * sizeof *user_stat.name_list);
95	<	if(user_stat.name_list==NULL){
92	>	do {
93	>	nStatus = NetWkstaUserEnum(NULL, 0, (LPBYTE*)&buf,
94	>	MAX_PREFERRED_LENGTH, &entries_read,
95	>	&entries_tot, &resumehandle);
96	>	if((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA)) {
97	>	if((tmp_buf = buf) == NULL) {
98	>	continue;
99	>	}
100	>	for (i=0; i<entries_read; i++) {
101	>	//assert(tmp_buf != NULL);
102	>	if (tmp_buf == NULL) {
103	>	sg_set_error(SG_ERROR_PERMISSION, "User list");
104	>	break;
105	>	}
106	>	/* It's in unicode. We are not. Convert */
107	>	WideCharToMultiByte(CP_ACP, 0, tmp_buf->wkui0_username, -1, name, sizeof(name), NULL, NULL);
108	>
109	>	new_pos = pos + strlen(name) + 1;
110	>	if(VECTOR_RESIZE(name_list, new_pos) < 0) {
111	>	NetApiBufferFree(buf);
112	>	return NULL;
113	>	}
114	>	strcpy(name_list + pos, name);
115	>	name_list[new_pos - 1] = ' ';
116	>	pos = new_pos;
117	>
118	>	tmp_buf++;
119	>	num_users++;
120	>	}
121	>	} else {
122	>	sg_set_error(SG_ERROR_PERMISSION, "User enum");
123		return NULL;
124		}
125	<	watermark=START_VAL;
126	<	}
125	>	if (buf != NULL) {
126	>	NetApiBufferFree(buf);
127	>	buf=NULL;
128	>	}
129	>	} while (nStatus == ERROR_MORE_DATA);
130	>	if (buf != NULL) {
131	>	NetApiBufferFree(buf);
132	>	}
133	>	#else
134	>	/* This works on everything else. */
135	>	struct utmp *entry;
136
137		setutent();
138		while((entry=getutent()) != NULL) {
139	<	if(entry->ut_type==USER_PROCESS) {
56	<	if(num_users>watermark-1){
57	<	name_ptr=user_stat.name_list;
58	<	if((user_stat.name_list=realloc(user_stat.name_list, (watermark*2* sizeof *user_stat.name_list)))==NULL){
59	<	user_stat.name_list=name_ptr;
60	<	return NULL;
61	<	}
62	<	watermark=watermark*2;
63	<	}
139	>	if (entry->ut_type != USER_PROCESS) continue;
140
141	<	strncpy(user_stat.name_list[num_users], entry->ut_user, MAX_LOGIN_NAME_SIZE);
142	<	/* NULL terminate just in case , the size of user_stat.name_list is MAX_LOGIN_NAME_SIZE+1 */
143	<
68	<	user_stat.name_list[num_users][MAX_LOGIN_NAME_SIZE]='\0';
69	<
70	<	num_users++;
141	>	new_pos = pos + strlen(entry->ut_user) + 1;
142	>	if (VECTOR_RESIZE(name_list, new_pos) < 0) {
143	>	return NULL;
144		}
145	+
146	+	strcpy(name_list + pos, entry->ut_user);
147	+	name_list[new_pos - 1] = ' ';
148	+	pos = new_pos;
149	+	num_users++;
150		}
151		endutent();
152	<	user_stat.num_entries=num_users;
152	>	#endif
153
154	<	return &user_stat;
154	>	/* Remove the extra space at the end, and append a \0. */
155	>	if (num_users != 0) {
156	>	pos--;
157	>	}
158	>	if (VECTOR_RESIZE(name_list, pos + 1) < 0) {
159	>	return NULL;
160	>	}
161	>	name_list[pos] = '\0';
162
163	+	user_stats.num_entries = num_users;
164	+	user_stats.name_list = name_list;
165	+	return &user_stats;
166		}

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