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root/i-scream/projects/libstatgrab/src/libstatgrab/user_stats.c

Comparing projects/libstatgrab/src/libstatgrab/user_stats.c (file contents):
Revision 1.6 by pajs, Sun Mar 2 16:43:48 2003 UTC vs.
Revision 1.29 by tdb, Sat Feb 20 17:55:04 2010 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
#	Line 25 | Line 28
28		#include <stdlib.h>
29		#include <stdio.h>
30		#include <string.h>
28	–	#include <utmp.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>
47	+	#endif
48	+	#endif
49	+	#ifdef CYGWIN
50	+	#include <sys/unistd.h>
51	+	#endif
52	+	#ifdef HPUX
53	+	#include <utmp.h>
54	+	#endif
55	+	#ifdef WIN32
56	+	#include <windows.h>
57	+	#include <lm.h>
58	+	#endif
59
60	<	#define START_VAL (5*(1+MAX_LOGIN_NAME_SIZE))
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;
67
68	<	user_stat_t *get_user_stats(){
69	<	int num_users=0;
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	<	static user_stat_t user_stats;
76	<	static int size_of_namelist=-1;
38	<	char *tmp;
39	<	struct utmp *entry;
40	<
41	<	/* First case call */
42	<	if (size_of_namelist==-1){
43	<	user_stats.name_list=malloc(START_VAL);
44	<	if(user_stats.name_list==NULL){
75	>	new_pos = pos + strlen(entry.ut_name) + 1;
76	>	if (VECTOR_RESIZE(name_list, new_pos) < 0) {
77		return NULL;
78		}
47	–	size_of_namelist=START_VAL;
48	–	}
79
80	<	/* Essentially blank the list, or give it a inital starting string */
81	<	strcpy(user_stats.name_list, "");
82	<	setutent();
83	<	while((entry=getutent()) != NULL) {
84	<	if(entry->ut_type==USER_PROCESS) {
85	<	if((strlen(user_stats.name_list)+MAX_LOGIN_NAME_SIZE+2) > size_of_namelist){
86	<	tmp=user_stats.name_list;
87	<	user_stats.name_list=realloc(user_stats.name_list, 1+(size_of_namelist*2));
88	<	if(user_stats.name_list==NULL){
89	<	user_stats.name_list=tmp;
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	>	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);
118	>	strcpy(name_list + pos, name);
119	>	name_list[new_pos - 1] = ' ';
120	>	pos = new_pos;
121	>
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	+	#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	+	if (entry->ut_type != USER_PROCESS) continue;
149
150	<	strncat(user_stats.name_list, entry->ut_user, MAX_LOGIN_NAME_SIZE);
151	<	strcat(user_stats.name_list, " ");
152	<	num_users++;
150	>	new_pos = pos + strlen(entry->ut_user) + 1;
151	>	if (VECTOR_RESIZE(name_list, new_pos) < 0) {
152	>	return NULL;
153		}
154	+
155	+	strcpy(name_list + pos, entry->ut_user);
156	+	name_list[new_pos - 1] = ' ';
157	+	pos = new_pos;
158	+	num_users++;
159		}
160	+	#ifdef HAVE_UTMPX
161	+	endutxent();
162	+	#else
163		endutent();
164	+	#endif
165	+	#endif
166
167	<	/* We want to remove the last " " */
168	<	tmp=strrchr(user_stats.name_list, ' ');
169	<	*tmp='\0';
170	<	user_stats.num_entries=num_users;
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;
78	–
179		}

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