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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 1.19 by tdb, Mon Feb 16 14:55:32 2004 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
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 29 | Line 29
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
#	Line 38 | Line 39
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	<
53	<	#ifdef SOLARIS
47	<	#define MAX_LOGIN_NAME_SIZE 8
52	>	#ifdef HPUX
53	>	#include <utmp.h>
54		#endif
55	<	#if defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
56	<	#define MAX_LOGIN_NAME_SIZE UT_NAMESIZE
55	>	#ifdef WIN32
56	>	#include <windows.h>
57	>	#include <lm.h>
58		#endif
52	–	#if defined(NETBSD) || defined(OPENBSD)
53	–	#define MAX_LOGIN_NAME_SIZE _POSIX_LOGIN_NAME_MAX
54	–	#endif
55	–	#if defined(CYGWIN)
56	–	#define MAX_LOGIN_NAME_SIZE _SC_LOGIN_NAME_MAX
57	–	#endif
59
60	<	#define START_VAL (5*(1+MAX_LOGIN_NAME_SIZE))
61	<
62	<	user_stat_t *get_user_stats(){
63	<	int num_users=0;
64	<
64	<	static user_stat_t user_stats;
65	<	static int size_of_namelist=-1;
66	<	char *tmp;
67	<	#if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN)
68	<	struct utmp *entry;
69	<	#endif
70	<	#ifdef ALLBSD
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;
73	<	#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		}
81	–	size_of_namelist=START_VAL;
82	–	}
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){
113	<	if (entry.ut_name[0] == '\0') continue;
114	<	if((strlen(user_stats.name_list)+MAX_LOGIN_NAME_SIZE+2) > size_of_namelist){
115	<	tmp=user_stats.name_list;
116	<	user_stats.name_list=realloc(user_stats.name_list, 1+(size_of_namelist*2));
117	<	if(user_stats.name_list==NULL){
118	<	user_stats.name_list=tmp;
119	<	return NULL;
120	<	}
121	<	size_of_namelist=1+(size_of_namelist*2);
122	<
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){
133	<	tmp=strrchr(user_stats.name_list, ' ');
134	<	if(tmp!=NULL){
135	<	*tmp='\0';
136	<	user_stats.num_entries=num_users;
137	<	}
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;
141	–
179		}

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