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root/i-scream/projects/cms/source/ihost/ihost.c

Comparing projects/cms/source/ihost/ihost.c (file contents):
Revision 1.22 by pajs, Tue May 21 16:04:34 2002 UTC vs.
Revision 1.50 by tdb, Sun May 30 17:13:05 2004 UTC

#	Line 1 | Line 1
1		/*
2		* i-scream central monitoring system
3	+	* http://www.i-scream.org
4		* Copyright (C) 2000-2002 i-scream
5		*
6		* This program is free software; you can redistribute it and/or
#	Line 17 | Line 18
18		* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19		*/
20
21	+	#ifdef HAVE_CONFIG_H
22	+	#include "config.h"
23	+	#endif
24	+
25		#include <stdio.h>
26		#include <stdlib.h>
22	–	#include <sys/types.h>
27		#include <unistd.h>
24	–	#include <syslog.h>
25	–	#include <netinet/in.h>
26	–	#include "ukcprog.h"
27	–	#include <netdb.h>
28		#include <string.h>
29	<	#include "statgrab.h"
30	<	#include <time.h>
29	>	#include <sys/types.h>
30		#include <sys/socket.h>
31	<	#include <arpa/inet.h>
32	<	#include <syslog.h>
31	>	#include <stdarg.h>
32	>	#include <errno.h>
33	>	#include <netdb.h>
34	>	#include <netinet/in.h>
35
36	<	#define VERSION_NO "0.8"
37	<	#define RECONFIGURE_RETURN_CODE 2
37	<	#define UDP_MAX_PACKET_SIZE 8192
38	<	#define PID_FILE "/var/tmp/.ihost.pid"
36	>	#include <ukcprog.h>
37	>	#include <statgrab.h>
38
39	<	#define logmessage(level, ...) do { cur_level = level; errf(__VA_ARGS__); } while (0)
39	>	#define LOG_CRIT 0
40	>	#define LOG_ERR 1
41	>	#define LOG_INFO 2
42	>	#define LOG_DEBUG 3
43
44		typedef struct{
45	<	int fm_port;
46	<	char *fm_host;
45	>	int filtermanager_port;
46	>	char *filtermanager_host;
47
48	<	char *my_ip;
49	<	char *my_fqdn;
48	>	char *host_ip;
49	>	char *host_fqdn;
50	>	int preset_fqdn;
51	>	int preset_ip;
52	>
53		char *server_fqdn;
54		int server_udp_port;
55	<	int server_tcp_port;
55	>
56	>	/* Weird stuff iscream wants sent to it */
57		char *last_modified;
58	<	char *files_list;
59	<	char *key;
58	>	char *file_list;
59	>
60		int udp_update_time;
61	<	int tcp_update_time;
61	>	//      int config_ttl;
62
63	+	time_t config_ttl;
64	+
65		}ihost_state_t;
66
67	<	static int log_level;
68	<	static int cur_level;
69	<	static int syslog_logging;
67	>	typedef struct{
68	>	int verbose;
69	>	int daemon;
70
71	<	void log_errors(const char *message){
72	<	if(log_level>=cur_level){
73	<	if (syslog_logging==1){
74	<	syslog(cur_level, "%s\n", message);
71	>	FILE *log;
72	>	}ihost_config_t;
73	>
74	>	typedef struct{
75	>	struct sockaddr_in addr;
76	>	int sock;
77	>	}udp_sockinfo_t;
78	>
79	>	ihost_config_t ihost_config;
80	>
81	>	extern int errno;
82	>
83	>	/* Taken from the OpenSSH code. Its licence included in function.*/
84	>	#ifndef HAVE_STRLCAT
85	>
86	>	/*
87	>	* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
88	>	* All rights reserved.
89	>	*
90	>	* Redistribution and use in source and binary forms, with or without
91	>	* modification, are permitted provided that the following conditions
92	>	* are met:
93	>	* 1. Redistributions of source code must retain the above copyright
94	>	*    notice, this list of conditions and the following disclaimer.
95	>	* 2. Redistributions in binary form must reproduce the above copyright
96	>	*    notice, this list of conditions and the following disclaimer in the
97	>	*    documentation and/or other materials provided with the distribution.
98	>	* 3. The name of the author may not be used to endorse or promote products
99	>	*    derived from this software without specific prior written permission.
100	>	*
101	>	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
102	>	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
103	>	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
104	>	* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
105	>	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
106	>	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
107	>	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
108	>	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
109	>	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
110	>	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
111	>	*/
112	>
113	>	/*
114	>	* Appends src to string dst of size siz (unlike strncat, siz is the
115	>	* full size of dst, not space left).  At most siz-1 characters
116	>	* will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
117	>	* Returns strlen(src) + MIN(siz, strlen(initial dst)).
118	>	* If retval >= siz, truncation occurred.
119	>	*/
120	>	size_t
121	>	strlcat(dst, src, siz)
122	>	char *dst;
123	>	const char *src;
124	>	size_t siz;
125	>	{
126	>	register char *d = dst;
127	>	register const char *s = src;
128	>	register size_t n = siz;
129	>	size_t dlen;
130	>
131	>	/* Find the end of dst and adjust bytes left but don't go past end */
132	>	while (n-- != 0 && *d != '\0')
133	>	d++;
134	>	dlen = d - dst;
135	>	n = siz - dlen;
136	>
137	>	if (n == 0)
138	>	return(dlen + strlen(s));
139	>	while (*s != '\0') {
140	>	if (n != 1) {
141	>	*d++ = *s;
142	>	n--;
143	>	}
144	>	s++;
145	>	}
146	>	*d = '\0';
147	>
148	>	return(dlen + (s - src));       /* count does not include NUL */
149	>	}
150	>
151	>	#endif
152	>	/* End strlcat function taken from OpenSSH */
153	>
154	>	void log_msg(int level, char *format, ...){
155	>	int cur_errno;
156	>	va_list ap;
157	>
158	>	cur_errno=errno;
159	>
160	>	if(level<=ihost_config.verbose){
161	>	va_start(ap, format);
162	>	vfprintf(ihost_config.log, format, ap);
163	>	va_end(ap);
164	>	if(level==LOG_CRIT){
165	>	fprintf(ihost_config.log, " (%s)\n", strerror(cur_errno));
166		}else{
167	<	fprintf(stderr, "%s\n", message);
167	>	fprintf(ihost_config.log, "\n");
168		}
169	<	}
169	>	fflush(ihost_config.log);
170	>	}
171		}
172
173	<	char* sock_comm(FILE *f_r, FILE *f_w, char *sendString){
74	<	char *reply;
75	<	logmessage(LOG_DEBUG, "Sending %s",sendString);
76	<	fprintf(f_w, "%s\n", sendString);
77	<	fflush(f_w);
78	<	reply=fpgetline(f_r);
79	<	if (reply!=NULL) logmessage(LOG_DEBUG, "Received %s", reply);
80	<	/* Returns pointer to static buffer */
81	<	return reply;
82	<	}
173	>	int create_udp_sockinfo(udp_sockinfo_t *udp_sockinfo, char *hostname, int port){
174
175	<	int ihost_configure(ihost_state_t *ihost_state){
85	<	struct sockaddr_in addr;
86	<	struct in_addr haddr;
87	<	struct sockaddr ip;
88	<	int ip_len;
89	<	int sd;
90	<	FILE *fm_fd_r, *fm_fd_w;
91	<	char *reply;
92	<	char *reply_ptr;
175	>	struct in_addr haddr;
176
177	<	/* Check to see if anything needs to be free'd */
178	<	if (ihost_state->my_fqdn!=NULL) free(ihost_state->my_fqdn);
179	<	if (ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
180	<	if (ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
181	<	if (ihost_state->files_list!=NULL) free(ihost_state->files_list);
177	>	log_msg(LOG_DEBUG, "Resolving name for udp connection");
178	>	if(get_host_addr(hostname, &haddr) != 0){
179	>	log_msg(LOG_CRIT, "Failed to lookup name");
180	>	return 1;
181	>	}
182
183	<	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->fm_host, ihost_state->fm_port);
184	<	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
185	<	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
103	<	return -1;
104	<	}
105	<
106	<	if (get_host_addr(ihost_state->fm_host, &haddr) != 0){
107	<	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->fm_host);
108	<	return -1;
183	>	if((udp_sockinfo->sock=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
184	>	log_msg(LOG_CRIT, "Failed to create UDP socket");
185	>	return 1;
186		}
187
188	<	memset(&addr, 0, sizeof addr);
189	<	addr.sin_family = AF_INET;
190	<	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
191	<	addr.sin_port =  htons(ihost_state->fm_port);
188	>	memset(&(udp_sockinfo->addr), 0, sizeof(struct sockaddr_in));
189	>	udp_sockinfo->addr.sin_family=AF_INET;
190	>	memcpy((char *)&(udp_sockinfo->addr.sin_addr), &haddr, sizeof(haddr));
191	>	udp_sockinfo->addr.sin_port = htons(port);
192
193	<	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
194	<	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
195	<	return -1;
193	>	log_msg(LOG_DEBUG, "Socket created");
194	>	return 0;
195	>	}
196	>
197	>	FILE *create_tcp_connection(char *hostname, int port){
198	>	int sock;
199	>	struct sockaddr_in addr;
200	>	struct in_addr haddr;
201	>	FILE *f;
202	>
203	>	log_msg(LOG_DEBUG, "Creating tcp socket");
204	>	if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))<0){
205	>	log_msg(LOG_CRIT, "Failed to make TCP Socket");
206	>	return NULL;
207		}
208
209	<	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
210	<	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
211	<	logmessage(LOG_ERR, "Failed to open read stream (%m)");
212	<	return -1;
209	>	if((get_host_addr(hostname, &haddr))!=0){
210	>	log_msg(LOG_CRIT, "Failed to lookup name for %s", hostname);
211	>	close(sock);
212	>	return NULL;
213		}
214
215	<	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
216	<	logmessage(LOG_ERR, "Failed to open write stream (%m)");
217	<	return -1;
215	>	memset(&addr, 0, sizeof(addr));
216	>	addr.sin_family = AF_INET;
217	>	memcpy(&addr.sin_addr, &haddr, sizeof(haddr));
218	>	addr.sin_port = htons(port);
219	>
220	>	log_msg(LOG_DEBUG, "Creating a tcp connection");
221	>	if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) !=0){
222	>	log_msg(LOG_CRIT, "Failed to connect to hostname %s on port %d", hostname, port);
223	>	close(sock);
224	>	return NULL;
225		}
226	<	ip_len=sizeof ip;
227	<	memset(&ip, 0, ip_len);
228	<	if((getsockname(sd, &ip, &ip_len)) != 0){
229	<	logmessage(LOG_ERR, "Failed to get IP address (%m)");
230	<	return -1;
226	>
227	>	if((f=fdopen(sock, "r+"))==NULL){
228	>	log_msg(LOG_CRIT, "Failed to connect to open filedescriptor on tcp connection");
229	>	close(sock);
230	>	return NULL;
231		}
232	<	if (ip.sa_family!=AF_INET){
233	<	logmessage(LOG_ERR, "sa family is wrong type");
232	>
233	>	return f;
234	>	}
235	>
236	>	int tcp_comm(FILE *f, char *send, char **response, char *expected){
237	>
238	>	log_msg(LOG_DEBUG, "Sending %s", send);
239	>	fprintf(f, "%s\n", send);
240	>	fflush(f);
241	>	*response=fpgetline(f);
242	>	fseek(f, 0, SEEK_CUR);
243	>
244	>	if(*response!=NULL) log_msg(LOG_DEBUG, "Received %s", *response);
245	>
246	>	if( (*response==NULL) || (strcmp(*response, "ERROR")==0) ) return -1;
247	>
248	>	if(expected==NULL) return 0;
249	>
250	>	if((strcmp(expected, *response))==0) return 0;
251	>
252	>	log_msg(LOG_DEBUG, "Did not get expected response");
253	>	return -1;
254	>	}
255	>
256	>	int tcp_comm_strdup(FILE *f, char *send, char **response, char *expected){
257	>	if((tcp_comm(f, send, response, expected))!=0){
258		return -1;
259		}
260	+
261	+	*response=strdup(*response);
262	+	if (response==NULL) return -1;
263	+
264	+	return 0;
265	+	}
266
267	<	if((ihost_state->my_ip=strdup(inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr)))==NULL){
268	<	logmessage(LOG_ERR, "Failed to get IP (%m)");
267	>	int ihost_getconfig(ihost_state_t *ihost_state){
268	>
269	>	FILE *tcp_con;
270	>	char *response;
271	>	char *response_ptr;
272	>
273	>	/* Keep these in case of a failure and so it can keep running on the old config */
274	>	char *file_list=NULL;
275	>	char *last_modified=NULL;
276	>	char *host_fqdn=NULL;
277	>	char *host_ip=NULL;
278	>	int udp_update_time=0;
279	>	char *server_fqdn=NULL;
280	>	int server_udp_port=0;
281	>	time_t config_ttl=0;
282	>
283	>	if((tcp_con=create_tcp_connection(ihost_state->filtermanager_host, ihost_state->filtermanager_port))==NULL){
284		return -1;
145	–	}
146	–
147	–	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
148	–	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
149	–	logmessage(LOG_ERR, "Server error on STARTCONFIG");
150	–	return -1;
285		}
286
287	<	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED");
288	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
289	<	logmessage(LOG_ERR, "Server error on LASTMODIFIED (%m)");
290	<	return -1;
287	>	if(ihost_state->file_list!=NULL || ihost_state->last_modified!=NULL){
288	>	if(tcp_con==NULL){
289	>	goto error;
290	>	}
291	>
292	>	if((tcp_comm(tcp_con, "CHECKCONFIG", &response, "OK"))!=0){
293	>	goto error;
294	>	}
295	>
296	>	if((tcp_comm(tcp_con, ihost_state->file_list, &response, "OK"))!=0){
297	>	goto error;
298	>	}
299	>
300	>	if((tcp_comm(tcp_con, ihost_state->last_modified, &response, "OK"))==0){
301	>	if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){
302	>	goto error;
303	>	}
304	>	fclose(tcp_con);
305	>	return 0;
306	>	}else{
307	>	if((strcmp(response, "EXPIRED"))!=0){
308	>	goto error;
309	>	}
310	>	}
311		}
158	–	if((ihost_state->last_modified=strdup(reply)) == NULL){
159	–	logmessage(LOG_ERR, "strdup failed (%m)");
160	–	return -1;
161	–	}
312
313	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST");
314	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
315	<	logmessage(LOG_ERR, "Server error on FILELIST (%m)");
316	<	return -1;
313	>	/* If we got to here, the config must of expired */
314	>
315	>	if((tcp_comm(tcp_con, "STARTCONFIG", &response, "OK"))!=0){
316	>	goto error;
317		}
168	–	if((ihost_state->files_list=strdup(reply)) == NULL){
169	–	logmessage(LOG_ERR, "strdup failed (%m)");
170	–	return -1;
171	–	}
318
319	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN");
320	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
175	<	logmessage(LOG_ERR, "Server error on FQDN (%m)");
176	<	return -1;
319	>	if((tcp_comm_strdup(tcp_con, "LASTMODIFIED", &response, NULL))!=0){
320	>	goto error;
321		}
322	<	if((ihost_state->my_fqdn=strdup(reply)) == NULL){
323	<	logmessage(LOG_ERR, "strdup failed (%m)");
324	<	return -1;
322	>	last_modified=response;
323	>
324	>	if((tcp_comm_strdup(tcp_con, "FILELIST", &response, NULL))!=0){
325	>	goto error;
326		}
327	+	file_list=response;
328
329	<	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime");
330	<	if(reply== NULL){
185	<	logmessage(LOG_ERR, "Server error (%m)");
186	<	return -1;
329	>	if((tcp_comm_strdup(tcp_con, "FQDN", &response, NULL))!=0){
330	>	goto error;
331		}
332	<	if (strncasecmp(reply, "ERROR", 5) != 0){
333	<	ihost_state->udp_update_time=atoi(reply);
332	>	host_fqdn=response;
333	>
334	>	if((tcp_comm_strdup(tcp_con, "IP", &response, NULL))!=0){
335	>	goto error;
336		}
337	<
338	<	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime");
339	<	if(reply== NULL){
340	<	logmessage(LOG_ERR, "Server error on TCPUpdateTime (%m)");
195	<	return -1;
337	>	host_ip=response;
338	>
339	>	if((tcp_comm(tcp_con, "UDPUpdateTime", &response, NULL))!=0){
340	>	goto error;
341		}
342	<	if (strncasecmp(reply, "ERROR", 5) != 0){
343	<	ihost_state->tcp_update_time=atoi(reply);
342	>	udp_update_time=atoi(response);
343	>
344	>	if((tcp_comm(tcp_con, "ConfigTTL", &response, NULL))!=0){
345	>	goto error;
346		}
347	+	config_ttl=atoi(response);
348
349	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG");
350	<	if(reply== NULL){
203	<	logmessage(LOG_ERR, "Server error on ENDCONFIG (%m)");
204	<	return -1;
349	>	if((tcp_comm(tcp_con, "ENDCONFIG", &response, NULL))!=0){
350	>	goto error;
351		}
352
353	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
354	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
355	<	logmessage(LOG_ERR, "Server error FILTER failed (%m)");
356	<	return -1;
353	>	if((tcp_comm(tcp_con, "FILTER", &response, NULL))!=0){
354	>	goto error;
355	>	}else{
356	>	response_ptr=strchr(response,';');
357	>	if(response_ptr==NULL){
358	>	log_msg(LOG_ERR, "Incorrect data sent by server");
359	>	goto error;
360	>	}
361	>	*response_ptr='\0';
362	>	server_fqdn=strdup(response);
363	>	if(server_fqdn==NULL){
364	>	goto error;
365	>	}
366	>	response_ptr++;
367	>	if(response_ptr==NULL){
368	>	log_msg(LOG_ERR, "Incorrect data sent by server");
369	>	goto error;
370	>	}
371	>
372	>	server_udp_port=atoi(response_ptr);
373	>
374	>	if (server_udp_port==0){
375	>	log_msg(LOG_ERR, "Incorrect data sent by server");
376	>	goto error;
377	>	}
378		}
379	<	reply_ptr=strchr(reply,';');
380	<	if (reply_ptr==NULL){
381	<	logmessage(LOG_ERR, "Incorrect data returned");
215	<	return -1;
379	>
380	>	if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){
381	>	goto error;
382		}
217	–	*reply_ptr='\0';
218	–	if((ihost_state->server_fqdn=strdup(reply)) == NULL){
219	–	logmessage(LOG_ERR, "strdup failed (%m)");
220	–	return -1;
221	–	}
222	–	reply=reply_ptr + 1;
223	–	reply_ptr=strchr(reply,';');
224	–	if (reply_ptr==NULL){
225	–	logmessage(LOG_ERR, "Incorrect data returned 2");
226	–	return -1;
227	–	}
228	–	*reply_ptr='\0';
229	–	ihost_state->server_udp_port=atoi(reply);
230	–	reply=reply_ptr+1;
231	–	ihost_state->server_tcp_port=atoi(reply);
232	–	if ((ihost_state->server_tcp_port==0) || (ihost_state->server_udp_port==0)){
233	–	logmessage(LOG_ERR, "Incorrect data returned 3 ");
234	–	return -1;
235	–	}
383
384	<	reply=sock_comm(fm_fd_r, fm_fd_w, "END");
385	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
386	<	logmessage(LOG_ERR, "Server error on END (%m)");
387	<	return -1;
384	>	fclose(tcp_con);
385	>
386	>	/* We have the data we need, and its all been read correctly */
387	>
388	>	/* Free the old data before pointing them to the new data. m_free copes should
389	>	* this already be NULL */
390	>	if(ihost_state->file_list!=NULL) free(ihost_state->file_list);
391	>	if(ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
392	>	if(ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
393	>
394	>	if(ihost_state->preset_fqdn){
395	>	if(host_fqdn != NULL) free(host_fqdn);
396	>	}else{
397	>	if(ihost_state->host_fqdn!=NULL) free(ihost_state->host_fqdn);
398	>	ihost_state->host_fqdn=host_fqdn;
399		}
400
401	<	if(fclose(fm_fd_r) !=0){
402	<	logmessage(LOG_ERR, "Failed to close read FD (%m)");
403	<	return -1;
401	>	if(ihost_state->preset_ip){
402	>	if(host_ip != NULL) free(host_ip);
403	>	}else{
404	>	if(ihost_state->host_ip!=NULL) free(ihost_state->host_ip);
405	>	ihost_state->host_ip=host_ip;
406		}
247	–	if(fclose(fm_fd_w) !=0){
248	–	logmessage(LOG_ERR, "Failed to close write FD (%m)");
249	–	return -1;
250	–	}
407
408	+
409	+	ihost_state->file_list=file_list;
410	+	ihost_state->last_modified=last_modified;
411	+	ihost_state->server_fqdn=server_fqdn;
412	+	ihost_state->server_udp_port=server_udp_port;
413	+	ihost_state->udp_update_time=udp_update_time;
414	+	ihost_state->config_ttl=config_ttl;
415	+
416	+	log_msg(LOG_DEBUG, "UDP Update time %d", udp_update_time);
417	+	log_msg(LOG_DEBUG, "Configure ttl %d", config_ttl);
418	+
419		return 0;
253	–	}
420
421	<	int heartbeat(ihost_state_t *ihost_state){
256	<	struct sockaddr_in addr;
257	<	struct in_addr haddr;
258	<	int sd;
259	<	FILE *fm_fd_r, *fm_fd_w;
260	<	char *reply;
261	<	int exitcode=0;
421	>	error:
422
423	<	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->server_fqdn, ihost_state->server_tcp_port);
424	<	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
425	<	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
426	<	return -1;
427	<	}
423	>	if(file_list!=NULL) free(file_list);
424	>	if(last_modified!=NULL) free(last_modified);
425	>	if(host_fqdn!=NULL) free(host_fqdn);
426	>	if(server_fqdn!=NULL) free(server_fqdn);
427	>	if(host_ip!=NULL) free(host_ip);
428	>	fclose(tcp_con);
429
430	<	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
431	<	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
271	<	return -1;
272	<	}
430	>	return -1;
431	>	}
432
433	<	memset(&addr, 0, sizeof addr);
434	<	addr.sin_family = AF_INET;
435	<	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
436	<	addr.sin_port =  htons(ihost_state->server_tcp_port);
433	>	int get_system_stats(int seq_no, ihost_state_t *ihost_state, char *xml, int size){
434	>	char tmp[size];
435	>	sg_cpu_percents *cpu_percent;
436	>	sg_mem_stats *mem_stats;
437	>	sg_load_stats *load_stats;
438	>	sg_user_stats *user_stats;
439	>	sg_swap_stats *swap_stats;
440	>	sg_host_info *general_stats;
441	>	sg_fs_stats *disk_stats;
442	>	sg_disk_io_stats *diskio_stats;
443	>	sg_process_count *process_stats;
444	>	sg_network_io_stats *network_stats;
445	>	sg_page_stats *page_stats;
446	>	int disk_entries=0;
447	>	int diskio_entries=0;
448	>	int network_entries=0;
449
450	<	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
451	<	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->server_fqdn, ihost_state->server_tcp_port);
452	<	return -1;
282	<	}
450	>	int counter;
451	>	long long x;
452	>	long long y;
453
454	<	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
455	<	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
456	<	logmessage(LOG_ERR, "Failed to open stream (%m)");
287	<	return -1;
288	<	}
454	>	/* Print start of the packet we want */
455	>	snprintf(xml, size, "<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\">", \
456	>	seq_no, ihost_state->host_fqdn, time(NULL), ihost_state->host_ip);
457
458	<	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
459	<	logmessage(LOG_ERR, "Failed to open stream (%m)");
460	<	return -1;
461	<	}
458	>	/* Get cpu stats, check it is correct, then fill in its entry for the xml */
459	>	if((cpu_percent=sg_get_cpu_percents())==NULL){
460	>	log_msg(LOG_CRIT, "Failed to get cpu statistics");
461	>	}else{
462	>	snprintf(tmp, size, \
463	>	"<cpu><user>%3.2f</user><kernel>%3.2f</kernel><idle>%3.2f</idle><iowait>%3.2f</iowait><swap>%3.2f</swap></cpu>", \
464	>	cpu_percent->user, \
465	>	cpu_percent->kernel, \
466	>	cpu_percent->idle, \
467	>	cpu_percent->iowait, \
468	>	cpu_percent->swap);
469
470	<	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT");
471	<	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
297	<	logmessage(LOG_ERR, "Server error on HEARTBEAT");
298	<	return -1;
299	<	}
470	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
471	>	}
472
473	<	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
474	<	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
475	<	logmessage(LOG_ERR, "Server error on CONFIG");
476	<	return -1;
477	<	}
473	>
474	>	/*Get mem stats, and fill in xml */
475	>	if((mem_stats=sg_get_mem_stats())==NULL){
476	>	log_msg(LOG_CRIT, "Failed to get memory statistics");
477	>	}else{
478	>	snprintf(tmp, size, \
479	>	"<memory><total>%lld</total><free>%lld</free><used>%lld</used><cache>%lld</cache></memory>", \
480	>	mem_stats->total, \
481	>	mem_stats->free, \
482	>	mem_stats->used, \
483	>	mem_stats->cache);
484	>
485	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
486	>	}
487
307	–	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list);
308	–	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
309	–	logmessage(LOG_ERR, "Server error on fileslist");
310	–	return -1;
311	–	}
488
489	<	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->last_modified);
490	<	if (reply==NULL) {
491	<	logmessage(LOG_ERR, "Server error NULL recieved on lastmodified");
492	<	return -1;
493	<	}
494	<	if (strncasecmp(reply, "ERROR", 5) == 0){
495	<	/* Means the config has changed */
496	<	logmessage(LOG_INFO, "Recieved ERROR from server for a reconfigure required");
497	<	exitcode=RECONFIGURE_RETURN_CODE;
489	>	/* Get load stats */
490	>	if((load_stats=sg_get_load_stats())==NULL){
491	>	log_msg(LOG_CRIT, "Failed to get load statistics");
492	>	}else{
493	>	snprintf(tmp, size, \
494	>	"<load><load1>%.2lf</load1><load5>%.2lf</load5><load15>%.2lf</load15></load>", \
495	>	load_stats->min1, \
496	>	load_stats->min5, \
497	>	load_stats->min15);
498	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
499		}
500
324	–	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY");
325	–	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
326	–	logmessage(LOG_ERR, "Server error on KEY");
327	–	return -1;
328	–	}
329	–	if (ihost_state->key!=NULL) free(ihost_state->key);
330	–
331	–	if((ihost_state->key=strdup(reply)) == NULL){
332	–	logmessage(LOG_ERR, "strdup failed (%m)");
333	–	return -1;
334	–	}
501
502	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT");
503	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
504	<	logmessage(LOG_ERR, "Server error on ENDHEARTBEAT (%m)");
505	<	return -1;
506	<	}
502	>	/* get user stats */
503	>
504	>	if((user_stats=sg_get_user_stats())==NULL){
505	>	log_msg(LOG_CRIT, "Failed to get user statistics");
506	>	}else{
507
508	<	fflush(fm_fd_r);
509	<	fflush(fm_fd_w);
508	>	snprintf(tmp, size, \
509	>	"<users><list>%s</list><count>%d</count></users>", \
510	>	user_stats->name_list, \
511	>	user_stats->num_entries);
512	>
513	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
514	>	}
515
345	–	if(fclose(fm_fd_r) !=0){
346	–	logmessage(LOG_ERR, "Failed to close read FD (%m)");
347	–	return -1;
348	–	}
349	–	if(fclose(fm_fd_w) !=0){
350	–	logmessage(LOG_ERR, "Failed to close write FD (%m)");
351	–	return -1;
352	–	}
516
517	<	return exitcode;
518	<	}
517	>	/* swap stats */
518	>	if((swap_stats=sg_get_swap_stats())==NULL){
519	>	log_msg(LOG_CRIT, "Failed to get swap statistics");
520	>	}else{
521	>	snprintf(tmp, size, \
522	>	"<swap><total>%lld</total><used>%lld</used><free>%lld</free></swap>",\
523	>	swap_stats->total, \
524	>	swap_stats->used, \
525	>	swap_stats->free);
526	>
527	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
528	>	}
529
357	–	char *stat_grab(ihost_state_t *ihost_state, int counter){
358	–	#define NUM_STATS 9
359	–	char *stats[NUM_STATS];
360	–	char *xml_data=NULL;
361	–	char *xml_data_p;
362	–	int xml_size=0;
363	–	int x=0;
530
531	<	logmessage(LOG_DEBUG,"get_cpu_stats");
366	<	stats[0]=get_cpu_stats();
367	<	logmessage(LOG_DEBUG,"get_disk_stats");
368	<	stats[1]=get_disk_stats();
369	<	logmessage(LOG_DEBUG,"get_load_stats");
370	<	stats[2]=get_load_stats();
371	<	logmessage(LOG_DEBUG,"get_memory_stats");
372	<	stats[3]=get_memory_stats();
373	<	logmessage(LOG_DEBUG,"get_os_info");
374	<	stats[4]=get_os_info();
375	<	logmessage(LOG_DEBUG,"get_page_stats");
376	<	stats[5]=get_page_stats();
377	<	logmessage(LOG_DEBUG,"get_process_stats");
378	<	stats[6]=get_process_stats();
379	<	logmessage(LOG_DEBUG,"get_swap_stats");
380	<	stats[7]=get_swap_stats();
381	<	logmessage(LOG_DEBUG,"get_user_stats");
382	<	stats[8]=get_user_stats();
531	>	/* general stats */
532
533	+	if((general_stats=sg_get_host_info())==NULL){
534	+	log_msg(LOG_CRIT, "Failed to get general statistics");
535	+	}else{
536	+	snprintf(tmp, size, \
537	+	"<os><name>%s</name><release>%s</release><version>%s</version><sysname>%s</sysname><platform>%s</platform><uptime>%ld</uptime></os>", \
538	+	general_stats->os_name, \
539	+	general_stats->os_release, \
540	+	general_stats->os_version, \
541	+	general_stats->hostname, \
542	+	general_stats->platform, \
543	+	(long)general_stats->uptime);
544	+
545	+	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
546	+
547	+	}
548
549	<	for(x=0;x<NUM_STATS;x++){
550	<	if(stats[x]==NULL){
551	<	logmessage(LOG_ERR,"Function returned NULL");
552	<	return NULL;
549	>
550	>	/* process stats */
551	>	if((process_stats=sg_get_process_count())==NULL){
552	>	log_msg(LOG_CRIT, "Failed to get general statistics");
553	>	}else{
554	>	snprintf(tmp, size, \
555	>	"<processes><sleeping>%d</sleeping><cpu>%d</cpu><zombie>%d</zombie><stopped>%d</stopped><total>%d</total></processes>",\
556	>	process_stats->sleeping, \
557	>	process_stats->running, \
558	>	process_stats->zombie, \
559	>	process_stats->stopped, \
560	>	process_stats->total);
561	>
562	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
563	>
564	>	}
565	>
566	>
567	>	/* Get paging stats */
568	>	if((page_stats=sg_get_page_stats_diff())==NULL){
569	>	log_msg(LOG_CRIT, "Failed to get paging statistics");
570	>	}else{
571	>	if(page_stats->systime!=0){
572	>	x=page_stats->pages_pagein / page_stats->systime;
573	>	y=page_stats->pages_pageout / page_stats->systime;
574	>	}else{
575	>	x=page_stats->pages_pagein;
576	>	y=page_stats->pages_pageout;
577		}
578	<	xml_size+=strlen(stats[x]);
578	>	snprintf(tmp, size, \
579	>	"<pages><pageins>%lld</pageins><pageouts>%lld</pageouts></pages>", \
580	>	x, \
581	>	y);
582	>
583	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
584		}
585
586	<	xml_data=malloc(xml_size+1);
587	<	xml_data=strcpy(xml_data, stats[0]);
588	<	free(stats[0]);
589	<	for(x=1;x<NUM_STATS;x++){
590	<	strcat(xml_data, stats[x]);
591	<	free(stats[x]);
586	>
587	>	/* get diskio stats */
588	>
589	>	if((diskio_stats=sg_get_disk_io_stats_diff(&diskio_entries))==NULL){
590	>	log_msg(LOG_CRIT, "Failed to get diskio statistics");
591	>	}else{
592	>	strlcat(xml, "<diskio>", size);
593	>	for(counter=0;counter<diskio_entries;counter++){
594	>
595	>	if(diskio_stats->systime!=0){
596	>	x=diskio_stats->read_bytes / diskio_stats->systime;
597	>	y=diskio_stats->write_bytes / diskio_stats->systime;
598	>	}else{
599	>	x=diskio_stats->read_bytes;
600	>	y=diskio_stats->write_bytes;
601	>	}
602	>
603	>	snprintf(tmp, size, \
604	>	"<p%d name=\"%s\" rbytes=\"%lld\" wbytes=\"%lld\"></p%d>", \
605	>	counter, \
606	>	diskio_stats->disk_name, \
607	>	x, \
608	>	y, \
609	>	counter);
610	>
611	>	strlcat(xml, tmp, size);
612	>	diskio_stats++;
613	>	}
614	>
615	>	if(strlcat(xml, "</diskio>", size) >= size) goto too_big_error;
616	>
617		}
618
619	<	xml_data_p=xml_data;
620	<	xml_data=strf("<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\" key=\"%s\">%s</packet>", counter, ihost_state->my_fqdn, time(NULL), ihost_state->my_ip, ihost_state->key, xml_data);
621	<	free(xml_data_p);
619	>
620	>	/* get networks stats */
621	>
622	>	if((network_stats=sg_get_network_io_stats_diff(&network_entries))==NULL){
623	>	log_msg(LOG_CRIT, "Failed to get network statistics");
624	>	}else{
625	>	strlcat(xml, "<net>", size);
626	>	for(counter=0;counter<network_entries;counter++){
627	>	if(network_stats->systime!=0){
628	>	x=network_stats->rx / network_stats->systime;
629	>	y=network_stats->tx / network_stats->systime;
630	>	}else{
631	>	x=network_stats->rx;
632	>	y=network_stats->tx;
633	>	}
634
635	<	logmessage(LOG_DEBUG,"Generated XML Data of : %s", xml_data);
636	<	return xml_data;
637	<	}
635	>	snprintf(tmp, size, \
636	>	"<p%d name=\"%s\" rx=\"%lld\" tx=\"%lld\"></p%d>", \
637	>	counter, \
638	>	network_stats->interface_name, \
639	>	x, \
640	>	y, \
641	>	counter);
642
643	<	int send_stats(ihost_state_t *ihost_state, char *data_stream){
644	<	struct sockaddr_in addr;
645	<	struct in_addr haddr;
643	>	strlcat(xml, tmp, size);
644	>	network_stats++;
645	>	}
646
647	<	int sd;
414	<	size_t len;
647	>	if(strlcat(xml, "</net>", size) >= size) goto too_big_error;
648
416	–	len=strlen(data_stream);
417	–	if(len>UDP_MAX_PACKET_SIZE){
418	–	logmessage(LOG_ERR, "Too big to send to server. Please reconfigure client and server and recompile");
419	–	exit(1);
649		}
421	–	logmessage(LOG_DEBUG,"Resolving IP of server");
422	–	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
423	–	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
424	–	return -1;
425	–	}
426	–	logmessage(LOG_DEBUG,"Creating UDP socket to %s on %d",ihost_state->server_fqdn, ihost_state->server_udp_port);
427	–	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
428	–	logmessage(LOG_ERR, "failed to create UDP socket (%m)");
429	–	return -1;
430	–	}
650
432	–	memset(&addr, 0, sizeof(addr));
433	–	addr.sin_family=AF_INET;
434	–	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
435	–	addr.sin_port =  htons(ihost_state->server_udp_port);
651
652	<	logmessage(LOG_INFO,"Sending packet : %s", data_stream);
653	<	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
654	<	logmessage(LOG_ERR, "Send the wrong number of bytes (%m)");
655	<	return -1;
652	>	/* get disk stats */
653	>
654	>	if((disk_stats=sg_get_fs_stats(&disk_entries))==NULL){
655	>	log_msg(LOG_CRIT, "Failed to get disk statistics");
656	>	}else{
657	>	strlcat(xml, "<disk>", size);
658	>	for(counter=0;counter<disk_entries;counter++){
659	>	snprintf(tmp, size, \
660	>	"<p%d name=\"%s\" mount=\"%s\" fstype=\"%s\" total=\"%lld\" used=\"%lld\" avail=\"%lld\" totalinodes=\"%lld\" usedinodes=\"%lld\" freeinodes=\"%lld\"></p%d>", \
661	>	counter, \
662	>	disk_stats->device_name, \
663	>	disk_stats->mnt_point, \
664	>	disk_stats->fs_type, \
665	>	disk_stats->size, \
666	>	disk_stats->used, \
667	>	disk_stats->avail, \
668	>	disk_stats->total_inodes, \
669	>	disk_stats->used_inodes, \
670	>	disk_stats->free_inodes, \
671	>	counter);
672	>
673	>	strlcat(xml, tmp, size);
674	>
675	>	disk_stats++;
676	>	}
677	>
678	>	if(strlcat(xml, "</disk>", size) >= size) goto too_big_error;
679	>
680		}
681	+
682
683	<	close(sd);
683	>	if(strlcat(xml, "</packet>", size) >= size) goto too_big_error;
684
685	<	return 0;
685	>	/*If we got to here, it should of all been filled in nicely now */
686	>	return 0;
687	>
688	>	too_big_error:
689	>	log_msg(LOG_ERR, "UDP Packet is too large. Throwing away the packet");
690	>	return -1;
691		}
692
693	+
694	+
695		void usage(char *progname){
696	<	fprintf(stderr, "Usage %s [options] server port\n", progname);
697	<	fprintf(stderr, "Options\n");
698	<	fprintf(stderr, "  -v           Verbose, the more v flags the more verbose, eg -vv\n");
699	<	fprintf(stderr, "  -d           Daemon mode, self backgrounding\n");
700	<	fprintf(stderr, "  -s           Send errors to syslog\n");
701	<	fprintf(stderr, "  -V           Print version number\n");
702	<	fprintf(stderr, "  -h           Prints this help page\n");
703	<	exit(1);
696	>	fprintf(stderr, "Usage %s [-v[v]] [-f] [-n name] [-i ip] [-s server] [-p port] [-V] [-h]\n\n", progname);
697	>	fprintf(stderr, "  -v    Verbose mode, -vv would make even more verbose\n");
698	>	fprintf(stderr, "  -f    Foreground mode, print errors to stderr\n");
699	>	fprintf(stderr, "  -n    Set the machine name to be reported as\n");
700	>	fprintf(stderr, "  -i    Set the IP to be reported as\n");
701	>	fprintf(stderr, "  -s    Specifies the i-scream server to connect to\n");
702	>	fprintf(stderr, "          default: %s\n", DEF_SERVER_NAME);
703	>	fprintf(stderr, "  -p    Specifies the i-scream server port\n");
704	>	fprintf(stderr, "          default: %d\n", DEF_SERVER_PORT);
705	>	fprintf(stderr, "  -V    Print version number\n");
706	>	fprintf(stderr, "  -h    Prints this help page\n");
707	>	fprintf(stderr, "\nReport bugs to <%s>.\n", PACKAGE_BUGREPORT);
708	>	exit(1);
709		}
710
711		int main(int argc, char **argv){
712	+
713		ihost_state_t ihost_state;
714	<	int heartbeat_exit;
715	<	int counter=0;
463	<	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
464	<	int sleep_delay=0;
465	<	char *xml_stats;
466	<	pid_t pid;
714	>	udp_sockinfo_t udp_sockinfo;
715	>
716		int cmdopt;
717		extern int optind;
718	<	int verbose=0, daemon=0;
470	<	extern int syslog_logging;
471	<	extern int log_level;
472	<	extern int cur_level;
718	>	pid_t pid;
719		FILE *f;
720	+	int packet_num=0;
721	+	int len;
722
723	<	log_level=1;
476	<	cur_level=1;
477	<	syslog_logging=0;
723	>	char packet[MAX_UDP_PACKET_SIZE];
724
725	<	errf_set_ofunc(log_errors);
480	<	/* NULL'ify so i can tell if i need to free it or not */
481	<	ihost_state.fm_host=NULL;
482	<	ihost_state.my_fqdn=NULL;
483	<	ihost_state.server_fqdn=NULL;
484	<	ihost_state.last_modified=NULL;
485	<	ihost_state.files_list=NULL;
486	<	ihost_state.key=NULL;
725	>	time_t cur_time, sleep_delay, udp_time=0, config_time=0;
726
727	<	errf_set_progname(argv[0]);
728	<
727	>	/* Set default settings */
728	>	ihost_config.verbose=1;
729	>	ihost_config.daemon=1;
730	>	/* Set all errors to go down stderr until told otherwise */
731	>	ihost_config.log=stderr;
732
733	<	while((cmdopt=getopt(argc, argv, "vdshV")) != -1){
734	<	switch(cmdopt){
735	<	case 'v':
736	<	verbose++;
733	>	/* Blank ihost_state to default settings */
734	>	ihost_state.filtermanager_host=DEF_SERVER_NAME;
735	>	ihost_state.filtermanager_port=DEF_SERVER_PORT;
736	>	ihost_state.host_fqdn=NULL;
737	>	ihost_state.host_ip=NULL;
738	>	ihost_state.preset_fqdn = 0;
739	>	ihost_state.preset_ip = 0;
740	>	ihost_state.server_fqdn=NULL;
741	>	ihost_state.file_list=NULL;
742	>	ihost_state.last_modified=NULL;
743	>
744	>	while((cmdopt=getopt(argc, argv, "vfVn:i:s:p:h")) != -1){
745	>	switch(cmdopt){
746	>	case 'v':
747	>	ihost_config.verbose++;
748	>	break;
749	>
750	>	case 'f':
751	>	/* Force syslog logging since stderr will be closed in this case */
752	>	ihost_config.daemon=0;
753	>	break;
754	>
755	>	case 'V':
756	>	fprintf(stderr, "%s version %s\n", argv[0], VERSION);
757	>	break;
758	>	case 'n':
759	>	ihost_state.preset_fqdn = 1;
760	>	ihost_state.host_fqdn = strdup(optarg);
761	>	if(ihost_state.host_fqdn == NULL){
762	>	fprintf(stderr, "Missing hostname\n");
763	>	usage(argv[0]);
764	>	}
765		break;
766	<
767	<	case 'd':
768	<	/* Force syslog logging since stderr will be closed in this case */
769	<	syslog_logging=1;
770	<	daemon=1;
766	>	case 'i':
767	>	/* Hmm.. Someone could set any string to be the IP, and it will let it */
768	>	ihost_state.preset_ip = 1;
769	>	ihost_state.host_ip = strdup(optarg);
770	>	if(ihost_state.host_ip == NULL){
771	>	fprintf(stderr, "Missing ip\n");
772	>	usage(argv[0]);
773	>	}
774		break;
775	<
775	>
776		case 's':
777	<	syslog_logging=1;
777	>	ihost_state.filtermanager_host=strdup(optarg);
778		break;
506	–
507	–	case 'h':
508	–	usage(argv[0]);
509	–	break;
779
780	<	case 'V':
781	<	errf("%s version %s",argv[0], VERSION_NO);
780	>	case 'p':
781	>	ihost_state.filtermanager_port=atoi(optarg);
782		break;
783
784	<	default:
785	<	usage(argv[0]);
786	<	exit(1);
787	<	}
788	<	}
784	>	case 'h':
785	>	default:
786	>	usage(argv[0]);
787	>	exit(1);
788	>	}
789	>	}
790
791	<	if(argc!=optind+2){
792	<	usage(argv[0]);
791	>	if(gethostbyname(ihost_state.filtermanager_host)==NULL){
792	>	log_msg(LOG_CRIT, "Failed to lookup hostname. Please check settings");
793		exit(1);
794		}
795	<	ihost_state.fm_host=argv[optind];
796	<	ihost_state.fm_port=atoi(argv[optind+1]);
797	<	if(ihost_state.fm_port==0){
528	<	errf("Invalid port number");
529	<	usage(argv[0]);
795	>	if(ihost_state.filtermanager_port==0){
796	>	log_msg(LOG_ERR, "Invalid port number");
797	>	exit(1);
798		}
799
800	<	if(daemon==1){
800	>	if(ihost_config.daemon){
801		pid=fork();
802		if(pid==-1){
803	<	errf("Fork failed, can't background. Exiting");
804	<	exit(1);
803	>	log_msg(LOG_CRIT, "Failed to background exiting");
804	>	exit(1);
805		}else if(pid!=0){
806	<	/* Parent process */
807	<	return 0;
808	<	}
809	<	/* We should now be in the background*/
810	<	if(setsid()==-1){
811	<	errf("setsid failed (%m)");
806	>	/* Parent process */
807	>	return 0;
808	>	}
809	>	/* We should now be in the background*/
810	>	if(setsid()==-1){
811	>	log_msg(LOG_CRIT, "setsid failed");
812	>	exit(1);
813	>	}
814	>
815	>	if((ihost_config.log=fopen(LOG_FILE, "a"))==NULL){
816	>	ihost_config.log=stderr;
817	>	log_msg(LOG_CRIT, "Failed to open Logfiles %s for writing", LOG_FILE);
818		exit(1);
819		}
546	–	fclose(stdin);
547	–	fclose(stdout);
548	–	fclose(stderr);
549	–	}
820
821	<	if(syslog_logging==1){
822	<	openlog(errf_get_progname(),0,LOG_ERR);
823	<	setlogmask(LOG_UPTO(LOG_DEBUG));
821	>	fclose(stdin);
822	>	fclose(stdout);
823	>	fclose(stderr);
824	>
825	>	}
826	>
827	>	log_msg(LOG_INFO, "Starting ihost...");
828	>
829	>	log_msg(LOG_DEBUG, "Running statgrab_init()");
830	>	if(statgrab_init()){
831	>	log_msg(LOG_CRIT, "statgrab_init failed (%m)");
832	>	exit(1);
833		}
834	<
835	<	switch(verbose){
557	<	case 0:
558	<	/* Critical errors + */
559	<	log_level=LOG_ERR;
560	<	break;
561	<	case 1:
562	<	/* Recoverable errors */
563	<	log_level=LOG_WARNING;
564	<	break;
565	<	case 2:
566	<	/* Print stuff like the XML packets */
567	<	log_level=LOG_INFO;
568	<	break;
569	<	default:
570	<	/* Must have lots of v's */
571	<	/* Print out everything its doing */
572	<	log_level=LOG_DEBUG;
573	<	break;
574	<	}
834	>
835	>	log_msg(LOG_DEBUG,"Writing PID FILE");
836
837	<	logmessage(LOG_DEBUG,"Writing PID FILE");
838	<	pid=getpid();
839	<	if((f=fopen(PID_FILE,"w")) == NULL){
840	<	logmessage(LOG_WARNING, "Failed to write PID file");
841	<	}else{
842	<	if((fprintf(f,"%d",(int)pid)) > 0 ){
843	<	logmessage(LOG_WARNING, "Failed to write PID file");
844	<	}
845	<	if((fclose(f))!=0){
846	<	logmessage(LOG_ERR, "failed to close PID file");
847	<	exit(1);
848	<	}
837	>	pid=getpid();
838	>
839	>	if((f=fopen(PID_FILE,"w")) == NULL){
840	>	log_msg(LOG_CRIT, "Failed to write PID file");
841	>	}else{
842	>	if((fprintf(f,"%d",(int)pid)) <= 0 ){
843	>	log_msg(LOG_CRIT, "Failed to write PID file");
844	>	}
845	>	if((fclose(f))!=0){
846	>	log_msg(LOG_CRIT, "failed to close PID file");
847	>	}
848	>	}
849	>
850	>	/* Get the initial config from the filter manager. Should this fail,
851	>	* wait, and then try again. */
852	>
853	>	get_diskio_stats_diff(&packet_num);
854	>	packet_num=0;
855	>
856	>	while(ihost_getconfig(&ihost_state)!=0){
857	>	log_msg(LOG_ERR, "Failed to get ihost config");
858	>	sleep(10);
859		}
860
861	<	if(ihost_configure(&ihost_state)!=0){
862	<	logmessage(LOG_ERR,"configure failed");
863	<	/* Ok, ideally we prob should have 2 copies of the structure and carry on if this
593	<	happens.. But we dont :) (at the moment) */
594	<	exit(1);
861	>	while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){
862	>	log_msg(LOG_ERR, "Failed to create udp socket");
863	>	sleep(10);
864		}
865
866	+	config_time=time(NULL)+ihost_state.config_ttl;
867	+
868	+	/* Now have config.. collect data and send as often as required */
869		for(;;){
870		cur_time=time(NULL);
599	–	if(cur_time>=tcp_time){
600	–	logmessage(LOG_DEBUG,"Sending heartbeat");
601	–	heartbeat_exit=heartbeat(&ihost_state);
602	–	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
603	–	logmessage(LOG_INFO,"heartbeat needs to be reconfigured");
604	–	ihost_configure(&ihost_state);
605	–	udp_time=0;
606	–	}
607	–	if(heartbeat_exit==-1){
608	–	logmessage(LOG_ERR,"Heartbeat failed");
609	–	exit(1);
610	–	}
611	–	tcp_time=time(NULL)+ihost_state.tcp_update_time;
612	–	logmessage(LOG_DEBUG,"next tcp time should be %d", tcp_time);
613	–	}
871
872		if(cur_time>=udp_time){
873	<	logmessage(LOG_DEBUG,"Sending udp data");
874	<	/* Work out how long it takes to get the stats for next time round
618	<	so the sleep time can be adjusted accordingly */
619	<	stat_grab_time=time(NULL);
620	<	if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){
621	<	logmessage(LOG_ERR,"Failed to get stats (%m)");
622	<	exit(1);
873	>	if((get_system_stats(packet_num++, &ihost_state, packet, MAX_UDP_PACKET_SIZE))!=0){
874	>	log_msg(LOG_ERR, "Failed to get system stats");
875		}
876	<	stat_grab_time=time(NULL)-stat_grab_time;
877	<	send_stats(&ihost_state, xml_stats);
878	<	free(xml_stats);
879	<	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
880	<	logmessage(LOG_DEBUG,"next udp time should be %d", udp_time);
876	>
877	>	len=strlen(packet);
878	>	log_msg(LOG_DEBUG, "Packet size: %d\nPacket: %s\n", len, packet);
879	>
880	>	if((sendto(udp_sockinfo.sock, packet, len, 0, (struct sockaddr *) &udp_sockinfo.addr, sizeof(udp_sockinfo.addr)))!=len){
881	>	log_msg(LOG_CRIT, "Failed to send packet");
882	>	}
883	>	udp_time=cur_time+ihost_state.udp_update_time;
884	>	log_msg(LOG_DEBUG, "Next packet should be sent on %d", udp_time);
885		}
886	+
887	+	if(cur_time>=config_time){
888	+	if(ihost_getconfig(&ihost_state)!=0){
889	+	/* If we can't get the config, try again 5 minutes time */
890	+	log_msg(LOG_ERR, "Failed to get config, try again 5 minutes time");
891	+	config_time=time(NULL)+300;
892	+	}else{
893	+	close(udp_sockinfo.sock);
894
895	<	if(tcp_time<udp_time){
896	<	sleep_delay=tcp_time-time(NULL);
897	<	}else{
898	<	sleep_delay=udp_time-time(NULL);
895	>	while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){
896	>	log_msg(LOG_CRIT, "Failed to create udp socket");
897	>	sleep(10);
898	>	}
899	>
900	>	config_time=time(NULL)+ihost_state.config_ttl;
901	>
902	>	log_msg(LOG_DEBUG, "Config expires on %d\n", ihost_state.config_ttl);
903	>	}
904		}
905	<	logmessage(LOG_DEBUG,"Sleeping for %d", sleep_delay);
905	>
906	>	sleep_delay=udp_time-time(NULL);
907	>	log_msg(LOG_DEBUG, "Sleeping for %d", sleep_delay);
908		if(sleep_delay>0) sleep(sleep_delay);
909	<	}
910	<	return 0;
909	>	}
910	>
911	>	return(0);
912		}
641	–

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