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

Comparing projects/cms/source/ihost/ihost.c (file contents):
Revision 1.24 by pajs, Tue May 21 16:55:59 2002 UTC vs.
Revision 1.42 by tdb, Fri Sep 26 21:22:44 2003 UTC

#	Line 1 | Line 1
1		/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
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 18 | 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>
23	–	#include <sys/types.h>
27		#include <unistd.h>
25	–	#include <syslog.h>
26	–	#include <netinet/in.h>
27	–	#include "ukcprog.h"
28	–	#include <netdb.h>
28		#include <string.h>
29	<	#include "statgrab.h"
31	<	#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 "1.0rc1"
37	<	#define RECONFIGURE_RETURN_CODE 2
38	<	#define UDP_MAX_PACKET_SIZE 8192
39	<	#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){
174	<	char *reply;
175	<	logmessage(LOG_DEBUG, "Sending %s",sendString);
176	<	fprintf(f_w, "%s\n", sendString);
177	<	fflush(f_w);
178	<	reply=fpgetline(f_r);
80	<	if (reply!=NULL) logmessage(LOG_DEBUG, "Received %s", reply);
81	<	/* Returns pointer to static buffer */
82	<	return reply;
83	<	}
173	>	/* Takes many pointers, checks if they are NULL or not, and then free's them */
174	>	/* Deprciated - and i only wrote it today! :)
175	>	void m_free(int num_pointers, ...){
176	>	int x=0;
177	>	va_list ap;
178	>	void *p;
179
180	<	int ihost_configure(ihost_state_t *ihost_state){
181	<	struct sockaddr_in addr;
182	<	struct in_addr haddr;
183	<	struct sockaddr ip;
184	<	int ip_len;
185	<	int sd;
186	<	FILE *fm_fd_r, *fm_fd_w;
187	<	char *reply;
188	<	char *reply_ptr;
180	>	va_start(ap, num_pointers);
181	>	for(;x<num_pointers;x++){
182	>	p=va_arg(ap, void*);
183	>	if(p!=NULL){
184	>	free(p);
185	>	}
186	>	}
187	>	va_end(ap);
188	>	}
189	>	*/
190
191	<	/* Check to see if anything needs to be free'd */
96	<	if (ihost_state->my_fqdn!=NULL) free(ihost_state->my_fqdn);
97	<	if (ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
98	<	if (ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
99	<	if (ihost_state->files_list!=NULL) free(ihost_state->files_list);
191	>	int create_udp_sockinfo(udp_sockinfo_t *udp_sockinfo, char *hostname, int port){
192
193	<	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->fm_host, ihost_state->fm_port);
102	<	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
103	<	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
104	<	return -1;
105	<	}
193	>	struct in_addr haddr;
194
195	<	if (get_host_addr(ihost_state->fm_host, &haddr) != 0){
196	<	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->fm_host);
197	<	return -1;
195	>	log_msg(LOG_DEBUG, "Resolving name for udp connection");
196	>	if(get_host_addr(hostname, &haddr) != 0){
197	>	log_msg(LOG_CRIT, "Failed to lookup name");
198	>	return 1;
199		}
200
201	<	memset(&addr, 0, sizeof addr);
202	<	addr.sin_family = AF_INET;
203	<	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
204	<	addr.sin_port =  htons(ihost_state->fm_port);
201	>	if((udp_sockinfo->sock=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
202	>	log_msg(LOG_CRIT, "Failed to create UDP socket");
203	>	return 1;
204	>	}
205
206	<	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
207	<	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
208	<	return -1;
206	>	memset(&(udp_sockinfo->addr), 0, sizeof(struct sockaddr_in));
207	>	udp_sockinfo->addr.sin_family=AF_INET;
208	>	memcpy((char *)&(udp_sockinfo->addr.sin_addr), &haddr, sizeof(haddr));
209	>	udp_sockinfo->addr.sin_port = htons(port);
210	>
211	>	log_msg(LOG_DEBUG, "Socket created");
212	>	return 0;
213	>	}
214	>
215	>	FILE *create_tcp_connection(char *hostname, int port){
216	>	int sock;
217	>	struct sockaddr_in addr;
218	>	struct in_addr haddr;
219	>	FILE *f;
220	>
221	>	log_msg(LOG_DEBUG, "Creating tcp socket");
222	>	if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))<0){
223	>	log_msg(LOG_CRIT, "Failed to make TCP Socket");
224	>	return NULL;
225		}
226
227	<	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
228	<	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
229	<	logmessage(LOG_ERR, "Failed to open read stream (%m)");
230	<	return -1;
227	>	if((get_host_addr(hostname, &haddr))!=0){
228	>	log_msg(LOG_CRIT, "Failed to lookup name for %s", hostname);
229	>	close(sock);
230	>	return NULL;
231		}
232
233	<	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
234	<	logmessage(LOG_ERR, "Failed to open write stream (%m)");
235	<	return -1;
233	>	memset(&addr, 0, sizeof(addr));
234	>	addr.sin_family = AF_INET;
235	>	memcpy(&addr.sin_addr, &haddr, sizeof(haddr));
236	>	addr.sin_port = htons(port);
237	>
238	>	log_msg(LOG_DEBUG, "Creating a tcp connection");
239	>	if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) !=0){
240	>	log_msg(LOG_CRIT, "Failed to connect to hostname %s on port %d", hostname, port);
241	>	close(sock);
242	>	return NULL;
243		}
244	<	ip_len=sizeof ip;
245	<	memset(&ip, 0, ip_len);
246	<	if((getsockname(sd, &ip, &ip_len)) != 0){
247	<	logmessage(LOG_ERR, "Failed to get IP address (%m)");
248	<	return -1;
244	>
245	>	if((f=fdopen(sock, "r+"))==NULL){
246	>	log_msg(LOG_CRIT, "Failed to connect to open filedescriptor on tcp connection");
247	>	close(sock);
248	>	return NULL;
249		}
250	<	if (ip.sa_family!=AF_INET){
251	<	logmessage(LOG_ERR, "sa family is wrong type");
250	>
251	>	return f;
252	>	}
253	>
254	>	int tcp_comm(FILE *f, char *send, char **response, char *expected){
255	>
256	>	log_msg(LOG_DEBUG, "Sending %s", send);
257	>	fprintf(f, "%s\n", send);
258	>	fflush(f);
259	>	*response=fpgetline(f);
260	>	fseek(f, 0, SEEK_CUR);
261	>
262	>	if(*response!=NULL) log_msg(LOG_DEBUG, "Recieved %s", *response);
263	>
264	>	if( (*response==NULL) || (strcmp(*response, "ERROR")==0) ) return -1;
265	>
266	>	if(expected==NULL) return 0;
267	>
268	>	if((strcmp(expected, *response))==0) return 0;
269	>
270	>	log_msg(LOG_DEBUG, "Did not get expected response");
271	>	return -1;
272	>	}
273	>
274	>	int tcp_comm_strdup(FILE *f, char *send, char **response, char *expected){
275	>	if((tcp_comm(f, send, response, expected))!=0){
276		return -1;
277		}
278	+
279	+	*response=strdup(*response);
280	+	if (response==NULL) return -1;
281	+
282	+	return 0;
283	+	}
284
285	<	if((ihost_state->my_ip=strdup(inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr)))==NULL){
286	<	logmessage(LOG_ERR, "Failed to get IP (%m)");
285	>	int ihost_getconfig(ihost_state_t *ihost_state){
286	>
287	>	FILE *tcp_con;
288	>	char *response;
289	>	char *response_ptr;
290	>
291	>	/* Keep these in case of a failure and so it can keep running on the old config */
292	>	char *file_list=NULL;
293	>	char *last_modified=NULL;
294	>	char *host_fqdn=NULL;
295	>	char *host_ip=NULL;
296	>	int udp_update_time=0;
297	>	char *server_fqdn=NULL;
298	>	int server_udp_port=0;
299	>	time_t config_ttl=0;
300	>
301	>	if((tcp_con=create_tcp_connection(ihost_state->filtermanager_host, ihost_state->filtermanager_port))==NULL){
302		return -1;
146	–	}
147	–
148	–	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
149	–	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
150	–	logmessage(LOG_ERR, "Server error on STARTCONFIG");
151	–	return -1;
303		}
304
305	<	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED");
306	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
307	<	logmessage(LOG_ERR, "Server error on LASTMODIFIED (%m)");
308	<	return -1;
305	>	if(ihost_state->file_list!=NULL || ihost_state->last_modified!=NULL){
306	>	if(tcp_con==NULL){
307	>	goto error;
308	>	}
309	>
310	>	if((tcp_comm(tcp_con, "CHECKCONFIG", &response, "OK"))!=0){
311	>	goto error;
312	>	}
313	>
314	>	if((tcp_comm(tcp_con, ihost_state->file_list, &response, "OK"))!=0){
315	>	goto error;
316	>	}
317	>
318	>	if((tcp_comm(tcp_con, ihost_state->last_modified, &response, "OK"))==0){
319	>	if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){
320	>	goto error;
321	>	}
322	>	fclose(tcp_con);
323	>	return 0;
324	>	}else{
325	>	if((strcmp(response, "EXPIRED"))!=0){
326	>	goto error;
327	>	}
328	>	}
329		}
159	–	if((ihost_state->last_modified=strdup(reply)) == NULL){
160	–	logmessage(LOG_ERR, "strdup failed (%m)");
161	–	return -1;
162	–	}
330
331	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST");
332	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
333	<	logmessage(LOG_ERR, "Server error on FILELIST (%m)");
334	<	return -1;
331	>	/* If we got to here, the config must of expired */
332	>
333	>	if((tcp_comm(tcp_con, "STARTCONFIG", &response, "OK"))!=0){
334	>	goto error;
335		}
169	–	if((ihost_state->files_list=strdup(reply)) == NULL){
170	–	logmessage(LOG_ERR, "strdup failed (%m)");
171	–	return -1;
172	–	}
336
337	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN");
338	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
176	<	logmessage(LOG_ERR, "Server error on FQDN (%m)");
177	<	return -1;
337	>	if((tcp_comm_strdup(tcp_con, "LASTMODIFIED", &response, NULL))!=0){
338	>	goto error;
339		}
340	<	if((ihost_state->my_fqdn=strdup(reply)) == NULL){
341	<	logmessage(LOG_ERR, "strdup failed (%m)");
342	<	return -1;
340	>	last_modified=response;
341	>
342	>	if((tcp_comm_strdup(tcp_con, "FILELIST", &response, NULL))!=0){
343	>	goto error;
344		}
345	+	file_list=response;
346
347	<	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime");
348	<	if(reply== NULL){
186	<	logmessage(LOG_ERR, "Server error (%m)");
187	<	return -1;
347	>	if((tcp_comm_strdup(tcp_con, "FQDN", &response, NULL))!=0){
348	>	goto error;
349		}
350	<	if (strncasecmp(reply, "ERROR", 5) != 0){
351	<	ihost_state->udp_update_time=atoi(reply);
350	>	host_fqdn=response;
351	>
352	>	if((tcp_comm_strdup(tcp_con, "IP", &response, NULL))!=0){
353	>	goto error;
354		}
355	<
356	<	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime");
357	<	if(reply== NULL){
358	<	logmessage(LOG_ERR, "Server error on TCPUpdateTime (%m)");
196	<	return -1;
355	>	host_ip=response;
356	>
357	>	if((tcp_comm(tcp_con, "UDPUpdateTime", &response, NULL))!=0){
358	>	goto error;
359		}
360	<	if (strncasecmp(reply, "ERROR", 5) != 0){
361	<	ihost_state->tcp_update_time=atoi(reply);
360	>	udp_update_time=atoi(response);
361	>
362	>	if((tcp_comm(tcp_con, "ConfigTTL", &response, NULL))!=0){
363	>	goto error;
364		}
365	+	config_ttl=atoi(response);
366
367	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG");
368	<	if(reply== NULL){
204	<	logmessage(LOG_ERR, "Server error on ENDCONFIG (%m)");
205	<	return -1;
367	>	if((tcp_comm(tcp_con, "ENDCONFIG", &response, NULL))!=0){
368	>	goto error;
369		}
370
371	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
372	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
373	<	logmessage(LOG_ERR, "Server error FILTER failed (%m)");
374	<	return -1;
371	>	if((tcp_comm(tcp_con, "FILTER", &response, NULL))!=0){
372	>	goto error;
373	>	}else{
374	>	response_ptr=strchr(response,';');
375	>	if(response_ptr==NULL){
376	>	log_msg(LOG_ERR, "Incorrect data sent by server");
377	>	goto error;
378	>	}
379	>	*response_ptr='\0';
380	>	server_fqdn=strdup(response);
381	>	if(server_fqdn==NULL){
382	>	goto error;
383	>	}
384	>	response_ptr++;
385	>	if(response_ptr==NULL){
386	>	log_msg(LOG_ERR, "Incorrect data sent by server");
387	>	goto error;
388	>	}
389	>
390	>	printf("string : %s\n", response_ptr);
391	>	server_udp_port=atoi(response_ptr);
392	>
393	>	if (server_udp_port==0){
394	>	log_msg(LOG_ERR, "Incorrect data sent by server");
395	>	goto error;
396	>	}
397		}
398	<	reply_ptr=strchr(reply,';');
399	<	if (reply_ptr==NULL){
400	<	logmessage(LOG_ERR, "Incorrect data returned");
216	<	return -1;
398	>
399	>	if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){
400	>	goto error;
401		}
218	–	*reply_ptr='\0';
219	–	if((ihost_state->server_fqdn=strdup(reply)) == NULL){
220	–	logmessage(LOG_ERR, "strdup failed (%m)");
221	–	return -1;
222	–	}
223	–	reply=reply_ptr + 1;
224	–	reply_ptr=strchr(reply,';');
225	–	if (reply_ptr==NULL){
226	–	logmessage(LOG_ERR, "Incorrect data returned 2");
227	–	return -1;
228	–	}
229	–	*reply_ptr='\0';
230	–	ihost_state->server_udp_port=atoi(reply);
231	–	reply=reply_ptr+1;
232	–	ihost_state->server_tcp_port=atoi(reply);
233	–	if ((ihost_state->server_tcp_port==0) || (ihost_state->server_udp_port==0)){
234	–	logmessage(LOG_ERR, "Incorrect data returned 3 ");
235	–	return -1;
236	–	}
402
403	<	reply=sock_comm(fm_fd_r, fm_fd_w, "END");
404	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
405	<	logmessage(LOG_ERR, "Server error on END (%m)");
406	<	return -1;
403	>	fclose(tcp_con);
404	>
405	>	/* We have the data we need, and its all been read correctly */
406	>
407	>	/* Free the old data before pointing them to the new data. m_free copes should
408	>	* this already be NULL */
409	>	if(ihost_state->file_list!=NULL) free(ihost_state->file_list);
410	>	if(ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
411	>	if(ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
412	>
413	>	if(ihost_state->preset_fqdn){
414	>	if(host_fqdn != NULL) free(host_fqdn);
415	>	}else{
416	>	if(ihost_state->host_fqdn!=NULL) free(ihost_state->host_fqdn);
417	>	ihost_state->host_fqdn=host_fqdn;
418		}
419
420	<	if(fclose(fm_fd_r) !=0){
421	<	logmessage(LOG_ERR, "Failed to close read FD (%m)");
422	<	return -1;
420	>	if(ihost_state->preset_ip){
421	>	if(host_ip != NULL) free(host_ip);
422	>	}else{
423	>	if(ihost_state->host_ip!=NULL) free(ihost_state->host_ip);
424	>	ihost_state->host_ip=host_ip;
425		}
248	–	if(fclose(fm_fd_w) !=0){
249	–	logmessage(LOG_ERR, "Failed to close write FD (%m)");
250	–	return -1;
251	–	}
426
427	+
428	+	ihost_state->file_list=file_list;
429	+	ihost_state->last_modified=last_modified;
430	+	ihost_state->server_fqdn=server_fqdn;
431	+	ihost_state->server_udp_port=server_udp_port;
432	+	ihost_state->udp_update_time=udp_update_time;
433	+	ihost_state->config_ttl=config_ttl;
434	+
435	+	log_msg(LOG_DEBUG, "UDP Update time %d", udp_update_time);
436	+	log_msg(LOG_DEBUG, "Configure ttl %d", config_ttl);
437	+
438		return 0;
254	–	}
439
440	<	int heartbeat(ihost_state_t *ihost_state){
257	<	struct sockaddr_in addr;
258	<	struct in_addr haddr;
259	<	int sd;
260	<	FILE *fm_fd_r, *fm_fd_w;
261	<	char *reply;
262	<	int exitcode=0;
440	>	error:
441
442	<	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->server_fqdn, ihost_state->server_tcp_port);
443	<	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
444	<	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
445	<	return -1;
446	<	}
442	>	if(file_list!=NULL) free(file_list);
443	>	if(last_modified!=NULL) free(last_modified);
444	>	if(host_fqdn!=NULL) free(host_fqdn);
445	>	if(server_fqdn!=NULL) free(server_fqdn);
446	>	if(host_ip!=NULL) free(host_ip);
447	>	fclose(tcp_con);
448
449	<	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
450	<	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
272	<	return -1;
273	<	}
449	>	return -1;
450	>	}
451
452	<	memset(&addr, 0, sizeof addr);
453	<	addr.sin_family = AF_INET;
454	<	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
455	<	addr.sin_port =  htons(ihost_state->server_tcp_port);
452	>	int get_system_stats(int seq_no, ihost_state_t *ihost_state, char *xml, int size){
453	>	char tmp[size];
454	>	cpu_percent_t *cpu_percent;
455	>	mem_stat_t *mem_stats;
456	>	load_stat_t *load_stats;
457	>	user_stat_t *user_stats;
458	>	swap_stat_t *swap_stats;
459	>	general_stat_t *general_stats;
460	>	disk_stat_t *disk_stats;
461	>	diskio_stat_t *diskio_stats;
462	>	process_stat_t *process_stats;
463	>	network_stat_t *network_stats;
464	>	page_stat_t *page_stats;
465	>	int disk_entries=0;
466	>	int diskio_entries=0;
467	>	int network_entries=0;
468
469	<	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
470	<	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->server_fqdn, ihost_state->server_tcp_port);
471	<	return -1;
283	<	}
469	>	int counter;
470	>	long long x;
471	>	long long y;
472
473	<	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
474	<	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
475	<	logmessage(LOG_ERR, "Failed to open stream (%m)");
288	<	return -1;
289	<	}
473	>	/* Print start of the packet we want */
474	>	snprintf(xml, size, "<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\">", \
475	>	seq_no, ihost_state->host_fqdn, time(NULL), ihost_state->host_ip);
476
477	<	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
478	<	logmessage(LOG_ERR, "Failed to open stream (%m)");
479	<	return -1;
480	<	}
477	>	/* Get cpu stats, check it is correct, then fill in its entry for the xml */
478	>	if((cpu_percent=cpu_percent_usage())==NULL){
479	>	log_msg(LOG_CRIT, "Failed to get cpu statistics");
480	>	}else{
481	>	snprintf(tmp, size, \
482	>	"<cpu><user>%3.2f</user><kernel>%3.2f</kernel><idle>%3.2f</idle><iowait>%3.2f</iowait><swap>%3.2f</swap></cpu>", \
483	>	cpu_percent->user, \
484	>	cpu_percent->kernel, \
485	>	cpu_percent->idle, \
486	>	cpu_percent->iowait, \
487	>	cpu_percent->swap);
488
489	<	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT");
490	<	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
298	<	logmessage(LOG_ERR, "Server error on HEARTBEAT");
299	<	return -1;
300	<	}
489	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
490	>	}
491
492	<	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
493	<	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
494	<	logmessage(LOG_ERR, "Server error on CONFIG");
495	<	return -1;
496	<	}
492	>
493	>	/*Get mem stats, and fill in xml */
494	>	if((mem_stats=get_memory_stats())==NULL){
495	>	log_msg(LOG_CRIT, "Failed to get memory statistics");
496	>	}else{
497	>	snprintf(tmp, size, \
498	>	"<memory><total>%lld</total><free>%lld</free><used>%lld</used><cache>%lld</cache></memory>", \
499	>	mem_stats->total, \
500	>	mem_stats->free, \
501	>	mem_stats->used, \
502	>	mem_stats->cache);
503	>
504	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
505	>	}
506
308	–	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list);
309	–	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
310	–	logmessage(LOG_ERR, "Server error on fileslist");
311	–	return -1;
312	–	}
507
508	<	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->last_modified);
509	<	if (reply==NULL) {
510	<	logmessage(LOG_ERR, "Server error NULL recieved on lastmodified");
511	<	return -1;
512	<	}
513	<	if (strncasecmp(reply, "ERROR", 5) == 0){
514	<	/* Means the config has changed */
515	<	logmessage(LOG_INFO, "Recieved ERROR from server for a reconfigure required");
516	<	exitcode=RECONFIGURE_RETURN_CODE;
508	>	/* Get load stats */
509	>	if((load_stats=get_load_stats())==NULL){
510	>	log_msg(LOG_CRIT, "Failed to get load statistics");
511	>	}else{
512	>	snprintf(tmp, size, \
513	>	"<load><load1>%.2lf</load1><load5>%.2lf</load5><load15>%.2lf</load15></load>", \
514	>	load_stats->min1, \
515	>	load_stats->min5, \
516	>	load_stats->min15);
517	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
518		}
519
325	–	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY");
326	–	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
327	–	logmessage(LOG_ERR, "Server error on KEY");
328	–	return -1;
329	–	}
330	–	if (ihost_state->key!=NULL) free(ihost_state->key);
331	–
332	–	if((ihost_state->key=strdup(reply)) == NULL){
333	–	logmessage(LOG_ERR, "strdup failed (%m)");
334	–	return -1;
335	–	}
520
521	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT");
522	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
523	<	logmessage(LOG_ERR, "Server error on ENDHEARTBEAT (%m)");
524	<	return -1;
525	<	}
521	>	/* get user stats */
522	>
523	>	if((user_stats=get_user_stats())==NULL){
524	>	log_msg(LOG_CRIT, "Failed to get user statistics");
525	>	}else{
526
527	<	fflush(fm_fd_r);
528	<	fflush(fm_fd_w);
527	>	snprintf(tmp, size, \
528	>	"<users><list>%s</list><count>%d</count></users>", \
529	>	user_stats->name_list, \
530	>	user_stats->num_entries);
531	>
532	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
533	>	}
534
346	–	if(fclose(fm_fd_r) !=0){
347	–	logmessage(LOG_ERR, "Failed to close read FD (%m)");
348	–	return -1;
349	–	}
350	–	if(fclose(fm_fd_w) !=0){
351	–	logmessage(LOG_ERR, "Failed to close write FD (%m)");
352	–	return -1;
353	–	}
535
536	<	return exitcode;
537	<	}
536	>	/* swap stats */
537	>	if((swap_stats=get_swap_stats())==NULL){
538	>	log_msg(LOG_CRIT, "Failed to get swap statistics");
539	>	}else{
540	>	snprintf(tmp, size, \
541	>	"<swap><total>%lld</total><used>%lld</used><free>%lld</free></swap>",\
542	>	swap_stats->total, \
543	>	swap_stats->used, \
544	>	swap_stats->free);
545	>
546	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
547	>	}
548
358	–	char *stat_grab(ihost_state_t *ihost_state, int counter){
359	–	#define NUM_STATS 9
360	–	char *stats[NUM_STATS];
361	–	char *xml_data=NULL;
362	–	char *xml_data_p;
363	–	int xml_size=0;
364	–	int x=0;
549
550	<	logmessage(LOG_DEBUG,"get_cpu_stats");
367	<	stats[0]=get_cpu_stats();
368	<	logmessage(LOG_DEBUG,"get_disk_stats");
369	<	stats[1]=get_disk_stats();
370	<	logmessage(LOG_DEBUG,"get_load_stats");
371	<	stats[2]=get_load_stats();
372	<	logmessage(LOG_DEBUG,"get_memory_stats");
373	<	stats[3]=get_memory_stats();
374	<	logmessage(LOG_DEBUG,"get_os_info");
375	<	stats[4]=get_os_info();
376	<	logmessage(LOG_DEBUG,"get_page_stats");
377	<	stats[5]=get_page_stats();
378	<	logmessage(LOG_DEBUG,"get_process_stats");
379	<	stats[6]=get_process_stats();
380	<	logmessage(LOG_DEBUG,"get_swap_stats");
381	<	stats[7]=get_swap_stats();
382	<	logmessage(LOG_DEBUG,"get_user_stats");
383	<	stats[8]=get_user_stats();
550	>	/* general stats */
551
552	+	if((general_stats=get_general_stats())==NULL){
553	+	log_msg(LOG_CRIT, "Failed to get general statistics");
554	+	}else{
555	+	snprintf(tmp, size, \
556	+	"<os><name>%s</name><release>%s</release><version>%s</version><sysname>%s</sysname><platform>%s</platform><uptime>%ld</uptime></os>", \
557	+	general_stats->os_name, \
558	+	general_stats->os_release, \
559	+	general_stats->os_version, \
560	+	general_stats->hostname, \
561	+	general_stats->platform, \
562	+	(long)general_stats->uptime);
563	+
564	+	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
565	+
566	+	}
567
568	<	for(x=0;x<NUM_STATS;x++){
569	<	if(stats[x]==NULL){
570	<	logmessage(LOG_ERR,"Function returned NULL");
571	<	return NULL;
568	>
569	>	/* process stats */
570	>	if((process_stats=get_process_stats())==NULL){
571	>	log_msg(LOG_CRIT, "Failed to get general statistics");
572	>	}else{
573	>	snprintf(tmp, size, \
574	>	"<processes><sleeping>%d</sleeping><cpu>%d</cpu><zombie>%d</zombie><stopped>%d</stopped><total>%d</total></processes>",\
575	>	process_stats->sleeping, \
576	>	process_stats->running, \
577	>	process_stats->zombie, \
578	>	process_stats->stopped, \
579	>	process_stats->total);
580	>
581	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
582	>
583	>	}
584	>
585	>
586	>	/* Get paging stats */
587	>	if((page_stats=get_page_stats_diff())==NULL){
588	>	log_msg(LOG_CRIT, "Failed to get paging statistics");
589	>	}else{
590	>	if(page_stats->systime!=0){
591	>	x=page_stats->pages_pagein / page_stats->systime;
592	>	y=page_stats->pages_pageout / page_stats->systime;
593	>	}else{
594	>	x=page_stats->pages_pagein;
595	>	y=page_stats->pages_pageout;
596		}
597	<	xml_size+=strlen(stats[x]);
597	>	snprintf(tmp, size, \
598	>	"<pages><pageins>%lld</pageins><pageouts>%lld</pageouts></pages>", \
599	>	x, \
600	>	y);
601	>
602	>	if(strlcat(xml, tmp, size) >= size) goto too_big_error;
603		}
604
605	<	xml_data=malloc(xml_size+1);
606	<	xml_data=strcpy(xml_data, stats[0]);
607	<	free(stats[0]);
608	<	for(x=1;x<NUM_STATS;x++){
609	<	strcat(xml_data, stats[x]);
610	<	free(stats[x]);
605	>
606	>	/* get diskio stats */
607	>
608	>	if((diskio_stats=get_diskio_stats_diff(&diskio_entries))==NULL){
609	>	log_msg(LOG_CRIT, "Failed to get diskio statistics");
610	>	}else{
611	>	strlcat(xml, "<diskio>", size);
612	>	for(counter=0;counter<diskio_entries;counter++){
613	>
614	>	if(diskio_stats->systime!=0){
615	>	x=diskio_stats->read_bytes / diskio_stats->systime;
616	>	y=diskio_stats->write_bytes / diskio_stats->systime;
617	>	}else{
618	>	x=diskio_stats->read_bytes;
619	>	y=diskio_stats->write_bytes;
620	>	}
621	>
622	>	snprintf(tmp, size, \
623	>	"<p%d name=\"%s\" rbytes=\"%lld\" wbytes=\"%lld\"></p%d>", \
624	>	counter, \
625	>	diskio_stats->disk_name, \
626	>	x, \
627	>	y, \
628	>	counter);
629	>
630	>	strlcat(xml, tmp, size);
631	>	diskio_stats++;
632	>	}
633	>
634	>	if(strlcat(xml, "</diskio>", size) >= size) goto too_big_error;
635	>
636		}
637
638	<	xml_data_p=xml_data;
639	<	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);
640	<	free(xml_data_p);
638	>
639	>	/* get networks stats */
640	>
641	>	if((network_stats=get_network_stats_diff(&network_entries))==NULL){
642	>	log_msg(LOG_CRIT, "Failed to get network statistics");
643	>	}else{
644	>	strlcat(xml, "<net>", size);
645	>	for(counter=0;counter<network_entries;counter++){
646	>	if(network_stats->systime!=0){
647	>	x=network_stats->rx / network_stats->systime;
648	>	y=network_stats->tx / network_stats->systime;
649	>	}else{
650	>	x=network_stats->rx;
651	>	y=network_stats->tx;
652	>	}
653
654	<	logmessage(LOG_DEBUG,"Generated XML Data of : %s", xml_data);
655	<	return xml_data;
656	<	}
654	>	snprintf(tmp, size, \
655	>	"<p%d name=\"%s\" rx=\"%lld\" tx=\"%lld\"></p%d>", \
656	>	counter, \
657	>	network_stats->interface_name, \
658	>	x, \
659	>	y, \
660	>	counter);
661
662	<	int send_stats(ihost_state_t *ihost_state, char *data_stream){
663	<	struct sockaddr_in addr;
664	<	struct in_addr haddr;
662	>	strlcat(xml, tmp, size);
663	>	network_stats++;
664	>	}
665
666	<	int sd;
415	<	size_t len;
666	>	if(strlcat(xml, "</net>", size) >= size) goto too_big_error;
667
417	–	len=strlen(data_stream);
418	–	if(len>UDP_MAX_PACKET_SIZE){
419	–	logmessage(LOG_ERR, "Too big to send to server. Please reconfigure client and server and recompile");
420	–	exit(1);
668		}
422	–	logmessage(LOG_DEBUG,"Resolving IP of server");
423	–	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
424	–	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
425	–	return -1;
426	–	}
427	–	logmessage(LOG_DEBUG,"Creating UDP socket to %s on %d",ihost_state->server_fqdn, ihost_state->server_udp_port);
428	–	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
429	–	logmessage(LOG_ERR, "failed to create UDP socket (%m)");
430	–	return -1;
431	–	}
669
433	–	memset(&addr, 0, sizeof(addr));
434	–	addr.sin_family=AF_INET;
435	–	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
436	–	addr.sin_port =  htons(ihost_state->server_udp_port);
670
671	<	logmessage(LOG_INFO,"Sending packet : %s", data_stream);
672	<	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
673	<	logmessage(LOG_ERR, "Send the wrong number of bytes (%m)");
674	<	return -1;
671	>	/* get disk stats */
672	>
673	>	if((disk_stats=get_disk_stats(&disk_entries))==NULL){
674	>	log_msg(LOG_CRIT, "Failed to get disk statistics");
675	>	}else{
676	>	strlcat(xml, "<disk>", size);
677	>	for(counter=0;counter<disk_entries;counter++){
678	>	snprintf(tmp, size, \
679	>	"<p%d name=\"%s\" mount=\"%s\" fstype=\"%s\" total=\"%lld\" used=\"%lld\" avail=\"%lld\" totalinodes=\"%lld\" usedinodes=\"%lld\" freeinodes=\"%lld\"></p%d>", \
680	>	counter, \
681	>	disk_stats->device_name, \
682	>	disk_stats->mnt_point, \
683	>	disk_stats->fs_type, \
684	>	disk_stats->size, \
685	>	disk_stats->used, \
686	>	disk_stats->avail, \
687	>	disk_stats->total_inodes, \
688	>	disk_stats->used_inodes, \
689	>	disk_stats->free_inodes, \
690	>	counter);
691	>
692	>	strlcat(xml, tmp, size);
693	>
694	>	disk_stats++;
695	>	}
696	>
697	>	if(strlcat(xml, "</disk>", size) >= size) goto too_big_error;
698	>
699		}
700	+
701
702	<	close(sd);
702	>	if(strlcat(xml, "</packet>", size) >= size) goto too_big_error;
703
704	<	return 0;
704	>	/*If we got to here, it should of all been filled in nicely now */
705	>	return 0;
706	>
707	>	too_big_error:
708	>	log_msg(LOG_ERR, "UDP Packet is too large. Throwing away the packet");
709	>	return -1;
710		}
711
712	+
713	+
714		void usage(char *progname){
715	<	fprintf(stderr, "Usage %s [options] server port\n", progname);
716	<	fprintf(stderr, "Options\n");
717	<	fprintf(stderr, "  -v           Verbose, the more v flags the more verbose, eg -vv\n");
718	<	fprintf(stderr, "  -d           Daemon mode, self backgrounding\n");
719	<	fprintf(stderr, "  -s           Send errors to syslog\n");
720	<	fprintf(stderr, "  -V           Print version number\n");
721	<	fprintf(stderr, "  -h           Prints this help page\n");
722	<	exit(1);
715	>	fprintf(stderr, "Usage %s [options] server port\n", progname);
716	>	fprintf(stderr, "Options\n");
717	>	fprintf(stderr, "  -v           Verbose mode,-vv would make even more verbose\n");
718	>	fprintf(stderr, "  -f           Foreground mode, print errors to stderr\n");
719	>	fprintf(stderr, "  -s           Set the machine name to be reported as\n");
720	>	fprintf(stderr, "  -i           Set the IP to be reported as\n");
721	>	fprintf(stderr, "  -V           Print version number\n");
722	>	fprintf(stderr, "  -h           Prints this help page\n");
723	>	exit(1);
724		}
725
726		int main(int argc, char **argv){
727	+
728		ihost_state_t ihost_state;
729	<	int heartbeat_exit;
730	<	int counter=0;
464	<	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
465	<	int sleep_delay=0;
466	<	char *xml_stats;
467	<	pid_t pid;
729	>	udp_sockinfo_t udp_sockinfo;
730	>
731		int cmdopt;
732		extern int optind;
733	<	int verbose=0, daemon=0;
471	<	extern int syslog_logging;
472	<	extern int log_level;
473	<	extern int cur_level;
733	>	pid_t pid;
734		FILE *f;
735	+	int packet_num=0;
736	+	int len;
737
738	<	log_level=1;
477	<	cur_level=1;
478	<	syslog_logging=0;
738	>	char packet[MAX_UDP_PACKET_SIZE];
739
740	<	errf_set_ofunc(log_errors);
481	<	/* NULL'ify so i can tell if i need to free it or not */
482	<	ihost_state.fm_host=NULL;
483	<	ihost_state.my_fqdn=NULL;
484	<	ihost_state.server_fqdn=NULL;
485	<	ihost_state.last_modified=NULL;
486	<	ihost_state.files_list=NULL;
487	<	ihost_state.key=NULL;
740	>	time_t cur_time, sleep_delay, udp_time=0, config_time=0;
741
742	<	errf_set_progname(argv[0]);
743	<
742	>	/* Set default settings */
743	>	ihost_config.verbose=1;
744	>	ihost_config.daemon=1;
745	>	/* Set all errors to go down stderr until told otherwise */
746	>	ihost_config.log=stderr;
747
748	<	while((cmdopt=getopt(argc, argv, "vdshV")) != -1){
749	<	switch(cmdopt){
750	<	case 'v':
751	<	verbose++;
752	<	break;
753	<
754	<	case 'd':
755	<	/* Force syslog logging since stderr will be closed in this case */
756	<	syslog_logging=1;
757	<	daemon=1;
758	<	break;
759	<
748	>	/* Blank ihost_state to default settings */
749	>	ihost_state.filtermanager_host=NULL;
750	>	ihost_state.host_fqdn=NULL;
751	>	ihost_state.host_ip=NULL;
752	>	ihost_state.preset_fqdn = 0;
753	>	ihost_state.preset_ip = 0;
754	>	ihost_state.server_fqdn=NULL;
755	>	ihost_state.file_list=NULL;
756	>	ihost_state.last_modified=NULL;
757	>
758	>	while((cmdopt=getopt(argc, argv, "vfhVs:i:")) != -1){
759	>	switch(cmdopt){
760	>	case 'v':
761	>	ihost_config.verbose++;
762	>	break;
763	>
764	>	case 'f':
765	>	/* Force syslog logging since stderr will be closed in this case */
766	>	ihost_config.daemon=0;
767	>	break;
768	>
769	>	case 'h':
770	>	usage(argv[0]);
771	>	break;
772	>
773	>	case 'V':
774	>	fprintf(stderr, "%s version %s\n", argv[0], VERSION);
775	>	break;
776		case 's':
777	<	syslog_logging=1;
777	>	ihost_state.preset_fqdn = 1;
778	>	ihost_state.host_fqdn = strdup(optarg);
779	>	if(ihost_state.host_fqdn == NULL){
780	>	fprintf(stderr, "Missing hostname\n");
781	>	usage(argv[0]);
782	>	}
783		break;
784	<
785	<	case 'h':
786	<	usage(argv[0]);
784	>	case 'i':
785	>	/* Hmm.. Someone could set any string to be the IP, and it will let it */
786	>	ihost_state.preset_ip = 1;
787	>	ihost_state.host_ip = strdup(optarg);
788	>	if(ihost_state.host_ip == NULL){
789	>	fprintf(stderr, "Missing ip\n");
790	>	usage(argv[0]);
791	>	}
792		break;
793
794	<	case 'V':
795	<	errf("%s version %s",argv[0], VERSION_NO);
796	<	break;
794	>	default:
795	>	usage(argv[0]);
796	>	exit(1);
797	>	}
798	>	}
799
800	<	default:
801	<	usage(argv[0]);
802	<	exit(1);
803	<	}
520	<	}
800	>	if(argc!=optind+2){
801	>	usage(argv[0]);
802	>	exit(1);
803	>	}
804
805	<	if(argc!=optind+2){
806	<	usage(argv[0]);
805	>	ihost_state.filtermanager_host=strdup(argv[optind]);
806	>	ihost_state.filtermanager_port=atoi(argv[optind+1]);
807	>
808	>	if(gethostbyname(ihost_state.filtermanager_host)==NULL){
809	>	log_msg(LOG_CRIT, "Failed to lookup hostname. Please check settings");
810		exit(1);
811		}
812	<	ihost_state.fm_host=argv[optind];
813	<	ihost_state.fm_port=atoi(argv[optind+1]);
814	<	if(ihost_state.fm_port==0){
529	<	errf("Invalid port number");
530	<	usage(argv[0]);
812	>	if(ihost_state.filtermanager_port==0){
813	>	log_msg(LOG_ERR, "Invalid port number");
814	>	exit(1);
815		}
816
817	<	if(daemon==1){
817	>	if(ihost_config.daemon){
818		pid=fork();
819		if(pid==-1){
820	<	errf("Fork failed, can't background. Exiting");
821	<	exit(1);
820	>	log_msg(LOG_CRIT, "Failed to background exiting");
821	>	exit(1);
822		}else if(pid!=0){
823	<	/* Parent process */
824	<	return 0;
825	<	}
826	<	/* We should now be in the background*/
827	<	if(setsid()==-1){
828	<	errf("setsid failed (%m)");
823	>	/* Parent process */
824	>	return 0;
825	>	}
826	>	/* We should now be in the background*/
827	>	if(setsid()==-1){
828	>	log_msg(LOG_CRIT, "setsid failed");
829	>	exit(1);
830	>	}
831	>
832	>	if((ihost_config.log=fopen(LOG_FILE, "a"))==NULL){
833	>	ihost_config.log=stderr;
834	>	log_msg(LOG_CRIT, "Failed to open Logfiles %s for writing", LOG_FILE);
835		exit(1);
836		}
547	–	fclose(stdin);
548	–	fclose(stdout);
549	–	fclose(stderr);
550	–	}
837
838	<	if(syslog_logging==1){
839	<	openlog(errf_get_progname(),0,LOG_ERR);
840	<	setlogmask(LOG_UPTO(LOG_DEBUG));
555	<	}
556	<
557	<	switch(verbose){
558	<	case 0:
559	<	/* Critical errors + */
560	<	log_level=LOG_ERR;
561	<	break;
562	<	case 1:
563	<	/* Recoverable errors */
564	<	log_level=LOG_WARNING;
565	<	break;
566	<	case 2:
567	<	/* Print stuff like the XML packets */
568	<	log_level=LOG_INFO;
569	<	break;
570	<	default:
571	<	/* Must have lots of v's */
572	<	/* Print out everything its doing */
573	<	log_level=LOG_DEBUG;
574	<	break;
575	<	}
838	>	fclose(stdin);
839	>	fclose(stdout);
840	>	fclose(stderr);
841
842	<	logmessage(LOG_DEBUG,"Writing PID FILE");
843	<	pid=getpid();
844	<	if((f=fopen(PID_FILE,"w")) == NULL){
845	<	logmessage(LOG_WARNING, "Failed to write PID file");
846	<	}else{
847	<	if((fprintf(f,"%d",(int)pid)) > 0 ){
848	<	logmessage(LOG_WARNING, "Failed to write PID file");
849	<	}
850	<	if((fclose(f))!=0){
851	<	logmessage(LOG_ERR, "failed to close PID file");
852	<	exit(1);
853	<	}
842	>	}
843	>
844	>	log_msg(LOG_INFO, "Starting ihost");
845	>
846	>	log_msg(LOG_DEBUG,"Writing PID FILE");
847	>
848	>	pid=getpid();
849	>
850	>	if((f=fopen(PID_FILE,"w")) == NULL){
851	>	log_msg(LOG_CRIT, "Failed to write PID file");
852	>	}else{
853	>	if((fprintf(f,"%d",(int)pid)) <= 0 ){
854	>	log_msg(LOG_CRIT, "Failed to write PID file");
855	>	}
856	>	if((fclose(f))!=0){
857	>	log_msg(LOG_CRIT, "failed to close PID file");
858	>	}
859	>	}
860	>
861	>	/* Get the initial config from the filter manager. Should this fail,
862	>	* wait, and then try again. */
863	>
864	>	get_diskio_stats_diff(&packet_num);
865	>	packet_num=0;
866	>
867	>	while(ihost_getconfig(&ihost_state)!=0){
868	>	log_msg(LOG_ERR, "Failed to get ihost config");
869	>	sleep(10);
870		}
871
872	<	if(ihost_configure(&ihost_state)!=0){
873	<	logmessage(LOG_ERR,"configure failed");
874	<	/* Ok, ideally we prob should have 2 copies of the structure and carry on if this
875	<	happens.. But we dont :) (at the moment) */
595	<	exit(1);
872	>	printf("%s\n%d\n", ihost_state.server_fqdn, ihost_state.server_udp_port);
873	>	while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){
874	>	log_msg(LOG_ERR, "Failed to create udp socket");
875	>	sleep(10);
876		}
877
878	+	config_time=time(NULL)+ihost_state.config_ttl;
879	+
880	+	/* Now have config.. collect data and send as often as required */
881		for(;;){
882		cur_time=time(NULL);
600	–	if(cur_time>=tcp_time){
601	–	logmessage(LOG_DEBUG,"Sending heartbeat");
602	–	heartbeat_exit=heartbeat(&ihost_state);
603	–	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
604	–	logmessage(LOG_INFO,"heartbeat needs to be reconfigured");
605	–	ihost_configure(&ihost_state);
606	–	udp_time=0;
607	–	}
608	–	if(heartbeat_exit==-1){
609	–	logmessage(LOG_ERR,"Heartbeat failed");
610	–	exit(1);
611	–	}
612	–	tcp_time=time(NULL)+ihost_state.tcp_update_time;
613	–	logmessage(LOG_DEBUG,"next tcp time should be %d", tcp_time);
614	–	}
883
884		if(cur_time>=udp_time){
885	<	logmessage(LOG_DEBUG,"Sending udp data");
886	<	/* Work out how long it takes to get the stats for next time round
619	<	so the sleep time can be adjusted accordingly */
620	<	stat_grab_time=time(NULL);
621	<	if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){
622	<	logmessage(LOG_ERR,"Failed to get stats (%m)");
623	<	exit(1);
885	>	if((get_system_stats(packet_num++, &ihost_state, packet, MAX_UDP_PACKET_SIZE))!=0){
886	>	log_msg(LOG_ERR, "Failed to get system stats");
887		}
888	<	stat_grab_time=time(NULL)-stat_grab_time;
889	<	send_stats(&ihost_state, xml_stats);
890	<	free(xml_stats);
891	<	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
892	<	logmessage(LOG_DEBUG,"next udp time should be %d", udp_time);
888	>
889	>	len=strlen(packet);
890	>	log_msg(LOG_DEBUG, "Packet size: %d\nPacket: %s\n", len, packet);
891	>
892	>	if((sendto(udp_sockinfo.sock, packet, len, 0, (struct sockaddr *) &udp_sockinfo.addr, sizeof(udp_sockinfo.addr)))!=len){
893	>	log_msg(LOG_CRIT, "Failed to send packet");
894	>	}
895	>	udp_time=cur_time+ihost_state.udp_update_time;
896	>	log_msg(LOG_DEBUG, "Next packet should be sent on %d", udp_time);
897		}
898	+
899	+	if(cur_time>=config_time){
900	+	if(ihost_getconfig(&ihost_state)!=0){
901	+	/* If we can't get the config, try again 5 minutes time */
902	+	log_msg(LOG_ERR, "Failed to get config, try again 5 minutes time");
903	+	config_time=time(NULL)+300;
904	+	}else{
905	+	close(udp_sockinfo.sock);
906
907	<	if(tcp_time<udp_time){
908	<	sleep_delay=tcp_time-time(NULL);
909	<	}else{
910	<	sleep_delay=udp_time-time(NULL);
907	>	while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){
908	>	log_msg(LOG_CRIT, "Failed to create udp socket");
909	>	sleep(10);
910	>	}
911	>
912	>	config_time=time(NULL)+ihost_state.config_ttl;
913	>
914	>	log_msg(LOG_DEBUG, "Config expires on %d\n", ihost_state.config_ttl);
915	>	}
916		}
917	<	logmessage(LOG_DEBUG,"Sleeping for %d", sleep_delay);
917	>
918	>	sleep_delay=udp_time-time(NULL);
919	>	log_msg(LOG_DEBUG, "Sleeping for %d", sleep_delay);
920		if(sleep_delay>0) sleep(sleep_delay);
921	<	}
922	<	return 0;
921	>	}
922	>
923	>	return(0);
924		}
642	–

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