source: logging.c @ ee0574c

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Last change on this file since ee0574c was aef51f8, checked in by Alex Vandiver <alexmv@mit.edu>, 13 years ago
Remove the opcode nolog "feature"
  • Property mode set to 100644
File size: 10.2 KB
Line 
1#include "owl.h"
2#include <stdlib.h>
3#include <string.h>
4#include <ctype.h>
5#include <sys/param.h>
6
7static const char fileIdent[] = "$Id$";
8
9/* This is now the one function that should be called to log a
10 * message.  It will do all the work necessary by calling the other
11 * functions in this file as necessary.
12 */
13void owl_log_message(owl_message *m) {
14  owl_function_debugmsg("owl_log_message: entering");
15
16  if (m == NULL) {
17    owl_function_debugmsg("owl_log_message: passed null message");
18    return;
19  }
20
21  /* should we be logging this message? */
22  if (!owl_log_shouldlog_message(m)) {
23    owl_function_debugmsg("owl_log_message: not logging message");
24    return;
25  }
26
27  /* handle incmoing messages */
28  if (owl_message_is_direction_in(m)) {
29    owl_log_incoming(m);
30    owl_function_debugmsg("owl_log_message: leaving");
31    return;
32  }
33
34  /* handle outgoing messages */
35  owl_log_outgoing(m);
36
37  owl_function_debugmsg("owl_log_message: leaving");
38}
39
40/* Return 1 if we should log the given message, otherwise return 0 */
41int owl_log_shouldlog_message(owl_message *m) {
42  owl_filter *f;
43
44  /* If there's a logfilter and this message matches it, log */
45  f=owl_global_get_filter(&g, owl_global_get_logfilter(&g));
46  if (f && owl_filter_message_match(f, m)) return(1);
47
48  /* otherwise we do things based on the logging variables */
49
50  /* skip login/logout messages if appropriate */
51  if (!owl_global_is_loglogins(&g) && owl_message_is_loginout(m)) return(0);
52     
53  /* check direction */
54  if ((owl_global_get_loggingdirection(&g)==OWL_LOGGING_DIRECTION_IN) && owl_message_is_direction_out(m)) {
55    return(0);
56  }
57  if ((owl_global_get_loggingdirection(&g)==OWL_LOGGING_DIRECTION_OUT) && owl_message_is_direction_in(m)) {
58    return(0);
59  }
60
61  if (owl_message_is_type_zephyr(m)) {
62    if (owl_message_is_personal(m) && !owl_global_is_logging(&g)) return(0);
63    if (!owl_message_is_personal(m) && !owl_global_is_classlogging(&g)) return(0);
64  } else {
65    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
66      if (!owl_global_is_logging(&g)) return(0);
67    } else {
68      if (!owl_global_is_classlogging(&g)) return(0);
69    }
70  }
71  return(1);
72}
73
74void owl_log_zephyr(owl_message *m, FILE *file) {
75    char *tmp;
76    tmp=short_zuser(owl_message_get_sender(m));
77    fprintf(file, "Class: %s Instance: %s", owl_message_get_class(m), owl_message_get_instance(m));
78    if (strcmp(owl_message_get_opcode(m), "")) fprintf(file, " Opcode: %s", owl_message_get_opcode(m));
79    fprintf(file, "\n");
80    fprintf(file, "Time: %s Host: %s\n", owl_message_get_timestr(m), owl_message_get_hostname(m));
81    fprintf(file, "From: %s <%s>\n\n", owl_message_get_zsig(m), tmp);
82    fprintf(file, "%s\n\n", owl_message_get_body(m));
83    owl_free(tmp);
84}
85
86void owl_log_aim(owl_message *m, FILE *file) {
87    fprintf(file, "From: <%s> To: <%s>\n", owl_message_get_sender(m), owl_message_get_recipient(m));
88    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
89    if (owl_message_is_login(m))
90        fprintf(file, "LOGIN\n\n");
91    else if (owl_message_is_logout(m))
92        fprintf(file, "LOGOUT\n\n");
93    else
94        fprintf(file, "%s\n\n", owl_message_get_body(m));
95}
96
97void owl_log_jabber(owl_message *m, FILE *file) {
98    fprintf(file, "From: <%s> To: <%s>\n",owl_message_get_sender(m), owl_message_get_recipient(m));
99    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
100    fprintf(file, "%s\n\n",owl_message_get_body(m));
101}
102
103void owl_log_generic(owl_message *m, FILE *file) {
104    fprintf(file, "From: <%s> To: <%s>\n", owl_message_get_sender(m), owl_message_get_recipient(m));
105    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
106    fprintf(file, "%s\n\n", owl_message_get_body(m));
107}
108
109void owl_log_append(owl_message *m, char *filename) {
110    FILE *file;
111    file=fopen(filename, "a");
112    if (!file) {
113        owl_function_error("Unable to open file for logging");
114        return;
115    }
116    if (owl_message_is_type_zephyr(m)) {
117        owl_log_zephyr(m, file);
118    } else if (owl_message_is_type_jabber(m)) {
119        owl_log_jabber(m, file);
120    } else if (owl_message_is_type_aim(m)) {
121        owl_log_aim(m, file);
122    } else {
123        owl_log_generic(m, file);
124    }
125    fclose(file);
126}
127
128void owl_log_outgoing(owl_message *m)
129{
130  char filename[MAXPATHLEN], *logpath;
131  char *to, *temp;
132
133  /* expand ~ in path names */
134  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
135
136  /* Figure out what path to log to */
137  if (owl_message_is_type_zephyr(m)) {
138    /* If this has CC's, do all but the "recipient" which we'll do below */
139    to = owl_message_get_cc_without_recipient(m);
140    if (to != NULL) {
141      temp = strtok(to, " ");
142      while (temp != NULL) {
143          temp = short_zuser(temp);
144          snprintf(filename, MAXPATHLEN, "%s/%s", logpath, temp);
145          owl_log_append(m, filename);
146          temp = strtok(NULL, " ");
147      }
148      owl_free(to);
149    }
150    to = short_zuser(owl_message_get_recipient(m));
151  } else if (owl_message_is_type_jabber(m)) {
152    to = owl_sprintf("jabber:%s", owl_message_get_recipient(m));
153  } else if (owl_message_is_type_aim(m)) {
154    char *temp2;
155    temp = owl_aim_normalize_screenname(owl_message_get_recipient(m));
156    temp2 = g_utf8_strdown(temp,-1);
157    to = owl_sprintf("aim:%s", temp2);
158    owl_free(temp2);
159    owl_free(temp);
160  } else {
161    to = owl_sprintf("loopback");
162  }
163
164  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, to);
165  owl_log_append(m, filename);
166  owl_free(to);
167
168  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
169  owl_log_append(m, filename);
170  owl_free(logpath);
171}
172
173
174void owl_log_outgoing_zephyr_error(char *to, char *text)
175{
176  FILE *file;
177  char filename[MAXPATHLEN], *logpath;
178  char *tobuff, *zwriteline;
179  owl_message *m;
180
181  /* create a present message so we can pass it to
182   * owl_log_shouldlog_message()
183   */
184  zwriteline=owl_sprintf("zwrite %s", to);
185  m=owl_function_make_outgoing_zephyr(text, zwriteline, "");
186  owl_free(zwriteline);
187  if (!owl_log_shouldlog_message(m)) {
188    owl_message_free(m);
189    return;
190  }
191  owl_message_free(m);
192
193  /* chop off a local realm */
194  tobuff=short_zuser(to);
195
196  /* expand ~ in path names */
197  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
198
199  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, tobuff);
200  file=fopen(filename, "a");
201  if (!file) {
202    owl_function_error("Unable to open file for outgoing logging");
203    owl_free(logpath);
204    owl_free(tobuff);
205    return;
206  }
207  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
208  if (text[strlen(text)-1]!='\n') {
209    fprintf(file, "\n");
210  }
211  fclose(file);
212
213  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
214  owl_free(logpath);
215  file=fopen(filename, "a");
216  if (!file) {
217    owl_function_error("Unable to open file for outgoing logging");
218    owl_free(tobuff);
219    return;
220  }
221  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
222  if (text[strlen(text)-1]!='\n') {
223    fprintf(file, "\n");
224  }
225  fclose(file);
226
227  owl_free(tobuff);
228}
229
230void owl_log_incoming(owl_message *m)
231{
232  char filename[MAXPATHLEN], allfilename[MAXPATHLEN], *logpath;
233  char *frombuff=NULL, *from=NULL;
234  int len, ch, i, personal;
235
236  /* figure out if it's a "personal" message or not */
237  if (owl_message_is_type_zephyr(m)) {
238    if (owl_message_is_personal(m)) {
239      personal = 1;
240    } else {
241      personal = 0;
242    }
243  } else if (owl_message_is_type_jabber(m)) {
244    /* This needs to be fixed to handle groupchat */
245    char* msgtype = owl_message_get_attribute_value(m,"jtype");
246    if (msgtype && !strcmp(msgtype,"groupchat")) {
247      personal = 0;
248    } else {
249      personal = 1;
250    }
251  } else {
252    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
253      personal = 1;
254    } else {
255      personal = 0;
256    }
257  }
258
259
260  if (owl_message_is_type_zephyr(m)) {
261    if (personal) {
262      from=frombuff=short_zuser(owl_message_get_sender(m));
263    } else {
264      from=frombuff=owl_strdup(owl_message_get_class(m));
265    }
266  } else if (owl_message_is_type_aim(m)) {
267    /* we do not yet handle chat rooms */
268    char *normalto, *temp;
269    temp = owl_aim_normalize_screenname(owl_message_get_sender(m));
270    normalto = g_utf8_strdown(temp, -1);
271    from=frombuff=owl_sprintf("aim:%s", normalto);
272    owl_free(normalto);
273    owl_free(temp);
274  } else if (owl_message_is_type_loopback(m)) {
275    from=frombuff=owl_strdup("loopback");
276  } else if (owl_message_is_type_jabber(m)) {
277    if (personal) {
278      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_sender(m));
279    } else {
280      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_recipient(m));
281    }
282  } else {
283    from=frombuff=owl_strdup("unknown");
284  }
285 
286  /* check for malicious sender formats */
287  len=strlen(frombuff);
288  if (len<1 || len>35) from="weird";
289  if (strchr(frombuff, '/')) from="weird";
290
291  ch=frombuff[0];
292  if (!g_ascii_isalnum(ch)) from="weird";
293
294  for (i=0; i<len; i++) {
295    if (frombuff[i]<'!' || frombuff[i]>='~') from="weird";
296  }
297
298  if (!strcmp(frombuff, ".") || !strcasecmp(frombuff, "..")) from="weird";
299
300  if (!personal) {
301    if (strcmp(from, "weird")) {
302      char* temp = g_utf8_strdown(frombuff, -1);
303      if (temp) {
304        owl_free(frombuff);
305        from = frombuff = temp;
306      }
307    }
308  }
309
310  /* create the filename (expanding ~ in path names) */
311  if (personal) {
312    logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
313    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
314    snprintf(allfilename, MAXPATHLEN, "%s/all", logpath);
315    owl_log_append(m, allfilename);
316
317  } else {
318    logpath = owl_text_substitute(owl_global_get_classlogpath(&g), "~", owl_global_get_homedir(&g));
319    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
320  }
321
322  owl_log_append(m, filename);
323
324  if (personal && owl_message_is_type_zephyr(m)) {
325    /* We want to log to all of the CC'd people who were not us, or
326     * the sender, as well.
327     */
328    char *cc, *temp;
329    cc = owl_message_get_cc_without_recipient(m);
330    if (cc != NULL) {
331      temp = strtok(cc, " ");
332      while (temp != NULL) {
333        temp = short_zuser(temp);
334        if (strcasecmp(temp, frombuff) != 0) {
335          snprintf(filename, MAXPATHLEN, "%s/%s", logpath, temp);
336          owl_log_append(m, filename);
337        }
338        temp = strtok(NULL, " ");
339      }
340      owl_free(cc);
341    }
342  }
343
344  owl_free(frombuff);
345  owl_free(logpath);
346}
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