source: logging.c @ 5c81472

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Last change on this file since 5c81472 was d8671a1, checked in by Nelson Elhage <nelhage@mit.edu>, 13 years ago
logging.c: Replace / with _ in JIDs when logging Jabber
  • 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    owl_text_tr(to, '/', '_');
154  } else if (owl_message_is_type_aim(m)) {
155    char *temp2;
156    temp = owl_aim_normalize_screenname(owl_message_get_recipient(m));
157    temp2 = g_utf8_strdown(temp,-1);
158    to = owl_sprintf("aim:%s", temp2);
159    owl_free(temp2);
160    owl_free(temp);
161  } else {
162    to = owl_sprintf("loopback");
163  }
164
165  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, to);
166  owl_log_append(m, filename);
167  owl_free(to);
168
169  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
170  owl_log_append(m, filename);
171  owl_free(logpath);
172}
173
174
175void owl_log_outgoing_zephyr_error(char *to, char *text)
176{
177  FILE *file;
178  char filename[MAXPATHLEN], *logpath;
179  char *tobuff, *zwriteline;
180  owl_message *m;
181
182  /* create a present message so we can pass it to
183   * owl_log_shouldlog_message()
184   */
185  zwriteline=owl_sprintf("zwrite %s", to);
186  m=owl_function_make_outgoing_zephyr(text, zwriteline, "");
187  owl_free(zwriteline);
188  if (!owl_log_shouldlog_message(m)) {
189    owl_message_free(m);
190    return;
191  }
192  owl_message_free(m);
193
194  /* chop off a local realm */
195  tobuff=short_zuser(to);
196
197  /* expand ~ in path names */
198  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
199
200  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, tobuff);
201  file=fopen(filename, "a");
202  if (!file) {
203    owl_function_error("Unable to open file for outgoing logging");
204    owl_free(logpath);
205    owl_free(tobuff);
206    return;
207  }
208  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
209  if (text[strlen(text)-1]!='\n') {
210    fprintf(file, "\n");
211  }
212  fclose(file);
213
214  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
215  owl_free(logpath);
216  file=fopen(filename, "a");
217  if (!file) {
218    owl_function_error("Unable to open file for outgoing logging");
219    owl_free(tobuff);
220    return;
221  }
222  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
223  if (text[strlen(text)-1]!='\n') {
224    fprintf(file, "\n");
225  }
226  fclose(file);
227
228  owl_free(tobuff);
229}
230
231void owl_log_incoming(owl_message *m)
232{
233  char filename[MAXPATHLEN], allfilename[MAXPATHLEN], *logpath;
234  char *frombuff=NULL, *from=NULL;
235  int len, ch, i, personal;
236
237  /* figure out if it's a "personal" message or not */
238  if (owl_message_is_type_zephyr(m)) {
239    if (owl_message_is_personal(m)) {
240      personal = 1;
241    } else {
242      personal = 0;
243    }
244  } else if (owl_message_is_type_jabber(m)) {
245    /* This needs to be fixed to handle groupchat */
246    char* msgtype = owl_message_get_attribute_value(m,"jtype");
247    if (msgtype && !strcmp(msgtype,"groupchat")) {
248      personal = 0;
249    } else {
250      personal = 1;
251    }
252  } else {
253    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
254      personal = 1;
255    } else {
256      personal = 0;
257    }
258  }
259
260
261  if (owl_message_is_type_zephyr(m)) {
262    if (personal) {
263      from=frombuff=short_zuser(owl_message_get_sender(m));
264    } else {
265      from=frombuff=owl_strdup(owl_message_get_class(m));
266    }
267  } else if (owl_message_is_type_aim(m)) {
268    /* we do not yet handle chat rooms */
269    char *normalto, *temp;
270    temp = owl_aim_normalize_screenname(owl_message_get_sender(m));
271    normalto = g_utf8_strdown(temp, -1);
272    from=frombuff=owl_sprintf("aim:%s", normalto);
273    owl_free(normalto);
274    owl_free(temp);
275  } else if (owl_message_is_type_loopback(m)) {
276    from=frombuff=owl_strdup("loopback");
277  } else if (owl_message_is_type_jabber(m)) {
278    if (personal) {
279      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_sender(m));
280    } else {
281      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_recipient(m));
282    }
283  } else {
284    from=frombuff=owl_strdup("unknown");
285  }
286 
287  /* check for malicious sender formats */
288  len=strlen(frombuff);
289  if (len<1 || len>35) from="weird";
290  if (strchr(frombuff, '/')) from="weird";
291
292  ch=frombuff[0];
293  if (!g_ascii_isalnum(ch)) from="weird";
294
295  for (i=0; i<len; i++) {
296    if (frombuff[i]<'!' || frombuff[i]>='~') from="weird";
297  }
298
299  if (!strcmp(frombuff, ".") || !strcasecmp(frombuff, "..")) from="weird";
300
301  if (!personal) {
302    if (strcmp(from, "weird")) {
303      char* temp = g_utf8_strdown(frombuff, -1);
304      if (temp) {
305        owl_free(frombuff);
306        from = frombuff = temp;
307      }
308    }
309  }
310
311  /* create the filename (expanding ~ in path names) */
312  if (personal) {
313    logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
314    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
315    snprintf(allfilename, MAXPATHLEN, "%s/all", logpath);
316    owl_log_append(m, allfilename);
317
318  } else {
319    logpath = owl_text_substitute(owl_global_get_classlogpath(&g), "~", owl_global_get_homedir(&g));
320    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
321  }
322
323  owl_log_append(m, filename);
324
325  if (personal && owl_message_is_type_zephyr(m)) {
326    /* We want to log to all of the CC'd people who were not us, or
327     * the sender, as well.
328     */
329    char *cc, *temp;
330    cc = owl_message_get_cc_without_recipient(m);
331    if (cc != NULL) {
332      temp = strtok(cc, " ");
333      while (temp != NULL) {
334        temp = short_zuser(temp);
335        if (strcasecmp(temp, frombuff) != 0) {
336          snprintf(filename, MAXPATHLEN, "%s/%s", logpath, temp);
337          owl_log_append(m, filename);
338        }
339        temp = strtok(NULL, " ");
340      }
341      owl_free(cc);
342    }
343  }
344
345  owl_free(frombuff);
346  owl_free(logpath);
347}
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