source: logging.c @ f4d4a00

release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since f4d4a00 was 4542047, checked in by Anders Kaseorg <andersk@mit.edu>, 12 years ago
Add const qualifiers for owl_filter *. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 10.3 KB
Line 
1#include "owl.h"
2#include <stdlib.h>
3#include <string.h>
4#include <ctype.h>
5#include <sys/param.h>
6
7/* This is now the one function that should be called to log a
8 * message.  It will do all the work necessary by calling the other
9 * functions in this file as necessary.
10 */
11void owl_log_message(const owl_message *m) {
12  owl_function_debugmsg("owl_log_message: entering");
13
14  if (m == NULL) {
15    owl_function_debugmsg("owl_log_message: passed null message");
16    return;
17  }
18
19  /* should we be logging this message? */
20  if (!owl_log_shouldlog_message(m)) {
21    owl_function_debugmsg("owl_log_message: not logging message");
22    return;
23  }
24
25  /* handle incmoing messages */
26  if (owl_message_is_direction_in(m)) {
27    owl_log_incoming(m);
28    owl_function_debugmsg("owl_log_message: leaving");
29    return;
30  }
31
32  /* handle outgoing messages */
33  owl_log_outgoing(m);
34
35  owl_function_debugmsg("owl_log_message: leaving");
36}
37
38/* Return 1 if we should log the given message, otherwise return 0 */
39int owl_log_shouldlog_message(const owl_message *m) {
40  const owl_filter *f;
41
42  /* If there's a logfilter and this message matches it, log */
43  f=owl_global_get_filter(&g, owl_global_get_logfilter(&g));
44  if (f && owl_filter_message_match(f, m)) return(1);
45
46  /* otherwise we do things based on the logging variables */
47
48  /* skip login/logout messages if appropriate */
49  if (!owl_global_is_loglogins(&g) && owl_message_is_loginout(m)) return(0);
50     
51  /* check direction */
52  if ((owl_global_get_loggingdirection(&g)==OWL_LOGGING_DIRECTION_IN) && owl_message_is_direction_out(m)) {
53    return(0);
54  }
55  if ((owl_global_get_loggingdirection(&g)==OWL_LOGGING_DIRECTION_OUT) && owl_message_is_direction_in(m)) {
56    return(0);
57  }
58
59  if (owl_message_is_type_zephyr(m)) {
60    if (owl_message_is_personal(m) && !owl_global_is_logging(&g)) return(0);
61    if (!owl_message_is_personal(m) && !owl_global_is_classlogging(&g)) return(0);
62  } else {
63    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
64      if (!owl_global_is_logging(&g)) return(0);
65    } else {
66      if (!owl_global_is_classlogging(&g)) return(0);
67    }
68  }
69  return(1);
70}
71
72void owl_log_zephyr(const owl_message *m, FILE *file) {
73    char *tmp;
74    tmp=short_zuser(owl_message_get_sender(m));
75    fprintf(file, "Class: %s Instance: %s", owl_message_get_class(m), owl_message_get_instance(m));
76    if (strcmp(owl_message_get_opcode(m), "")) fprintf(file, " Opcode: %s", owl_message_get_opcode(m));
77    fprintf(file, "\n");
78    fprintf(file, "Time: %s Host: %s\n", owl_message_get_timestr(m), owl_message_get_hostname(m));
79    fprintf(file, "From: %s <%s>\n\n", owl_message_get_zsig(m), tmp);
80    fprintf(file, "%s\n\n", owl_message_get_body(m));
81    owl_free(tmp);
82}
83
84void owl_log_aim(const owl_message *m, FILE *file) {
85    fprintf(file, "From: <%s> To: <%s>\n", owl_message_get_sender(m), owl_message_get_recipient(m));
86    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
87    if (owl_message_is_login(m))
88        fprintf(file, "LOGIN\n\n");
89    else if (owl_message_is_logout(m))
90        fprintf(file, "LOGOUT\n\n");
91    else
92        fprintf(file, "%s\n\n", owl_message_get_body(m));
93}
94
95void owl_log_jabber(const owl_message *m, FILE *file) {
96    fprintf(file, "From: <%s> To: <%s>\n",owl_message_get_sender(m), owl_message_get_recipient(m));
97    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
98    fprintf(file, "%s\n\n",owl_message_get_body(m));
99}
100
101void owl_log_generic(const owl_message *m, FILE *file) {
102    fprintf(file, "From: <%s> To: <%s>\n", owl_message_get_sender(m), owl_message_get_recipient(m));
103    fprintf(file, "Time: %s\n\n", owl_message_get_timestr(m));
104    fprintf(file, "%s\n\n", owl_message_get_body(m));
105}
106
107void owl_log_append(const owl_message *m, const char *filename) {
108    FILE *file;
109    file=fopen(filename, "a");
110    if (!file) {
111        owl_function_error("Unable to open file for logging");
112        return;
113    }
114    if (owl_message_is_type_zephyr(m)) {
115        owl_log_zephyr(m, file);
116    } else if (owl_message_is_type_jabber(m)) {
117        owl_log_jabber(m, file);
118    } else if (owl_message_is_type_aim(m)) {
119        owl_log_aim(m, file);
120    } else {
121        owl_log_generic(m, file);
122    }
123    fclose(file);
124}
125
126void owl_log_outgoing(const owl_message *m)
127{
128  char filename[MAXPATHLEN], *logpath;
129  char *to, *temp;
130
131  /* expand ~ in path names */
132  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
133
134  /* Figure out what path to log to */
135  if (owl_message_is_type_zephyr(m)) {
136    /* If this has CC's, do all but the "recipient" which we'll do below */
137    to = owl_message_get_cc_without_recipient(m);
138    if (to != NULL) {
139      temp = strtok(to, " ");
140      while (temp != NULL) {
141          temp = short_zuser(temp);
142          snprintf(filename, MAXPATHLEN, "%s/%s", logpath, temp);
143          owl_log_append(m, filename);
144          temp = strtok(NULL, " ");
145      }
146      owl_free(to);
147    }
148    to = short_zuser(owl_message_get_recipient(m));
149  } else if (owl_message_is_type_jabber(m)) {
150    to = owl_sprintf("jabber:%s", owl_message_get_recipient(m));
151    owl_text_tr(to, '/', '_');
152  } else if (owl_message_is_type_aim(m)) {
153    char *temp2;
154    temp = owl_aim_normalize_screenname(owl_message_get_recipient(m));
155    temp2 = g_utf8_strdown(temp,-1);
156    to = owl_sprintf("aim:%s", temp2);
157    owl_free(temp2);
158    owl_free(temp);
159  } else {
160    to = owl_sprintf("loopback");
161  }
162
163  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, to);
164  owl_log_append(m, filename);
165  owl_free(to);
166
167  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
168  owl_log_append(m, filename);
169  owl_free(logpath);
170}
171
172
173void owl_log_outgoing_zephyr_error(const char *to, const char *text)
174{
175  FILE *file;
176  char filename[MAXPATHLEN], *logpath;
177  char *tobuff, *zwriteline;
178  owl_message *m;
179
180  /* create a present message so we can pass it to
181   * owl_log_shouldlog_message()
182   */
183  zwriteline=owl_sprintf("zwrite %s", to);
184  m=owl_function_make_outgoing_zephyr(text, zwriteline, "");
185  owl_free(zwriteline);
186  if (!owl_log_shouldlog_message(m)) {
187    owl_message_free(m);
188    return;
189  }
190  owl_message_free(m);
191
192  /* chop off a local realm */
193  tobuff=short_zuser(to);
194
195  /* expand ~ in path names */
196  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
197
198  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, tobuff);
199  file=fopen(filename, "a");
200  if (!file) {
201    owl_function_error("Unable to open file for outgoing logging");
202    owl_free(logpath);
203    owl_free(tobuff);
204    return;
205  }
206  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
207  if (text[strlen(text)-1]!='\n') {
208    fprintf(file, "\n");
209  }
210  fclose(file);
211
212  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
213  owl_free(logpath);
214  file=fopen(filename, "a");
215  if (!file) {
216    owl_function_error("Unable to open file for outgoing logging");
217    owl_free(tobuff);
218    return;
219  }
220  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
221  if (text[strlen(text)-1]!='\n') {
222    fprintf(file, "\n");
223  }
224  fclose(file);
225
226  owl_free(tobuff);
227}
228
229void owl_log_incoming(const owl_message *m)
230{
231  char filename[MAXPATHLEN], allfilename[MAXPATHLEN], *logpath;
232  const char *from=NULL;
233  char *frombuff=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    const 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}
Note: See TracBrowser for help on using the repository browser.