source: logging.c @ 1b9a163

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Last change on this file since 1b9a163 was c79a047, checked in by Anders Kaseorg <andersk@mit.edu>, 15 years ago
Correctly prototype functions with no parameters as foo(void), not foo(). foo() is a deprecated old-style prototype for a function that takes any arguments. Specifying foo(void) catches more bugs. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 10.3 KB
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[7d4fbcd]1#include "owl.h"
2#include <stdlib.h>
3#include <string.h>
4#include <ctype.h>
5#include <sys/param.h>
6
[15b34fd]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 */
[c08c70a]11void owl_log_message(const owl_message *m) {
[15b34fd]12  owl_function_debugmsg("owl_log_message: entering");
13
[3c7d086a]14  if (m == NULL) {
15    owl_function_debugmsg("owl_log_message: passed null message");
16    return;
17  }
18
[15b34fd]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 */
[42947f1]33  owl_log_outgoing(m);
34
[15b34fd]35  owl_function_debugmsg("owl_log_message: leaving");
36}
[7d4fbcd]37
[15b34fd]38/* Return 1 if we should log the given message, otherwise return 0 */
[c08c70a]39int owl_log_shouldlog_message(const owl_message *m) {
[4542047]40  const owl_filter *f;
[12c35df]41
[15b34fd]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);
[7d4fbcd]45
[15b34fd]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    }
[7d4fbcd]68  }
[15b34fd]69  return(1);
70}
71
[c08c70a]72void owl_log_zephyr(const owl_message *m, FILE *file) {
[42947f1]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
[c08c70a]84void owl_log_aim(const owl_message *m, FILE *file) {
[42947f1]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
[c08c70a]95void owl_log_jabber(const owl_message *m, FILE *file) {
[42947f1]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
[c08c70a]101void owl_log_generic(const owl_message *m, FILE *file) {
[42947f1]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
[c08c70a]107void owl_log_append(const owl_message *m, const char *filename) {
[42947f1]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
[c08c70a]126void owl_log_outgoing(const owl_message *m)
[15b34fd]127{
128  char filename[MAXPATHLEN], *logpath;
[9c590d4]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));
[15b34fd]133
[42947f1]134  /* Figure out what path to log to */
135  if (owl_message_is_type_zephyr(m)) {
[af1920fd]136    /* If this has CC's, do all but the "recipient" which we'll do below */
[9c590d4]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));
[42947f1]149  } else if (owl_message_is_type_jabber(m)) {
[9c590d4]150    to = owl_sprintf("jabber:%s", owl_message_get_recipient(m));
[d8671a1]151    owl_text_tr(to, '/', '_');
[42947f1]152  } else if (owl_message_is_type_aim(m)) {
[28ee32b]153    char *temp2;
[9c590d4]154    temp = owl_aim_normalize_screenname(owl_message_get_recipient(m));
[28ee32b]155    temp2 = g_utf8_strdown(temp,-1);
156    to = owl_sprintf("aim:%s", temp2);
157    owl_free(temp2);
[9c590d4]158    owl_free(temp);
[42947f1]159  } else {
[9c590d4]160    to = owl_sprintf("loopback");
[42947f1]161  }
[7d4fbcd]162
[15b34fd]163  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, to);
[42947f1]164  owl_log_append(m, filename);
[9c590d4]165  owl_free(to);
[7d4fbcd]166
[e1c4636]167  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
[42947f1]168  owl_log_append(m, filename);
[9c590d4]169  owl_free(logpath);
[7d4fbcd]170}
171
[42947f1]172
[24ccc01]173void owl_log_outgoing_zephyr_error(const owl_zwrite *zw, const char *text)
[2b86d14]174{
175  FILE *file;
176  char filename[MAXPATHLEN], *logpath;
[e2ebf39]177  char *tobuff;
[180cd15]178  owl_message *m;
179
180  /* create a present message so we can pass it to
[c79a047]181   * owl_log_shouldlog_message(void)
[180cd15]182   */
[24ccc01]183  m = owl_malloc(sizeof(owl_message));
184  owl_message_create_from_zwrite(m, zw, text);
[180cd15]185  if (!owl_log_shouldlog_message(m)) {
186    owl_message_free(m);
187    return;
188  }
189  owl_message_free(m);
[2b86d14]190
[180cd15]191  /* chop off a local realm */
[24ccc01]192  tobuff = short_zuser(owl_list_get_element(&(zw->recips), 0));
[2b86d14]193
194  /* expand ~ in path names */
[15b34fd]195  logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
[2b86d14]196
197  snprintf(filename, MAXPATHLEN, "%s/%s", logpath, tobuff);
198  file=fopen(filename, "a");
199  if (!file) {
200    owl_function_error("Unable to open file for outgoing logging");
201    owl_free(logpath);
[15b34fd]202    owl_free(tobuff);
[2b86d14]203    return;
204  }
205  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
206  if (text[strlen(text)-1]!='\n') {
207    fprintf(file, "\n");
208  }
209  fclose(file);
210
211  snprintf(filename, MAXPATHLEN, "%s/all", logpath);
212  owl_free(logpath);
213  file=fopen(filename, "a");
214  if (!file) {
215    owl_function_error("Unable to open file for outgoing logging");
[15b34fd]216    owl_free(tobuff);
[2b86d14]217    return;
218  }
219  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
220  if (text[strlen(text)-1]!='\n') {
221    fprintf(file, "\n");
222  }
223  fclose(file);
224
225  owl_free(tobuff);
226}
227
[c08c70a]228void owl_log_incoming(const owl_message *m)
[15283bb]229{
[e1c4636]230  char filename[MAXPATHLEN], allfilename[MAXPATHLEN], *logpath;
[e19eb97]231  const char *from=NULL;
[65b2173]232  char *frombuff=NULL;
[7d4fbcd]233  int len, ch, i, personal;
[12c35df]234
[15b34fd]235  /* figure out if it's a "personal" message or not */
[aac889a]236  if (owl_message_is_type_zephyr(m)) {
237    if (owl_message_is_personal(m)) {
[42947f1]238      personal = 1;
[aac889a]239    } else {
[42947f1]240      personal = 0;
[aac889a]241    }
[2182be3]242  } else if (owl_message_is_type_jabber(m)) {
[42947f1]243    /* This needs to be fixed to handle groupchat */
[e19eb97]244    const char* msgtype = owl_message_get_attribute_value(m,"jtype");
[42947f1]245    if (msgtype && !strcmp(msgtype,"groupchat")) {
246      personal = 0;
247    } else {
248      personal = 1;
249    }
[7d4fbcd]250  } else {
[79a0e82]251    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
[42947f1]252      personal = 1;
[aac889a]253    } else {
[42947f1]254      personal = 0;
[aac889a]255    }
[7d4fbcd]256  }
257
[2182be3]258
[aac889a]259  if (owl_message_is_type_zephyr(m)) {
260    if (personal) {
[3066d23]261      from=frombuff=short_zuser(owl_message_get_sender(m));
[aac889a]262    } else {
263      from=frombuff=owl_strdup(owl_message_get_class(m));
[7d4fbcd]264    }
[aac889a]265  } else if (owl_message_is_type_aim(m)) {
266    /* we do not yet handle chat rooms */
[28ee32b]267    char *normalto, *temp;
268    temp = owl_aim_normalize_screenname(owl_message_get_sender(m));
269    normalto = g_utf8_strdown(temp, -1);
[421c286f]270    from=frombuff=owl_sprintf("aim:%s", normalto);
271    owl_free(normalto);
[28ee32b]272    owl_free(temp);
[37eab7f]273  } else if (owl_message_is_type_loopback(m)) {
274    from=frombuff=owl_strdup("loopback");
[2182be3]275  } else if (owl_message_is_type_jabber(m)) {
[5c30091]276    if (personal) {
277      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_sender(m));
278    } else {
279      from=frombuff=owl_sprintf("jabber:%s",owl_message_get_recipient(m));
280    }
[e6449bc]281  } else {
282    from=frombuff=owl_strdup("unknown");
[7d4fbcd]283  }
284 
285  /* check for malicious sender formats */
286  len=strlen(frombuff);
287  if (len<1 || len>35) from="weird";
288  if (strchr(frombuff, '/')) from="weird";
289
290  ch=frombuff[0];
[28ee32b]291  if (!g_ascii_isalnum(ch)) from="weird";
[7d4fbcd]292
293  for (i=0; i<len; i++) {
[e1c4636]294    if (frombuff[i]<'!' || frombuff[i]>='~') from="weird";
[7d4fbcd]295  }
296
297  if (!strcmp(frombuff, ".") || !strcasecmp(frombuff, "..")) from="weird";
298
299  if (!personal) {
[28ee32b]300    if (strcmp(from, "weird")) {
301      char* temp = g_utf8_strdown(frombuff, -1);
302      if (temp) {
303        owl_free(frombuff);
304        from = frombuff = temp;
305      }
306    }
[7d4fbcd]307  }
308
[e1c4636]309  /* create the filename (expanding ~ in path names) */
[7d4fbcd]310  if (personal) {
[15b34fd]311    logpath = owl_text_substitute(owl_global_get_logpath(&g), "~", owl_global_get_homedir(&g));
[e1c4636]312    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
313    snprintf(allfilename, MAXPATHLEN, "%s/all", logpath);
[d0961fe]314    owl_log_append(m, allfilename);
[e1c4636]315
[7d4fbcd]316  } else {
[15b34fd]317    logpath = owl_text_substitute(owl_global_get_classlogpath(&g), "~", owl_global_get_homedir(&g));
[e1c4636]318    snprintf(filename, MAXPATHLEN, "%s/%s", logpath, from);
[7d4fbcd]319  }
[37eab7f]320
[42947f1]321  owl_log_append(m, filename);
[7d4fbcd]322
[d0961fe]323  if (personal && owl_message_is_type_zephyr(m)) {
[af1920fd]324    /* We want to log to all of the CC'd people who were not us, or
325     * the sender, as well.
326     */
[d0961fe]327    char *cc, *temp;
328    cc = owl_message_get_cc_without_recipient(m);
329    if (cc != NULL) {
330      temp = strtok(cc, " ");
331      while (temp != NULL) {
332        temp = short_zuser(temp);
333        if (strcasecmp(temp, frombuff) != 0) {
334          snprintf(filename, MAXPATHLEN, "%s/%s", logpath, temp);
335          owl_log_append(m, filename);
336        }
337        temp = strtok(NULL, " ");
338      }
339      owl_free(cc);
340    }
341  }
[7d4fbcd]342
[d0961fe]343  owl_free(frombuff);
344  owl_free(logpath);
[7d4fbcd]345}
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