source: logging.c @ b13daa0

release-1.8release-1.9
Last change on this file since b13daa0 was e3a75ed, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Replace the remaining snprintfs with g_strdup_printf Hard-coded buffer sizes are silly.
  • Property mode set to 100644
File size: 10.1 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    g_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, *logpath;
129  char *to, *temp;
130  GList *cc;
131
132  /* expand ~ in path names */
133  logpath = owl_util_makepath(owl_global_get_logpath(&g));
134
135  /* Figure out what path to log to */
136  if (owl_message_is_type_zephyr(m)) {
137    /* If this has CC's, do all but the "recipient" which we'll do below */
138    cc = owl_message_get_cc_without_recipient(m);
139    while (cc != NULL) {
140      temp = short_zuser(cc->data);
141      filename = g_strdup_printf("%s/%s", logpath, temp);
142      owl_log_append(m, filename);
143
144      g_free(filename);
145      g_free(temp);
146      g_free(cc->data);
147      cc = g_list_delete_link(cc, cc);
148    }
149
150    to = short_zuser(owl_message_get_recipient(m));
151  } else if (owl_message_is_type_jabber(m)) {
152    to = g_strdup_printf("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 = g_strdup_printf("aim:%s", temp2);
159    g_free(temp2);
160    g_free(temp);
161  } else {
162    to = g_strdup("loopback");
163  }
164
165  filename = g_strdup_printf("%s/%s", logpath, to);
166  owl_log_append(m, filename);
167  g_free(to);
168  g_free(filename);
169
170  filename = g_strdup_printf("%s/all", logpath);
171  owl_log_append(m, filename);
172  g_free(logpath);
173  g_free(filename);
174}
175
176
177void owl_log_outgoing_zephyr_error(const owl_zwrite *zw, const char *text)
178{
179  FILE *file;
180  char *filename, *logpath;
181  char *tobuff;
182  owl_message *m;
183
184  /* create a present message so we can pass it to
185   * owl_log_shouldlog_message(void)
186   */
187  m = g_new(owl_message, 1);
188  owl_message_create_from_zwrite(m, zw, text);
189  if (!owl_log_shouldlog_message(m)) {
190    owl_message_delete(m);
191    return;
192  }
193  owl_message_delete(m);
194
195  /* chop off a local realm */
196  tobuff = short_zuser(owl_list_get_element(&(zw->recips), 0));
197
198  /* expand ~ in path names */
199  logpath = owl_util_makepath(owl_global_get_logpath(&g));
200
201  filename = g_strdup_printf("%s/%s", logpath, tobuff);
202  file=fopen(filename, "a");
203  g_free(filename);
204  if (!file) {
205    owl_function_error("Unable to open file for outgoing logging");
206    g_free(logpath);
207    g_free(tobuff);
208    return;
209  }
210  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
211  if (text[strlen(text)-1]!='\n') {
212    fprintf(file, "\n");
213  }
214  fclose(file);
215
216  filename = g_strdup_printf("%s/all", logpath);
217  g_free(logpath);
218  file=fopen(filename, "a");
219  g_free(filename);
220  if (!file) {
221    owl_function_error("Unable to open file for outgoing logging");
222    g_free(tobuff);
223    return;
224  }
225  fprintf(file, "ERROR (owl): %s\n%s\n", tobuff, text);
226  if (text[strlen(text)-1]!='\n') {
227    fprintf(file, "\n");
228  }
229  fclose(file);
230
231  g_free(tobuff);
232}
233
234void owl_log_incoming(const owl_message *m)
235{
236  char *filename, *allfilename, *logpath;
237  const char *from=NULL;
238  char *frombuff=NULL;
239  int len, ch, i, personal;
240
241  /* figure out if it's a "personal" message or not */
242  if (owl_message_is_type_zephyr(m)) {
243    if (owl_message_is_personal(m)) {
244      personal = 1;
245    } else {
246      personal = 0;
247    }
248  } else if (owl_message_is_type_jabber(m)) {
249    /* This needs to be fixed to handle groupchat */
250    const char* msgtype = owl_message_get_attribute_value(m,"jtype");
251    if (msgtype && !strcmp(msgtype,"groupchat")) {
252      personal = 0;
253    } else {
254      personal = 1;
255    }
256  } else {
257    if (owl_message_is_private(m) || owl_message_is_loginout(m)) {
258      personal = 1;
259    } else {
260      personal = 0;
261    }
262  }
263
264
265  if (owl_message_is_type_zephyr(m)) {
266    if (personal) {
267      from=frombuff=short_zuser(owl_message_get_sender(m));
268    } else {
269      from=frombuff=g_strdup(owl_message_get_class(m));
270    }
271  } else if (owl_message_is_type_aim(m)) {
272    /* we do not yet handle chat rooms */
273    char *normalto, *temp;
274    temp = owl_aim_normalize_screenname(owl_message_get_sender(m));
275    normalto = g_utf8_strdown(temp, -1);
276    from=frombuff=g_strdup_printf("aim:%s", normalto);
277    g_free(normalto);
278    g_free(temp);
279  } else if (owl_message_is_type_loopback(m)) {
280    from=frombuff=g_strdup("loopback");
281  } else if (owl_message_is_type_jabber(m)) {
282    if (personal) {
283      from=frombuff=g_strdup_printf("jabber:%s",owl_message_get_sender(m));
284    } else {
285      from=frombuff=g_strdup_printf("jabber:%s",owl_message_get_recipient(m));
286    }
287  } else {
288    from=frombuff=g_strdup("unknown");
289  }
290 
291  /* check for malicious sender formats */
292  len=strlen(frombuff);
293  if (len<1 || len>35) from="weird";
294  if (strchr(frombuff, '/')) from="weird";
295
296  ch=frombuff[0];
297  if (!g_ascii_isalnum(ch)) from="weird";
298
299  for (i=0; i<len; i++) {
300    if (frombuff[i]<'!' || frombuff[i]>='~') from="weird";
301  }
302
303  if (!strcmp(frombuff, ".") || !strcasecmp(frombuff, "..")) from="weird";
304
305  if (!personal) {
306    if (strcmp(from, "weird")) {
307      char* temp = g_utf8_strdown(frombuff, -1);
308      if (temp) {
309        g_free(frombuff);
310        from = frombuff = temp;
311      }
312    }
313  }
314
315  /* create the filename (expanding ~ in path names) */
316  if (personal) {
317    logpath = owl_util_makepath(owl_global_get_logpath(&g));
318    filename = g_strdup_printf("%s/%s", logpath, from);
319    allfilename = g_strdup_printf("%s/all", logpath);
320    owl_log_append(m, allfilename);
321    g_free(allfilename);
322  } else {
323    logpath = owl_util_makepath(owl_global_get_classlogpath(&g));
324    filename = g_strdup_printf("%s/%s", logpath, from);
325  }
326
327  owl_log_append(m, filename);
328  g_free(filename);
329
330  if (personal && owl_message_is_type_zephyr(m)) {
331    /* We want to log to all of the CC'd people who were not us, or
332     * the sender, as well.
333     */
334    char *temp;
335    GList *cc;
336    cc = owl_message_get_cc_without_recipient(m);
337    while (cc != NULL) {
338      temp = short_zuser(cc->data);
339      if (strcasecmp(temp, frombuff) != 0) {
340        filename = g_strdup_printf("%s/%s", logpath, temp);
341        owl_log_append(m, filename);
342        g_free(filename);
343      }
344
345      g_free(temp);
346      g_free(cc->data);
347      cc = g_list_delete_link(cc, cc);
348    }
349  }
350
351  g_free(frombuff);
352  g_free(logpath);
353}
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