source: zwrite.c

Last change on this file was 7dcef03, checked in by Anders Kaseorg <andersk@mit.edu>, 4 years ago
Use the Glib slice allocator for fixed-size objects The slice allocator, available since GLib 2.10, is more space-efficient than [g_]malloc. Since BarnOwl is obviously at the leading edge of space-efficient technology, this seems like a natural fit. Use it for every fixed-size object except owl_viewwin_search_data (which would need an extra destroy_cbdata function to g_slice_free it). Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 9.4 KB
Line 
1#include "owl.h"
2
3CALLER_OWN owl_zwrite *owl_zwrite_new_from_line(const char *line)
4{
5  owl_zwrite *z = g_slice_new(owl_zwrite);
6  if (owl_zwrite_create_from_line(z, line) != 0) {
7    g_slice_free(owl_zwrite, z);
8    return NULL;
9  }
10  return z;
11}
12
13CALLER_OWN owl_zwrite *owl_zwrite_new(int argc, const char *const *argv)
14{
15  owl_zwrite *z = g_slice_new(owl_zwrite);
16  if (owl_zwrite_create(z, argc, argv) != 0) {
17    g_slice_free(owl_zwrite, z);
18    return NULL;
19  }
20  return z;
21}
22
23G_GNUC_WARN_UNUSED_RESULT int owl_zwrite_create_from_line(owl_zwrite *z, const char *line)
24{
25  int argc;
26  char **argv;
27  int ret;
28
29  /* parse the command line for options */
30  argv = owl_parseline(line, &argc);
31  if (argc < 0) {
32    owl_function_error("Unbalanced quotes in zwrite");
33    return -1;
34  }
35  ret = owl_zwrite_create(z, argc, strs(argv));
36  g_strfreev(argv);
37  return ret;
38}
39
40G_GNUC_WARN_UNUSED_RESULT int owl_zwrite_create(owl_zwrite *z, int argc, const char *const *argv)
41{
42  int badargs = 0;
43  char *msg = NULL;
44 
45  /* start with null entries */
46  z->cmd=NULL;
47  z->realm=NULL;
48  z->class=NULL;
49  z->inst=NULL;
50  z->opcode=NULL;
51  z->zsig=NULL;
52  z->message=NULL;
53  z->cc=0;
54  z->noping=0;
55  z->recips = g_ptr_array_new();
56  z->zwriteline = owl_argv_quote(argc, argv);
57
58  if (argc && *(argv[0])!='-') {
59    z->cmd=g_strdup(argv[0]);
60    argc--;
61    argv++;
62  }
63  while (argc) {
64    if (!strcmp(argv[0], "-c")) {
65      if (argc<2) {
66        badargs=1;
67        break;
68      }
69      z->class=owl_validate_utf8(argv[1]);
70      argv+=2;
71      argc-=2;
72    } else if (!strcmp(argv[0], "-i")) {
73      if (argc<2) {
74        badargs=1;
75        break;
76      }
77      z->inst=owl_validate_utf8(argv[1]);
78      argv+=2;
79      argc-=2;
80    } else if (!strcmp(argv[0], "-r")) {
81      if (argc<2) {
82        badargs=1;
83        break;
84      }
85      z->realm=owl_validate_utf8(argv[1]);
86      argv+=2;
87      argc-=2;
88    } else if (!strcmp(argv[0], "-s")) {
89      if (argc<2) {
90        badargs=1;
91        break;
92      }
93      z->zsig=owl_validate_utf8(argv[1]);
94      argv+=2;
95      argc-=2;
96    } else if (!strcmp(argv[0], "-O")) {
97      if (argc<2) {
98        badargs=1;
99        break;
100      }
101      z->opcode=owl_validate_utf8(argv[1]);
102      argv+=2;
103      argc-=2;
104    } else if (!strcmp(argv[0], "-m")) {
105      if (argc<2) {
106        badargs=1;
107        break;
108      }
109      /* we must already have users or a class or an instance */
110      if (z->recips->len < 1 && (!z->class) && (!z->inst)) {
111        badargs=1;
112        break;
113      }
114
115      /* Once we have -m, gobble up everything else on the line */
116      argv++;
117      argc--;
118      msg = g_strjoinv(" ", (char**)argv);
119      break;
120    } else if (!strcmp(argv[0], "-C")) {
121      z->cc=1;
122      argv++;
123      argc--;
124    } else if (!strcmp(argv[0], "-n")) {
125      z->noping=1;
126      argv++;
127      argc--;
128    } else {
129      /* anything unattached is a recipient */
130      g_ptr_array_add(z->recips, owl_validate_utf8(argv[0]));
131      argv++;
132      argc--;
133    }
134  }
135
136  if (badargs) {
137    owl_zwrite_cleanup(z);
138    return(-1);
139  }
140
141  if (z->class == NULL &&
142      z->inst == NULL &&
143      z->recips->len == 0) {
144    owl_function_error("You must specify a recipient for zwrite");
145    owl_zwrite_cleanup(z);
146    return(-1);
147  }
148
149  /* now deal with defaults */
150  if (z->class==NULL) z->class=g_strdup("message");
151  if (z->inst==NULL) z->inst=g_strdup("personal");
152  if (z->realm==NULL) z->realm=g_strdup("");
153  if (z->opcode==NULL) z->opcode=g_strdup("");
154  /* z->message is allowed to stay NULL */
155
156  if(msg) {
157    owl_zwrite_set_message(z, msg);
158    g_free(msg);
159  }
160
161  return(0);
162}
163
164void owl_zwrite_populate_zsig(owl_zwrite *z)
165{
166  /* get a zsig, if not given */
167  if (z->zsig != NULL)
168    return;
169
170  z->zsig = owl_perlconfig_execute(owl_global_get_zsigfunc(&g));
171}
172
173void owl_zwrite_send_ping(const owl_zwrite *z)
174{
175  int i;
176  char *to;
177
178  if (z->noping) return;
179 
180  if (strcasecmp(z->class, "message")) {
181    return;
182  }
183
184  for (i = 0; i < z->recips->len; i++) {
185    to = owl_zwrite_get_recip_n_with_realm(z, i);
186    if (owl_zwrite_recip_is_personal(to))
187      send_ping(to, z->class, z->inst);
188    g_free(to);
189  }
190
191}
192
193/* Set the message with no post-processing*/
194void owl_zwrite_set_message_raw(owl_zwrite *z, const char *msg)
195{
196  g_free(z->message);
197  z->message = owl_validate_utf8(msg);
198}
199
200void owl_zwrite_set_message(owl_zwrite *z, const char *msg)
201{
202  int i;
203  GString *message;
204  char *tmp = NULL, *tmp2;
205
206  g_free(z->message);
207
208  if (z->cc && owl_zwrite_is_personal(z)) {
209    message = g_string_new("CC: ");
210    for (i = 0; i < z->recips->len; i++) {
211      tmp = owl_zwrite_get_recip_n_with_realm(z, i);
212      g_string_append_printf(message, "%s ", tmp);
213      g_free(tmp);
214      tmp = NULL;
215    }
216    tmp = owl_validate_utf8(msg);
217    tmp2 = owl_text_expand_tabs(tmp);
218    g_string_append_printf(message, "\n%s", tmp2);
219    z->message = g_string_free(message, false);
220    g_free(tmp);
221    g_free(tmp2);
222  } else {
223    tmp=owl_validate_utf8(msg);
224    z->message=owl_text_expand_tabs(tmp);
225    g_free(tmp);
226  }
227}
228
229const char *owl_zwrite_get_message(const owl_zwrite *z)
230{
231  if (z->message) return(z->message);
232  return("");
233}
234
235int owl_zwrite_is_message_set(const owl_zwrite *z)
236{
237  if (z->message) return(1);
238  return(0);
239}
240
241int owl_zwrite_send_message(const owl_zwrite *z)
242{
243  int i, ret = 0;
244  char *to = NULL;
245
246  if (z->message==NULL) return(-1);
247
248  if (z->recips->len > 0) {
249    for (i = 0; i < z->recips->len; i++) {
250      to = owl_zwrite_get_recip_n_with_realm(z, i);
251      ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
252      /* Abort on the first error, to match the zwrite binary. */
253      if (ret != 0)
254        break;
255      g_free(to);
256      to = NULL;
257    }
258  } else {
259    to = g_strdup_printf( "@%s", z->realm);
260    ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
261  }
262  g_free(to);
263  return ret;
264}
265
266int owl_zwrite_create_and_send_from_line(const char *cmd, const char *msg)
267{
268  owl_zwrite z;
269  int rv;
270  rv = owl_zwrite_create_from_line(&z, cmd);
271  if (rv != 0) return rv;
272  if (!owl_zwrite_is_message_set(&z)) {
273    owl_zwrite_set_message(&z, msg);
274  }
275  owl_zwrite_populate_zsig(&z);
276  owl_zwrite_send_message(&z);
277  owl_zwrite_cleanup(&z);
278  return(0);
279}
280
281const char *owl_zwrite_get_class(const owl_zwrite *z)
282{
283  return(z->class);
284}
285
286const char *owl_zwrite_get_instance(const owl_zwrite *z)
287{
288  return(z->inst);
289}
290
291const char *owl_zwrite_get_opcode(const owl_zwrite *z)
292{
293  return(z->opcode);
294}
295
296void owl_zwrite_set_opcode(owl_zwrite *z, const char *opcode)
297{
298  g_free(z->opcode);
299  z->opcode=owl_validate_utf8(opcode);
300}
301
302const char *owl_zwrite_get_realm(const owl_zwrite *z)
303{
304  return(z->realm);
305}
306
307const char *owl_zwrite_get_zsig(const owl_zwrite *z)
308{
309  if (z->zsig) return(z->zsig);
310  return("");
311}
312
313void owl_zwrite_set_zsig(owl_zwrite *z, const char *zsig)
314{
315  g_free(z->zsig);
316  z->zsig = g_strdup(zsig);
317}
318
319int owl_zwrite_get_numrecips(const owl_zwrite *z)
320{
321  return z->recips->len;
322}
323
324const char *owl_zwrite_get_recip_n(const owl_zwrite *z, int n)
325{
326  return z->recips->pdata[n];
327}
328
329/* Caller must free the result. */
330CALLER_OWN char *owl_zwrite_get_recip_n_with_realm(const owl_zwrite *z, int n)
331{
332  if (z->realm[0]) {
333    return g_strdup_printf("%s@%s", owl_zwrite_get_recip_n(z, n), z->realm);
334  } else {
335    return g_strdup(owl_zwrite_get_recip_n(z, n));
336  }
337}
338
339bool owl_zwrite_recip_is_personal(const char *recipient)
340{
341  return recipient[0] && recipient[0] != '@';
342}
343
344bool owl_zwrite_is_personal(const owl_zwrite *z)
345{
346  /* return true if at least one of the recipients is personal */
347  int i;
348
349  for (i = 0; i < z->recips->len; i++)
350    if (owl_zwrite_recip_is_personal(z->recips->pdata[i]))
351      return true;
352  return false;
353}
354
355void owl_zwrite_delete(owl_zwrite *z)
356{
357  owl_zwrite_cleanup(z);
358  g_slice_free(owl_zwrite, z);
359}
360
361void owl_zwrite_cleanup(owl_zwrite *z)
362{
363  owl_ptr_array_free(z->recips, g_free);
364  g_free(z->cmd);
365  g_free(z->zwriteline);
366  g_free(z->class);
367  g_free(z->inst);
368  g_free(z->opcode);
369  g_free(z->realm);
370  g_free(z->message);
371  g_free(z->zsig);
372}
373
374/*
375 * Returns a zwrite line suitable for replying, specifically the
376 * message field is stripped out. Result should be freed with
377 * g_free.
378 *
379 * If not a CC, only the recip_index'th user will be replied to.
380 */
381CALLER_OWN char *owl_zwrite_get_replyline(const owl_zwrite *z, int recip_index)
382{
383  /* Match ordering in zwrite help. */
384  GString *buf = g_string_new("");
385  int i;
386
387  /* Disturbingly, it is apparently possible to z->cmd to be null if
388   * owl_zwrite_create_from_line got something starting with -. And we
389   * can't kill it because this is exported to perl. */
390  owl_string_append_quoted_arg(buf, z->cmd ? z->cmd : "zwrite");
391  if (z->noping) {
392    g_string_append(buf, " -n");
393  }
394  if (z->cc) {
395    g_string_append(buf, " -C");
396  }
397  if (strcmp(z->class, "message")) {
398    g_string_append(buf, " -c ");
399    owl_string_append_quoted_arg(buf, z->class);
400  }
401  if (strcmp(z->inst, "personal")) {
402    g_string_append(buf, " -i ");
403    owl_string_append_quoted_arg(buf, z->inst);
404  }
405  if (z->realm && z->realm[0] != '\0') {
406    g_string_append(buf, " -r ");
407    owl_string_append_quoted_arg(buf, z->realm);
408  }
409  if (z->opcode && z->opcode[0] != '\0') {
410    g_string_append(buf, " -O ");
411    owl_string_append_quoted_arg(buf, z->opcode);
412  }
413  if (z->cc) {
414    for (i = 0; i < z->recips->len; i++) {
415      g_string_append_c(buf, ' ');
416      owl_string_append_quoted_arg(buf, z->recips->pdata[i]);
417    }
418  } else if (recip_index < z->recips->len) {
419    g_string_append_c(buf, ' ');
420    owl_string_append_quoted_arg(buf, z->recips->pdata[recip_index]);
421  }
422
423  return g_string_free(buf, false);
424}
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