source: zwrite.c @ 85bb19b

release-1.8release-1.9
Last change on this file since 85bb19b was 3cdd6d2, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Add owl_ptr_array_free convenience function Unfortunately, most uses of GPtrArray here require a two-step chant which is really annoying. Until we require glib 2.22 and get g_ptr_array_new_with_free_func, use this helper function.
  • Property mode set to 100644
File size: 9.1 KB
RevLine 
[7d4fbcd]1#include <string.h>
[56330ff]2#include <pwd.h>
3#include <sys/types.h>
4#include <unistd.h>
[7d4fbcd]5#include "owl.h"
6
[6829afc]7CALLER_OWN owl_zwrite *owl_zwrite_new(const char *line)
[987cf3f]8{
[96828e4]9  owl_zwrite *z = g_new(owl_zwrite, 1);
[987cf3f]10  if (owl_zwrite_create_from_line(z, line) < 0) {
11    owl_zwrite_delete(z);
12    return NULL;
13  }
14  return z;
15}
16
[d427f08]17G_GNUC_WARN_UNUSED_RESULT int owl_zwrite_create_from_line(owl_zwrite *z, const char *line)
[ce7db4d]18{
[c6b1782]19  int argc, badargs, myargc;
[65b2173]20  char **argv;
[e19eb97]21  const char *const *myargv;
[a52d13a]22  char *msg = NULL;
[7d4fbcd]23
24  badargs=0;
25 
[69f89c7]26  /* start with null entries */
[987cf3f]27  z->cmd=NULL;
[ce7db4d]28  z->realm=NULL;
29  z->class=NULL;
30  z->inst=NULL;
31  z->opcode=NULL;
32  z->zsig=NULL;
33  z->message=NULL;
[7d4fbcd]34  z->cc=0;
35  z->noping=0;
[12294d2]36  z->recips = g_ptr_array_new();
[d4927a7]37  z->zwriteline = g_strdup(line);
[7d4fbcd]38
39  /* parse the command line for options */
[c529ac8]40  argv=owl_parseline(line, &argc);
41  myargv=strs(argv);
[7d4fbcd]42  if (argc<0) {
[836ea3a3]43    owl_function_error("Unbalanced quotes in zwrite");
[7d4fbcd]44    return(-1);
45  }
46  myargc=argc;
[e1c4636]47  if (myargc && *(myargv[0])!='-') {
[d4927a7]48    z->cmd=g_strdup(myargv[0]);
[e1c4636]49    myargc--;
50    myargv++;
51  }
[7d4fbcd]52  while (myargc) {
53    if (!strcmp(myargv[0], "-c")) {
54      if (myargc<2) {
55        badargs=1;
56        break;
57      }
[4b17a6c]58      z->class=owl_validate_utf8(myargv[1]);
[7d4fbcd]59      myargv+=2;
60      myargc-=2;
61    } else if (!strcmp(myargv[0], "-i")) {
62      if (myargc<2) {
63        badargs=1;
64        break;
65      }
[4b17a6c]66      z->inst=owl_validate_utf8(myargv[1]);
[7d4fbcd]67      myargv+=2;
68      myargc-=2;
69    } else if (!strcmp(myargv[0], "-r")) {
70      if (myargc<2) {
71        badargs=1;
72        break;
73      }
[4b17a6c]74      z->realm=owl_validate_utf8(myargv[1]);
[ce7db4d]75      myargv+=2;
76      myargc-=2;
77    } else if (!strcmp(myargv[0], "-s")) {
78      if (myargc<2) {
79        badargs=1;
80        break;
81      }
[4b17a6c]82      z->zsig=owl_validate_utf8(myargv[1]);
[7d4fbcd]83      myargv+=2;
84      myargc-=2;
85    } else if (!strcmp(myargv[0], "-O")) {
86      if (myargc<2) {
87        badargs=1;
88        break;
89      }
[4b17a6c]90      z->opcode=owl_validate_utf8(myargv[1]);
[7d4fbcd]91      myargv+=2;
92      myargc-=2;
[ce7db4d]93    } else if (!strcmp(myargv[0], "-m")) {
94      if (myargc<2) {
95        badargs=1;
96        break;
97      }
[69f89c7]98      /* we must already have users or a class or an instance */
[12294d2]99      if (z->recips->len < 1 && (!z->class) && (!z->inst)) {
[ce7db4d]100        badargs=1;
101        break;
102      }
103
104      /* Once we have -m, gobble up everything else on the line */
105      myargv++;
106      myargc--;
[c6b1782]107      msg = g_strjoinv(" ", (char**)myargv);
[ce7db4d]108      break;
[7d4fbcd]109    } else if (!strcmp(myargv[0], "-C")) {
110      z->cc=1;
111      myargv++;
112      myargc--;
113    } else if (!strcmp(myargv[0], "-n")) {
114      z->noping=1;
115      myargv++;
116      myargc--;
117    } else {
118      /* anything unattached is a recipient */
[12294d2]119      g_ptr_array_add(z->recips, owl_validate_utf8(myargv[0]));
[7d4fbcd]120      myargv++;
121      myargc--;
122    }
123  }
124
[e56303f]125  g_strfreev(argv);
[7d4fbcd]126
127  if (badargs) {
128    return(-1);
129  }
130
[1fe100c]131  if (z->class == NULL &&
132      z->inst == NULL &&
[12294d2]133      z->recips->len == 0) {
[1fe100c]134    owl_function_error("You must specify a recipient for zwrite");
135    return(-1);
136  }
137
[ce7db4d]138  /* now deal with defaults */
[d4927a7]139  if (z->class==NULL) z->class=g_strdup("message");
140  if (z->inst==NULL) z->inst=g_strdup("personal");
141  if (z->realm==NULL) z->realm=g_strdup("");
142  if (z->opcode==NULL) z->opcode=g_strdup("");
[ce7db4d]143  /* z->message is allowed to stay NULL */
[a52d13a]144
145  if(msg) {
146    owl_zwrite_set_message(z, msg);
[ddbbcffa]147    g_free(msg);
[a52d13a]148  }
149
[3f3ee61]150  return(0);
151}
152
153void owl_zwrite_populate_zsig(owl_zwrite *z)
154{
[ce7db4d]155  /* get a zsig, if not given */
[de3f641]156  if (z->zsig != NULL)
157    return;
[ce7db4d]158
[de3f641]159  z->zsig = owl_perlconfig_execute(owl_global_get_zsigfunc(&g));
[7d4fbcd]160}
161
[a352029b]162void owl_zwrite_send_ping(const owl_zwrite *z)
[ce7db4d]163{
[12294d2]164  int i;
[44a61ac]165  char *to;
[7d4fbcd]166
167  if (z->noping) return;
168 
[3ef779b]169  if (strcasecmp(z->class, "message")) {
[7d4fbcd]170    return;
171  }
172
173  /* if there are no recipients we won't send a ping, which
174     is what we want */
[12294d2]175  for (i = 0; i < z->recips->len; i++) {
[3f52e14]176    to = owl_zwrite_get_recip_n_with_realm(z, i);
[3ef779b]177    send_ping(to, z->class, z->inst);
[ddbbcffa]178    g_free(to);
[7d4fbcd]179  }
180
181}
182
[7bfc613]183/* Set the message with no post-processing*/
184void owl_zwrite_set_message_raw(owl_zwrite *z, const char *msg)
185{
[3b8a563]186  g_free(z->message);
[7bfc613]187  z->message = owl_validate_utf8(msg);
188}
189
[e19eb97]190void owl_zwrite_set_message(owl_zwrite *z, const char *msg)
[ce7db4d]191{
[12294d2]192  int i;
[3f52e14]193  GString *message;
[a52d13a]194  char *tmp = NULL, *tmp2;
[db2dd3d]195
[3b8a563]196  g_free(z->message);
[db2dd3d]197
[12294d2]198  if (z->recips->len > 0 && z->cc) {
[3f52e14]199    message = g_string_new("CC: ");
[12294d2]200    for (i = 0; i < z->recips->len; i++) {
[3f52e14]201      tmp = owl_zwrite_get_recip_n_with_realm(z, i);
202      g_string_append_printf(message, "%s ", tmp);
[ddbbcffa]203      g_free(tmp);
[3538bc8]204      tmp = NULL;
[db2dd3d]205    }
[4b17a6c]206    tmp = owl_validate_utf8(msg);
[a52d13a]207    tmp2 = owl_text_expand_tabs(tmp);
[3f52e14]208    g_string_append_printf(message, "\n%s", tmp2);
209    z->message = g_string_free(message, false);
[ddbbcffa]210    g_free(tmp);
211    g_free(tmp2);
[db2dd3d]212  } else {
[a52d13a]213    tmp=owl_validate_utf8(msg);
214    z->message=owl_text_expand_tabs(tmp);
[ddbbcffa]215    g_free(tmp);
[db2dd3d]216  }
[ce7db4d]217}
218
[a352029b]219const char *owl_zwrite_get_message(const owl_zwrite *z)
[ce7db4d]220{
221  if (z->message) return(z->message);
222  return("");
223}
224
[a352029b]225int owl_zwrite_is_message_set(const owl_zwrite *z)
[ce7db4d]226{
227  if (z->message) return(1);
228  return(0);
229}
230
[a352029b]231int owl_zwrite_send_message(const owl_zwrite *z)
[ce7db4d]232{
[12294d2]233  int i, ret = 0;
[823671c]234  char *to = NULL;
[7d4fbcd]235
[ce7db4d]236  if (z->message==NULL) return(-1);
237
[12294d2]238  if (z->recips->len > 0) {
239    for (i = 0; i < z->recips->len; i++) {
[3f52e14]240      to = owl_zwrite_get_recip_n_with_realm(z, i);
[0743696]241      ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
242      /* Abort on the first error, to match the zwrite binary. */
243      if (ret != 0)
244        break;
[ddbbcffa]245      g_free(to);
[823671c]246      to = NULL;
[7d4fbcd]247    }
248  } else {
[3472845]249    to = g_strdup_printf( "@%s", z->realm);
[0743696]250    ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
[ce7db4d]251  }
[ddbbcffa]252  g_free(to);
[0743696]253  return ret;
[ce7db4d]254}
255
[e19eb97]256int owl_zwrite_create_and_send_from_line(const char *cmd, const char *msg)
[ce7db4d]257{
258  owl_zwrite z;
259  int rv;
260  rv=owl_zwrite_create_from_line(&z, cmd);
261  if (rv) return(rv);
262  if (!owl_zwrite_is_message_set(&z)) {
263    owl_zwrite_set_message(&z, msg);
[7d4fbcd]264  }
[3f3ee61]265  owl_zwrite_populate_zsig(&z);
[ce7db4d]266  owl_zwrite_send_message(&z);
[c230bc1]267  owl_zwrite_cleanup(&z);
[ce7db4d]268  return(0);
[7d4fbcd]269}
270
[a352029b]271const char *owl_zwrite_get_class(const owl_zwrite *z)
[ce7db4d]272{
[7d4fbcd]273  return(z->class);
274}
275
[a352029b]276const char *owl_zwrite_get_instance(const owl_zwrite *z)
[ce7db4d]277{
[7d4fbcd]278  return(z->inst);
279}
280
[a352029b]281const char *owl_zwrite_get_opcode(const owl_zwrite *z)
[ce7db4d]282{
[4b464a4]283  return(z->opcode);
284}
285
[e19eb97]286void owl_zwrite_set_opcode(owl_zwrite *z, const char *opcode)
[9ceee9d]287{
[3b8a563]288  g_free(z->opcode);
[4b17a6c]289  z->opcode=owl_validate_utf8(opcode);
[9ceee9d]290}
291
[a352029b]292const char *owl_zwrite_get_realm(const owl_zwrite *z)
[ce7db4d]293{
[7d4fbcd]294  return(z->realm);
295}
296
[a352029b]297const char *owl_zwrite_get_zsig(const owl_zwrite *z)
[ce7db4d]298{
299  if (z->zsig) return(z->zsig);
300  return("");
[56330ff]301}
302
[24ccc01]303void owl_zwrite_set_zsig(owl_zwrite *z, const char *zsig)
304{
[3b8a563]305  g_free(z->zsig);
[d4927a7]306  z->zsig = g_strdup(zsig);
[24ccc01]307}
308
[a352029b]309int owl_zwrite_get_numrecips(const owl_zwrite *z)
[ce7db4d]310{
[12294d2]311  return z->recips->len;
[7d4fbcd]312}
313
[a352029b]314const char *owl_zwrite_get_recip_n(const owl_zwrite *z, int n)
[ce7db4d]315{
[12294d2]316  return z->recips->pdata[n];
[7d4fbcd]317}
318
[3f52e14]319/* Caller must free the result. */
[6829afc]320CALLER_OWN char *owl_zwrite_get_recip_n_with_realm(const owl_zwrite *z, int n)
[3f52e14]321{
322  if (z->realm[0]) {
323    return g_strdup_printf("%s@%s", owl_zwrite_get_recip_n(z, n), z->realm);
324  } else {
325    return g_strdup(owl_zwrite_get_recip_n(z, n));
326  }
327}
328
[a352029b]329int owl_zwrite_is_personal(const owl_zwrite *z)
[ce7db4d]330{
[7d4fbcd]331  /* return true if at least one of the recipients is personal */
[12294d2]332  int i;
333  char *recip;
[7d4fbcd]334
[12294d2]335  for (i = 0; i < z->recips->len; i++) {
336    recip = z->recips->pdata[i];
337    if (recip[0] != '@') return 1;
[7d4fbcd]338  }
339  return(0);
340}
[3f3ee61]341
[987cf3f]342void owl_zwrite_delete(owl_zwrite *z)
343{
344  owl_zwrite_cleanup(z);
[ddbbcffa]345  g_free(z);
[987cf3f]346}
347
[c230bc1]348void owl_zwrite_cleanup(owl_zwrite *z)
[ce7db4d]349{
[3cdd6d2]350  owl_ptr_array_free(z->recips, g_free);
[3b8a563]351  g_free(z->cmd);
352  g_free(z->zwriteline);
353  g_free(z->class);
354  g_free(z->inst);
355  g_free(z->opcode);
356  g_free(z->realm);
357  g_free(z->message);
358  g_free(z->zsig);
[7d4fbcd]359}
[719119de]360
361/*
362 * Returns a zwrite line suitable for replying, specifically the
363 * message field is stripped out. Result should be freed with
[ddbbcffa]364 * g_free.
[a5b5d00]365 *
366 * If not a CC, only the recip_index'th user will be replied to.
[719119de]367 */
[6829afc]368CALLER_OWN char *owl_zwrite_get_replyline(const owl_zwrite *z, int recip_index)
[719119de]369{
370  /* Match ordering in zwrite help. */
371  GString *buf = g_string_new("");
372  int i;
373
374  /* Disturbingly, it is apparently possible to z->cmd to be null if
375   * owl_zwrite_create_from_line got something starting with -. And we
376   * can't kill it because this is exported to perl. */
377  owl_string_append_quoted_arg(buf, z->cmd ? z->cmd : "zwrite");
378  if (z->noping) {
379    g_string_append(buf, " -n");
380  }
381  if (z->cc) {
382    g_string_append(buf, " -C");
383  }
384  if (strcmp(z->class, "message")) {
385    g_string_append(buf, " -c ");
386    owl_string_append_quoted_arg(buf, z->class);
387  }
388  if (strcmp(z->inst, "personal")) {
389    g_string_append(buf, " -i ");
390    owl_string_append_quoted_arg(buf, z->inst);
391  }
392  if (z->realm && z->realm[0] != '\0') {
393    g_string_append(buf, " -r ");
394    owl_string_append_quoted_arg(buf, z->realm);
395  }
396  if (z->opcode && z->opcode[0] != '\0') {
397    g_string_append(buf, " -O ");
398    owl_string_append_quoted_arg(buf, z->opcode);
399  }
[a5b5d00]400  if (z->cc) {
[12294d2]401    for (i = 0; i < z->recips->len; i++) {
[a5b5d00]402      g_string_append_c(buf, ' ');
[12294d2]403      owl_string_append_quoted_arg(buf, z->recips->pdata[i]);
[a5b5d00]404    }
[12294d2]405  } else if (recip_index < z->recips->len) {
[719119de]406    g_string_append_c(buf, ' ');
[12294d2]407    owl_string_append_quoted_arg(buf, z->recips->pdata[recip_index]);
[719119de]408  }
409
410  return g_string_free(buf, false);
411}
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