source: zwrite.c @ 77bced3

release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 77bced3 was e19eb97, checked in by Anders Kaseorg <andersk@mit.edu>, 13 years ago
Add const qualifiers for char * and void *. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 8.8 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
[e19eb97]7int owl_zwrite_create_from_line(owl_zwrite *z, const char *line)
[ce7db4d]8{
[a52d13a]9  int argc, badargs, myargc, i, len;
[65b2173]10  char **argv;
[e19eb97]11  const char *const *myargv;
[a52d13a]12  char *msg = NULL;
[7d4fbcd]13
14  badargs=0;
15 
[69f89c7]16  /* start with null entries */
[ce7db4d]17  z->realm=NULL;
18  z->class=NULL;
19  z->inst=NULL;
20  z->opcode=NULL;
21  z->zsig=NULL;
22  z->message=NULL;
[7d4fbcd]23  z->cc=0;
24  z->noping=0;
25  owl_list_create(&(z->recips));
26
27  /* parse the command line for options */
[c529ac8]28  argv=owl_parseline(line, &argc);
29  myargv=strs(argv);
[7d4fbcd]30  if (argc<0) {
[836ea3a3]31    owl_function_error("Unbalanced quotes in zwrite");
[7d4fbcd]32    return(-1);
33  }
34  myargc=argc;
[e1c4636]35  if (myargc && *(myargv[0])!='-') {
36    myargc--;
37    myargv++;
38  }
[7d4fbcd]39  while (myargc) {
40    if (!strcmp(myargv[0], "-c")) {
41      if (myargc<2) {
42        badargs=1;
43        break;
44      }
[4b17a6c]45      z->class=owl_validate_utf8(myargv[1]);
[7d4fbcd]46      myargv+=2;
47      myargc-=2;
48    } else if (!strcmp(myargv[0], "-i")) {
49      if (myargc<2) {
50        badargs=1;
51        break;
52      }
[4b17a6c]53      z->inst=owl_validate_utf8(myargv[1]);
[7d4fbcd]54      myargv+=2;
55      myargc-=2;
56    } else if (!strcmp(myargv[0], "-r")) {
57      if (myargc<2) {
58        badargs=1;
59        break;
60      }
[4b17a6c]61      z->realm=owl_validate_utf8(myargv[1]);
[ce7db4d]62      myargv+=2;
63      myargc-=2;
64    } else if (!strcmp(myargv[0], "-s")) {
65      if (myargc<2) {
66        badargs=1;
67        break;
68      }
[4b17a6c]69      z->zsig=owl_validate_utf8(myargv[1]);
[7d4fbcd]70      myargv+=2;
71      myargc-=2;
72    } else if (!strcmp(myargv[0], "-O")) {
73      if (myargc<2) {
74        badargs=1;
75        break;
76      }
[4b17a6c]77      z->opcode=owl_validate_utf8(myargv[1]);
[7d4fbcd]78      myargv+=2;
79      myargc-=2;
[ce7db4d]80    } else if (!strcmp(myargv[0], "-m")) {
81      if (myargc<2) {
82        badargs=1;
83        break;
84      }
[69f89c7]85      /* we must already have users or a class or an instance */
[e016fc2]86      if (owl_list_get_size(&(z->recips))<1 && (!z->class) && (!z->inst)) {
[ce7db4d]87        badargs=1;
88        break;
89      }
90
91      /* Once we have -m, gobble up everything else on the line */
92      myargv++;
93      myargc--;
[a52d13a]94      len = 0;
95      for (i=0;i<myargc;i++) {
96        len += strlen(myargv[i-1]) + 1;
97      }
98      msg = owl_malloc(len);
99      msg[0] = '\0';
[ce7db4d]100      while (myargc) {
[a52d13a]101        strcat(msg, myargv[0]);
102        strcat(msg, " ");
103        myargc--;
104        myargv++;
[ce7db4d]105      }
[a52d13a]106      msg[strlen(msg)-1] = '\0';
[ce7db4d]107      break;
[7d4fbcd]108    } else if (!strcmp(myargv[0], "-C")) {
109      z->cc=1;
110      myargv++;
111      myargc--;
112    } else if (!strcmp(myargv[0], "-n")) {
113      z->noping=1;
114      myargv++;
115      myargc--;
116    } else {
117      /* anything unattached is a recipient */
[4b17a6c]118      owl_list_append_element(&(z->recips), owl_validate_utf8(myargv[0]));
[7d4fbcd]119      myargv++;
120      myargc--;
121    }
122  }
123
124  owl_parsefree(argv, argc);
125
126  if (badargs) {
127    return(-1);
128  }
129
[1fe100c]130  if (z->class == NULL &&
131      z->inst == NULL &&
132      owl_list_get_size(&(z->recips))==0) {
133    owl_function_error("You must specify a recipient for zwrite");
134    return(-1);
135  }
136
[ce7db4d]137  /* now deal with defaults */
138  if (z->class==NULL) z->class=owl_strdup("message");
139  if (z->inst==NULL) z->inst=owl_strdup("personal");
140  if (z->realm==NULL) z->realm=owl_strdup("");
141  if (z->opcode==NULL) z->opcode=owl_strdup("");
142  /* z->message is allowed to stay NULL */
[a52d13a]143
144  if(msg) {
145    owl_zwrite_set_message(z, msg);
146    owl_free(msg);
147  }
148
[3f3ee61]149  return(0);
150}
151
152void owl_zwrite_populate_zsig(owl_zwrite *z)
153{
[e19eb97]154  const char *zsigproc, *zsigowlvar, *zsigzvar;
[65b2173]155  char *ptr;
[3f3ee61]156  struct passwd *pw;
157
[ce7db4d]158  /* get a zsig, if not given */
159  if (z->zsig==NULL) {
160    zsigproc = owl_global_get_zsigproc(&g);
161    zsigowlvar = owl_global_get_zsig(&g);
[09489b89]162    zsigzvar = owl_zephyr_get_variable("zwrite-signature");
[ce7db4d]163
164    if (zsigowlvar && *zsigowlvar) {
[4b17a6c]165      z->zsig=owl_validate_utf8(zsigowlvar);
[ce7db4d]166    } else if (zsigproc && *zsigproc) {
167      FILE *file;
168      char buff[LINE], *openline;
169     
170      /* simple hack for now to nuke stderr */
171      openline=owl_malloc(strlen(zsigproc)+40);
172      strcpy(openline, zsigproc);
[2a2bb60]173#if !(OWL_STDERR_REDIR)
[ce7db4d]174      strcat(openline, " 2> /dev/null");
[2a2bb60]175#endif
[ce7db4d]176      file=popen(openline, "r");
177      owl_free(openline);
178      if (!file) {
179        if (zsigzvar && *zsigzvar) {
[4b17a6c]180          z->zsig=owl_validate_utf8(zsigzvar);
[ce7db4d]181        }
182      } else {
183        z->zsig=owl_malloc(LINE*5);
184        strcpy(z->zsig, "");
185        while (fgets(buff, LINE, file)) { /* wrong sizing */
186          strcat(z->zsig, buff);
187        }
188        pclose(file);
189        if (z->zsig[strlen(z->zsig)-1]=='\n') {
190          z->zsig[strlen(z->zsig)-1]='\0';
191        }
[56330ff]192      }
[ce7db4d]193    } else if (zsigzvar) {
[4b17a6c]194      z->zsig=owl_validate_utf8(zsigzvar);
[ce7db4d]195    } else if (((pw=getpwuid(getuid()))!=NULL) && (pw->pw_gecos)) {
[4b17a6c]196      z->zsig=owl_validate_utf8(pw->pw_gecos);
[ce7db4d]197      ptr=strchr(z->zsig, ',');
198      if (ptr) {
199        ptr[0]='\0';
[56330ff]200      }
201    }
202  }
[7d4fbcd]203}
204
[ce7db4d]205void owl_zwrite_send_ping(owl_zwrite *z)
206{
[7d4fbcd]207  int i, j;
[44a61ac]208  char *to;
[7d4fbcd]209
210  if (z->noping) return;
211 
[3ef779b]212  if (strcasecmp(z->class, "message")) {
[7d4fbcd]213    return;
214  }
215
216  /* if there are no recipients we won't send a ping, which
217     is what we want */
218  j=owl_list_get_size(&(z->recips));
219  for (i=0; i<j; i++) {
220    if (strcmp(z->realm, "")) {
[e19eb97]221      to = owl_sprintf("%s@%s", (const char *) owl_list_get_element(&(z->recips), i), z->realm);
[7d4fbcd]222    } else {
[44a61ac]223      to = owl_strdup(owl_list_get_element(&(z->recips), i));
[7d4fbcd]224    }
[3ef779b]225    send_ping(to, z->class, z->inst);
[44a61ac]226    owl_free(to);
[7d4fbcd]227  }
228
229}
230
[e19eb97]231void owl_zwrite_set_message(owl_zwrite *z, const char *msg)
[ce7db4d]232{
[db2dd3d]233  int i, j;
[3538bc8]234  char *toline = NULL;
[a52d13a]235  char *tmp = NULL, *tmp2;
[db2dd3d]236
[ce7db4d]237  if (z->message) owl_free(z->message);
[db2dd3d]238
239  j=owl_list_get_size(&(z->recips));
240  if (j>0 && z->cc) {
[3538bc8]241    toline = owl_strdup( "CC: ");
[db2dd3d]242    for (i=0; i<j; i++) {
[3538bc8]243      tmp = toline;
[db2dd3d]244      if (strcmp(z->realm, "")) {
[e19eb97]245        toline = owl_sprintf( "%s%s@%s ", toline, (const char *) owl_list_get_element(&(z->recips), i), z->realm);
[db2dd3d]246      } else {
[e19eb97]247        toline = owl_sprintf( "%s%s ", toline, (const char *) owl_list_get_element(&(z->recips), i));
[db2dd3d]248      }
[3538bc8]249      owl_free(tmp);
250      tmp = NULL;
[db2dd3d]251    }
[4b17a6c]252    tmp = owl_validate_utf8(msg);
[a52d13a]253    tmp2 = owl_text_expand_tabs(tmp);
254    z->message=owl_sprintf("%s\n%s", toline, tmp2);
[3538bc8]255    owl_free(toline);
[a52d13a]256    owl_free(tmp);
257    owl_free(tmp2);
[db2dd3d]258  } else {
[a52d13a]259    tmp=owl_validate_utf8(msg);
260    z->message=owl_text_expand_tabs(tmp);
261    owl_free(tmp);
[db2dd3d]262  }
[ce7db4d]263}
264
[e19eb97]265const char *owl_zwrite_get_message(owl_zwrite *z)
[ce7db4d]266{
267  if (z->message) return(z->message);
268  return("");
269}
270
271int owl_zwrite_is_message_set(owl_zwrite *z)
272{
273  if (z->message) return(1);
274  return(0);
275}
276
277int owl_zwrite_send_message(owl_zwrite *z)
278{
[7d4fbcd]279  int i, j;
[823671c]280  char *to = NULL;
[7d4fbcd]281
[ce7db4d]282  if (z->message==NULL) return(-1);
283
[7d4fbcd]284  j=owl_list_get_size(&(z->recips));
285  if (j>0) {
286    for (i=0; i<j; i++) {
287      if (strcmp(z->realm, "")) {
[e19eb97]288        to = owl_sprintf("%s@%s", (const char *) owl_list_get_element(&(z->recips), i), z->realm);
[7d4fbcd]289      } else {
[823671c]290        to = owl_strdup( owl_list_get_element(&(z->recips), i));
[7d4fbcd]291      }
[db2dd3d]292      send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
[823671c]293      owl_free(to);
294      to = NULL;
[7d4fbcd]295    }
296  } else {
[823671c]297    to = owl_sprintf( "@%s", z->realm);
[ce7db4d]298    send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message);
299  }
[823671c]300  owl_free(to);
[ce7db4d]301  return(0);
302}
303
[e19eb97]304int owl_zwrite_create_and_send_from_line(const char *cmd, const char *msg)
[ce7db4d]305{
306  owl_zwrite z;
307  int rv;
308  rv=owl_zwrite_create_from_line(&z, cmd);
309  if (rv) return(rv);
310  if (!owl_zwrite_is_message_set(&z)) {
311    owl_zwrite_set_message(&z, msg);
[7d4fbcd]312  }
[3f3ee61]313  owl_zwrite_populate_zsig(&z);
[ce7db4d]314  owl_zwrite_send_message(&z);
315  owl_zwrite_free(&z);
316  return(0);
[7d4fbcd]317}
318
[e19eb97]319const char *owl_zwrite_get_class(owl_zwrite *z)
[ce7db4d]320{
[7d4fbcd]321  return(z->class);
322}
323
[e19eb97]324const char *owl_zwrite_get_instance(owl_zwrite *z)
[ce7db4d]325{
[7d4fbcd]326  return(z->inst);
327}
328
[e19eb97]329const char *owl_zwrite_get_opcode(owl_zwrite *z)
[ce7db4d]330{
[4b464a4]331  return(z->opcode);
332}
333
[e19eb97]334void owl_zwrite_set_opcode(owl_zwrite *z, const char *opcode)
[9ceee9d]335{
336  if (z->opcode) owl_free(z->opcode);
[4b17a6c]337  z->opcode=owl_validate_utf8(opcode);
[9ceee9d]338}
339
[e19eb97]340const char *owl_zwrite_get_realm(owl_zwrite *z)
[ce7db4d]341{
[7d4fbcd]342  return(z->realm);
343}
344
[e19eb97]345const char *owl_zwrite_get_zsig(owl_zwrite *z)
[ce7db4d]346{
347  if (z->zsig) return(z->zsig);
348  return("");
[56330ff]349}
350
[ce7db4d]351void owl_zwrite_get_recipstr(owl_zwrite *z, char *buff)
352{
[7d4fbcd]353  int i, j;
354
355  strcpy(buff, "");
356  j=owl_list_get_size(&(z->recips));
357  for (i=0; i<j; i++) {
358    strcat(buff, owl_list_get_element(&(z->recips), i));
359    strcat(buff, " ");
360  }
361  buff[strlen(buff)-1]='\0';
362}
363
[ce7db4d]364int owl_zwrite_get_numrecips(owl_zwrite *z)
365{
[7d4fbcd]366  return(owl_list_get_size(&(z->recips)));
367}
368
[e19eb97]369const char *owl_zwrite_get_recip_n(owl_zwrite *z, int n)
[ce7db4d]370{
[7d4fbcd]371  return(owl_list_get_element(&(z->recips), n));
372}
373
[ce7db4d]374int owl_zwrite_is_personal(owl_zwrite *z)
375{
[7d4fbcd]376  /* return true if at least one of the recipients is personal */
377  int i, j;
378  char *foo;
379
380  j=owl_list_get_size(&(z->recips));
381  for (i=0; i<j; i++) {
382    foo=owl_list_get_element(&(z->recips), i);
383    if (foo[0]!='@') return(1);
384  }
385  return(0);
386}
[3f3ee61]387
[ce7db4d]388void owl_zwrite_free(owl_zwrite *z)
389{
[7d4fbcd]390  owl_list_free_all(&(z->recips), &owl_free);
[ce7db4d]391  if (z->class) owl_free(z->class);
392  if (z->inst) owl_free(z->inst);
393  if (z->opcode) owl_free(z->opcode);
394  if (z->realm) owl_free(z->realm);
395  if (z->message) owl_free(z->message);
396  if (z->zsig) owl_free(z->zsig);
[7d4fbcd]397}
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