diplodocus.org Git - nmh/blob - uip/rcvstore.c

   1
   2 /*
   3  * rcvstore.c -- asynchronously add mail to a folder
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <fcntl.h>
  12 #include <h/signals.h>
  13 #include <h/mts.h>
  14
  15 #define RCVSTORE_SWITCHES \
  16     X("create", 0, CRETSW) \
  17     X("nocreate", 0, NCRETSW) \
  18     X("unseen", 0, UNSEENSW) \
  19     X("nounseen", 0, NUNSEENSW) \
  20     X("public", 0, PUBSW) \
  21     X("nopublic", 0, NPUBSW) \
  22     X("zero", 0, ZEROSW) \
  23     X("nozero", 0, NZEROSW) \
  24     X("sequence name", 0, SEQSW) \
  25     X("version", 0, VERSIONSW) \
  26     X("help", 0, HELPSW) \
  27
  28 #define X(sw, minchars, id) id,
  29 DEFINE_SWITCH_ENUM(RCVSTORE);
  30 #undef X
  31
  32 #define X(sw, minchars, id) { sw, minchars, id },
  33 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  34 #undef X
  35
  36
  37 /*
  38  * name of temporary file to store incoming message
  39  */
  40 static char *tmpfilenam = NULL;
  41
  42 static void unlink_done(int) NORETURN;
  43
  44 int
  45 main (int argc, char **argv)
  46 {
  47     int publicsw = -1, zerosw = 0;
  48     int create = 1, unseensw = 1;
  49     int fd, msgnum;
  50     size_t seqp = 0;
  51     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  52     char **argp, **arguments;
  53     svector_t seqs = svector_create (0);
  54     struct msgs *mp;
  55     struct stat st;
  56
  57     done=unlink_done;
  58
  59     setlocale(LC_ALL, "");
  60     invo_name = r1bindex (argv[0], '/');
  61
  62     /* read user profile/context */
  63     context_read();
  64
  65     mts_init (invo_name);
  66     arguments = getarguments (invo_name, argc, argv, 1);
  67     argp = arguments;
  68
  69     /* parse arguments */
  70     while ((cp = *argp++)) {
  71         if (*cp == '-') {
  72             switch (smatch (++cp, switches)) {
  73             case AMBIGSW:
  74                 ambigsw (cp, switches);
  75                 done (1);
  76             case UNKWNSW:
  77                 adios (NULL, "-%s unknown", cp);
  78
  79             case HELPSW:
  80                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  81                           invo_name);
  82                 print_help (buf, switches, 1);
  83                 done (0);
  84             case VERSIONSW:
  85                 print_version(invo_name);
  86                 done (0);
  87
  88             case SEQSW:
  89                 if (!(cp = *argp++) || *cp == '-')
  90                     adios (NULL, "missing argument name to %s", argp[-2]);
  91
  92                 svector_push_back (seqs, cp);
  93                 seqp++;
  94                 continue;
  95
  96             case UNSEENSW:
  97                 unseensw = 1;
  98                 continue;
  99             case NUNSEENSW:
 100                 unseensw = 0;
 101                 continue;
 102
 103             case PUBSW:
 104                 publicsw = 1;
 105                 continue;
 106             case NPUBSW:
 107                 publicsw = 0;
 108                 continue;
 109
 110             case ZEROSW:
 111                 zerosw++;
 112                 continue;
 113             case NZEROSW:
 114                 zerosw = 0;
 115                 continue;
 116
 117             case CRETSW:
 118                 create++;
 119                 continue;
 120             case NCRETSW:
 121                 create = 0;
 122                 continue;
 123             }
 124         }
 125         if (*cp == '+' || *cp == '@') {
 126             if (folder)
 127                 adios (NULL, "only one folder at a time!");
 128             else
 129                 folder = pluspath (cp);
 130         } else {
 131             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 132         }
 133     }
 134
 135     if (!context_find ("path"))
 136         free (path ("./", TFOLDER));
 137
 138     /* if no folder is given, use default folder */
 139     if (!folder)
 140         folder = getfolder (0);
 141     maildir = m_maildir (folder);
 142
 143     /* check if folder exists */
 144     if (stat (maildir, &st) == NOTOK) {
 145         if (errno != ENOENT)
 146             adios (maildir, "error on folder");
 147         if (!create)
 148             adios (NULL, "folder %s doesn't exist", maildir);
 149         if (!makedir (maildir))
 150             adios (NULL, "unable to create folder %s", maildir);
 151     }
 152
 153     if (chdir (maildir) == NOTOK)
 154         adios (maildir, "unable to change directory to");
 155
 156     /* ignore a few signals */
 157     SIGNAL (SIGHUP, SIG_IGN);
 158     SIGNAL (SIGINT, SIG_IGN);
 159     SIGNAL (SIGQUIT, SIG_IGN);
 160     SIGNAL (SIGTERM, SIG_IGN);
 161
 162     /* create a temporary file */
 163     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 164     if (tmpfilenam == NULL) {
 165         adios ("rcvstore", "unable to create temporary file");
 166     }
 167     chmod (tmpfilenam, m_gmprot());
 168
 169     /* copy the message from stdin into temp file */
 170     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 171
 172     if (fstat (fd, &st) == NOTOK) {
 173         unlink (tmpfilenam);
 174         adios (tmpfilenam, "unable to fstat");
 175     }
 176     if (close (fd) == NOTOK)
 177         adios (tmpfilenam, "error closing");
 178
 179     /* don't add file if it is empty */
 180     if (st.st_size == 0) {
 181         unlink (tmpfilenam);
 182         advise (NULL, "empty file");
 183         done (0);
 184     }
 185
 186     /*
 187      * read folder and create message structure
 188      */
 189     if (!(mp = folder_read (folder, 1)))
 190         adios (NULL, "unable to read folder %s", folder);
 191
 192     /*
 193      * Link message into folder, and possibly add
 194      * to the Unseen-Sequence's.
 195      */
 196     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 197         done (1);
 198
 199     /*
 200      * Add the message to any extra sequences
 201      * that have been specified.
 202      */
 203     if (seqp) {
 204         /* The only reason that seqp was checked to be non-zero is in
 205            case a -nosequence switch is added. */
 206         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 207             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 208                              zerosw))
 209                 done (1);
 210         }
 211     }
 212
 213     svector_free (seqs);
 214     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 215     seq_save (mp);              /* synchronize and save message sequences */
 216     folder_free (mp);           /* free folder/message structure          */
 217
 218     context_save ();            /* save the global context file           */
 219     unlink (tmpfilenam);        /* remove temporary file                  */
 220     tmpfilenam = NULL;
 221
 222     done (0);
 223     return 1;
 224 }
 225
 226 /*
 227  * Clean up and exit
 228  */
 229 static void
 230 unlink_done(int status)
 231 {
 232     if (tmpfilenam && *tmpfilenam)
 233         unlink (tmpfilenam);
 234     exit (status);
 235 }