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 <signal.h>
  14 #include <h/mts.h>
  15
  16 #define RCVSTORE_SWITCHES \
  17     X("create", 0, CRETSW) \
  18     X("nocreate", 0, NCRETSW) \
  19     X("unseen", 0, UNSEENSW) \
  20     X("nounseen", 0, NUNSEENSW) \
  21     X("public", 0, PUBSW) \
  22     X("nopublic", 0, NPUBSW) \
  23     X("zero", 0, ZEROSW) \
  24     X("nozero", 0, NZEROSW) \
  25     X("sequence name", 0, SEQSW) \
  26     X("version", 0, VERSIONSW) \
  27     X("help", 0, HELPSW) \
  28
  29 #define X(sw, minchars, id) id,
  30 DEFINE_SWITCH_ENUM(RCVSTORE);
  31 #undef X
  32
  33 #define X(sw, minchars, id) { sw, minchars, id },
  34 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  35 #undef X
  36
  37
  38 /*
  39  * name of temporary file to store incoming message
  40  */
  41 static char *tmpfilenam = NULL;
  42
  43 static void unlink_done(int) NORETURN;
  44
  45 int
  46 main (int argc, char **argv)
  47 {
  48     int publicsw = -1, zerosw = 0;
  49     int create = 1, unseensw = 1;
  50     int fd, msgnum;
  51     size_t seqp = 0;
  52     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  53     char **argp, **arguments;
  54     svector_t seqs = svector_create (0);
  55     struct msgs *mp;
  56     struct stat st;
  57
  58     done=unlink_done;
  59
  60 #ifdef LOCALE
  61     setlocale(LC_ALL, "");
  62 #endif
  63     invo_name = r1bindex (argv[0], '/');
  64
  65     /* read user profile/context */
  66     context_read();
  67
  68     mts_init (invo_name);
  69     arguments = getarguments (invo_name, argc, argv, 1);
  70     argp = arguments;
  71
  72     /* parse arguments */
  73     while ((cp = *argp++)) {
  74         if (*cp == '-') {
  75             switch (smatch (++cp, switches)) {
  76             case AMBIGSW:
  77                 ambigsw (cp, switches);
  78                 done (1);
  79             case UNKWNSW:
  80                 adios (NULL, "-%s unknown", cp);
  81
  82             case HELPSW:
  83                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  84                           invo_name);
  85                 print_help (buf, switches, 1);
  86                 done (0);
  87             case VERSIONSW:
  88                 print_version(invo_name);
  89                 done (0);
  90
  91             case SEQSW:
  92                 if (!(cp = *argp++) || *cp == '-')
  93                     adios (NULL, "missing argument name to %s", argp[-2]);
  94
  95                 svector_push_back (seqs, cp);
  96                 seqp++;
  97                 continue;
  98
  99             case UNSEENSW:
 100                 unseensw = 1;
 101                 continue;
 102             case NUNSEENSW:
 103                 unseensw = 0;
 104                 continue;
 105
 106             case PUBSW:
 107                 publicsw = 1;
 108                 continue;
 109             case NPUBSW:
 110                 publicsw = 0;
 111                 continue;
 112
 113             case ZEROSW:
 114                 zerosw++;
 115                 continue;
 116             case NZEROSW:
 117                 zerosw = 0;
 118                 continue;
 119
 120             case CRETSW:
 121                 create++;
 122                 continue;
 123             case NCRETSW:
 124                 create = 0;
 125                 continue;
 126             }
 127         }
 128         if (*cp == '+' || *cp == '@') {
 129             if (folder)
 130                 adios (NULL, "only one folder at a time!");
 131             else
 132                 folder = pluspath (cp);
 133         } else {
 134             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 135         }
 136     }
 137
 138     if (!context_find ("path"))
 139         free (path ("./", TFOLDER));
 140
 141     /* if no folder is given, use default folder */
 142     if (!folder)
 143         folder = getfolder (0);
 144     maildir = m_maildir (folder);
 145
 146     /* check if folder exists */
 147     if (stat (maildir, &st) == NOTOK) {
 148         if (errno != ENOENT)
 149             adios (maildir, "error on folder");
 150         if (!create)
 151             adios (NULL, "folder %s doesn't exist", maildir);
 152         if (!makedir (maildir))
 153             adios (NULL, "unable to create folder %s", maildir);
 154     }
 155
 156     if (chdir (maildir) == NOTOK)
 157         adios (maildir, "unable to change directory to");
 158
 159     /* ignore a few signals */
 160     SIGNAL (SIGHUP, SIG_IGN);
 161     SIGNAL (SIGINT, SIG_IGN);
 162     SIGNAL (SIGQUIT, SIG_IGN);
 163     SIGNAL (SIGTERM, SIG_IGN);
 164
 165     /* create a temporary file */
 166     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 167     if (tmpfilenam == NULL) {
 168         adios ("rcvstore", "unable to create temporary file");
 169     }
 170     chmod (tmpfilenam, m_gmprot());
 171
 172     /* copy the message from stdin into temp file */
 173     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 174
 175     if (fstat (fd, &st) == NOTOK) {
 176         unlink (tmpfilenam);
 177         adios (tmpfilenam, "unable to fstat");
 178     }
 179     if (close (fd) == NOTOK)
 180         adios (tmpfilenam, "error closing");
 181
 182     /* don't add file if it is empty */
 183     if (st.st_size == 0) {
 184         unlink (tmpfilenam);
 185         advise (NULL, "empty file");
 186         done (0);
 187     }
 188
 189     /*
 190      * read folder and create message structure
 191      */
 192     if (!(mp = folder_read (folder, 1)))
 193         adios (NULL, "unable to read folder %s", folder);
 194
 195     /*
 196      * Link message into folder, and possibly add
 197      * to the Unseen-Sequence's.
 198      */
 199     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 200         done (1);
 201
 202     /*
 203      * Add the message to any extra sequences
 204      * that have been specified.
 205      */
 206     if (seqp) {
 207         /* The only reason that seqp was checked to be non-zero is in
 208            case a -nosequence switch is added. */
 209         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 210             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 211                              zerosw))
 212                 done (1);
 213         }
 214     }
 215
 216     svector_free (seqs);
 217     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 218     seq_save (mp);              /* synchronize and save message sequences */
 219     folder_free (mp);           /* free folder/message structure          */
 220
 221     context_save ();            /* save the global context file           */
 222     unlink (tmpfilenam);        /* remove temporary file                  */
 223     tmpfilenam = NULL;
 224
 225     done (0);
 226     return 1;
 227 }
 228
 229 /*
 230  * Clean up and exit
 231  */
 232 static void
 233 unlink_done(int status)
 234 {
 235     if (tmpfilenam && *tmpfilenam)
 236         unlink (tmpfilenam);
 237     exit (status);
 238 }