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 <errno.h>
  14 #include <signal.h>
  15 #include <h/mts.h>
  16
  17 static struct swit switches[] = {
  18 #define CRETSW         0
  19     { "create", 0 },
  20 #define NCRETSW        1
  21     { "nocreate", 0 },
  22 #define UNSEENSW       2
  23     { "unseen", 0 },
  24 #define NUNSEENSW      3
  25     { "nounseen", 0 },
  26 #define PUBSW          4
  27     { "public", 0 },
  28 #define NPUBSW         5
  29     { "nopublic",  0 },
  30 #define ZEROSW         6
  31     { "zero",   0 },
  32 #define NZEROSW        7
  33     { "nozero", 0 },
  34 #define SEQSW          8
  35     { "sequence name", 0 },
  36 #define VERSIONSW      9
  37     { "version", 0 },
  38 #define HELPSW        10
  39     { "help", 0 },
  40     { NULL, 0 }
  41 };
  42
  43
  44 /*
  45  * name of temporary file to store incoming message
  46  */
  47 static char *tmpfilenam = NULL;
  48
  49 static void unlink_done(int) NORETURN;
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54     int publicsw = -1, zerosw = 0;
  55     int create = 1, unseensw = 1;
  56     int fd, msgnum;
  57     size_t seqp = 0;
  58     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  59     char **argp, **arguments, *seqs[NUMATTRS+1];
  60     struct msgs *mp;
  61     struct stat st;
  62
  63     done=unlink_done;
  64
  65 #ifdef LOCALE
  66     setlocale(LC_ALL, "");
  67 #endif
  68     invo_name = r1bindex (argv[0], '/');
  69
  70     /* read user profile/context */
  71     context_read();
  72
  73     mts_init (invo_name);
  74     arguments = getarguments (invo_name, argc, argv, 1);
  75     argp = arguments;
  76
  77     /* parse arguments */
  78     while ((cp = *argp++)) {
  79         if (*cp == '-') {
  80             switch (smatch (++cp, switches)) {
  81             case AMBIGSW:
  82                 ambigsw (cp, switches);
  83                 done (1);
  84             case UNKWNSW:
  85                 adios (NULL, "-%s unknown", cp);
  86
  87             case HELPSW:
  88                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  89                           invo_name);
  90                 print_help (buf, switches, 1);
  91                 done (1);
  92             case VERSIONSW:
  93                 print_version(invo_name);
  94                 done (1);
  95
  96             case SEQSW:
  97                 if (!(cp = *argp++) || *cp == '-')
  98                     adios (NULL, "missing argument name to %s", argp[-2]);
  99
 100                 /* check if too many sequences specified */
 101                 if (seqp >= NUMATTRS)
 102                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
 103                 seqs[seqp++] = cp;
 104                 continue;
 105
 106             case UNSEENSW:
 107                 unseensw = 1;
 108                 continue;
 109             case NUNSEENSW:
 110                 unseensw = 0;
 111                 continue;
 112
 113             case PUBSW:
 114                 publicsw = 1;
 115                 continue;
 116             case NPUBSW:
 117                 publicsw = 0;
 118                 continue;
 119
 120             case ZEROSW:
 121                 zerosw++;
 122                 continue;
 123             case NZEROSW:
 124                 zerosw = 0;
 125                 continue;
 126
 127             case CRETSW:
 128                 create++;
 129                 continue;
 130             case NCRETSW:
 131                 create = 0;
 132                 continue;
 133             }
 134         }
 135         if (*cp == '+' || *cp == '@') {
 136             if (folder)
 137                 adios (NULL, "only one folder at a time!");
 138             else
 139                 folder = pluspath (cp);
 140         } else {
 141             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 142         }
 143     }
 144
 145     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 146
 147     if (!context_find ("path"))
 148         free (path ("./", TFOLDER));
 149
 150     /* if no folder is given, use default folder */
 151     if (!folder)
 152         folder = getfolder (0);
 153     maildir = m_maildir (folder);
 154
 155     /* check if folder exists */
 156     if (stat (maildir, &st) == NOTOK) {
 157         if (errno != ENOENT)
 158             adios (maildir, "error on folder");
 159         if (!create)
 160             adios (NULL, "folder %s doesn't exist", maildir);
 161         if (!makedir (maildir))
 162             adios (NULL, "unable to create folder %s", maildir);
 163     }
 164
 165     if (chdir (maildir) == NOTOK)
 166         adios (maildir, "unable to change directory to");
 167
 168     /* ignore a few signals */
 169     SIGNAL (SIGHUP, SIG_IGN);
 170     SIGNAL (SIGINT, SIG_IGN);
 171     SIGNAL (SIGQUIT, SIG_IGN);
 172     SIGNAL (SIGTERM, SIG_IGN);
 173
 174     /* create a temporary file */
 175     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 176     if (tmpfilenam == NULL) {
 177         adios ("rcvstore", "unable to create temporary file");
 178     }
 179     chmod (tmpfilenam, m_gmprot());
 180
 181     /* copy the message from stdin into temp file */
 182     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 183
 184     if (fstat (fd, &st) == NOTOK) {
 185         unlink (tmpfilenam);
 186         adios (tmpfilenam, "unable to fstat");
 187     }
 188     if (close (fd) == NOTOK)
 189         adios (tmpfilenam, "error closing");
 190
 191     /* don't add file if it is empty */
 192     if (st.st_size == 0) {
 193         unlink (tmpfilenam);
 194         advise (NULL, "empty file");
 195         done (0);
 196     }
 197
 198     /*
 199      * read folder and create message structure
 200      */
 201     if (!(mp = folder_read (folder)))
 202         adios (NULL, "unable to read folder %s", folder);
 203
 204     /*
 205      * Link message into folder, and possibly add
 206      * to the Unseen-Sequence's.
 207      */
 208     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 209         done (1);
 210
 211     /*
 212      * Add the message to any extra sequences
 213      * that have been specified.
 214      */
 215     for (seqp = 0; seqs[seqp]; seqp++) {
 216         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 217             done (1);
 218     }
 219
 220     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 221     seq_save (mp);              /* synchronize and save message sequences */
 222     folder_free (mp);           /* free folder/message structure          */
 223
 224     context_save ();            /* save the global context file           */
 225     unlink (tmpfilenam);        /* remove temporary file                  */
 226     tmpfilenam = NULL;
 227
 228     done (0);
 229     return 1;
 230 }
 231
 232 /*
 233  * Clean up and exit
 234  */
 235 static void
 236 unlink_done(int status)
 237 {
 238     if (tmpfilenam && *tmpfilenam)
 239         unlink (tmpfilenam);
 240     exit (status);
 241 }