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

   1 /* rcvstore.c -- asynchronously add mail to a folder
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9 #include <fcntl.h>
  10 #include <h/signals.h>
  11 #include <h/mts.h>
  12 #include "h/done.h"
  13 #include <h/utils.h>
  14 #include "sbr/m_maildir.h"
  15 #include "sbr/m_mktemp.h"
  16 #include "sbr/makedir.h"
  17
  18 #define RCVSTORE_SWITCHES \
  19     X("create", 0, CRETSW) \
  20     X("nocreate", 0, NCRETSW) \
  21     X("unseen", 0, UNSEENSW) \
  22     X("nounseen", 0, NUNSEENSW) \
  23     X("public", 0, PUBSW) \
  24     X("nopublic", 0, NPUBSW) \
  25     X("zero", 0, ZEROSW) \
  26     X("nozero", 0, NZEROSW) \
  27     X("sequence name", 0, SEQSW) \
  28     X("version", 0, VERSIONSW) \
  29     X("help", 0, HELPSW) \
  30
  31 #define X(sw, minchars, id) id,
  32 DEFINE_SWITCH_ENUM(RCVSTORE);
  33 #undef X
  34
  35 #define X(sw, minchars, id) { sw, minchars, id },
  36 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  37 #undef X
  38
  39
  40 /*
  41  * name of temporary file to store incoming message
  42  */
  43 static char *tmpfilenam = NULL;
  44
  45 static void unlink_done(int) NORETURN;
  46
  47 int
  48 main (int argc, char **argv)
  49 {
  50     int publicsw = -1;
  51     bool zerosw = false;
  52     bool create = true;
  53     bool unseensw = true;
  54     int fd, msgnum;
  55     size_t seqp = 0;
  56     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  57     char **argp, **arguments;
  58     svector_t seqs = svector_create (0);
  59     struct msgs *mp;
  60     struct stat st;
  61
  62     if (nmh_init(argv[0], true, false)) { return 1; }
  63
  64     set_done(unlink_done);
  65
  66     mts_init ();
  67     arguments = getarguments (invo_name, argc, argv, 1);
  68     argp = arguments;
  69
  70     /* parse arguments */
  71     while ((cp = *argp++)) {
  72         if (*cp == '-') {
  73             switch (smatch (++cp, switches)) {
  74             case AMBIGSW:
  75                 ambigsw (cp, switches);
  76                 done (1);
  77             case UNKWNSW:
  78                 die("-%s unknown", cp);
  79
  80             case HELPSW:
  81                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  82                           invo_name);
  83                 print_help (buf, switches, 1);
  84                 done (0);
  85             case VERSIONSW:
  86                 print_version(invo_name);
  87                 done (0);
  88
  89             case SEQSW:
  90                 if (!(cp = *argp++) || *cp == '-')
  91                     die("missing argument name to %s", argp[-2]);
  92
  93                 svector_push_back (seqs, cp);
  94                 seqp++;
  95                 continue;
  96
  97             case UNSEENSW:
  98                 unseensw = true;
  99                 continue;
 100             case NUNSEENSW:
 101                 unseensw = false;
 102                 continue;
 103
 104             case PUBSW:
 105                 publicsw = 1;
 106                 continue;
 107             case NPUBSW:
 108                 publicsw = 0;
 109                 continue;
 110
 111             case ZEROSW:
 112                 zerosw = true;
 113                 continue;
 114             case NZEROSW:
 115                 zerosw = false;
 116                 continue;
 117
 118             case CRETSW:
 119                 create = true;
 120                 continue;
 121             case NCRETSW:
 122                 create = false;
 123                 continue;
 124             }
 125         }
 126         if (*cp == '+' || *cp == '@') {
 127             if (folder)
 128                 die("only one folder at a time!");
 129             folder = pluspath (cp);
 130         } else {
 131             die("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             die("folder %s doesn't exist", maildir);
 149         if (!makedir (maildir))
 150             die("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         die("unable to create temporary file in %s", get_temp_dir());
 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         (void) m_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         (void) m_unlink (tmpfilenam);
 182         inform("empty file");
 183         done (0);
 184     }
 185
 186     /*
 187      * read folder and create message structure
 188      */
 189     if (!(mp = folder_read (folder, 1)))
 190         die("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, NULL)) == -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     (void) m_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 NORETURN
 230 unlink_done(int status)
 231 {
 232     if (tmpfilenam && *tmpfilenam)
 233         (void) m_unlink (tmpfilenam);
 234     exit (status);
 235 }