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 "sbr/m_gmprot.h"
  10 #include "sbr/getarguments.h"
  11 #include "sbr/seq_setunseen.h"
  12 #include "sbr/seq_save.h"
  13 #include "sbr/smatch.h"
  14 #include "sbr/cpydata.h"
  15 #include "sbr/getfolder.h"
  16 #include "sbr/folder_read.h"
  17 #include "sbr/folder_free.h"
  18 #include "sbr/folder_addmsg.h"
  19 #include "sbr/context_save.h"
  20 #include "sbr/context_find.h"
  21 #include "sbr/ambigsw.h"
  22 #include "sbr/path.h"
  23 #include "sbr/print_version.h"
  24 #include "sbr/print_help.h"
  25 #include "sbr/seq_add.h"
  26 #include "sbr/error.h"
  27 #include <fcntl.h>
  28 #include "h/signals.h"
  29 #include "h/mts.h"
  30 #include "h/done.h"
  31 #include "h/utils.h"
  32 #include "sbr/m_maildir.h"
  33 #include "sbr/m_mktemp.h"
  34 #include "sbr/makedir.h"
  35
  36 #define RCVSTORE_SWITCHES \
  37     X("create", 0, CRETSW) \
  38     X("nocreate", 0, NCRETSW) \
  39     X("unseen", 0, UNSEENSW) \
  40     X("nounseen", 0, NUNSEENSW) \
  41     X("public", 0, PUBSW) \
  42     X("nopublic", 0, NPUBSW) \
  43     X("zero", 0, ZEROSW) \
  44     X("nozero", 0, NZEROSW) \
  45     X("sequence name", 0, SEQSW) \
  46     X("version", 0, VERSIONSW) \
  47     X("help", 0, HELPSW) \
  48
  49 #define X(sw, minchars, id) id,
  50 DEFINE_SWITCH_ENUM(RCVSTORE);
  51 #undef X
  52
  53 #define X(sw, minchars, id) { sw, minchars, id },
  54 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  55 #undef X
  56
  57
  58 /*
  59  * name of temporary file to store incoming message
  60  */
  61 static char *tmpfilenam = NULL;
  62
  63 static void unlink_done(int) NORETURN;
  64
  65 int
  66 main (int argc, char **argv)
  67 {
  68     int publicsw = -1;
  69     bool zerosw = false;
  70     bool create = true;
  71     bool unseensw = true;
  72     int fd, msgnum;
  73     size_t seqp = 0;
  74     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  75     char **argp, **arguments;
  76     svector_t seqs = svector_create (0);
  77     struct msgs *mp;
  78     struct stat st;
  79
  80     if (nmh_init(argv[0], true, false)) { return 1; }
  81
  82     set_done(unlink_done);
  83
  84     mts_init ();
  85     arguments = getarguments (invo_name, argc, argv, 1);
  86     argp = arguments;
  87
  88     /* parse arguments */
  89     while ((cp = *argp++)) {
  90         if (*cp == '-') {
  91             switch (smatch (++cp, switches)) {
  92             case AMBIGSW:
  93                 ambigsw (cp, switches);
  94                 done (1);
  95             case UNKWNSW:
  96                 die("-%s unknown", cp);
  97
  98             case HELPSW:
  99                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
 100                           invo_name);
 101                 print_help (buf, switches, 1);
 102                 done (0);
 103             case VERSIONSW:
 104                 print_version(invo_name);
 105                 done (0);
 106
 107             case SEQSW:
 108                 if (!(cp = *argp++) || *cp == '-')
 109                     die("missing argument name to %s", argp[-2]);
 110
 111                 svector_push_back (seqs, cp);
 112                 seqp++;
 113                 continue;
 114
 115             case UNSEENSW:
 116                 unseensw = true;
 117                 continue;
 118             case NUNSEENSW:
 119                 unseensw = false;
 120                 continue;
 121
 122             case PUBSW:
 123                 publicsw = 1;
 124                 continue;
 125             case NPUBSW:
 126                 publicsw = 0;
 127                 continue;
 128
 129             case ZEROSW:
 130                 zerosw = true;
 131                 continue;
 132             case NZEROSW:
 133                 zerosw = false;
 134                 continue;
 135
 136             case CRETSW:
 137                 create = true;
 138                 continue;
 139             case NCRETSW:
 140                 create = false;
 141                 continue;
 142             }
 143         }
 144         if (*cp == '+' || *cp == '@') {
 145             if (folder)
 146                 die("only one folder at a time!");
 147             folder = pluspath (cp);
 148         } else {
 149             die("usage: %s [+folder] [switches]", invo_name);
 150         }
 151     }
 152
 153     if (!context_find ("path"))
 154         free (path ("./", TFOLDER));
 155
 156     /* if no folder is given, use default folder */
 157     if (!folder)
 158         folder = getfolder (0);
 159     maildir = m_maildir (folder);
 160
 161     /* check if folder exists */
 162     if (stat (maildir, &st) == NOTOK) {
 163         if (errno != ENOENT)
 164             adios (maildir, "error on folder");
 165         if (!create)
 166             die("folder %s doesn't exist", maildir);
 167         if (!makedir (maildir))
 168             die("unable to create folder %s", maildir);
 169     }
 170
 171     if (chdir (maildir) == NOTOK)
 172         adios (maildir, "unable to change directory to");
 173
 174     /* ignore a few signals */
 175     SIGNAL (SIGHUP, SIG_IGN);
 176     SIGNAL (SIGINT, SIG_IGN);
 177     SIGNAL (SIGQUIT, SIG_IGN);
 178     SIGNAL (SIGTERM, SIG_IGN);
 179
 180     /* create a temporary file */
 181     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 182     if (tmpfilenam == NULL) {
 183         die("unable to create temporary file in %s", get_temp_dir());
 184     }
 185     chmod (tmpfilenam, m_gmprot());
 186
 187     /* copy the message from stdin into temp file */
 188     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 189
 190     if (fstat (fd, &st) == NOTOK) {
 191         (void) m_unlink (tmpfilenam);
 192         adios (tmpfilenam, "unable to fstat");
 193     }
 194     if (close (fd) == NOTOK)
 195         adios (tmpfilenam, "error closing");
 196
 197     /* don't add file if it is empty */
 198     if (st.st_size == 0) {
 199         (void) m_unlink (tmpfilenam);
 200         inform("empty file");
 201         done (0);
 202     }
 203
 204     /*
 205      * read folder and create message structure
 206      */
 207     if (!(mp = folder_read (folder, 1)))
 208         die("unable to read folder %s", folder);
 209
 210     /*
 211      * Link message into folder, and possibly add
 212      * to the Unseen-Sequence's.
 213      */
 214     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 215         done (1);
 216
 217     /*
 218      * Add the message to any extra sequences
 219      * that have been specified.
 220      */
 221     if (seqp) {
 222         /* The only reason that seqp was checked to be non-zero is in
 223            case a -nosequence switch is added. */
 224         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 225             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 226                              zerosw))
 227                 done (1);
 228         }
 229     }
 230
 231     svector_free (seqs);
 232     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 233     seq_save (mp);              /* synchronize and save message sequences */
 234     folder_free (mp);           /* free folder/message structure          */
 235
 236     context_save ();            /* save the global context file           */
 237     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 238     tmpfilenam = NULL;
 239
 240     done (0);
 241     return 1;
 242 }
 243
 244 /*
 245  * Clean up and exit
 246  */
 247 static void NORETURN
 248 unlink_done(int status)
 249 {
 250     if (tmpfilenam && *tmpfilenam)
 251         (void) m_unlink (tmpfilenam);
 252     exit (status);
 253 }