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