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

   1 /* viamail.c -- send multiple files in a MIME message
   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/md5.h>
  11 #include <h/mts.h>
  12 #include <h/tws.h>
  13 #include <h/mime.h>
  14 #include <h/mhparse.h>
  15
  16 #define VIAMAIL_SWITCHES \
  17     X("to mailpath", 0, TOSW) \
  18     X("from mailpath", 0, FROMSW) \
  19     X("subject subject", 0, SUBJECTSW) \
  20     X("parameters arguments", 0, PARAMSW) \
  21     X("description text", 0, DESCRIPTSW) \
  22     X("comment text", 0, COMMENTSW) \
  23     X("delay seconds", 0, DELAYSW) \
  24     X("verbose", 0, VERBSW) \
  25     X("noverbose", 0, NVERBSW) \
  26     X("version", 0, VERSIONSW) \
  27     X("help", 0, HELPSW) \
  28     X("debug", -5, DEBUGSW) \
  29
  30 #define X(sw, minchars, id) id,
  31 DEFINE_SWITCH_ENUM(VIAMAIL);
  32 #undef X
  33
  34 #define X(sw, minchars, id) { sw, minchars, id },
  35 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  36 #undef X
  37
  38 extern int debugsw;
  39 extern int splitsw;
  40 extern int verbsw;
  41
  42 /*
  43  * static prototypes
  44  */
  45 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  46
  47
  48 int
  49 main (int argc, char **argv)
  50 {
  51     int delay = 0;
  52     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  53     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  54     char *cp, buf[BUFSIZ];
  55     char **argp, **arguments;
  56
  57     if (nmh_init(argv[0], 2)) { return 1; }
  58
  59     arguments = getarguments (invo_name, argc, argv, 0);
  60     argp = arguments;
  61
  62     while ((cp = *argp++)) {
  63         if (*cp == '-') {
  64             switch (smatch (++cp, switches)) {
  65             case AMBIGSW:
  66                 ambigsw (cp, switches);
  67                 done (1);
  68             case UNKWNSW:
  69                 adios (NULL, "-%s unknown", cp);
  70
  71             case HELPSW:
  72                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  73                 print_help (buf, switches, 1);
  74                 done (0);
  75             case VERSIONSW:
  76                 print_version(invo_name);
  77                 done (0);
  78
  79             case TOSW:
  80                 if (!(f1 = *argp++))
  81                     adios (NULL, "missing argument to %s", argp[-2]);
  82                 continue;
  83             case SUBJECTSW:
  84                 if (!(f2 = *argp++))
  85                     adios (NULL, "missing argument to %s", argp[-2]);
  86                 continue;
  87             case PARAMSW:
  88                 if (!(f3 = *argp++))
  89                     adios (NULL, "missing argument to %s", argp[-2]);
  90                 continue;
  91             case DESCRIPTSW:
  92                 if (!(f4 = *argp++))
  93                     adios (NULL, "missing argument to %s", argp[-2]);
  94                 continue;
  95             case COMMENTSW:
  96                 if (!(f5 = *argp++))
  97                     adios (NULL, "missing argument to %s", argp[-2]);
  98                 continue;
  99             case DELAYSW:
 100                 if (!(cp = *argp++) || *cp == '-')
 101                     adios (NULL, "missing argument to %s", argp[-2]);
 102
 103                 /*
 104                  * If there is an error, just reset the delay parameter
 105                  * to -1.  We will set a default delay later.
 106                  */
 107                 if (sscanf (cp, "%d", &delay) != 1)
 108                     delay = -1;
 109                 continue;
 110             case FROMSW:
 111                 if (!(f7 = *argp++))
 112                     adios (NULL, "missing argument to %s", argp[-2]);
 113                 continue;
 114
 115             case VERBSW:
 116                 verbsw = 1;
 117                 continue;
 118             case NVERBSW:
 119                 verbsw = 0;
 120                 continue;
 121
 122             case DEBUGSW:
 123                 debugsw = 1;
 124                 continue;
 125             }
 126         }
 127     }
 128
 129     if (!f1)
 130         adios (NULL, "missing -viamail \"mailpath\" switch");
 131
 132     via_mail (f1, f2, f3, f4, f5, delay, f7);
 133     return 0;  /* dead code to satisfy the compiler */
 134 }
 135
 136
 137 /*
 138  * VIAMAIL
 139  */
 140
 141 static int
 142 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 143           char *cmntsw, int delay, char *fromsw)
 144 {
 145     int status, vecp;
 146     char tmpfil[BUFSIZ], *program;
 147     char **vec;
 148     struct stat st;
 149     FILE *fp;
 150     char *tfile = NULL;
 151     char *cp;
 152
 153     umask (~m_gmprot ());
 154
 155     if ((tfile = m_mktemp2(NULL, invo_name, NULL, &fp)) == NULL) {
 156         adios(NULL, "unable to create temporary file in %s", get_temp_dir());
 157     }
 158     strncpy (tmpfil, tfile, sizeof(tmpfil));
 159
 160     if (!strchr(mailsw, '@'))
 161         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 162     fprintf (fp, "To: %s\n", mailsw);
 163
 164     if (subjsw)
 165         fprintf (fp, "Subject: %s\n", subjsw);
 166
 167     if (fromsw) {
 168         if (!strchr(fromsw, '@'))
 169             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 170         fprintf (fp, "From: %s\n", fromsw);
 171     }
 172
 173     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 174     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 175
 176     if (parmsw)
 177         fprintf (fp, "; %s", parmsw);
 178
 179     if (cmntsw)
 180         fprintf (fp, "\n\t(%s)", cmntsw);
 181
 182     if (descsw)
 183         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 184
 185     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 186
 187     if (fflush (fp))
 188         adios (tmpfil, "error writing to");
 189
 190     writeBase64aux (stdin, fp, 0);
 191     if (fflush (fp))
 192         adios (tmpfil, "error writing to");
 193
 194     if (fstat (fileno (fp), &st) == NOTOK)
 195         adios ("failed", "fstat of %s", tmpfil);
 196
 197     if (delay < 0)
 198         splitsw = 10;
 199     else
 200         splitsw = delay;
 201
 202     status = 0;
 203
 204     vec = argsplit(postproc, &program, &vecp);
 205     if (verbsw)
 206         vec[vecp++] = "-verbose";
 207
 208     if ((cp = context_find ("credentials"))) {
 209         /* post doesn't read context so need to pass credentials. */
 210         vec[vecp++] = "-credentials";
 211         vec[vecp++] = cp;
 212     }
 213
 214     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0, NULL)) {
 215         case DONE:
 216         case NOTOK:
 217             status++;
 218             break;
 219         case OK:
 220             break;
 221     }
 222
 223     fclose (fp);
 224     if (m_unlink (tmpfil) == -1)
 225         advise (tmpfil, "unable to remove temp file %s", tmpfil);
 226     done (status);
 227     return 1;
 228 }