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

   1
   2 /*
   3  * viamail.c -- send multiple files in a MIME message
   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 <h/md5.h>
  14 #include <h/mts.h>
  15 #include <h/tws.h>
  16 #include <h/mime.h>
  17 #include <h/mhparse.h>
  18
  19 #define VIAMAIL_SWITCHES \
  20     X("to mailpath", 0, TOSW) \
  21     X("from mailpath", 0, FROMSW) \
  22     X("subject subject", 0, SUBJECTSW) \
  23     X("parameters arguments", 0, PARAMSW) \
  24     X("description text", 0, DESCRIPTSW) \
  25     X("comment text", 0, COMMENTSW) \
  26     X("delay seconds", 0, DELAYSW) \
  27     X("verbose", 0, VERBSW) \
  28     X("noverbose", 0, NVERBSW) \
  29     X("version", 0, VERSIONSW) \
  30     X("help", 0, HELPSW) \
  31     X("debug", -5, DEBUGSW) \
  32
  33 #define X(sw, minchars, id) id,
  34 DEFINE_SWITCH_ENUM(VIAMAIL);
  35 #undef X
  36
  37 #define X(sw, minchars, id) { sw, minchars, id },
  38 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  39 #undef X
  40
  41 extern int debugsw;
  42 extern int splitsw;
  43 extern int verbsw;
  44
  45 /*
  46  * static prototypes
  47  */
  48 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  49
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54     int delay = 0;
  55     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  56     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  57     char *cp, buf[BUFSIZ];
  58     char **argp, **arguments;
  59
  60     setlocale(LC_ALL, "");
  61     invo_name = r1bindex (argv[0], '/');
  62
  63     context_read();
  64
  65     arguments = getarguments (invo_name, argc, argv, 0);
  66     argp = arguments;
  67
  68     while ((cp = *argp++)) {
  69         if (*cp == '-') {
  70             switch (smatch (++cp, switches)) {
  71             case AMBIGSW:
  72                 ambigsw (cp, switches);
  73                 done (1);
  74             case UNKWNSW:
  75                 adios (NULL, "-%s unknown", cp);
  76
  77             case HELPSW:
  78                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  79                 print_help (buf, switches, 1);
  80                 done (0);
  81             case VERSIONSW:
  82                 print_version(invo_name);
  83                 done (0);
  84
  85             case TOSW:
  86                 if (!(f1 = *argp++))
  87                     adios (NULL, "missing argument to %s", argp[-2]);
  88                 continue;
  89             case SUBJECTSW:
  90                 if (!(f2 = *argp++))
  91                     adios (NULL, "missing argument to %s", argp[-2]);
  92                 continue;
  93             case PARAMSW:
  94                 if (!(f3 = *argp++))
  95                     adios (NULL, "missing argument to %s", argp[-2]);
  96                 continue;
  97             case DESCRIPTSW:
  98                 if (!(f4 = *argp++))
  99                     adios (NULL, "missing argument to %s", argp[-2]);
 100                 continue;
 101             case COMMENTSW:
 102                 if (!(f5 = *argp++))
 103                     adios (NULL, "missing argument to %s", argp[-2]);
 104                 continue;
 105             case DELAYSW:
 106                 if (!(cp = *argp++) || *cp == '-')
 107                     adios (NULL, "missing argument to %s", argp[-2]);
 108
 109                 /*
 110                  * If there is an error, just reset the delay parameter
 111                  * to -1.  We will set a default delay later.
 112                  */
 113                 if (sscanf (cp, "%d", &delay) != 1)
 114                     delay = -1;
 115                 continue;
 116             case FROMSW:
 117                 if (!(f7 = *argp++))
 118                     adios (NULL, "missing argument to %s", argp[-2]);
 119                 continue;
 120
 121             case VERBSW:
 122                 verbsw = 1;
 123                 continue;
 124             case NVERBSW:
 125                 verbsw = 0;
 126                 continue;
 127
 128             case DEBUGSW:
 129                 debugsw = 1;
 130                 continue;
 131             }
 132         }
 133     }
 134
 135     if (!f1)
 136         adios (NULL, "missing -viamail \"mailpath\" switch");
 137
 138     via_mail (f1, f2, f3, f4, f5, delay, f7);
 139     return 0;  /* dead code to satisfy the compiler */
 140 }
 141
 142
 143 /*
 144  * VIAMAIL
 145  */
 146
 147 static int
 148 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 149           char *cmntsw, int delay, char *fromsw)
 150 {
 151     int status, vecp;
 152     char tmpfil[BUFSIZ], *program;
 153     char **vec;
 154     struct stat st;
 155     FILE *fp;
 156     char *tfile = NULL;
 157     char *cp;
 158
 159     umask (~m_gmprot ());
 160
 161     tfile = m_mktemp2(NULL, invo_name, NULL, &fp);
 162     if (tfile == NULL) adios("viamail", "unable to create temporary file");
 163     chmod(tfile, 0600);
 164     strncpy (tmpfil, tfile, sizeof(tmpfil));
 165
 166     if (!strchr(mailsw, '@'))
 167         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 168     fprintf (fp, "To: %s\n", mailsw);
 169
 170     if (subjsw)
 171         fprintf (fp, "Subject: %s\n", subjsw);
 172
 173     if (fromsw) {
 174         if (!strchr(fromsw, '@'))
 175             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 176         fprintf (fp, "From: %s\n", fromsw);
 177     }
 178
 179     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 180     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 181
 182     if (parmsw)
 183         fprintf (fp, "; %s", parmsw);
 184
 185     if (cmntsw)
 186         fprintf (fp, "\n\t(%s)", cmntsw);
 187
 188     if (descsw)
 189         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 190
 191     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 192
 193     if (fflush (fp))
 194         adios (tmpfil, "error writing to");
 195
 196     writeBase64aux (stdin, fp);
 197     if (fflush (fp))
 198         adios (tmpfil, "error writing to");
 199
 200     if (fstat (fileno (fp), &st) == NOTOK)
 201         adios ("failed", "fstat of %s", tmpfil);
 202
 203     if (delay < 0)
 204         splitsw = 10;
 205     else
 206         splitsw = delay;
 207
 208     status = 0;
 209
 210     vec = argsplit(postproc, &program, &vecp);
 211     if (verbsw)
 212         vec[vecp++] = "-verbose";
 213
 214     if ((cp = context_find ("credentials"))) {
 215         /* post doesn't read context so need to pass credentials. */
 216         vec[vecp++] = "-credentials";
 217         vec[vecp++] = cp;
 218     }
 219
 220     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0)) {
 221         case DONE:
 222         case NOTOK:
 223             status++;
 224             break;
 225         case OK:
 226             break;
 227     }
 228
 229     fclose (fp);
 230     if (unlink (tmpfil) == -1)
 231         advise (NULL, "unable to remove temp file %s", tmpfil);
 232     done (status);
 233     return 1;
 234 }