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 "sbr/print_version.h"
  10 #include "sbr/print_help.h"
  11 #include "sbr/arglist.h"
  12 #include "sbr/error.h"
  13 #include <fcntl.h>
  14 #include "h/md5.h"
  15 #include "h/mts.h"
  16 #include "h/tws.h"
  17 #include "h/mime.h"
  18 #include "h/mhparse.h"
  19 #include "h/done.h"
  20 #include "h/utils.h"
  21 #include "sbr/m_mktemp.h"
  22 #include "sbr/base64.h"
  23
  24 #define VIAMAIL_SWITCHES \
  25     X("to mailpath", 0, TOSW) \
  26     X("from mailpath", 0, FROMSW) \
  27     X("subject subject", 0, SUBJECTSW) \
  28     X("parameters arguments", 0, PARAMSW) \
  29     X("description text", 0, DESCRIPTSW) \
  30     X("comment text", 0, COMMENTSW) \
  31     X("delay seconds", 0, DELAYSW) \
  32     X("verbose", 0, VERBSW) \
  33     X("noverbose", 0, NVERBSW) \
  34     X("version", 0, VERSIONSW) \
  35     X("help", 0, HELPSW) \
  36     X("debug", -5, DEBUGSW) \
  37
  38 #define X(sw, minchars, id) id,
  39 DEFINE_SWITCH_ENUM(VIAMAIL);
  40 #undef X
  41
  42 #define X(sw, minchars, id) { sw, minchars, id },
  43 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  44 #undef X
  45
  46 extern int debugsw;
  47 extern int splitsw;
  48 extern bool verbsw;
  49
  50 /*
  51  * static prototypes
  52  */
  53 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  54
  55
  56 int
  57 main (int argc, char **argv)
  58 {
  59     int delay = 0;
  60     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  61     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  62     char *cp, buf[BUFSIZ];
  63     char **argp, **arguments;
  64
  65     if (nmh_init(argv[0], true, false)) { return 1; }
  66
  67     arguments = getarguments (invo_name, argc, argv, 0);
  68     argp = arguments;
  69
  70     while ((cp = *argp++)) {
  71         if (*cp == '-') {
  72             switch (smatch (++cp, switches)) {
  73             case AMBIGSW:
  74                 ambigsw (cp, switches);
  75                 done (1);
  76             case UNKWNSW:
  77                 die("-%s unknown", cp);
  78
  79             case HELPSW:
  80                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  81                 print_help (buf, switches, 1);
  82                 done (0);
  83             case VERSIONSW:
  84                 print_version(invo_name);
  85                 done (0);
  86
  87             case TOSW:
  88                 if (!(f1 = *argp++))
  89                     die("missing argument to %s", argp[-2]);
  90                 continue;
  91             case SUBJECTSW:
  92                 if (!(f2 = *argp++))
  93                     die("missing argument to %s", argp[-2]);
  94                 continue;
  95             case PARAMSW:
  96                 if (!(f3 = *argp++))
  97                     die("missing argument to %s", argp[-2]);
  98                 continue;
  99             case DESCRIPTSW:
 100                 if (!(f4 = *argp++))
 101                     die("missing argument to %s", argp[-2]);
 102                 continue;
 103             case COMMENTSW:
 104                 if (!(f5 = *argp++))
 105                     die("missing argument to %s", argp[-2]);
 106                 continue;
 107             case DELAYSW:
 108                 if (!(cp = *argp++) || *cp == '-')
 109                     die("missing argument to %s", argp[-2]);
 110
 111                 /*
 112                  * If there is an error, just reset the delay parameter
 113                  * to -1.  We will set a default delay later.
 114                  */
 115                 if (sscanf (cp, "%d", &delay) != 1)
 116                     delay = -1;
 117                 continue;
 118             case FROMSW:
 119                 if (!(f7 = *argp++))
 120                     die("missing argument to %s", argp[-2]);
 121                 continue;
 122
 123             case VERBSW:
 124                 verbsw = true;
 125                 continue;
 126             case NVERBSW:
 127                 verbsw = false;
 128                 continue;
 129
 130             case DEBUGSW:
 131                 debugsw = 1;
 132                 continue;
 133             }
 134         }
 135     }
 136
 137     if (!f1)
 138         die("missing -viamail \"mailpath\" switch");
 139
 140     via_mail (f1, f2, f3, f4, f5, delay, f7);
 141     return 0;  /* dead code to satisfy the compiler */
 142 }
 143
 144
 145 /*
 146  * VIAMAIL
 147  */
 148
 149 static int
 150 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 151           char *cmntsw, int delay, char *fromsw)
 152 {
 153     int status, vecp;
 154     char tmpfil[BUFSIZ], *program;
 155     char **vec;
 156     struct stat st;
 157     FILE *fp;
 158     char *tfile = NULL;
 159     char *cp;
 160
 161     umask (~m_gmprot ());
 162
 163     if ((tfile = m_mktemp2(NULL, invo_name, NULL, &fp)) == NULL) {
 164         die("unable to create temporary file in %s", get_temp_dir());
 165     }
 166     strncpy (tmpfil, tfile, sizeof(tmpfil));
 167
 168     if (!strchr(mailsw, '@'))
 169         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 170     fprintf (fp, "To: %s\n", mailsw);
 171
 172     if (subjsw)
 173         fprintf (fp, "Subject: %s\n", subjsw);
 174
 175     if (fromsw) {
 176         if (!strchr(fromsw, '@'))
 177             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 178         fprintf (fp, "From: %s\n", fromsw);
 179     }
 180
 181     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 182     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 183
 184     if (parmsw)
 185         fprintf (fp, "; %s", parmsw);
 186
 187     if (cmntsw)
 188         fprintf (fp, "\n\t(%s)", cmntsw);
 189
 190     if (descsw)
 191         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 192
 193     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 194
 195     if (fflush (fp))
 196         adios (tmpfil, "error writing to");
 197
 198     writeBase64aux (stdin, fp, 0);
 199     if (fflush (fp))
 200         adios (tmpfil, "error writing to");
 201
 202     if (fstat (fileno (fp), &st) == NOTOK)
 203         adios ("failed", "fstat of %s", tmpfil);
 204
 205     if (delay < 0)
 206         splitsw = 10;
 207     else
 208         splitsw = delay;
 209
 210     status = 0;
 211
 212     vec = argsplit(postproc, &program, &vecp);
 213     if (verbsw)
 214         vec[vecp++] = "-verbose";
 215
 216     if ((cp = context_find ("credentials"))) {
 217         /* post doesn't read context so need to pass credentials. */
 218         vec[vecp++] = "-credentials";
 219         vec[vecp++] = cp;
 220     }
 221
 222     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0, NULL)) {
 223         case DONE:
 224         case NOTOK:
 225             status++;
 226             break;
 227         case OK:
 228             break;
 229     }
 230
 231     fclose (fp);
 232     if (m_unlink (tmpfil) == -1)
 233         advise (tmpfil, "unable to remove temp file %s", tmpfil);
 234     done (status);
 235     return 1;
 236 }