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 <errno.h>
  15 #include <signal.h>
  16 #include <h/mts.h>
  17 #include <h/tws.h>
  18 #include <h/mime.h>
  19 #include <h/mhparse.h>
  20
  21 static struct swit switches[] = {
  22 #define TOSW                    0
  23     { "to mailpath", 0 },
  24 #define FROMSW                  1
  25     { "from mailpath", 0 },
  26 #define SUBJECTSW               2
  27     { "subject subject", 0 },
  28 #define PARAMSW                 3
  29     { "parameters arguments", 0 },
  30 #define DESCRIPTSW              4
  31     { "description text", 0 },
  32 #define COMMENTSW               5
  33     { "comment text", 0 },
  34 #define DELAYSW                 6
  35     { "delay seconds", 0 },
  36 #define VERBSW                  7
  37     { "verbose", 0 },
  38 #define NVERBSW                 8
  39     { "noverbose", 0 },
  40 #define VERSIONSW               9
  41     { "version", 0 },
  42 #define HELPSW                 10
  43     { "help", 0 },
  44 #define DEBUGSW                11
  45     { "debug", -5 },
  46     { NULL, 0 }
  47 };
  48
  49 extern int debugsw;
  50 extern int splitsw;
  51 extern int verbsw;
  52
  53 int ebcdicsw = 0;       /* hack for linking purposes */
  54
  55 /* mhmisc.c */
  56 void set_endian (void);
  57
  58 /* mhoutsbr.c */
  59 int writeBase64aux (FILE *, FILE *);
  60
  61 /*
  62  * static prototypes
  63  */
  64 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  65
  66
  67 int
  68 main (int argc, char **argv)
  69 {
  70     int delay = 0;
  71     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  72     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  73     char *cp, buf[BUFSIZ];
  74     char **argp, **arguments;
  75
  76 #ifdef LOCALE
  77     setlocale(LC_ALL, "");
  78 #endif
  79     invo_name = r1bindex (argv[0], '/');
  80
  81     /* foil search of user profile/context */
  82     if (context_foil (NULL) == -1)
  83         done (1);
  84
  85     arguments = getarguments (invo_name, argc, argv, 0);
  86     argp = arguments;
  87
  88     while ((cp = *argp++)) {
  89         if (*cp == '-') {
  90             switch (smatch (++cp, switches)) {
  91             case AMBIGSW:
  92                 ambigsw (cp, switches);
  93                 done (1);
  94             case UNKWNSW:
  95                 adios (NULL, "-%s unknown", cp);
  96
  97             case HELPSW:
  98                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  99                 print_help (buf, switches, 1);
 100                 done (1);
 101             case VERSIONSW:
 102                 print_version(invo_name);
 103                 done (1);
 104
 105             case TOSW:
 106                 if (!(f1 = *argp++))
 107                     adios (NULL, "missing argument to %s", argp[-2]);
 108                 continue;
 109             case SUBJECTSW:
 110                 if (!(f2 = *argp++))
 111                     adios (NULL, "missing argument to %s", argp[-2]);
 112                 continue;
 113             case PARAMSW:
 114                 if (!(f3 = *argp++))
 115                     adios (NULL, "missing argument to %s", argp[-2]);
 116                 continue;
 117             case DESCRIPTSW:
 118                 if (!(f4 = *argp++))
 119                     adios (NULL, "missing argument to %s", argp[-2]);
 120                 continue;
 121             case COMMENTSW:
 122                 if (!(f5 = *argp++))
 123                     adios (NULL, "missing argument to %s", argp[-2]);
 124                 continue;
 125             case DELAYSW:
 126                 if (!(cp = *argp++) || *cp == '-')
 127                     adios (NULL, "missing argument to %s", argp[-2]);
 128
 129                 /*
 130                  * If there is an error, just reset the delay parameter
 131                  * to -1.  We will set a default delay later.
 132                  */
 133                 if (sscanf (cp, "%d", &delay) != 1)
 134                     delay = -1;
 135                 continue;
 136             case FROMSW:
 137                 if (!(f7 = *argp++))
 138                     adios (NULL, "missing argument to %s", argp[-2]);
 139                 continue;
 140
 141             case VERBSW:
 142                 verbsw = 1;
 143                 continue;
 144             case NVERBSW:
 145                 verbsw = 0;
 146                 continue;
 147
 148             case DEBUGSW:
 149                 debugsw = 1;
 150                 continue;
 151             }
 152         }
 153     }
 154
 155     set_endian ();
 156
 157     if (!f1)
 158         adios (NULL, "missing -viamail \"mailpath\" switch");
 159
 160     via_mail (f1, f2, f3, f4, f5, delay, f7);
 161     return 0;  /* dead code to satisfy the compiler */
 162 }
 163
 164
 165 /*
 166  * VIAMAIL
 167  */
 168
 169 static int
 170 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 171           char *cmntsw, int delay, char *fromsw)
 172 {
 173     int status, vecp = 1;
 174     char tmpfil[BUFSIZ];
 175     char *vec[MAXARGS];
 176     struct stat st;
 177     FILE *fp;
 178     char *tfile = NULL;
 179
 180     umask (~m_gmprot ());
 181
 182     tfile = m_mktemp2(NULL, invo_name, NULL, &fp);
 183     if (tfile == NULL) adios("viamail", "unable to create temporary file");
 184     chmod(tfile, 0600);
 185     strncpy (tmpfil, tfile, sizeof(tmpfil));
 186
 187     if (!strchr(mailsw, '@'))
 188         mailsw = concat (mailsw, "@", LocalName (), NULL);
 189     fprintf (fp, "To: %s\n", mailsw);
 190
 191     if (subjsw)
 192         fprintf (fp, "Subject: %s\n", subjsw);
 193
 194     if (fromsw) {
 195         if (!strchr(fromsw, '@'))
 196             fromsw = concat (fromsw, "@", LocalName (), NULL);
 197         fprintf (fp, "From: %s\n", fromsw);
 198     }
 199
 200     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 201     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 202
 203     if (parmsw)
 204         fprintf (fp, "; %s", parmsw);
 205
 206     if (cmntsw)
 207         fprintf (fp, "\n\t(%s)", cmntsw);
 208
 209     if (descsw)
 210         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 211
 212     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 213
 214     if (fflush (fp))
 215         adios (tmpfil, "error writing to");
 216
 217     writeBase64aux (stdin, fp);
 218     if (fflush (fp))
 219         adios (tmpfil, "error writing to");
 220
 221     if (fstat (fileno (fp), &st) == NOTOK)
 222         adios ("failed", "fstat of %s", tmpfil);
 223
 224     if (delay < 0)
 225         splitsw = 10;
 226     else
 227         splitsw = delay;
 228
 229     status = 0;
 230     vec[0] = r1bindex (postproc, '/');
 231     if (verbsw)
 232         vec[vecp++] = "-verbose";
 233
 234     switch (sendsbr (vec, vecp, tmpfil, &st, 0, (char *)0, 0)) {
 235         case DONE:
 236         case NOTOK:
 237             status++;
 238             break;
 239         case OK:
 240             break;
 241     }
 242
 243     fclose (fp);
 244     if (unlink (tmpfil) == -1)
 245         advise (NULL, "unable to remove temp file %s", tmpfil);
 246     done (status);
 247     return 1;
 248 }