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/smatch.h"
  10 #include "sbr/context_find.h"
  11 #include "sbr/ambigsw.h"
  12 #include "sbr/print_version.h"
  13 #include "sbr/print_help.h"
  14 #include "sbr/arglist.h"
  15 #include "sbr/error.h"
  16 #include <fcntl.h>
  17 #include "h/md5.h"
  18 #include "h/mts.h"
  19 #include "h/tws.h"
  20 #include "h/mime.h"
  21 #include "h/mhparse.h"
  22 #include "h/done.h"
  23 #include "h/utils.h"
  24 #include "sbr/m_mktemp.h"
  25 #include "sbr/base64.h"
  26
  27 #define VIAMAIL_SWITCHES \
  28     X("to mailpath", 0, TOSW) \
  29     X("from mailpath", 0, FROMSW) \
  30     X("subject subject", 0, SUBJECTSW) \
  31     X("parameters arguments", 0, PARAMSW) \
  32     X("description text", 0, DESCRIPTSW) \
  33     X("comment text", 0, COMMENTSW) \
  34     X("delay seconds", 0, DELAYSW) \
  35     X("verbose", 0, VERBSW) \
  36     X("noverbose", 0, NVERBSW) \
  37     X("version", 0, VERSIONSW) \
  38     X("help", 0, HELPSW) \
  39     X("debug", -5, DEBUGSW) \
  40
  41 #define X(sw, minchars, id) id,
  42 DEFINE_SWITCH_ENUM(VIAMAIL);
  43 #undef X
  44
  45 #define X(sw, minchars, id) { sw, minchars, id },
  46 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  47 #undef X
  48
  49 extern int debugsw;
  50 extern int splitsw;
  51 extern bool verbsw;
  52
  53 /*
  54  * static prototypes
  55  */
  56 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  57
  58
  59 int
  60 main (int argc, char **argv)
  61 {
  62     int delay = 0;
  63     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  64     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  65     char *cp, buf[BUFSIZ];
  66     char **argp, **arguments;
  67
  68     if (nmh_init(argv[0], true, false)) { return 1; }
  69
  70     arguments = getarguments (invo_name, argc, argv, 0);
  71     argp = arguments;
  72
  73     while ((cp = *argp++)) {
  74         if (*cp == '-') {
  75             switch (smatch (++cp, switches)) {
  76             case AMBIGSW:
  77                 ambigsw (cp, switches);
  78                 done (1);
  79             case UNKWNSW:
  80                 die("-%s unknown", cp);
  81
  82             case HELPSW:
  83                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  84                 print_help (buf, switches, 1);
  85                 done (0);
  86             case VERSIONSW:
  87                 print_version(invo_name);
  88                 done (0);
  89
  90             case TOSW:
  91                 if (!(f1 = *argp++))
  92                     die("missing argument to %s", argp[-2]);
  93                 continue;
  94             case SUBJECTSW:
  95                 if (!(f2 = *argp++))
  96                     die("missing argument to %s", argp[-2]);
  97                 continue;
  98             case PARAMSW:
  99                 if (!(f3 = *argp++))
 100                     die("missing argument to %s", argp[-2]);
 101                 continue;
 102             case DESCRIPTSW:
 103                 if (!(f4 = *argp++))
 104                     die("missing argument to %s", argp[-2]);
 105                 continue;
 106             case COMMENTSW:
 107                 if (!(f5 = *argp++))
 108                     die("missing argument to %s", argp[-2]);
 109                 continue;
 110             case DELAYSW:
 111                 if (!(cp = *argp++) || *cp == '-')
 112                     die("missing argument to %s", argp[-2]);
 113
 114                 /*
 115                  * If there is an error, just reset the delay parameter
 116                  * to -1.  We will set a default delay later.
 117                  */
 118                 if (sscanf (cp, "%d", &delay) != 1)
 119                     delay = -1;
 120                 continue;
 121             case FROMSW:
 122                 if (!(f7 = *argp++))
 123                     die("missing argument to %s", argp[-2]);
 124                 continue;
 125
 126             case VERBSW:
 127                 verbsw = true;
 128                 continue;
 129             case NVERBSW:
 130                 verbsw = false;
 131                 continue;
 132
 133             case DEBUGSW:
 134                 debugsw = 1;
 135                 continue;
 136             }
 137         }
 138     }
 139
 140     if (!f1)
 141         die("missing -viamail \"mailpath\" switch");
 142
 143     via_mail (f1, f2, f3, f4, f5, delay, f7);
 144     return 0;  /* dead code to satisfy the compiler */
 145 }
 146
 147
 148 /*
 149  * VIAMAIL
 150  */
 151
 152 static int
 153 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 154           char *cmntsw, int delay, char *fromsw)
 155 {
 156     int status, vecp;
 157     char tmpfil[BUFSIZ], *program;
 158     char **vec;
 159     struct stat st;
 160     FILE *fp;
 161     char *tfile = NULL;
 162     char *cp;
 163
 164     umask (~m_gmprot ());
 165
 166     if ((tfile = m_mktemp2(NULL, invo_name, NULL, &fp)) == NULL) {
 167         die("unable to create temporary file in %s", get_temp_dir());
 168     }
 169     strncpy (tmpfil, tfile, sizeof(tmpfil));
 170
 171     if (!strchr(mailsw, '@'))
 172         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 173     fprintf (fp, "To: %s\n", mailsw);
 174
 175     if (subjsw)
 176         fprintf (fp, "Subject: %s\n", subjsw);
 177
 178     if (fromsw) {
 179         if (!strchr(fromsw, '@'))
 180             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 181         fprintf (fp, "From: %s\n", fromsw);
 182     }
 183
 184     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 185     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 186
 187     if (parmsw)
 188         fprintf (fp, "; %s", parmsw);
 189
 190     if (cmntsw)
 191         fprintf (fp, "\n\t(%s)", cmntsw);
 192
 193     if (descsw)
 194         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 195
 196     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 197
 198     if (fflush (fp))
 199         adios (tmpfil, "error writing to");
 200
 201     writeBase64aux (stdin, fp, 0);
 202     if (fflush (fp))
 203         adios (tmpfil, "error writing to");
 204
 205     if (fstat (fileno (fp), &st) == NOTOK)
 206         adios ("failed", "fstat of %s", tmpfil);
 207
 208     if (delay < 0)
 209         splitsw = 10;
 210     else
 211         splitsw = delay;
 212
 213     status = 0;
 214
 215     vec = argsplit(postproc, &program, &vecp);
 216     if (verbsw)
 217         vec[vecp++] = "-verbose";
 218
 219     if ((cp = context_find ("credentials"))) {
 220         /* post doesn't read context so need to pass credentials. */
 221         vec[vecp++] = "-credentials";
 222         vec[vecp++] = cp;
 223     }
 224
 225     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0, NULL)) {
 226         case DONE:
 227         case NOTOK:
 228             status++;
 229             break;
 230         case OK:
 231             break;
 232     }
 233
 234     fclose (fp);
 235     if (m_unlink (tmpfil) == -1)
 236         advise (tmpfil, "unable to remove temp file %s", tmpfil);
 237     done (status);
 238     return 1;
 239 }