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 "sendsbr.h"
  10 #include "sbr/m_gmprot.h"
  11 #include "sbr/getarguments.h"
  12 #include "sbr/concat.h"
  13 #include "sbr/smatch.h"
  14 #include "sbr/context_find.h"
  15 #include "sbr/ambigsw.h"
  16 #include "sbr/print_version.h"
  17 #include "sbr/print_help.h"
  18 #include "sbr/arglist.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/md5.h"
  22 #include "h/mts.h"
  23 #include "h/tws.h"
  24 #include "h/mime.h"
  25 #include "h/mhparse.h"
  26 #include "h/done.h"
  27 #include "h/utils.h"
  28 #include "sbr/m_mktemp.h"
  29 #include "sbr/base64.h"
  30
  31 #define VIAMAIL_SWITCHES \
  32     X("to mailpath", 0, TOSW) \
  33     X("from mailpath", 0, FROMSW) \
  34     X("subject subject", 0, SUBJECTSW) \
  35     X("parameters arguments", 0, PARAMSW) \
  36     X("description text", 0, DESCRIPTSW) \
  37     X("comment text", 0, COMMENTSW) \
  38     X("delay seconds", 0, DELAYSW) \
  39     X("verbose", 0, VERBSW) \
  40     X("noverbose", 0, NVERBSW) \
  41     X("version", 0, VERSIONSW) \
  42     X("help", 0, HELPSW) \
  43     X("debug", -5, DEBUGSW) \
  44
  45 #define X(sw, minchars, id) id,
  46 DEFINE_SWITCH_ENUM(VIAMAIL);
  47 #undef X
  48
  49 #define X(sw, minchars, id) { sw, minchars, id },
  50 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  51 #undef X
  52
  53 extern int debugsw;
  54 extern int splitsw;
  55 extern bool verbsw;
  56
  57 /*
  58  * static prototypes
  59  */
  60 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  61
  62
  63 int
  64 main (int argc, char **argv)
  65 {
  66     int delay = 0;
  67     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  68     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  69     char *cp, buf[BUFSIZ];
  70     char **argp, **arguments;
  71
  72     if (nmh_init(argv[0], true, false)) { return 1; }
  73
  74     arguments = getarguments (invo_name, argc, argv, 0);
  75     argp = arguments;
  76
  77     while ((cp = *argp++)) {
  78         if (*cp == '-') {
  79             switch (smatch (++cp, switches)) {
  80             case AMBIGSW:
  81                 ambigsw (cp, switches);
  82                 done (1);
  83             case UNKWNSW:
  84                 die("-%s unknown", cp);
  85
  86             case HELPSW:
  87                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  88                 print_help (buf, switches, 1);
  89                 done (0);
  90             case VERSIONSW:
  91                 print_version(invo_name);
  92                 done (0);
  93
  94             case TOSW:
  95                 if (!(f1 = *argp++))
  96                     die("missing argument to %s", argp[-2]);
  97                 continue;
  98             case SUBJECTSW:
  99                 if (!(f2 = *argp++))
 100                     die("missing argument to %s", argp[-2]);
 101                 continue;
 102             case PARAMSW:
 103                 if (!(f3 = *argp++))
 104                     die("missing argument to %s", argp[-2]);
 105                 continue;
 106             case DESCRIPTSW:
 107                 if (!(f4 = *argp++))
 108                     die("missing argument to %s", argp[-2]);
 109                 continue;
 110             case COMMENTSW:
 111                 if (!(f5 = *argp++))
 112                     die("missing argument to %s", argp[-2]);
 113                 continue;
 114             case DELAYSW:
 115                 if (!(cp = *argp++) || *cp == '-')
 116                     die("missing argument to %s", argp[-2]);
 117
 118                 /*
 119                  * If there is an error, just reset the delay parameter
 120                  * to -1.  We will set a default delay later.
 121                  */
 122                 if (sscanf (cp, "%d", &delay) != 1)
 123                     delay = -1;
 124                 continue;
 125             case FROMSW:
 126                 if (!(f7 = *argp++))
 127                     die("missing argument to %s", argp[-2]);
 128                 continue;
 129
 130             case VERBSW:
 131                 verbsw = true;
 132                 continue;
 133             case NVERBSW:
 134                 verbsw = false;
 135                 continue;
 136
 137             case DEBUGSW:
 138                 debugsw = 1;
 139                 continue;
 140             }
 141         }
 142     }
 143
 144     if (!f1)
 145         die("missing -viamail \"mailpath\" switch");
 146
 147     via_mail (f1, f2, f3, f4, f5, delay, f7);
 148     return 0;  /* dead code to satisfy the compiler */
 149 }
 150
 151
 152 /*
 153  * VIAMAIL
 154  */
 155
 156 static int
 157 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 158           char *cmntsw, int delay, char *fromsw)
 159 {
 160     int status, vecp;
 161     char tmpfil[BUFSIZ], *program;
 162     char **vec;
 163     struct stat st;
 164     FILE *fp;
 165     char *tfile = NULL;
 166     char *cp;
 167
 168     umask (~m_gmprot ());
 169
 170     if ((tfile = m_mktemp2(NULL, invo_name, NULL, &fp)) == NULL) {
 171         die("unable to create temporary file in %s", get_temp_dir());
 172     }
 173     strncpy (tmpfil, tfile, sizeof(tmpfil));
 174
 175     if (!strchr(mailsw, '@'))
 176         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 177     fprintf (fp, "To: %s\n", mailsw);
 178
 179     if (subjsw)
 180         fprintf (fp, "Subject: %s\n", subjsw);
 181
 182     if (fromsw) {
 183         if (!strchr(fromsw, '@'))
 184             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 185         fprintf (fp, "From: %s\n", fromsw);
 186     }
 187
 188     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 189     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 190
 191     if (parmsw)
 192         fprintf (fp, "; %s", parmsw);
 193
 194     if (cmntsw)
 195         fprintf (fp, "\n\t(%s)", cmntsw);
 196
 197     if (descsw)
 198         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 199
 200     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 201
 202     if (fflush (fp))
 203         adios (tmpfil, "error writing to");
 204
 205     writeBase64aux (stdin, fp, 0);
 206     if (fflush (fp))
 207         adios (tmpfil, "error writing to");
 208
 209     if (fstat (fileno (fp), &st) == NOTOK)
 210         adios ("failed", "fstat of %s", tmpfil);
 211
 212     if (delay < 0)
 213         splitsw = 10;
 214     else
 215         splitsw = delay;
 216
 217     status = 0;
 218
 219     vec = argsplit(postproc, &program, &vecp);
 220     if (verbsw)
 221         vec[vecp++] = "-verbose";
 222
 223     if ((cp = context_find ("credentials"))) {
 224         /* post doesn't read context so need to pass credentials. */
 225         vec[vecp++] = "-credentials";
 226         vec[vecp++] = cp;
 227     }
 228
 229     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0, NULL)) {
 230         case DONE:
 231         case NOTOK:
 232             status++;
 233             break;
 234         case OK:
 235             break;
 236     }
 237
 238     fclose (fp);
 239     if (m_unlink (tmpfil) == -1)
 240         advise (tmpfil, "unable to remove temp file %s", tmpfil);
 241     done (status);
 242     return 1;
 243 }