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