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