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