diplodocus.org Git - nmh/blob - uip/viamail.c

   1
   2 /*
   3  * viamail.c -- send multiple files in a MIME message
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <fcntl.h>
  14 #include <h/signals.h>
  15 #include <h/md5.h>
  16 #include <errno.h>
  17 #include <signal.h>
  18 #include <h/mts.h>
  19 #include <h/tws.h>
  20 #include <h/mime.h>
  21 #include <h/mhparse.h>
  22
  23 #ifdef HAVE_SYS_WAIT_H
  24 # include <sys/wait.h>
  25 #endif
  26
  27 static struct swit switches[] = {
  28 #define TOSW                    0
  29     { "to mailpath", 0 },
  30 #define FROMSW                  1
  31     { "from mailpath", 0 },
  32 #define SUBJECTSW               2
  33     { "subject subject", 0 },
  34 #define PARAMSW                 3
  35     { "parameters arguments", 0 },
  36 #define DESCRIPTSW              4
  37     { "description text", 0 },
  38 #define COMMENTSW               5
  39     { "comment text", 0 },
  40 #define DELAYSW                 6
  41     { "delay seconds", 0 },
  42 #define VERBSW                  7
  43     { "verbose", 0 },
  44 #define NVERBSW                 8
  45     { "noverbose", 0 },
  46 #define VERSIONSW               9
  47     { "version", 0 },
  48 #define HELPSW                 10
  49     { "help", 0 },
  50 #define DEBUGSW                11
  51     { "debug", -5 },
  52     { NULL, 0 }
  53 };
  54
  55 extern int errno;
  56 extern int debugsw;
  57 extern int splitsw;
  58 extern int verbsw;
  59
  60 int ebcdicsw = 0;       /* hack for linking purposes */
  61
  62 /* mhmisc.c */
  63 void set_endian (void);
  64
  65 /* mhoutsbr.c */
  66 int writeBase64aux (FILE *, FILE *);
  67
  68 /*
  69  * static prototypes
  70  */
  71 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  72
  73
  74 int
  75 main (int argc, char **argv)
  76 {
  77     int delay = 0;
  78     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  79     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  80     char *cp, buf[BUFSIZ];
  81     char **argp, **arguments;
  82
  83 #ifdef LOCALE
  84     setlocale(LC_ALL, "");
  85 #endif
  86     invo_name = r1bindex (argv[0], '/');
  87
  88     /* foil search of user profile/context */
  89     if (context_foil (NULL) == -1)
  90         done (1);
  91
  92     arguments = getarguments (invo_name, argc, argv, 0);
  93     argp = arguments;
  94
  95     while ((cp = *argp++)) {
  96         if (*cp == '-') {
  97             switch (smatch (++cp, switches)) {
  98             case AMBIGSW:
  99                 ambigsw (cp, switches);
 100                 done (1);
 101             case UNKWNSW:
 102                 adios (NULL, "-%s unknown", cp);
 103
 104             case HELPSW:
 105                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
 106                 print_help (buf, switches, 1);
 107                 done (1);
 108             case VERSIONSW:
 109                 print_version(invo_name);
 110                 done (1);
 111
 112             case TOSW:
 113                 if (!(f1 = *argp++))
 114                     adios (NULL, "missing argument to %s", argp[-2]);
 115                 continue;
 116             case SUBJECTSW:
 117                 if (!(f2 = *argp++))
 118                     adios (NULL, "missing argument to %s", argp[-2]);
 119                 continue;
 120             case PARAMSW:
 121                 if (!(f3 = *argp++))
 122                     adios (NULL, "missing argument to %s", argp[-2]);
 123                 continue;
 124             case DESCRIPTSW:
 125                 if (!(f4 = *argp++))
 126                     adios (NULL, "missing argument to %s", argp[-2]);
 127                 continue;
 128             case COMMENTSW:
 129                 if (!(f5 = *argp++))
 130                     adios (NULL, "missing argument to %s", argp[-2]);
 131                 continue;
 132             case DELAYSW:
 133                 if (!(cp = *argp++) || *cp == '-')
 134                     adios (NULL, "missing argument to %s", argp[-2]);
 135
 136                 /*
 137                  * If there is an error, just reset the delay parameter
 138                  * to -1.  We will set a default delay later.
 139                  */
 140                 if (sscanf (cp, "%d", &delay) != 1)
 141                     delay = -1;
 142                 continue;
 143             case FROMSW:
 144                 if (!(f7 = *argp++))
 145                     adios (NULL, "missing argument to %s", argp[-2]);
 146                 continue;
 147
 148             case VERBSW:
 149                 verbsw = 1;
 150                 continue;
 151             case NVERBSW:
 152                 verbsw = 0;
 153                 continue;
 154
 155             case DEBUGSW:
 156                 debugsw = 1;
 157                 continue;
 158             }
 159         }
 160     }
 161
 162     set_endian ();
 163
 164     if (!f1)
 165         adios (NULL, "missing -viamail \"mailpath\" switch");
 166
 167     via_mail (f1, f2, f3, f4, f5, delay, f7);
 168     return 0;  /* dead code to satisfy the compiler */
 169 }
 170
 171
 172 /*
 173  * VIAMAIL
 174  */
 175
 176 static int
 177 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 178           char *cmntsw, int delay, char *fromsw)
 179 {
 180     int status, vecp = 1;
 181     char tmpfil[BUFSIZ];
 182     char *vec[MAXARGS];
 183     struct stat st;
 184     FILE *fp;
 185
 186     umask (~m_gmprot ());
 187
 188     strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
 189     if ((fp = fopen (tmpfil, "w+")) == NULL)
 190         adios (tmpfil, "unable to open for writing");
 191     chmod (tmpfil, 0600);
 192
 193     if (!strchr(mailsw, '@'))
 194         mailsw = concat (mailsw, "@", LocalName (), NULL);
 195     fprintf (fp, "To: %s\n", mailsw);
 196
 197     if (subjsw)
 198         fprintf (fp, "Subject: %s\n", subjsw);
 199
 200     if (fromsw) {
 201         if (!strchr(fromsw, '@'))
 202             fromsw = concat (fromsw, "@", LocalName (), NULL);
 203         fprintf (fp, "From: %s\n", fromsw);
 204     }
 205
 206     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 207     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 208
 209     if (parmsw)
 210         fprintf (fp, "; %s", parmsw);
 211
 212     if (cmntsw)
 213         fprintf (fp, "\n\t(%s)", cmntsw);
 214
 215     if (descsw)
 216         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 217
 218     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 219
 220     if (fflush (fp))
 221         adios (tmpfil, "error writing to");
 222
 223     writeBase64aux (stdin, fp);
 224     if (fflush (fp))
 225         adios (tmpfil, "error writing to");
 226
 227     if (fstat (fileno (fp), &st) == NOTOK)
 228         adios ("failed", "fstat of %s", tmpfil);
 229
 230     if (delay < 0)
 231         splitsw = 10;
 232     else
 233         splitsw = delay;
 234
 235     status = 0;
 236     vec[0] = r1bindex (postproc, '/');
 237     if (verbsw)
 238         vec[vecp++] = "-verbose";
 239
 240     switch (sendsbr (vec, vecp, tmpfil, &st, 0, (char *)0)) {
 241         case DONE:
 242         case NOTOK:
 243             status++;
 244             break;
 245         case OK:
 246             break;
 247     }
 248
 249     fclose (fp);
 250     if (unlink (tmpfil) == -1)
 251         advise (NULL, "unable to remove temp file %s", tmpfil);
 252     return done (status);
 253 }