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