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 "sendsbr.h"
  10 #include "sbr/m_gmprot.h"
  11 #include "sbr/getarguments.h"
  12 #include "sbr/concat.h"
  13 #include "sbr/smatch.h"
  14 #include "sbr/context_find.h"
  15 #include "sbr/ambigsw.h"
  16 #include "sbr/print_version.h"
  17 #include "sbr/print_help.h"
  18 #include "sbr/arglist.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/mts.h"
  22 #include "h/tws.h"
  23 #include "h/mime.h"
  24 #include "h/mhparse.h"
  25 #include "h/done.h"
  26 #include "h/utils.h"
  27 #include "sbr/m_mktemp.h"
  28 #include "sbr/base64.h"
  29
  30 #define VIAMAIL_SWITCHES \
  31     X("to mailpath", 0, TOSW) \
  32     X("from mailpath", 0, FROMSW) \
  33     X("subject subject", 0, SUBJECTSW) \
  34     X("parameters arguments", 0, PARAMSW) \
  35     X("description text", 0, DESCRIPTSW) \
  36     X("comment text", 0, COMMENTSW) \
  37     X("delay seconds", 0, DELAYSW) \
  38     X("verbose", 0, VERBSW) \
  39     X("noverbose", 0, NVERBSW) \
  40     X("version", 0, VERSIONSW) \
  41     X("help", 0, HELPSW) \
  42     X("debug", -5, DEBUGSW) \
  43
  44 #define X(sw, minchars, id) id,
  45 DEFINE_SWITCH_ENUM(VIAMAIL);
  46 #undef X
  47
  48 #define X(sw, minchars, id) { sw, minchars, id },
  49 DEFINE_SWITCH_ARRAY(VIAMAIL, switches);
  50 #undef X
  51
  52 extern int debugsw;
  53 extern int splitsw;
  54 extern bool verbsw;
  55
  56 /*
  57  * static prototypes
  58  */
  59 static int via_mail (char *, char *, char *, char *, char *, int, char *);
  60
  61
  62 int
  63 main (int argc, char **argv)
  64 {
  65     int delay = 0;
  66     char *f1 = NULL, *f2 = NULL, *f3 = NULL;
  67     char *f4 = NULL, *f5 = NULL, *f7 = NULL;
  68     char *cp, buf[BUFSIZ];
  69     char **argp, **arguments;
  70
  71     if (nmh_init(argv[0], true, false)) { return 1; }
  72
  73     arguments = getarguments (invo_name, argc, argv, 0);
  74     argp = arguments;
  75
  76     while ((cp = *argp++)) {
  77         if (*cp == '-') {
  78             switch (smatch (++cp, switches)) {
  79             case AMBIGSW:
  80                 ambigsw (cp, switches);
  81                 done (1);
  82             case UNKWNSW:
  83                 die("-%s unknown", cp);
  84
  85             case HELPSW:
  86                 snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
  87                 print_help (buf, switches, 1);
  88                 done (0);
  89             case VERSIONSW:
  90                 print_version(invo_name);
  91                 done (0);
  92
  93             case TOSW:
  94                 if (!(f1 = *argp++))
  95                     die("missing argument to %s", argp[-2]);
  96                 continue;
  97             case SUBJECTSW:
  98                 if (!(f2 = *argp++))
  99                     die("missing argument to %s", argp[-2]);
 100                 continue;
 101             case PARAMSW:
 102                 if (!(f3 = *argp++))
 103                     die("missing argument to %s", argp[-2]);
 104                 continue;
 105             case DESCRIPTSW:
 106                 if (!(f4 = *argp++))
 107                     die("missing argument to %s", argp[-2]);
 108                 continue;
 109             case COMMENTSW:
 110                 if (!(f5 = *argp++))
 111                     die("missing argument to %s", argp[-2]);
 112                 continue;
 113             case DELAYSW:
 114                 if (!(cp = *argp++) || *cp == '-')
 115                     die("missing argument to %s", argp[-2]);
 116
 117                 /*
 118                  * If there is an error, just reset the delay parameter
 119                  * to -1.  We will set a default delay later.
 120                  */
 121                 if (sscanf (cp, "%d", &delay) != 1)
 122                     delay = -1;
 123                 continue;
 124             case FROMSW:
 125                 if (!(f7 = *argp++))
 126                     die("missing argument to %s", argp[-2]);
 127                 continue;
 128
 129             case VERBSW:
 130                 verbsw = true;
 131                 continue;
 132             case NVERBSW:
 133                 verbsw = false;
 134                 continue;
 135
 136             case DEBUGSW:
 137                 debugsw = 1;
 138                 continue;
 139             }
 140         }
 141     }
 142
 143     if (!f1)
 144         die("missing -viamail \"mailpath\" switch");
 145
 146     via_mail (f1, f2, f3, f4, f5, delay, f7);
 147     return 0;  /* dead code to satisfy the compiler */
 148 }
 149
 150
 151 /*
 152  * VIAMAIL
 153  */
 154
 155 static int
 156 via_mail (char *mailsw, char *subjsw, char *parmsw, char *descsw,
 157           char *cmntsw, int delay, char *fromsw)
 158 {
 159     int status, vecp;
 160     char tmpfil[BUFSIZ], *program;
 161     char **vec;
 162     struct stat st;
 163     FILE *fp;
 164     char *tfile = NULL;
 165     char *cp;
 166
 167     umask (~m_gmprot ());
 168
 169     if ((tfile = m_mktemp2(NULL, invo_name, NULL, &fp)) == NULL) {
 170         die("unable to create temporary file in %s", get_temp_dir());
 171     }
 172     strncpy (tmpfil, tfile, sizeof(tmpfil));
 173
 174     if (!strchr(mailsw, '@'))
 175         mailsw = concat (mailsw, "@", LocalName (0), NULL);
 176     fprintf (fp, "To: %s\n", mailsw);
 177
 178     if (subjsw)
 179         fprintf (fp, "Subject: %s\n", subjsw);
 180
 181     if (fromsw) {
 182         if (!strchr(fromsw, '@'))
 183             fromsw = concat (fromsw, "@", LocalName (0), NULL);
 184         fprintf (fp, "From: %s\n", fromsw);
 185     }
 186
 187     fprintf (fp, "%s: %s\n", VRSN_FIELD, VRSN_VALUE);
 188     fprintf (fp, "%s: application/octet-stream", TYPE_FIELD);
 189
 190     if (parmsw)
 191         fprintf (fp, "; %s", parmsw);
 192
 193     if (cmntsw)
 194         fprintf (fp, "\n\t(%s)", cmntsw);
 195
 196     if (descsw)
 197         fprintf (fp, "\n%s: %s", DESCR_FIELD, descsw);
 198
 199     fprintf (fp, "\n%s: %s\n\n", ENCODING_FIELD, "base64");
 200
 201     if (fflush (fp))
 202         adios (tmpfil, "error writing to");
 203
 204     writeBase64aux (stdin, fp, 0);
 205     if (fflush (fp))
 206         adios (tmpfil, "error writing to");
 207
 208     if (fstat (fileno (fp), &st) == NOTOK)
 209         adios ("failed", "fstat of %s", tmpfil);
 210
 211     if (delay < 0)
 212         splitsw = 10;
 213     else
 214         splitsw = delay;
 215
 216     status = 0;
 217
 218     vec = argsplit(postproc, &program, &vecp);
 219     if (verbsw)
 220         vec[vecp++] = "-verbose";
 221
 222     if ((cp = context_find ("credentials"))) {
 223         /* post doesn't read context so need to pass credentials. */
 224         vec[vecp++] = "-credentials";
 225         vec[vecp++] = cp;
 226     }
 227
 228     switch (sendsbr (vec, vecp, program, tmpfil, &st, 0, NULL)) {
 229         case DONE:
 230         case NOTOK:
 231             status++;
 232             break;
 233         case OK:
 234             break;
 235     }
 236
 237     fclose (fp);
 238     if (m_unlink (tmpfil) == -1)
 239         advise (tmpfil, "unable to remove temp file %s", tmpfil);
 240     done (status);
 241     return 1;
 242 }