webcit/graphics.c

   1
   2 #include <ctype.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include <stdio.h>
   6 #include <fcntl.h>
   7 #include <signal.h>
   8 #include <sys/types.h>
   9 #include <sys/wait.h>
  10 #include <sys/socket.h>
  11 #include <sys/time.h>
  12 #include <limits.h>
  13 #include <netinet/in.h>
  14 #include <netdb.h>
  15 #include <string.h>
  16 #include <pwd.h>
  17 #include <errno.h>
  18 #include <stdarg.h>
  19 #include <pthread.h>
  20 #include <signal.h>
  21 #include "webcit.h"
  22
  23 void display_graphics_upload(char *description, char *check_cmd, char *uplurl)
  24 {
  25         char buf[SIZ];
  26
  27         serv_puts(check_cmd);
  28         serv_gets(buf);
  29         if (buf[0] != '2') {
  30                 display_error(&buf[4]);
  31                 return;
  32         }
  33         output_headers(3);
  34         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#770000\"><TR><TD>");
  35         wprintf("<SPAN CLASS=\"titlebar\">Set/change %s</SPAN>\n", description);
  36         wprintf("</TD></TR></TABLE>\n");
  37
  38         wprintf("<CENTER>\n");
  39
  40         wprintf("<FORM ENCTYPE=\"multipart/form-data\" ACTION=\"%s\" "
  41                 "METHOD=\"POST\" NAME=\"graphicsupload\">\n", uplurl);
  42
  43         wprintf("<INPUT TYPE=\"hidden\" NAME=\"foo\" VALUE=\"bar\">\n");
  44
  45         wprintf("<INPUT TYPE=\"hidden\" NAME=\"which_room\" VALUE=\"");
  46         urlescputs(bstr("which_room"));
  47         wprintf("\">\n");
  48
  49         wprintf("You can upload any image directly from your computer,\n");
  50         wprintf("as long as it is in GIF format (JPEG, PNG, etc. won't\n");
  51         wprintf("work).<BR><BR>\n");
  52
  53         wprintf("Please select a file to upload:<BR>\n");
  54         wprintf("<INPUT TYPE=\"FILE\" NAME=\"filename\" SIZE=\"35\">\n");
  55         wprintf("<BR>");
  56         wprintf("<INPUT TYPE=\"SUBMIT\" VALUE=\"Upload\">\n");
  57         wprintf("<INPUT TYPE=\"RESET\" VALUE=\"Reset Form\">\n");
  58         wprintf("<INPUT TYPE=\"hidden\" NAME=\"baz\" VALUE=\"eek\">\n");
  59         wprintf("</FORM>\n");
  60         wprintf("<A HREF=\"/display_main_menu\">Cancel</A>\n");
  61         wprintf("</CENTER>\n");
  62         wDumpContent(1);
  63 }
  64
  65 void do_graphics_upload(char *upl_cmd)
  66 {
  67         char buf[SIZ];
  68         int bytes_remaining;
  69         int pos = 0;
  70         int thisblock;
  71
  72         if (WC->upload_length == 0) {
  73                 display_error("You didn't upload a file.\n");
  74                 return;
  75         }
  76         serv_puts(upl_cmd);
  77         serv_gets(buf);
  78         if (buf[0] != '2') {
  79                 display_error(&buf[4]);
  80                 return;
  81         }
  82         bytes_remaining = WC->upload_length;
  83         while (bytes_remaining) {
  84                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
  85                 serv_printf("WRIT %d", thisblock);
  86                 serv_gets(buf);
  87                 if (buf[0] != '7') {
  88                         display_error(&buf[4]);
  89                         serv_puts("UCLS 0");
  90                         serv_gets(buf);
  91                         return;
  92                 }
  93                 thisblock = extract_int(&buf[4], 0);
  94                 serv_write(&WC->upload[pos], thisblock);
  95                 pos = pos + thisblock;
  96                 bytes_remaining = bytes_remaining - thisblock;
  97         }
  98
  99         serv_puts("UCLS 1");
 100         serv_gets(buf);
 101         if (buf[0] != 'x') {
 102                 display_success(&buf[4]);
 103                 return;
 104         }
 105 }