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=\"which_room\" VALUE=\"");
  44         urlescputs(bstr("which_room"));
  45         wprintf("\">\n");
  46
  47         wprintf("You can upload any image directly from your computer,\n");
  48         wprintf("as long as it is in GIF format (JPEG, PNG, etc. won't\n");
  49         wprintf("work).<BR><BR>\n");
  50
  51         wprintf("Please select a file to upload:<BR>\n");
  52         wprintf("<INPUT TYPE=\"FILE\" NAME=\"filename\" SIZE=\"35\">\n");
  53         wprintf("<BR>");
  54         wprintf("<INPUT TYPE=\"SUBMIT\" VALUE=\"Upload\">\n");
  55         wprintf("<INPUT TYPE=\"RESET\" VALUE=\"Reset Form\">\n");
  56         wprintf("</FORM>\n");
  57         wprintf("<A HREF=\"/display_main_menu\">Cancel</A>\n");
  58         wprintf("</CENTER>\n");
  59         wDumpContent(1);
  60 }
  61
  62 void do_graphics_upload(char *upl_cmd)
  63 {
  64         char buf[SIZ];
  65         int bytes_remaining;
  66         int pos = 0;
  67         int thisblock;
  68
  69         if (WC->upload_length == 0) {
  70                 display_error("You didn't upload a file.\n");
  71                 return;
  72         }
  73         serv_puts(upl_cmd);
  74         serv_gets(buf);
  75         if (buf[0] != '2') {
  76                 display_error(&buf[4]);
  77                 return;
  78         }
  79         bytes_remaining = WC->upload_length;
  80         while (bytes_remaining) {
  81                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
  82                 serv_printf("WRIT %d", thisblock);
  83                 serv_gets(buf);
  84                 if (buf[0] != '7') {
  85                         display_error(&buf[4]);
  86                         serv_puts("UCLS 0");
  87                         serv_gets(buf);
  88                         return;
  89                 }
  90                 thisblock = extract_int(&buf[4], 0);
  91                 serv_write(&WC->upload[pos], thisblock);
  92                 pos = pos + thisblock;
  93                 bytes_remaining = bytes_remaining - thisblock;
  94         }
  95
  96         serv_puts("UCLS 1");
  97         serv_gets(buf);
  98         if (buf[0] != 'x') {
  99                 display_success(&buf[4]);
 100                 return;
 101         }
 102 }