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("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
  36         wprintf("<B>Set/change %s</B>\n", description);
  37         wprintf("</FONT></TD></TR></TABLE>\n");
  38
  39         wprintf("<CENTER>\n");
  40
  41         wprintf("<FORM ENCTYPE=\"multipart/form-data\" ACTION=\"%s&which_room=%s\" METHOD=\"POST\">\n", uplurl, bstr("which_room"));
  42
  43         wprintf("You can upload any image directly from your computer,\n");
  44         wprintf("as long as it is in GIF format (JPEG, PNG, etc. won't\n");
  45         wprintf("work).<BR><BR>\n");
  46
  47         wprintf("Please select a file to upload:<BR>\n");
  48         wprintf("<INPUT TYPE=\"FILE\" NAME=\"filename\" SIZE=\"35\">\n");
  49         wprintf("<BR>");
  50         wprintf("<INPUT TYPE=\"SUBMIT\" VALUE=\"Upload\">\n");
  51         wprintf("<INPUT TYPE=\"RESET\" VALUE=\"Reset Form\">\n");
  52         wprintf("</FORM>\n");
  53         wprintf("<A HREF=\"/display_main_menu\">Cancel</A>\n");
  54         wprintf("</CENTER>\n");
  55         wDumpContent(1);
  56 }
  57
  58 void do_graphics_upload(char *upl_cmd)
  59 {
  60         char buf[SIZ];
  61         int bytes_remaining;
  62         int pos = 0;
  63         int thisblock;
  64
  65         if (WC->upload_length == 0) {
  66                 display_error("You didn't upload a file.\n");
  67                 return;
  68         }
  69         serv_puts(upl_cmd);
  70         serv_gets(buf);
  71         if (buf[0] != '2') {
  72                 display_error(&buf[4]);
  73                 return;
  74         }
  75         bytes_remaining = WC->upload_length;
  76         while (bytes_remaining) {
  77                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
  78                 serv_printf("WRIT %d", thisblock);
  79                 serv_gets(buf);
  80                 if (buf[0] != '7') {
  81                         display_error(&buf[4]);
  82                         serv_puts("UCLS 0");
  83                         serv_gets(buf);
  84                         return;
  85                 }
  86                 thisblock = extract_int(&buf[4], 0);
  87                 serv_write(&WC->upload[pos], thisblock);
  88                 pos = pos + thisblock;
  89                 bytes_remaining = bytes_remaining - thisblock;
  90         }
  91
  92         serv_puts("UCLS 1");
  93         serv_gets(buf);
  94         if (buf[0] != 'x') {
  95                 display_success(&buf[4]);
  96                 return;
  97         }
  98 }