webcit/graphics.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles HTTP upload of graphics files into the system.
   5  */
   6
   7 #include <ctype.h>
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <fcntl.h>
  12 #include <signal.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <sys/socket.h>
  16 #include <sys/time.h>
  17 #include <limits.h>
  18 #include <netinet/in.h>
  19 #include <netdb.h>
  20 #include <string.h>
  21 #include <pwd.h>
  22 #include <errno.h>
  23 #include <stdarg.h>
  24 #include <pthread.h>
  25 #include <signal.h>
  26 #include "webcit.h"
  27
  28 void display_graphics_upload(char *description, char *check_cmd, char *uplurl)
  29 {
  30         char buf[SIZ];
  31
  32         serv_puts(check_cmd);
  33         serv_gets(buf);
  34         if (buf[0] != '2') {
  35                 strcpy(WC->ImportantMessage, &buf[4]);
  36                 display_main_menu();
  37                 return;
  38         }
  39         output_headers(1, 1, 0, 0, 0, 0, 0);
  40
  41         svprintf("BOXTITLE", WCS_STRING, "Set/change your photo");
  42         do_template("beginbox");
  43
  44         wprintf("<CENTER>\n");
  45
  46         wprintf("<FORM ENCTYPE=\"multipart/form-data\" ACTION=\"%s\" "
  47                 "METHOD=\"POST\" NAME=\"graphicsupload\">\n", uplurl);
  48
  49         wprintf("<INPUT TYPE=\"hidden\" NAME=\"which_room\" VALUE=\"");
  50         urlescputs(bstr("which_room"));
  51         wprintf("\">\n");
  52
  53         wprintf("You can upload any image directly from your computer,\n");
  54         wprintf("as long as it is in GIF format (JPEG, PNG, etc. won't\n");
  55         wprintf("work).<br /><br />\n");
  56
  57         wprintf("Please select a file to upload:<br /><br />\n");
  58         wprintf("<INPUT TYPE=\"FILE\" NAME=\"filename\" SIZE=\"35\">\n");
  59         wprintf("<br /><br />");
  60         wprintf("<INPUT TYPE=\"SUBMIT\" NAME=\"sc\" VALUE=\"Upload\">\n");
  61         wprintf("&nbsp;");
  62         wprintf("<INPUT TYPE=\"RESET\" VALUE=\"Reset Form\">\n");
  63         wprintf("&nbsp;");
  64         wprintf("<INPUT TYPE=\"SUBMIT\" NAME=\"sc\" VALUE=\"Cancel\">\n");
  65         wprintf("</FORM>\n");
  66         wprintf("</CENTER>\n");
  67         do_template("endbox");
  68         wDumpContent(1);
  69 }
  70
  71 void do_graphics_upload(char *upl_cmd)
  72 {
  73         char buf[SIZ];
  74         int bytes_remaining;
  75         int pos = 0;
  76         int thisblock;
  77
  78         if (!strcasecmp(bstr("sc"), "Cancel")) {
  79                 strcpy(WC->ImportantMessage,
  80                         "Graphics upload cancelled.");
  81                 display_main_menu();
  82                 return;
  83         }
  84
  85         if (WC->upload_length == 0) {
  86                 strcpy(WC->ImportantMessage,
  87                         "You didn't upload a file.");
  88                 display_main_menu();
  89                 return;
  90         }
  91         serv_puts(upl_cmd);
  92         serv_gets(buf);
  93         if (buf[0] != '2') {
  94                 strcpy(WC->ImportantMessage, &buf[4]);
  95                 display_main_menu();
  96                 return;
  97         }
  98         bytes_remaining = WC->upload_length;
  99         while (bytes_remaining) {
 100                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 101                 serv_printf("WRIT %d", thisblock);
 102                 serv_gets(buf);
 103                 if (buf[0] != '7') {
 104                         strcpy(WC->ImportantMessage, &buf[4]);
 105                         serv_puts("UCLS 0");
 106                         serv_gets(buf);
 107                         display_main_menu();
 108                         return;
 109                 }
 110                 thisblock = extract_int(&buf[4], 0);
 111                 serv_write(&WC->upload[pos], thisblock);
 112                 pos = pos + thisblock;
 113                 bytes_remaining = bytes_remaining - thisblock;
 114         }
 115
 116         serv_puts("UCLS 1");
 117         serv_gets(buf);
 118         if (buf[0] != 'x') {
 119                 display_success(&buf[4]);
 120                 return;
 121         }
 122 }