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Diff for /embedaddon/dnsmasq/src/tftp.c between versions 1.1.1.2 and 1.1.1.3

version 1.1.1.2, 2014/06/15 16:31:38 version 1.1.1.3, 2016/11/02 09:57:01
Line 1 Line 1
/* dnsmasq is Copyright (c) 2000-2014 Simon Kelley/* dnsmasq is Copyright (c) 2000-2016 Simon Kelley
   
    This program is free software; you can redistribute it and/or modify     This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by     it under the terms of the GNU General Public License as published by
Line 103  void tftp_request(struct listener *listen, time_t now) Line 103  void tftp_request(struct listener *listen, time_t now)
       if (listen->iface)        if (listen->iface)
         {          {
           addr = listen->iface->addr;            addr = listen->iface->addr;
           mtu = listen->iface->mtu;  
           name = listen->iface->name;            name = listen->iface->name;
             mtu = listen->iface->mtu;
             if (daemon->tftp_mtu != 0 && daemon->tftp_mtu < mtu)
               mtu = daemon->tftp_mtu;
         }          }
       else        else
         {          {
Line 234  void tftp_request(struct listener *listen, time_t now) Line 236  void tftp_request(struct listener *listen, time_t now)
   
       strncpy(ifr.ifr_name, name, IF_NAMESIZE);        strncpy(ifr.ifr_name, name, IF_NAMESIZE);
       if (ioctl(listen->tftpfd, SIOCGIFMTU, &ifr) != -1)        if (ioctl(listen->tftpfd, SIOCGIFMTU, &ifr) != -1)
        mtu = ifr.ifr_mtu;              {
           mtu = ifr.ifr_mtu;  
           if (daemon->tftp_mtu != 0 && daemon->tftp_mtu < mtu)
             mtu = daemon->tftp_mtu;    
         }
     }      }
  
   /* Failed to get interface mtu - can use configured value. */
   if (mtu == 0)
     mtu = daemon->tftp_mtu;
 
   if (name)    if (name)
     {      {
       /* check for per-interface prefix */         /* check for per-interface prefix */ 
Line 336  void tftp_request(struct listener *listen, time_t now) Line 346  void tftp_request(struct listener *listen, time_t now)
             {              {
               if ((opt = next(&p, end)) && !option_bool(OPT_TFTP_NOBLOCK))                if ((opt = next(&p, end)) && !option_bool(OPT_TFTP_NOBLOCK))
                 {                  {
                     /* 32 bytes for IP, UDP and TFTP headers, 52 bytes for IPv6 */
                     int overhead = (listen->family == AF_INET) ? 32 : 52;
                   transfer->blocksize = atoi(opt);                    transfer->blocksize = atoi(opt);
                   if (transfer->blocksize < 1)                    if (transfer->blocksize < 1)
                     transfer->blocksize = 1;                      transfer->blocksize = 1;
                   if (transfer->blocksize > (unsigned)daemon->packet_buff_sz - 4)                    if (transfer->blocksize > (unsigned)daemon->packet_buff_sz - 4)
                     transfer->blocksize = (unsigned)daemon->packet_buff_sz - 4;                      transfer->blocksize = (unsigned)daemon->packet_buff_sz - 4;
                  /* 32 bytes for IP, UDP and TFTP headers */                  if (mtu != 0 && transfer->blocksize > (unsigned)mtu - overhead)
                  if (mtu != 0 && transfer->blocksize > (unsigned)mtu - 32)                    transfer->blocksize = (unsigned)mtu - overhead;
                    transfer->blocksize = (unsigned)mtu - 32; 
                   transfer->opt_blocksize = 1;                    transfer->opt_blocksize = 1;
                   transfer->block = 0;                    transfer->block = 0;
                 }                  }
Line 502  static struct tftp_file *check_tftp_fileperm(ssize_t * Line 513  static struct tftp_file *check_tftp_fileperm(ssize_t *
   return NULL;    return NULL;
 }  }
   
void check_tftp_listeners(fd_set *rset, time_t now)void check_tftp_listeners(time_t now)
 {  {
   struct tftp_transfer *transfer, *tmp, **up;    struct tftp_transfer *transfer, *tmp, **up;
   ssize_t len;    ssize_t len;
Line 518  void check_tftp_listeners(fd_set *rset, time_t now) Line 529  void check_tftp_listeners(fd_set *rset, time_t now)
               
       prettyprint_addr(&transfer->peer, daemon->addrbuff);        prettyprint_addr(&transfer->peer, daemon->addrbuff);
             
      if (FD_ISSET(transfer->sockfd, rset))      if (poll_check(transfer->sockfd, POLLIN))
         {          {
           /* we overwrote the buffer... */            /* we overwrote the buffer... */
           daemon->srv_save = NULL;            daemon->srv_save = NULL;
Removed from v.1.1.1.2  
changed lines
  Added in v.1.1.1.3

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