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Diff for /embedaddon/libnet/src/libnet_build_igmp.c between versions 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2012/02/21 22:14:23 version 1.1.1.2, 2013/07/22 11:54:42
Line 40 Line 40
 #endif  #endif
   
 libnet_ptag_t  libnet_ptag_t
libnet_build_igmp(u_int8_t type, u_int8_t code, u_int16_t sum, u_int32_t ip,libnet_build_igmp(uint8_t type, uint8_t reserved, uint16_t sum, uint32_t ip,
u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)const uint8_t *payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
 {  {
    u_int32_t n, h;    uint32_t n, h;
     libnet_pblock_t *p;      libnet_pblock_t *p;
     struct libnet_igmp_hdr igmp_hdr;      struct libnet_igmp_hdr igmp_hdr;
   
Line 66  u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l Line 66  u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
     }      }
   
     memset(&igmp_hdr, 0, sizeof(igmp_hdr));      memset(&igmp_hdr, 0, sizeof(igmp_hdr));
    igmp_hdr.igmp_type         = type;    /* packet type */    igmp_hdr.igmp_type         = type;
    igmp_hdr.igmp_code         = code;    /* packet code */    igmp_hdr.igmp_code         = reserved;
    igmp_hdr.igmp_sum          = (sum ? htons(sum) : 0);  /* packet checksum */    igmp_hdr.igmp_sum          = (sum ? htons(sum) : 0);
    igmp_hdr.igmp_group.s_addr = htonl(ip);    igmp_hdr.igmp_group.s_addr = ip;
   
    n = libnet_pblock_append(l, p, (u_int8_t *)&igmp_hdr, LIBNET_IGMP_H);    n = libnet_pblock_append(l, p, (uint8_t *)&igmp_hdr, LIBNET_IGMP_H);
     if (n == -1)      if (n == -1)
     {      {
         goto bad;          goto bad;
     }      }
   
    if ((payload && !payload_s) || (!payload && payload_s))    /* boilerplate payload sanity check / append macro */
    {    LIBNET_DO_PAYLOAD(l, p);
         snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, 
                             "%s(): payload inconsistency\n", __func__); 
        goto bad; 
    } 
   
     if (payload && payload_s)  
     {  
         n = libnet_pblock_append(l, p, payload, payload_s);  
         if (n == -1)  
         {  
             goto bad;  
         }  
     }  
     if (sum == 0)      if (sum == 0)
     {      {
         /*          /*
Line 101  u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l Line 89  u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
          */           */
         libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);          libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);
     }      }
   
   
     return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_IGMP_H));      return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_IGMP_H));
 bad:  bad:
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.2

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