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Diff for /embedaddon/libnet/src/libnet_build_isl.c between versions 1.1 and 1.1.1.3

version 1.1, 2012/02/21 22:14:23 version 1.1.1.3, 2023/09/27 11:11:38
Line 30 Line 30
  *   *
  */   */
   
#if (HAVE_CONFIG_H)#include "common.h"
#include "../include/config.h" 
#endif 
#if (!(_WIN32) || (__CYGWIN__))  
#include "../include/libnet.h" 
#else 
#include "../include/win32/libnet.h" 
#endif 
   
 libnet_ptag_t  libnet_ptag_t
libnet_build_isl(u_int8_t *dhost, u_int8_t type, u_int8_t user, u_int8_t *shost,libnet_build_isl(uint8_t *dhost, uint8_t type, uint8_t user,
            u_int16_t len, u_int8_t *snap, u_int16_t vid, u_int16_t index,uint8_t *shost, uint16_t len, const uint8_t *snap, uint16_t vid,
            u_int16_t reserved, u_int8_t *payload, u_int32_t payload_s,uint16_t portindex, uint16_t reserved, const uint8_t *payload,
            libnet_t *l, libnet_ptag_t ptag)uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
 {  {
    u_int32_t n, h;    uint32_t n;
     libnet_pblock_t *p;      libnet_pblock_t *p;
     struct libnet_isl_hdr isl_hdr;      struct libnet_isl_hdr isl_hdr;
   
Line 55  libnet_build_isl(u_int8_t *dhost, u_int8_t type, u_int Line 48  libnet_build_isl(u_int8_t *dhost, u_int8_t type, u_int
     }      }
   
     n = LIBNET_ISL_H + payload_s;           /* size of memory block */      n = LIBNET_ISL_H + payload_s;           /* size of memory block */
     h = 0;  
   
     /*      /*
      *  Find the existing protocol block if a ptag is specified, or create       *  Find the existing protocol block if a ptag is specified, or create
Line 67  libnet_build_isl(u_int8_t *dhost, u_int8_t type, u_int Line 59  libnet_build_isl(u_int8_t *dhost, u_int8_t type, u_int
         return (-1);          return (-1);
     }      }
   
        memset(&isl_hdr, 0, sizeof(isl_hdr));    memset(&isl_hdr, 0, sizeof (isl_hdr));
        memcpy(&isl_hdr.isl_dhost, dhost, 5);    memcpy(&isl_hdr.isl_dhost, dhost, sizeof(isl_hdr.isl_dhost));
     isl_hdr.isl_type    = type;      isl_hdr.isl_type    = type;
     isl_hdr.isl_user    = user;      isl_hdr.isl_user    = user;
    memcpy(&isl_hdr.isl_shost, shost, 6);    memcpy(&isl_hdr.isl_shost, shost, sizeof(isl_hdr.isl_shost));
     isl_hdr.isl_len     = htons(len);      isl_hdr.isl_len     = htons(len);
    memcpy(&isl_hdr.isl_dhost, snap, 6);    memcpy(&isl_hdr.isl_snap, snap, sizeof(isl_hdr.isl_snap));
     isl_hdr.isl_vid     = htons(vid);      isl_hdr.isl_vid     = htons(vid);
    isl_hdr.isl_index   = htons(index);    isl_hdr.isl_index   = htons(portindex);
     isl_hdr.isl_reserved= htons(reserved);      isl_hdr.isl_reserved= htons(reserved);
   
    n = libnet_pblock_append(l, p, (u_int8_t *)&isl_hdr, LIBNET_ISL_H);    n = libnet_pblock_append(l, p, (uint8_t *)&isl_hdr, LIBNET_ISL_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;  
         }  
     }  
   
     /* we need to compute the CRC for the ethernet frame and the ISL frame */      /* we need to compute the CRC for the ethernet frame and the ISL frame */
     libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);      libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);
     return (ptag ? ptag : libnet_pblock_update(l, p, LIBNET_ISL_H,      return (ptag ? ptag : libnet_pblock_update(l, p, LIBNET_ISL_H,
Line 109  bad: Line 88  bad:
     return (-1);      return (-1);
 }  }
   
/**
/* EOF */ * Local Variables:
  *  indent-tabs-mode: nil
  *  c-file-style: "stroustrup"
  * End:
  */
Removed from v.1.1  
changed lines
  Added in v.1.1.1.3

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