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Old 10-08-2005, 07:52 AM   #1
fpfernando
LQ Newbie
 
Registered: Oct 2005
Distribution: RH 9
Posts: 24

Rep: Reputation: 15
Code Conversion Help Needed

here i have inserted a code for BSD ..


wot it does is.........it helps in running Raw sockets with user permissions.....



Code:
                                                                                                                             
#include <linux/param.h>
#include <linux/in_systm.h>
#include <net/addrconf.h>
#include<linux/zconf.h>
#include<linux/autoconf.h>
#include <sys/exec.h>
#include <sys/lkm.h>
#include <sys/protosw.h>
                                                                                                                             
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#define IPSEC
int     nopriv_rip_usrreq       __P((register struct socket *, int,
                                     struct mbuf *, struct mbuf *,
                                     struct mbuf *));
                                                                                                                             
extern int      rip_usrreq      __P((register struct socket *, int,
                                     struct mbuf *, struct mbuf *,
                                     struct mbuf *));
                                                                                                                             
extern struct protosw inetsw[];
extern u_char ip_protox[];
extern u_long rip_sendspace, rip_recvspace;
extern struct inpcbtable rawcbtable;
                                                                                                                             
MOD_MISC("SRaw");
                                                                                                                             
static int
SRaw_load(struct lkm_table *lkmtp, int cmd)
{
        if(cmd == LKM_E_LOAD) {
                                                                                                                             
                int s;
                                                                                                                             
                printf("SRaw - 0.1 beta\n");
                printf("sOftPj - Y2k\n");
                                                                                                                             
                /*
                 * You can also add other protocols... with rip_usrreq or
                 * chage other pr_usrreq
                 */
                                                                                                                             
                s = splnet();
                                                                                                                             
                inetsw[ip_protox[IPPROTO_RAW]].pr_usrreq = nopriv_rip_usrreq;
                inetsw[ip_protox[IPPROTO_ICMP]].pr_usrreq = nopriv_rip_usrreq;
                inetsw[ip_protox[IPPROTO_IPV4]].pr_usrreq = nopriv_rip_usrreq;
                inetsw[ip_protox[IPPROTO_IPIP]].pr_usrreq = nopriv_rip_usrreq;
                inetsw[ip_protox[IPPROTO_IGMP]].pr_usrreq = nopriv_rip_usrreq;
                                                                                                                             
                splx(s);
        }
                                                                                                                             
        return 0;
}
                                                                                                                             
                                                                                                                             
static int
SRaw_unload(struct lkm_table *lkmtp, int cmd)
{
        if(cmd == LKM_E_UNLOAD) {
                int s;
                                                                                                                             
                printf("SRaw - Unloaded\n");
                                                                                                                             
                s = splnet();
                                                                                                                             
                inetsw[ip_protox[IPPROTO_RAW]].pr_usrreq = rip_usrreq;
                inetsw[ip_protox[IPPROTO_ICMP]].pr_usrreq = rip_usrreq;
                inetsw[ip_protox[IPPROTO_IPV4]].pr_usrreq = rip_usrreq;
                inetsw[ip_protox[IPPROTO_IPIP]].pr_usrreq = rip_usrreq;
                inetsw[ip_protox[IPPROTO_IGMP]].pr_usrreq = rip_usrreq;
                                                                                                                             
                splx(s);
        }
                                                                                                                             
        return 0;
}
                                                                                                                             
                                                                                                                             
SRaw( lkmtp, cmd, ver)
struct lkm_table        *lkmtp;
int                     cmd;
int                     ver;
{
        DISPATCH(lkmtp, cmd, ver, SRaw_load, SRaw_unload, lkm_nofunc);
}
                                                                                                                             
                                                                                                                             
int
nopriv_rip_usrreq(so, req, m, nam, control)
   register struct socket *so;
        int req;
        struct mbuf *m, *nam, *control;
{
        register int error = 0;
        register struct inpcb *inp = sotoinpcb(so);
#ifdef MROUTING
        extern struct socket *ip_mrouter;
#endif
        if (req == PRU_CONTROL)
                return (in_control(so, (u_long)m, (caddr_t)nam,
                        (struct ifnet *)control));
                                                                                                                             
        if (inp == NULL && req != PRU_ATTACH) {
                error = EINVAL;
                goto release;
        }
                                                                                                                             
        switch (req) {
                                                                                                                             
        case PRU_ATTACH:
                if (inp)
                        panic("rip_attach");
                /*
                 * if ((so->so_state & SS_PRIV) == 0) {
                 *      error = EACCES;
                 *      break;
                 * }
                 */
                                                                                                                             
                if((so->so_state & SS_PRIV) == 0)
                        so->so_state |= SS_PRIV;
                if ((error = soreserve(so, rip_sendspace, rip_recvspace)) ||
                    (error = in_pcballoc(so, &rawcbtable)))
                        break;
                inp = (struct inpcb *)so->so_pcb;
                inp->inp_ip.ip_p = (long)nam;
                break;
                                                                                                                             
        case PRU_DISCONNECT:
                if ((so->so_state & SS_ISCONNECTED) == 0) {
                        error = ENOTCONN;
                        break;
                }
                /* FALLTHROUGH */
        case PRU_ABORT:
                soisdisconnected(so);
                /* FALLTHROUGH */
        case PRU_DETACH:
                if (inp == 0)
                        panic("rip_detach");
#ifdef MROUTING
                if (so == ip_mrouter)
                        ip_mrouter_done();
#endif
                in_pcbdetach(inp);
                break;
                                                                                                                             
        case PRU_BIND:
            {
                struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
                                                                                                                             
                if (nam->m_len != sizeof(*addr)) {
                        error = EINVAL;
                        break;
                }
                if ((ifnet.tqh_first == 0) ||
                    ((addr->sin_family != AF_INET) &&
                     (addr->sin_family != AF_IMPLINK)) ||
                    (addr->sin_addr.s_addr &&
                     ifa_ifwithaddr(sintosa(addr)) == 0)) {
                        error = EADDRNOTAVAIL;
                        break;
                }
                inp->inp_laddr = addr->sin_addr;
                break;
            }
        case PRU_CONNECT:
            {
                struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
                                                                                                                             
                if (nam->m_len != sizeof(*addr)) {
                        error = EINVAL;
                        break;
                }
                if (ifnet.tqh_first == 0) {
                        error = EADDRNOTAVAIL;
                        break;
                }
                if ((addr->sin_family != AF_INET) &&
                     (addr->sin_family != AF_IMPLINK)) {
                        error = EAFNOSUPPORT;
                        break;
                }
                inp->inp_faddr = addr->sin_addr;
                soisconnected(so);
                break;
            }
      case PRU_CONNECT2:
                error = EOPNOTSUPP;
                break;
                                                                                                                             
        /*
         * Mark the connection as being incapable of further input.
         */
        case PRU_SHUTDOWN:
                socantsendmore(so);
                break;
                                                                                                                             
        /*
         * Ship a packet out.  The appropriate raw output
         * routine handles any massaging necessary.
         */
        case PRU_SEND:
            {
                register u_int32_t dst;
                                                                                                                             
                if (so->so_state & SS_ISCONNECTED) {
                        if (nam) {
                                error = EISCONN;
                                break;
                        }
                        dst = inp->inp_faddr.s_addr;
                } else {
                        if (nam == NULL) {
                                error = ENOTCONN;
                                break;
                        }
                        dst = mtod(nam, struct sockaddr_in *)->sin_addr.s_addr;
                }
#ifdef IPSEC
                if (!(error = check_ipsec_policy(inp, dst)))
#endif
                error = rip_output(m, so, dst);
                m = NULL;
                break;
            }
                                                                                                                             
        case PRU_SENSE:
                /*
                 * stat: don't bother with a blocksize.
                 */
                return (0);
                                                                                                                             
        /*
         * Not supported.
         */
        //case PRU_RCVOOB:
        //case PRU_RCVD:
        //case PRU_LISTEN:
        //case PRU_ACCEPT:
        case PRU_SENDOOB:
                error = EOPNOTSUPP;
                break;
                                                                                                                             
        case PRU_SOCKADDR:
                in_setsockaddr(inp, nam);
                break;
                                                                                                                             
        case PRU_PEERADDR:
                in_setpeeraddr(inp, nam);
                break;
                                                                                                                             
        default:
                panic("rip_usrreq");
             panic("rip_usrreq");
        }
release:
        if (m != NULL)
                m_freem(m);
        return (error);
}
can u help me out please............

i want a similar code which would run in RH linux 9
 
Old 10-09-2005, 11:02 PM   #2
nadroj
Senior Member
 
Registered: Jan 2005
Location: Canada
Distribution: ubuntu
Posts: 2,539

Rep: Reputation: 60
im definetly not going to read all the code, but..
where did you get it? IS there a linux version?
c++ should work and compile on any OS/distro. try it, what are the errors?
 
Old 10-09-2005, 11:36 PM   #3
fpfernando
LQ Newbie
 
Registered: Oct 2005
Distribution: RH 9
Posts: 24

Original Poster
Rep: Reputation: 15
when i complie these ae the errors i get.................
do u have any idea how to solve it

cc -D_KERNEL -I/sys -c -o obsd_sraw.o obsd_sraw.c
In file included from obsd_sraw.c:25:
/usr/include/linux/in_systm.h:28: parse error before "n_short"
/usr/include/linux/in_systm.h:29: parse error before "n_long"
/usr/include/linux/in_systm.h:30: parse error before "n_time"
obsd_sraw.c:26:26: net/addrconf.h: No such file or directory
obsd_sraw.c:27:24: linux/zconf.h: No such file or directory
In file included from obsd_sraw.c:28:
/usr/include/linux/autoconf.h:1:2: #error Invalid kernel header included in userspace
obsd_sraw.c:29:22: sys/exec.h: No such file or directory
obsd_sraw.c:30:21: sys/lkm.h: No such file or directory
obsd_sraw.c:31:25: sys/protosw.h: No such file or directory
obsd_sraw.c:33:22: sys/mbuf.h: No such file or directory
In file included from obsd_sraw.c:39:
/usr/include/netinet/in_systm.h:35: `n_short' redeclared as different kind of symbol
/usr/include/linux/in_systm.h:28: previous declaration of `n_short'
/usr/include/netinet/in_systm.h:36: `n_long' redeclared as different kind of symbol
/usr/include/linux/in_systm.h:29: previous declaration of `n_long'
/usr/include/netinet/in_systm.h:37: `n_time' redeclared as different kind of symbol
/usr/include/linux/in_systm.h:30: previous declaration of `n_time'
obsd_sraw.c:41:28: netinet/in_pcb.h: No such file or directory
obsd_sraw.c:45: warning: `struct mbuf' declared inside parameter list
obsd_sraw.c:45: warning: its scope is only this definition or declaration, which is probably not what you want
obsd_sraw.c:45: warning: `struct socket' declared inside parameter list
obsd_sraw.c:49: warning: `struct mbuf' declared inside parameter list
obsd_sraw.c:49: warning: `struct socket' declared inside parameter list
obsd_sraw.c:56: parse error before string constant
obsd_sraw.c:56: warning: data definition has no type or storage class
obsd_sraw.c:59: warning: `struct lkm_table' declared inside parameter list
obsd_sraw.c: In function `SRaw_load':
obsd_sraw.c:61: `LKM_E_LOAD' undeclared (first use in this function)
obsd_sraw.c:61: (Each undeclared identifier is reported only once
obsd_sraw.c:61: for each function it appears in.)
obsd_sraw.c:75: invalid use of undefined type `struct protosw'
obsd_sraw.c:76: invalid use of undefined type `struct protosw'
obsd_sraw.c:77: `IPPROTO_IPV4' undeclared (first use in this function)
obsd_sraw.c:78: invalid use of undefined type `struct protosw'
obsd_sraw.c:79: invalid use of undefined type `struct protosw'
obsd_sraw.c: At top level:
obsd_sraw.c:89: warning: `struct lkm_table' declared inside parameter list
obsd_sraw.c: In function `SRaw_unload':
obsd_sraw.c:91: `LKM_E_UNLOAD' undeclared (first use in this function)
obsd_sraw.c:98: invalid use of undefined type `struct protosw'
obsd_sraw.c:99: invalid use of undefined type `struct protosw'
obsd_sraw.c:100: `IPPROTO_IPV4' undeclared (first use in this function)
obsd_sraw.c:101: invalid use of undefined type `struct protosw'
obsd_sraw.c:102: invalid use of undefined type `struct protosw'
obsd_sraw.c: In function `SRaw':
obsd_sraw.c:116: `lkm_nofunc' undeclared (first use in this function)
obsd_sraw.c: In function `nopriv_rip_usrreq':
obsd_sraw.c:125: argument `so' doesn't match prototype
obsd_sraw.c:45: prototype declaration
obsd_sraw.c:125: argument `m' doesn't match prototype
obsd_sraw.c:45: prototype declaration
obsd_sraw.c:125: argument `nam' doesn't match prototype
obsd_sraw.c:45: prototype declaration
obsd_sraw.c:125: argument `control' doesn't match prototype
obsd_sraw.c:45: prototype declaration
obsd_sraw.c:127: warning: initialization makes pointer from integer without a cast
obsd_sraw.c:131: `PRU_CONTROL' undeclared (first use in this function)
obsd_sraw.c:135: `PRU_ATTACH' undeclared (first use in this function)
obsd_sraw.c:136: `EINVAL' undeclared (first use in this function)
obsd_sraw.c:152: dereferencing pointer to incomplete type
obsd_sraw.c:152: `SS_PRIV' undeclared (first use in this function)
obsd_sraw.c:153: dereferencing pointer to incomplete type
obsd_sraw.c:159: dereferencing pointer to incomplete type
obsd_sraw.c:160: dereferencing pointer to incomplete type
obsd_sraw.c:163: `PRU_DISCONNECT' undeclared (first use in this function)
obsd_sraw.c:164: dereferencing pointer to incomplete type
obsd_sraw.c:164: `SS_ISCONNECTED' undeclared (first use in this function)
obsd_sraw.c:165: `ENOTCONN' undeclared (first use in this function)
obsd_sraw.c:169: `PRU_ABORT' undeclared (first use in this function)
obsd_sraw.c:172: `PRU_DETACH' undeclared (first use in this function)
obsd_sraw.c:182: `PRU_BIND' undeclared (first use in this function)
obsd_sraw.c:184: parse error before "struct"
obsd_sraw.c:186: dereferencing pointer to incomplete type
obsd_sraw.c:190: `ifnet' undeclared (first use in this function)
obsd_sraw.c:192: `AF_IMPLINK' undeclared (first use in this function)
obsd_sraw.c:195: `EADDRNOTAVAIL' undeclared (first use in this function)
obsd_sraw.c:198: dereferencing pointer to incomplete type
obsd_sraw.c:201: `PRU_CONNECT' undeclared (first use in this function)
obsd_sraw.c:203: parse error before "struct"
obsd_sraw.c:205: dereferencing pointer to incomplete type
obsd_sraw.c:215: `EAFNOSUPPORT' undeclared (first use in this function)
obsd_sraw.c:218: dereferencing pointer to incomplete type
obsd_sraw.c:223: `PRU_CONNECT2' undeclared (first use in this function)
obsd_sraw.c:224: `EOPNOTSUPP' undeclared (first use in this function)
obsd_sraw.c:230: `PRU_SHUTDOWN' undeclared (first use in this function)
obsd_sraw.c:238: `PRU_SEND' undeclared (first use in this function)
obsd_sraw.c:242: dereferencing pointer to incomplete type
obsd_sraw.c:244: `EISCONN' undeclared (first use in this function)
obsd_sraw.c:247: dereferencing pointer to incomplete type
obsd_sraw.c:253: parse error before "struct"
obsd_sraw.c:263: `PRU_SENSE' undeclared (first use in this function)
obsd_sraw.c:276: `PRU_SENDOOB' undeclared (first use in this function)
obsd_sraw.c:280: `PRU_SOCKADDR' undeclared (first use in this function)
obsd_sraw.c:284: `PRU_PEERADDR' undeclared (first use in this function)
make: *** [obsd_sraw.o] Error 1
 
  


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