add mtr (thanks to Thomas Reifferscheid)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2050 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 511 insertions, 0 deletions

diff --git a/package/mtr/patches/501-dns.patch b/package/mtr/patches/501-dns.patch
new file mode 100644
index 0000000000..f1c915580d
--- /dev/null
+++ b/package/mtr/patches/501-dns.patch
@@ -0,0 +1,511 @@
+diff -Naur mtr-0.69.old/dns.c mtr-0.69.new/dns.c
+--- mtr-0.69.old/dns.c	2005-01-11 09:32:42.000000000 +0100
++++ mtr-0.69.new/dns.c	2005-10-03 21:31:27.000000000 +0200
+@@ -853,6 +853,507 @@
+   fputs("\r",stderr);
+ }
+ 
++#ifdef __UCLIBC__
++
++static const char       digits[] = "0123456789";
++#define __set_errno(e) (errno = (e))
++
++#define NS_PUT16(s, cp) do { \
++        register u_int16_t t_s = (u_int16_t)(s); \
++        register u_char *t_cp = (u_char *)(cp); \
++        *t_cp++ = t_s >> 8; \
++        *t_cp   = t_s; \
++        (cp) += NS_INT16SZ; \
++} while (0)
++
++
++
++#define NS_PUT32(l, cp) do { \
++        register u_int32_t t_l = (u_int32_t)(l); \
++        register u_char *t_cp = (u_char *)(cp); \
++        *t_cp++ = t_l >> 24; \
++        *t_cp++ = t_l >> 16; \
++        *t_cp++ = t_l >> 8; \
++        *t_cp   = t_l; \
++        (cp) += NS_INT32SZ; \
++} while (0)
++
++
++void
++ns_put16(u_int src, u_char *dst) {
++        NS_PUT16(src, dst);
++}
++
++void
++ns_put32(u_long src, u_char *dst) {
++        NS_PUT32(src, dst);
++}
++
++void __putshort(u_int16_t src, u_char *dst) { ns_put16(src, dst); }
++void __putlong(u_int32_t src, u_char *dst) { ns_put32(src, dst); }
++
++int
++mklower(int ch) {
++        if (ch >= 0x41 && ch <= 0x5A)
++                return (ch + 0x20);
++        return (ch);
++}
++
++
++static int
++dn_find(const u_char *domain, const u_char *msg,
++        const u_char * const *dnptrs,
++        const u_char * const *lastdnptr)
++{
++        const u_char *dn, *cp, *sp;
++        const u_char * const *cpp;
++        u_int n;
++
++        for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
++                sp = *cpp;
++                /*
++                 * terminate search on:
++                 * root label
++                 * compression pointer
++                 * unusable offset
++                 */
++                while (*sp != 0 && (*sp & NS_CMPRSFLGS) == 0 &&
++                       (sp - msg) < 0x4000) {
++                        dn = domain;
++                        cp = sp;
++                        while ((n = *cp++) != 0) {
++                                /*
++                                 * check for indirection
++                                 */
++                                switch (n & NS_CMPRSFLGS) {
++                                case 0:         /* normal case, n == len */
++                                        if (n != *dn++)
++                                                goto next;
++                                        for ((void)NULL; n > 0; n--)
++                                                if (mklower(*dn++) !=
++                                                    mklower(*cp++))
++                                                        goto next;
++                                        /* Is next root for both ? */
++                                        if (*dn == '\0' && *cp == '\0')
++                                                return (sp - msg);
++                                        if (*dn)
++                                                continue;
++                                        goto next;
++
++                                case NS_CMPRSFLGS:      /* indirection */
++                                        cp = msg + (((n & 0x3f) << 8) | *cp);
++                                        break;
++
++                                default:        /* illegal type */
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                        }
++ next:
++                        sp += *sp + 1;
++                }
++        }
++        __set_errno (ENOENT);
++        return (-1);
++}
++
++
++int
++ns_name_pack(const u_char *src, u_char *dst, int dstsiz,
++             const u_char **dnptrs, const u_char **lastdnptr)
++{
++        u_char *dstp;
++        const u_char **cpp, **lpp, *eob, *msg;
++        const u_char *srcp;
++        int n, l, first = 1;
++
++        srcp = src;
++        dstp = dst;
++        eob = dstp + dstsiz;
++        lpp = cpp = NULL;
++        if (dnptrs != NULL) {
++                if ((msg = *dnptrs++) != NULL) {
++                        for (cpp = dnptrs; *cpp != NULL; cpp++)
++                                (void)NULL;
++                        lpp = cpp;      /* end of list to search */
++                }
++        } else
++                msg = NULL;
++
++        /* make sure the domain we are about to add is legal */
++        l = 0;
++        do {
++                n = *srcp;
++                if ((n & NS_CMPRSFLGS) != 0 && n != 0x41) {
++                        __set_errno (EMSGSIZE);
++                        return (-1);
++                }
++                if (n == 0x41)
++                        n = *++srcp / 8;
++                l += n + 1;
++                if (l > MAXCDNAME) {
++                        __set_errno (EMSGSIZE);
++                        return (-1);
++                }
++                srcp += n + 1;
++        } while (n != 0);
++
++        /* from here on we need to reset compression pointer array on error */
++        srcp = src;
++        do {
++                /* Look to see if we can use pointers. */
++                n = *srcp;
++                if (n != 0 && n != 0x41 && msg != NULL) {
++                        l = dn_find(srcp, msg, (const u_char * const *)dnptrs,
++                                    (const u_char * const *)lpp);
++                        if (l >= 0) {
++                                if (dstp + 1 >= eob) {
++                                        goto cleanup;
++                                }
++                                *dstp++ = (l >> 8) | NS_CMPRSFLGS;
++                                *dstp++ = l % 256;
++                                return (dstp - dst);
++                        }
++                        /* Not found, save it. */
++                        if (lastdnptr != NULL && cpp < lastdnptr - 1 &&
++                            (dstp - msg) < 0x4000 && first) {
++                                *cpp++ = dstp;
++                                *cpp = NULL;
++                                first = 0;
++                        }
++                }
++                /* copy label to buffer */
++                if ((n & NS_CMPRSFLGS) != 0 && n != 0x41) {             /* Should not happen. */
++                        goto cleanup;
++                }
++                if (n == 0x41) {
++                        n = *++srcp / 8;
++                        if (dstp + 1 >= eob)
++                                goto cleanup;
++                        *dstp++ = 0x41;
++                }
++                if (dstp + 1 + n >= eob) {
++                        goto cleanup;
++                }
++                memcpy(dstp, srcp, n + 1);
++                srcp += n + 1;
++                dstp += n + 1;
++        } while (n != 0);
++
++        if (dstp > eob) {
++cleanup:
++                if (msg != NULL)
++                        *lpp = NULL;
++                __set_errno (EMSGSIZE);
++                return (-1);
++        }
++        return (dstp - dst);
++}
++
++
++int
++ns_name_pton(const char *src, u_char *dst, size_t dstsiz) {
++        u_char *label, *bp, *eom;
++        int c, n, escaped;
++        char *cp;
++
++        escaped = 0;
++        bp = dst;
++        eom = dst + dstsiz;
++        label = bp++;
++
++        while ((c = *src++) != 0) {
++                if (escaped) {
++                        if ((cp = strchr(digits, c)) != NULL) {
++                                n = (cp - digits) * 100;
++                                if ((c = *src++) == 0 ||
++                                    (cp = strchr(digits, c)) == NULL) {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                n += (cp - digits) * 10;
++                                if ((c = *src++) == 0 ||
++                                    (cp = strchr(digits, c)) == NULL) {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                n += (cp - digits);
++                                if (n > 255) {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                c = n;
++                        } else if (c == '[' && label == bp - 1 && *src == 'x') {
++                                /* Theoretically we would have to handle \[o
++                                   as well but we do not since we do not need
++                                   it internally.  */
++                                *label = 0x41;
++                                label = bp++;
++                                ++src;
++                                while (isxdigit (*src)) {
++                                        n = *src > '9' ? *src - 'a' + 10 : *src - '0';
++                                        ++src;
++                                        if (! isxdigit(*src)) {
++                                                __set_errno (EMSGSIZE);
++                                                return (-1);
++                                        }
++                                        n <<= 4;
++                                        n += *src > '9' ? *src - 'a' + 10 : *src - '0';
++                                        if (bp + 1 >= eom) {
++                                                __set_errno (EMSGSIZE);
++                                                return (-1);
++                                        }
++                                        *bp++ = n;
++                                        ++src;
++                                }
++                                *label = (bp - label - 1) * 8;
++                                if (*src++ != ']' || *src++ != '.') {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                escaped = 0;
++                                label = bp++;
++                                if (bp >= eom) {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                continue;
++                        }
++                        escaped = 0;
++                } else if (c == '\\') {
++                        escaped = 1;
++                        continue;
++                } else if (c == '.') {
++                        c = (bp - label - 1);
++                        if ((c & NS_CMPRSFLGS) != 0) {  /* Label too big. */
++                                __set_errno (EMSGSIZE);
++                                return (-1);
++                        }
++                        if (label >= eom) {
++                                __set_errno (EMSGSIZE);
++                                return (-1);
++                        }
++                        *label = c;
++                        /* Fully qualified ? */
++                        if (*src == '\0') {
++                                if (c != 0) {
++                                        if (bp >= eom) {
++                                                __set_errno (EMSGSIZE);
++                                                return (-1);
++                                        }
++                                        *bp++ = '\0';
++                                }
++                                if ((bp - dst) > MAXCDNAME) {
++                                        __set_errno (EMSGSIZE);
++                                        return (-1);
++                                }
++                                return (1);
++                        }
++                        if (c == 0 || *src == '.') {
++                                __set_errno (EMSGSIZE);
++                                return (-1);
++                        }
++                        label = bp++;
++                        continue;
++                }
++                if (bp >= eom) {
++                        __set_errno (EMSGSIZE);
++                        return (-1);
++                }
++                *bp++ = (u_char)c;
++        }
++        c = (bp - label - 1);
++        if ((c & NS_CMPRSFLGS) != 0) {          /* Label too big. */
++                __set_errno (EMSGSIZE);
++                return (-1);
++        }
++        if (label >= eom) {
++                __set_errno (EMSGSIZE);
++                return (-1);
++        }
++        *label = c;
++        if (c != 0) {
++                if (bp >= eom) {
++                        __set_errno (EMSGSIZE);
++                        return (-1);
++                }
++                *bp++ = 0;
++        }
++        if ((bp - dst) > MAXCDNAME) {   /* src too big */
++                __set_errno (EMSGSIZE);
++                return (-1);
++        }
++        return (0);
++}
++
++
++
++int
++ns_name_compress(const char *src, u_char *dst, size_t dstsiz,
++                 const u_char **dnptrs, const u_char **lastdnptr)
++{
++        u_char tmp[NS_MAXCDNAME];
++
++        if (ns_name_pton(src, tmp, sizeof tmp) == -1)
++                return (-1);
++        return (ns_name_pack(tmp, dst, dstsiz, dnptrs, lastdnptr));
++}
++
++
++int
++dn_comp(const char *src, u_char *dst, int dstsiz,
++        u_char **dnptrs, u_char **lastdnptr)
++{
++        return (ns_name_compress(src, dst, (size_t)dstsiz,
++                                 (const u_char **)dnptrs,
++                                 (const u_char **)lastdnptr));
++}
++
++
++
++
++int
++res_nmkquery(res_state statp,
++             int op,                    /* opcode of query */
++             const char *dname,         /* domain name */
++             int class, int type,       /* class and type of query */
++             const u_char *data,        /* resource record data */
++             int datalen,               /* length of data */
++             const u_char *newrr_in,    /* new rr for modify or append */
++             u_char *buf,               /* buffer to put query */
++             int buflen)                /* size of buffer */
++{
++        register HEADER *hp;
++        register u_char *cp;
++        register int n;
++        u_char *dnptrs[20], **dpp, **lastdnptr;
++
++#ifdef DEBUG
++        if (statp->options & RES_DEBUG)
++                printf(";; res_nmkquery(%s, %s, %s, %s)\n",
++                       _res_opcodes[op], dname, p_class(class), p_type(type));
++#endif
++        /*
++         * Initialize header fields.
++         */
++        if ((buf == NULL) || (buflen < HFIXEDSZ))
++                return (-1);
++        memset(buf, 0, HFIXEDSZ);
++        hp = (HEADER *) buf;
++        /* We randomize the IDs every time.  The old code just
++           incremented by one after the initial randomization which
++           still predictable if the application does multiple
++           requests.  */
++#if 0
++        hp->id = htons(++statp->id);
++#else
++        hp->id = htons(statp->id);
++        int randombits;
++        do
++          {
++#ifdef RANDOM_BITS
++            RANDOM_BITS (randombits);
++#else
++            struct timeval tv;
++            gettimeofday (&tv, NULL);
++            randombits = (tv.tv_sec << 8) ^ tv.tv_usec;
++#endif
++          }
++        while ((randombits & 0xffff) == 0);
++        statp->id = (statp->id + randombits) & 0xffff;
++#endif
++        hp->opcode = op;
++        hp->rd = (statp->options & RES_RECURSE) != 0;
++        hp->rcode = NOERROR;
++        cp = buf + HFIXEDSZ;
++        buflen -= HFIXEDSZ;
++        dpp = dnptrs;
++        *dpp++ = buf;
++        *dpp++ = NULL;
++        lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0];
++        /*
++         * perform opcode specific processing
++         */
++        switch (op) {
++        case QUERY:     /*FALLTHROUGH*/
++        case NS_NOTIFY_OP:
++                if ((buflen -= QFIXEDSZ) < 0)
++                        return (-1);
++                if ((n = dn_comp(dname, cp, buflen, dnptrs, lastdnptr)) < 0)
++                        return (-1);
++                cp += n;
++                buflen -= n;
++                __putshort(type, cp);
++                cp += INT16SZ;
++                __putshort(class, cp);
++                cp += INT16SZ;
++                hp->qdcount = htons(1);
++                if (op == QUERY || data == NULL)
++                        break;
++                /*
++                 * Make an additional record for completion domain.
++                 */
++                buflen -= RRFIXEDSZ;
++                n = dn_comp((char *)data, cp, buflen, dnptrs, lastdnptr);
++                if (n < 0)
++                        return (-1);
++                cp += n;
++                buflen -= n;
++                __putshort(T_NULL, cp);
++                cp += INT16SZ;
++                __putshort(class, cp);
++                cp += INT16SZ;
++                __putlong(0, cp);
++                cp += INT32SZ;
++                __putshort(0, cp);
++                cp += INT16SZ;
++                hp->arcount = htons(1);
++                break;
++
++        case IQUERY:
++                /*
++                 * Initialize answer section
++                 */
++                if (buflen < 1 + RRFIXEDSZ + datalen)
++                        return (-1);
++                *cp++ = '\0';   /* no domain name */
++                __putshort(type, cp);
++                cp += INT16SZ;
++                __putshort(class, cp);
++                cp += INT16SZ;
++                __putlong(0, cp);
++                cp += INT32SZ;
++                __putshort(datalen, cp);
++                cp += INT16SZ;
++                if (datalen) {
++                        memcpy(cp, data, datalen);
++                        cp += datalen;
++                }
++                hp->ancount = htons(1);
++                break;
++
++        default:
++                return (-1);
++        }
++        return (cp - buf);
++}
++
++int
++res_mkquery(int op,                     /* opcode of query */
++            const char *dname,          /* domain name */
++            int class, int type,        /* class and type of query */
++            const u_char *data,         /* resource record data */
++            int datalen,                /* length of data */
++            const u_char *newrr_in,     /* new rr for modify or append */
++            u_char *buf,                /* buffer to put query */
++            int buflen)                 /* size of buffer */
++{
++        return (res_nmkquery(&_res, op, dname, class, type,
++                             data, datalen,
++                             newrr_in, buf, buflen));
++}
++
++#endif
+ 
+ void dorequest(char *s,int type,word id)
+ {