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[package] qos-scripts: Rework qos-stat script
[openwrt.git] / package / ppp / patches / 201-mppe_mppc_1.1.patch
diff --git a/package/ppp/patches/201-mppe_mppc_1.1.patch b/package/ppp/patches/201-mppe_mppc_1.1.patch
index 7e09f1a..93312ba 100644 (file)
--- a/package/ppp/patches/201-mppe_mppc_1.1.patch
+++ b/package/ppp/patches/201-mppe_mppc_1.1.patch
@@ -1,6 +1,5 @@
-diff -ruN ppp-2.4.3.orig/include/linux/ppp-comp.h ppp-2.4.3/include/linux/ppp-comp.h
---- ppp-2.4.3.orig/include/linux/ppp-comp.h    2002-12-06 10:49:15.000000000 +0100
-+++ ppp-2.4.3/include/linux/ppp-comp.h 2004-11-21 13:54:09.000000000 +0100
+--- a/include/linux/ppp-comp.h
++++ b/include/linux/ppp-comp.h
 @@ -36,7 +36,7 @@
   */
  
 @@ -36,7 +36,7 @@
   */
  
@@ -10,7 +9,7 @@ diff -ruN ppp-2.4.3.orig/include/linux/ppp-comp.h ppp-2.4.3/include/linux/ppp-co
   *
   *  NOTE TO MAINTAINERS:
   *     If you modify this file at all, please set the above date.
   *
   *  NOTE TO MAINTAINERS:
   *     If you modify this file at all, please set the above date.
-@@ -86,7 +86,7 @@
+@@ -86,7 +86,7 @@ struct compressor {
  
        /* Compress a packet */
        int     (*compress) (void *state, unsigned char *rptr,
  
        /* Compress a packet */
        int     (*compress) (void *state, unsigned char *rptr,
@@ -19,7 +18,7 @@ diff -ruN ppp-2.4.3.orig/include/linux/ppp-comp.h ppp-2.4.3/include/linux/ppp-co
  
        /* Return compression statistics */
        void    (*comp_stat) (void *state, struct compstat *stats);
  
        /* Return compression statistics */
        void    (*comp_stat) (void *state, struct compstat *stats);
-@@ -107,7 +107,7 @@
+@@ -107,7 +107,7 @@ struct compressor {
  
        /* Decompress a packet. */
        int     (*decompress) (void *state, unsigned char *ibuf, int isize,
  
        /* Decompress a packet. */
        int     (*decompress) (void *state, unsigned char *ibuf, int isize,
@@ -28,7 +27,7 @@ diff -ruN ppp-2.4.3.orig/include/linux/ppp-comp.h ppp-2.4.3/include/linux/ppp-co
  
        /* Update state for an incompressible packet received */
        void    (*incomp) (void *state, unsigned char *ibuf, int icnt);
  
        /* Update state for an incompressible packet received */
        void    (*incomp) (void *state, unsigned char *ibuf, int icnt);
-@@ -288,6 +288,33 @@
+@@ -288,6 +288,33 @@ struct compressor {
            opts |= MPPE_OPT_UNKNOWN;           \
      } while (/* CONSTCOND */ 0)
  
            opts |= MPPE_OPT_UNKNOWN;           \
      } while (/* CONSTCOND */ 0)
  
@@ -62,10 +61,9 @@ diff -ruN ppp-2.4.3.orig/include/linux/ppp-comp.h ppp-2.4.3/include/linux/ppp-co
  /*
   * Definitions for other, as yet unsupported, compression methods.
   */
  /*
   * Definitions for other, as yet unsupported, compression methods.
   */
-diff -ruN ppp-2.4.3.orig/include/net/ppp-comp.h ppp-2.4.3/include/net/ppp-comp.h
---- ppp-2.4.3.orig/include/net/ppp-comp.h      2002-12-06 10:49:15.000000000 +0100
-+++ ppp-2.4.3/include/net/ppp-comp.h   2004-11-21 13:54:09.000000000 +0100
-@@ -255,6 +255,33 @@
+--- a/include/net/ppp-comp.h
++++ b/include/net/ppp-comp.h
+@@ -255,6 +255,33 @@ struct compressor {
            opts |= MPPE_OPT_UNKNOWN;           \
      } while (/* CONSTCOND */ 0)
  
            opts |= MPPE_OPT_UNKNOWN;           \
      } while (/* CONSTCOND */ 0)
  
@@ -99,10 +97,9 @@ diff -ruN ppp-2.4.3.orig/include/net/ppp-comp.h ppp-2.4.3/include/net/ppp-comp.h
  /*
   * Definitions for other, as yet unsupported, compression methods.
   */
  /*
   * Definitions for other, as yet unsupported, compression methods.
   */
-diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
---- ppp-2.4.3.orig/pppd/ccp.c  2004-11-13 03:28:15.000000000 +0100
-+++ ppp-2.4.3/pppd/ccp.c       2004-11-21 13:54:09.000000000 +0100
-@@ -62,12 +62,10 @@
+--- a/pppd/ccp.c
++++ b/pppd/ccp.c
+@@ -62,12 +62,10 @@ static int setdeflate __P((char **));
  static char bsd_value[8];
  static char deflate_value[8];
  
  static char bsd_value[8];
  static char deflate_value[8];
  
@@ -118,7 +115,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  
  static option_t ccp_option_list[] = {
      { "noccp", o_bool, &ccp_protent.enabled_flag,
  
  static option_t ccp_option_list[] = {
      { "noccp", o_bool, &ccp_protent.enabled_flag,
-@@ -108,54 +106,36 @@
+@@ -108,54 +106,36 @@ static option_t ccp_option_list[] = {
        "don't allow Predictor-1", OPT_ALIAS | OPT_PRIOSUB | OPT_A2CLR,
        &ccp_allowoptions[0].predictor_1 },
  
        "don't allow Predictor-1", OPT_ALIAS | OPT_PRIOSUB | OPT_A2CLR,
        &ccp_allowoptions[0].predictor_1 },
  
@@ -202,7 +199,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  #endif /* MPPE */
  
      { NULL }
  #endif /* MPPE */
  
      { NULL }
-@@ -241,7 +221,7 @@
+@@ -241,7 +221,7 @@ static fsm_callbacks ccp_callbacks = {
   */
  #define ANY_COMPRESS(opt)     ((opt).deflate || (opt).bsd_compress \
                                 || (opt).predictor_1 || (opt).predictor_2 \
   */
  #define ANY_COMPRESS(opt)     ((opt).deflate || (opt).bsd_compress \
                                 || (opt).predictor_1 || (opt).predictor_2 \
@@ -211,7 +208,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  
  /*
   * Local state (mainly for handling reset-reqs and reset-acks).
  
  /*
   * Local state (mainly for handling reset-reqs and reset-acks).
-@@ -344,6 +324,100 @@
+@@ -344,6 +324,100 @@ setdeflate(argv)
      return 1;
  }
  
      return 1;
  }
  
@@ -312,7 +309,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  /*
   * ccp_init - initialize CCP.
   */
  /*
   * ccp_init - initialize CCP.
   */
-@@ -378,6 +452,30 @@
+@@ -378,6 +452,30 @@ ccp_init(unit)
      ccp_allowoptions[0].bsd_bits = BSD_MAX_BITS;
  
      ccp_allowoptions[0].predictor_1 = 1;
      ccp_allowoptions[0].bsd_bits = BSD_MAX_BITS;
  
      ccp_allowoptions[0].predictor_1 = 1;
@@ -343,7 +340,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  }
  
  /*
  }
  
  /*
-@@ -455,11 +553,11 @@
+@@ -455,11 +553,11 @@ ccp_input(unit, p, len)
      if (oldstate == OPENED && p[0] == TERMREQ && f->state != OPENED) {
        notice("Compression disabled by peer.");
  #ifdef MPPE
      if (oldstate == OPENED && p[0] == TERMREQ && f->state != OPENED) {
        notice("Compression disabled by peer.");
  #ifdef MPPE
@@ -357,7 +354,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      }
  
      /*
      }
  
      /*
-@@ -487,6 +585,15 @@
+@@ -487,6 +585,15 @@ ccp_extcode(f, code, id, p, len)
            break;
        /* send a reset-ack, which the transmitter will see and
           reset its compression state. */
            break;
        /* send a reset-ack, which the transmitter will see and
           reset its compression state. */
@@ -373,7 +370,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
        fsm_sdata(f, CCP_RESETACK, id, NULL, 0);
        break;
  
        fsm_sdata(f, CCP_RESETACK, id, NULL, 0);
        break;
  
-@@ -515,12 +622,11 @@
+@@ -515,12 +622,11 @@ ccp_protrej(unit)
      fsm_lowerdown(&ccp_fsm[unit]);
  
  #ifdef MPPE
      fsm_lowerdown(&ccp_fsm[unit]);
  
  #ifdef MPPE
@@ -388,7 +385,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  }
  
  /*
  }
  
  /*
-@@ -537,7 +643,7 @@
+@@ -537,7 +643,7 @@ ccp_resetci(f)
      all_rejected[f->unit] = 0;
  
  #ifdef MPPE
      all_rejected[f->unit] = 0;
  
  #ifdef MPPE
@@ -397,7 +394,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
        ccp_options *ao = &ccp_allowoptions[f->unit];
        int auth_mschap_bits = auth_done[f->unit];
        int numbits;
        ccp_options *ao = &ccp_allowoptions[f->unit];
        int auth_mschap_bits = auth_done[f->unit];
        int numbits;
-@@ -551,80 +657,109 @@
+@@ -551,80 +657,109 @@ ccp_resetci(f)
         * NB: If MPPE is required, all other compression opts are invalid.
         *     So, we return right away if we can't do it.
         */
         * NB: If MPPE is required, all other compression opts are invalid.
         *     So, we return right away if we can't do it.
         */
@@ -573,7 +570,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      if (go->bsd_compress) {
        opt_buf[0] = CI_BSD_COMPRESS;
        opt_buf[1] = CILEN_BSD_COMPRESS;
      if (go->bsd_compress) {
        opt_buf[0] = CI_BSD_COMPRESS;
        opt_buf[1] = CILEN_BSD_COMPRESS;
-@@ -679,7 +814,8 @@
+@@ -679,7 +814,8 @@ ccp_cilen(f)
        + (go->deflate? CILEN_DEFLATE: 0)
        + (go->predictor_1? CILEN_PREDICTOR_1: 0)
        + (go->predictor_2? CILEN_PREDICTOR_2: 0)
        + (go->deflate? CILEN_DEFLATE: 0)
        + (go->predictor_1? CILEN_PREDICTOR_1: 0)
        + (go->predictor_2? CILEN_PREDICTOR_2: 0)
@@ -583,7 +580,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  }
  
  /*
  }
  
  /*
-@@ -693,6 +829,8 @@
+@@ -693,6 +829,8 @@ ccp_addci(f, p, lenp)
  {
      int res;
      ccp_options *go = &ccp_gotoptions[f->unit];
  {
      int res;
      ccp_options *go = &ccp_gotoptions[f->unit];
@@ -592,7 +589,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      u_char *p0 = p;
  
      /*
      u_char *p0 = p;
  
      /*
-@@ -701,22 +839,43 @@
+@@ -701,22 +839,43 @@ ccp_addci(f, p, lenp)
       * in case it gets Acked.
       */
  #ifdef MPPE
       * in case it gets Acked.
       */
  #ifdef MPPE
@@ -645,7 +642,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      if (go->deflate) {
        p[0] = go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT;
        p[1] = CILEN_DEFLATE;
      if (go->deflate) {
        p[0] = go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT;
        p[1] = CILEN_DEFLATE;
-@@ -802,7 +961,7 @@
+@@ -802,7 +961,7 @@ ccp_addci(f, p, lenp)
  
  /*
   * ccp_ackci - process a received configure-ack, and return
  
  /*
   * ccp_ackci - process a received configure-ack, and return
@@ -654,7 +651,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
   */
  static int
  ccp_ackci(f, p, len)
   */
  static int
  ccp_ackci(f, p, len)
-@@ -811,24 +970,44 @@
+@@ -811,24 +970,44 @@ ccp_ackci(f, p, len)
      int len;
  {
      ccp_options *go = &ccp_gotoptions[f->unit];
      int len;
  {
      ccp_options *go = &ccp_gotoptions[f->unit];
@@ -708,7 +705,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      if (go->deflate) {
        if (len < CILEN_DEFLATE
            || p[0] != (go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT)
      if (go->deflate) {
        if (len < CILEN_DEFLATE
            || p[0] != (go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT)
-@@ -891,7 +1070,7 @@
+@@ -891,7 +1070,7 @@ ccp_ackci(f, p, len)
  
  /*
   * ccp_nakci - process received configure-nak.
  
  /*
   * ccp_nakci - process received configure-nak.
@@ -717,8 +714,8 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
   */
  static int
  ccp_nakci(f, p, len, treat_as_reject)
   */
  static int
  ccp_nakci(f, p, len, treat_as_reject)
-@@ -900,6 +1079,8 @@
-     int len;
+@@ -901,6 +1080,8 @@ ccp_nakci(f, p, len, treat_as_reject)
+     int treat_as_reject;
  {
      ccp_options *go = &ccp_gotoptions[f->unit];
 +    ccp_options *ao = &ccp_allowoptions[f->unit];
  {
      ccp_options *go = &ccp_gotoptions[f->unit];
 +    ccp_options *ao = &ccp_allowoptions[f->unit];
@@ -726,7 +723,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      ccp_options no;           /* options we've seen already */
      ccp_options try;          /* options to ask for next time */
  
      ccp_options no;           /* options we've seen already */
      ccp_options try;          /* options to ask for next time */
  
-@@ -907,28 +1088,100 @@
+@@ -908,28 +1089,100 @@ ccp_nakci(f, p, len, treat_as_reject)
      try = *go;
  
  #ifdef MPPE
      try = *go;
  
  #ifdef MPPE
@@ -845,7 +842,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      if (go->deflate && len >= CILEN_DEFLATE
        && p[0] == (go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT)
        && p[1] == CILEN_DEFLATE) {
      if (go->deflate && len >= CILEN_DEFLATE
        && p[0] == (go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT)
        && p[1] == CILEN_DEFLATE) {
-@@ -1001,14 +1254,50 @@
+@@ -1002,14 +1255,50 @@ ccp_rejci(f, p, len)
        return -1;
  
  #ifdef MPPE
        return -1;
  
  #ifdef MPPE
@@ -900,7 +897,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      if (go->deflate_correct && len >= CILEN_DEFLATE
        && p[0] == CI_DEFLATE && p[1] == CILEN_DEFLATE) {
        if (p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
      if (go->deflate_correct && len >= CILEN_DEFLATE
        && p[0] == CI_DEFLATE && p[1] == CILEN_DEFLATE) {
        if (p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
-@@ -1072,14 +1361,15 @@
+@@ -1073,14 +1362,15 @@ ccp_reqci(f, p, lenp, dont_nak)
      int dont_nak;
  {
      int ret, newret, res;
      int dont_nak;
  {
      int ret, newret, res;
@@ -920,42 +917,34 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  
      ret = CONFACK;
      retp = p0 = p;
  
      ret = CONFACK;
      retp = p0 = p;
-@@ -1102,103 +1392,305 @@
+@@ -1103,106 +1393,302 @@ ccp_reqci(f, p, lenp, dont_nak)
            switch (type) {
  #ifdef MPPE
            case CI_MPPE:
 -              if (!ao->mppe || clen != CILEN_MPPE) {
            switch (type) {
  #ifdef MPPE
            case CI_MPPE:
 -              if (!ao->mppe || clen != CILEN_MPPE) {
-+              if ((!ao->mppc && !ao->mppe) || clen != CILEN_MPPE) {
++              if ((!ao->mppc && !ao->mppe) || clen != CILEN_MPPE) {
                    newret = CONFREJ;
                    break;
                }
 -              MPPE_CI_TO_OPTS(&p[2], ho->mppe);
                    newret = CONFREJ;
                    break;
                }
 -              MPPE_CI_TO_OPTS(&p[2], ho->mppe);
- 
+-
 -              /* Nak if anything unsupported or unknown are set. */
 -              if (ho->mppe & MPPE_OPT_UNSUPPORTED) {
 -              /* Nak if anything unsupported or unknown are set. */
 -              if (ho->mppe & MPPE_OPT_UNSUPPORTED) {
--                  newret = CONFNAK;
++              p2 = p[2];
++              p5 = p[5];
++              /* not sure what they want, tell 'em what we got */
++              if (((p[2] & ~MPPE_STATELESS) != 0 || p[3] != 0 || p[4] != 0 ||
++                   (p[5] & ~(MPPE_40BIT | MPPE_56BIT | MPPE_128BIT |
++                             MPPE_MPPC)) != 0 || p[5] == 0) ||
++                  (p[2] == 0 && p[3] == 0 && p[4] == 0 &&  p[5] == 0)) {
+                   newret = CONFNAK;
 -                  ho->mppe &= ~MPPE_OPT_UNSUPPORTED;
 -              }
 -              if (ho->mppe & MPPE_OPT_UNKNOWN) {
 -                  ho->mppe &= ~MPPE_OPT_UNSUPPORTED;
 -              }
 -              if (ho->mppe & MPPE_OPT_UNKNOWN) {
-+              p2 = p[2];
-+              p5 = p[5];
-+              /* not sure what they want, tell 'em what we got */
-+              if (((p[2] & ~MPPE_STATELESS) != 0 || p[3] != 0 || p[4] != 0 ||
-+                   (p[5] & ~(MPPE_40BIT | MPPE_56BIT | MPPE_128BIT |
-+                             MPPE_MPPC)) != 0 || p[5] == 0) ||
-+                  (p[2] == 0 && p[3] == 0 && p[4] == 0 &&  p[5] == 0)) {
-                   newret = CONFNAK;
+-                  newret = CONFNAK;
 -                  ho->mppe &= ~MPPE_OPT_UNKNOWN;
 -                  ho->mppe &= ~MPPE_OPT_UNKNOWN;
-+                  p[2] = (wo->mppe_stateless ? MPPE_STATELESS : 0);
-+                  p[3] = 0;
-+                  p[4] = 0;
-+                  p[5] = (wo->mppe_40 ? MPPE_40BIT : 0) |
-+                      (wo->mppe_56 ? MPPE_56BIT : 0) |
-+                      (wo->mppe_128 ? MPPE_128BIT : 0) |
-+                      (wo->mppc ? MPPE_MPPC : 0);
-+                  break;
-               }
- 
+-              }
+-
 -              /* Check state opt */
 -              if (ho->mppe & MPPE_OPT_STATEFUL) {
 -                  /*
 -              /* Check state opt */
 -              if (ho->mppe & MPPE_OPT_STATEFUL) {
 -                  /*
@@ -966,58 +955,43 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
 -                   */
 -                 if (refuse_mppe_stateful) {
 -                      error("Refusing MPPE stateful mode offered by peer");
 -                   */
 -                 if (refuse_mppe_stateful) {
 -                      error("Refusing MPPE stateful mode offered by peer");
-+              if ((p[5] & MPPE_MPPC)) {
-+                  if (ao->mppc) {
-+                      ho->mppc = 1;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      opt_buf[2] = opt_buf[3] = opt_buf[4] = 0;
-+                      opt_buf[5] = MPPE_MPPC;
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE, 1) <= 0) {
-+                          ho->mppc = 0;
-+                          p[5] &= ~MPPE_MPPC;
-+                          newret = CONFNAK;
-+                      }
-+                  } else {
-                       newret = CONFREJ;
+-                      newret = CONFREJ;
 -                      break;
 -                      break;
-+                      if (wo->mppe || ao->mppe) {
-+                          p[5] &= ~MPPE_MPPC;
-+                          newret = CONFNAK;
-+                      }
-+                  }
-+              }
-+
-+              if (ao->mppe)
-+                  ho->mppe = 1;
++                  p[2] = (wo->mppe_stateless ? MPPE_STATELESS : 0);
++                  p[3] = 0;
++                  p[4] = 0;
++                  p[5] = (wo->mppe_40 ? MPPE_40BIT : 0) |
++                      (wo->mppe_56 ? MPPE_56BIT : 0) |
++                      (wo->mppe_128 ? MPPE_128BIT : 0) |
++                      (wo->mppc ? MPPE_MPPC : 0);
++                  break;
++              }
 +
 +
-+              if ((p[2] & MPPE_STATELESS)) {
-+                  if (ao->mppe_stateless) {
-+                      if (wo->mppe_stateless)
-+                          ho->mppe_stateless = 1;
-+                      else {
-+                          newret = CONFNAK;
-+                          if (!dont_nak)
-+                              p[2] &= ~MPPE_STATELESS;
-+                      }
-+                  } else {
-+                      newret = CONFNAK;
-+                      if (!dont_nak)
-+                          p[2] &= ~MPPE_STATELESS;
-+                  }
-+              } else {
-+                  if (wo->mppe_stateless && !dont_nak) {
-+                      wo->mppe_stateless = 0;
-+                      newret = CONFNAK;
-+                      p[2] |= MPPE_STATELESS;
++              if ((p[5] & MPPE_MPPC)) {
++                  if (ao->mppc) {
++                      ho->mppc = 1;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
++                      opt_buf[2] = opt_buf[3] = opt_buf[4] = 0;
++                      opt_buf[5] = MPPE_MPPC;
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE, 1) <= 0) {
++                          ho->mppc = 0;
++                          p[5] &= ~MPPE_MPPC;
++                          newret = CONFNAK;
++                      }
++                  } else {
++                    newret = CONFREJ;
++                      if (wo->mppe || ao->mppe) {
++                          p[5] &= ~MPPE_MPPC;
++                          newret = CONFNAK;
++                      }
                    }
                }
                    }
                }
- 
+-
 -              /* Find out which of {S,L} are set. */
 -              if ((ho->mppe & MPPE_OPT_128)
 -                   && (ho->mppe & MPPE_OPT_40)) {
 -                  /* Both are set, negotiate the strongest. */
 -              /* Find out which of {S,L} are set. */
 -              if ((ho->mppe & MPPE_OPT_128)
 -                   && (ho->mppe & MPPE_OPT_40)) {
 -                  /* Both are set, negotiate the strongest. */
-+              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_56BIT|MPPE_128BIT)) {
-                   newret = CONFNAK;
+-                  newret = CONFNAK;
 -                  if (ao->mppe & MPPE_OPT_128)
 -                      ho->mppe &= ~MPPE_OPT_40;
 -                  else if (ao->mppe & MPPE_OPT_40)
 -                  if (ao->mppe & MPPE_OPT_128)
 -                      ho->mppe &= ~MPPE_OPT_40;
 -                  else if (ao->mppe & MPPE_OPT_40)
@@ -1025,179 +999,200 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
 -                  else {
 -                      newret = CONFREJ;
 -                      break;
 -                  else {
 -                      newret = CONFREJ;
 -                      break;
-+                  if (ao->mppe_128) {
-+                      ho->mppe_128 = 1;
-+                      p[5] &= ~(MPPE_40BIT|MPPE_56BIT);
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_128 = 0;
-+                          p[5] |= (MPPE_40BIT|MPPE_56BIT);
-+                          p[5] &= ~MPPE_128BIT;
-+                          goto check_mppe_56_40;
-+                      }
-+                      goto check_mppe;
-                   }
+-                  }
 -              } else if (ho->mppe & MPPE_OPT_128) {
 -                  if (!(ao->mppe & MPPE_OPT_128)) {
 -                      newret = CONFREJ;
 -                      break;
 -              } else if (ho->mppe & MPPE_OPT_128) {
 -                  if (!(ao->mppe & MPPE_OPT_128)) {
 -                      newret = CONFREJ;
 -                      break;
-+                  p[5] &= ~MPPE_128BIT;
-+                  goto check_mppe_56_40;
-+              }
-+              if ((p[5] & ~MPPE_MPPC) == (MPPE_56BIT|MPPE_128BIT)) {
-+                  newret = CONFNAK;
-+                  if (ao->mppe_128) {
-+                      ho->mppe_128 = 1;
-+                      p[5] &= ~MPPE_56BIT;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_128 = 0;
-+                          p[5] |= MPPE_56BIT;
-+                          p[5] &= ~MPPE_128BIT;
-+                          goto check_mppe_56;
-+                      }
-+                      goto check_mppe;
-                   }
+-                  }
 -              } else if (ho->mppe & MPPE_OPT_40) {
 -                  if (!(ao->mppe & MPPE_OPT_40)) {
 -                      newret = CONFREJ;
 -                      break;
 -              } else if (ho->mppe & MPPE_OPT_40) {
 -                  if (!(ao->mppe & MPPE_OPT_40)) {
 -                      newret = CONFREJ;
 -                      break;
-+                  p[5] &= ~MPPE_128BIT;
-+                  goto check_mppe_56;
-+              }
-+              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_128BIT)) {
-+                  newret = CONFNAK;
-+                  if (ao->mppe_128) {
-+                      ho->mppe_128 = 1;
-+                      p[5] &= ~MPPE_40BIT;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
+-                  }
++              if (ao->mppe)
++                  ho->mppe = 1;
++ 
++              if ((p[2] & MPPE_STATELESS)) {
++                  if (ao->mppe_stateless) {
++                      if (wo->mppe_stateless)
++                          ho->mppe_stateless = 1;
++                      else {
++                          newret = CONFNAK;
++                          if (!dont_nak)
++                              p[2] &= ~MPPE_STATELESS;
++                      }
++                  } else {
++                      newret = CONFNAK;
++                      if (!dont_nak)
++                          p[2] &= ~MPPE_STATELESS;
++                  }
++              } else {
++                  if (wo->mppe_stateless && !dont_nak) {
++                      wo->mppe_stateless = 0;
++                      newret = CONFNAK;
++                      p[2] |= MPPE_STATELESS;
++                  }
++              }
++  
++              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_56BIT|MPPE_128BIT)) {
++                  newret = CONFNAK;
++                  if (ao->mppe_128) {
++                      ho->mppe_128 = 1;
++                      p[5] &= ~(MPPE_40BIT|MPPE_56BIT);
++                      BCOPY(p, opt_buf, CILEN_MPPE);
++                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_128 = 0;
++                          p[5] |= (MPPE_40BIT|MPPE_56BIT);
++                          p[5] &= ~MPPE_128BIT;
++                          goto check_mppe_56_40;
++                      }
++                      goto check_mppe;
++                  }
++                  p[5] &= ~MPPE_128BIT;
++                  goto check_mppe_56_40;
++              }
++              if ((p[5] & ~MPPE_MPPC) == (MPPE_56BIT|MPPE_128BIT)) {
++                  newret = CONFNAK;
++                  if (ao->mppe_128) {
++                      ho->mppe_128 = 1;
++                      p[5] &= ~MPPE_56BIT;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
 +                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
 +                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_128 = 0;
-+                          p[5] |= MPPE_40BIT;
-+                          p[5] &= ~MPPE_128BIT;
-+                          goto check_mppe_40;
-+                      }
-+                      goto check_mppe;
-+                  }
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_128 = 0;
++                          p[5] |= MPPE_56BIT;
++                          p[5] &= ~MPPE_128BIT;
++                          goto check_mppe_56;
++                      }
++                      goto check_mppe;
++                  }
++                  p[5] &= ~MPPE_128BIT;
++                  goto check_mppe_56;
++              }
++              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_128BIT)) {
++                  newret = CONFNAK;
++                  if (ao->mppe_128) {
++                      ho->mppe_128 = 1;
++                      p[5] &= ~MPPE_40BIT;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
++                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_128 = 0;
++                          p[5] |= MPPE_40BIT;
++                          p[5] &= ~MPPE_128BIT;
++                          goto check_mppe_40;
++                      }
++                      goto check_mppe;
++                  }
++                  p[5] &= ~MPPE_128BIT;
++                  goto check_mppe_40;
++              }
++              if ((p[5] & ~MPPE_MPPC) == MPPE_128BIT) {
++                  if (ao->mppe_128) {
++                      ho->mppe_128 = 1;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
++                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_128 = 0;
++                          p[5] &= ~MPPE_128BIT;
++                          newret = CONFNAK;
++                      }
++                      goto check_mppe;
++                  }
 +                  p[5] &= ~MPPE_128BIT;
 +                  p[5] &= ~MPPE_128BIT;
-+                  goto check_mppe_40;
-+              }
-+              if ((p[5] & ~MPPE_MPPC) == MPPE_128BIT) {
-+                  if (ao->mppe_128) {
-+                      ho->mppe_128 = 1;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_128 = 0;
-+                          p[5] &= ~MPPE_128BIT;
-+                          newret = CONFNAK;
-+                      }
-+                      goto check_mppe;
-+                  }
-+                  p[5] &= ~MPPE_128BIT;
-+                  newret = CONFNAK;
-+                  goto check_mppe;
-+              }
-+          check_mppe_56_40:
++                  newret = CONFNAK;
++                  goto check_mppe;
++              }
++          check_mppe_56_40:
 +              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_56BIT)) {
 +              if ((p[5] & ~MPPE_MPPC) == (MPPE_40BIT|MPPE_56BIT)) {
-+                  newret = CONFNAK;
-+                  if (ao->mppe_56) {
-+                      ho->mppe_56 = 1;
-+                      p[5] &= ~MPPE_40BIT;
++                  newret = CONFNAK;
++                  if (ao->mppe_56) {
++                      ho->mppe_56 = 1;
++                      p[5] &= ~MPPE_40BIT;
 +                      BCOPY(p, opt_buf, CILEN_MPPE);
 +                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
 +                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
 +                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_56 = 0;
-+                          p[5] |= MPPE_40BIT;
-+                          p[5] &= ~MPPE_56BIT;
++                          ho->mppe_56 = 0;
++                          p[5] |= MPPE_40BIT;
++                          p[5] &= ~MPPE_56BIT;
 +                          newret = CONFNAK;
 +                          newret = CONFNAK;
-+                          goto check_mppe_40;
-+                      }
++                          goto check_mppe_40;
++                      }
 +                      goto check_mppe;
 +                      goto check_mppe;
-+                  }
++                  }
 +                  p[5] &= ~MPPE_56BIT;
 +                  p[5] &= ~MPPE_56BIT;
-+                  goto check_mppe_40;
-+              }
-+          check_mppe_56:
++                  goto check_mppe_40;
++              }
++          check_mppe_56:
 +              if ((p[5] & ~MPPE_MPPC) == MPPE_56BIT) {
 +              if ((p[5] & ~MPPE_MPPC) == MPPE_56BIT) {
-+                  if (ao->mppe_56) {
-+                      ho->mppe_56 = 1;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
-+                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
++                  if (ao->mppe_56) {
++                      ho->mppe_56 = 1;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
++                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
 +                            MPPE_MAX_KEY_LEN);
 +                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_56 = 0;
-+                          p[5] &= ~MPPE_56BIT;
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_56 = 0;
++                          p[5] &= ~MPPE_56BIT;
 +                          newret = CONFNAK;
 +                          newret = CONFNAK;
-+                      }
++                      }
 +                      goto check_mppe;
 +                      goto check_mppe;
-+                  }
-+                  p[5] &= ~MPPE_56BIT;
-+                  newret = CONFNAK;
++                  }
++                  p[5] &= ~MPPE_56BIT;
++                  newret = CONFNAK;
 +                  goto check_mppe;
 +                  goto check_mppe;
-+              }
-+          check_mppe_40:
++              }
++          check_mppe_40:
 +              if ((p[5] & ~MPPE_MPPC) == MPPE_40BIT) {
 +              if ((p[5] & ~MPPE_MPPC) == MPPE_40BIT) {
-+                  if (ao->mppe_40) {
-+                      ho->mppe_40 = 1;
-+                      BCOPY(p, opt_buf, CILEN_MPPE);
++                  if (ao->mppe_40) {
++                      ho->mppe_40 = 1;
++                      BCOPY(p, opt_buf, CILEN_MPPE);
 +                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
 +                      BCOPY(mppe_send_key, &opt_buf[CILEN_MPPE],
-+                            MPPE_MAX_KEY_LEN);
-+                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
-+                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
-+                          ho->mppe_40 = 0;
++                            MPPE_MAX_KEY_LEN);
++                      if (ccp_test(f->unit, opt_buf, CILEN_MPPE +
++                                   MPPE_MAX_KEY_LEN, 1) <= 0) {
++                          ho->mppe_40 = 0;
 +                          p[5] &= ~MPPE_40BIT;
 +                          p[5] &= ~MPPE_40BIT;
-+                          newret = CONFNAK;
-+                      }
-+                      goto check_mppe;
-+                  }
-+                  p[5] &= ~MPPE_40BIT;
-+              }
-+
-+          check_mppe:
-+              if (!ho->mppe_40 && !ho->mppe_56 && !ho->mppe_128) {
-+                  if (wo->mppe_40 || wo->mppe_56 || wo->mppe_128) {
-+                      newret = CONFNAK;
-+                      p[2] |= (wo->mppe_stateless ? MPPE_STATELESS : 0);
++                          newret = CONFNAK;
++                      }
++                      goto check_mppe;
++                  }
++                  p[5] &= ~MPPE_40BIT;
++              }
++ 
++          check_mppe:
++              if (!ho->mppe_40 && !ho->mppe_56 && !ho->mppe_128) {
++                  if (wo->mppe_40 || wo->mppe_56 || wo->mppe_128) {
++                      newret = CONFNAK;
++                      p[2] |= (wo->mppe_stateless ? MPPE_STATELESS : 0);
 +                      p[5] |= (wo->mppe_40 ? MPPE_40BIT : 0) |
 +                      p[5] |= (wo->mppe_40 ? MPPE_40BIT : 0) |
-+                          (wo->mppe_56 ? MPPE_56BIT : 0) |
-+                          (wo->mppe_128 ? MPPE_128BIT : 0) |
-+                          (wo->mppc ? MPPE_MPPC : 0);
-+                  } else {
-+                      ho->mppe = ho->mppe_stateless = 0;
-                   }
++                          (wo->mppe_56 ? MPPE_56BIT : 0) |
++                          (wo->mppe_128 ? MPPE_128BIT : 0) |
++                          (wo->mppc ? MPPE_MPPC : 0);
++                  } else {
++                      ho->mppe = ho->mppe_stateless = 0;
++                  }
                } else {
 -                  /* Neither are set. */
                } else {
 -                  /* Neither are set. */
-+                  /* MPPE is not compatible with other compression types */
-+                  if (wo->mppe) {
-+                      ao->bsd_compress = 0;
-+                      ao->predictor_1 = 0;
-+                      ao->predictor_2 = 0;
-+                      ao->deflate = 0;
-+                      ao->lzs = 0;
-+                  }
-+              }
-+              if ((!ho->mppc || !ao->mppc) && !ho->mppe) {
-+                  p[2] = p2;
-+                  p[5] = p5;
-                   newret = CONFREJ;
-                   break;
-               }
- 
+-                  /* We cannot accept this.  */
+-                  newret = CONFNAK;
+-                  /* Give the peer our idea of what can be used,
+-                     so it can choose and confirm */
+-                  ho->mppe = ao->mppe;
+-              }
+-
 -              /* rebuild the opts */
 -              MPPE_OPTS_TO_CI(ho->mppe, &p[2]);
 -              if (newret == CONFACK) {
 -              /* rebuild the opts */
 -              MPPE_OPTS_TO_CI(ho->mppe, &p[2]);
 -              if (newret == CONFACK) {
@@ -1226,79 +1221,99 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
 -                  else
 -                      newret = CONFREJ;
 -              }
 -                  else
 -                      newret = CONFREJ;
 -              }
-+              /*
-+               * I have commented the code below because according to RFC1547
-+               * MTU is only information for higher level protocols about
-+               * "the maximum allowable length for a packet (q.v.) transmitted
-+               * over a point-to-point link without incurring network layer
-+               * fragmentation." Of course a PPP implementation should be able
-+               * to handle overhead added by MPPE - in our case apropriate code
-+               * is located in drivers/net/ppp_generic.c in the kernel sources.
-+               *
-+               * According to RFC1661:
-+               * - when negotiated MRU is less than 1500 octets, a PPP
-+               *   implementation must still be able to receive at least 1500
-+               *   octets,
-+               * - when PFC is negotiated, a PPP implementation is still
-+               *   required to receive frames with uncompressed protocol field.
-+               *
-+               * So why not to handle MPPE overhead without changing MTU value?
-+               * I am sure that RFC3078, unfortunately silently, assumes that.
-+               */
- 
-               /*
+-
+-              /*
 -               * We have accepted MPPE or are willing to negotiate
 -               * MPPE parameters.  A CONFREJ is due to subsequent
 -               * (non-MPPE) processing.
 -               * We have accepted MPPE or are willing to negotiate
 -               * MPPE parameters.  A CONFREJ is due to subsequent
 -               * (non-MPPE) processing.
-+               * We need to decrease the interface MTU by MPPE_PAD
-+               * because MPPE frames **grow**.  The kernel [must]
-+               * allocate MPPE_PAD extra bytes in xmit buffers.
-                */
+-               */
 -              rej_for_ci_mppe = 0;
 -              rej_for_ci_mppe = 0;
-+/*
-+              mtu = netif_get_mtu(f->unit);
-+              if (mtu) {
-+                  netif_set_mtu(f->unit, mtu - MPPE_PAD);
-+              } else {
+-              break;
+-#endif /* MPPE */
++                  /* MPPE is not compatible with other compression types */
++                  if (wo->mppe) {
++                      ao->bsd_compress = 0;
++                      ao->predictor_1 = 0;
++                      ao->predictor_2 = 0;
++                      ao->deflate = 0;
++                      ao->lzs = 0;
++                  }
++              }
++              if ((!ho->mppc || !ao->mppc) && !ho->mppe) {
++                  p[2] = p2;
++                  p[5] = p5;
++                  newret = CONFREJ;
++                  break;
++              }
++  
++              /*
++               * I have commented the code below because according to RFC1547
++               * MTU is only information for higher level protocols about
++               * "the maximum allowable length for a packet (q.v.) transmitted
++               * over a point-to-point link without incurring network layer
++               * fragmentation." Of course a PPP implementation should be able
++               * to handle overhead added by MPPE - in our case apropriate code
++               * is located in drivers/net/ppp_generic.c in the kernel sources.
++               *
++               * According to RFC1661:
++               * - when negotiated MRU is less than 1500 octets, a PPP
++               *   implementation must still be able to receive at least 1500
++               *   octets,
++               * - when PFC is negotiated, a PPP implementation is still
++               *   required to receive frames with uncompressed protocol field.
++               *
++               * So why not to handle MPPE overhead without changing MTU value?
++               * I am sure that RFC3078, unfortunately silently, assumes that.
++               */
++ 
++              /*
++               * We need to decrease the interface MTU by MPPE_PAD
++               * because MPPE frames **grow**.  The kernel [must]
++               * allocate MPPE_PAD extra bytes in xmit buffers.
++               */
++ /*
++              mtu = netif_get_mtu(f->unit);
++              if (mtu) {
++                  netif_set_mtu(f->unit, mtu - MPPE_PAD);
++              } else {
 +                  newret = CONFREJ;
 +                  newret = CONFREJ;
-+                  if (ccp_wantoptions[f->unit].mppe) {
-+                      error("Cannot adjust MTU needed by MPPE.");
-+                      lcp_close(f->unit, "Cannot adjust MTU needed by MPPE.");
-+                  }
-+              }
-+*/
-               break;
- #endif /* MPPE */
-+
++                  if (ccp_wantoptions[f->unit].mppe) {
++                      error("Cannot adjust MTU needed by MPPE.");
++                      lcp_close(f->unit, "Cannot adjust MTU needed by MPPE.");
++                  }
++              }
++ */
++              break;
++  #endif /* MPPE */
++ 
 +          case CI_LZS:
 +          case CI_LZS:
-+              if (!ao->lzs || clen != CILEN_LZS) {
-+                  newret = CONFREJ;
-+                  break;
-+              }
-+
-+              ho->lzs = 1;
++              if (!ao->lzs || clen != CILEN_LZS) {
++                  newret = CONFREJ;
++                  break;
++              }
++ 
++              ho->lzs = 1;
 +              ho->lzs_hists = (p[2] << 8) | p[3];
 +              ho->lzs_hists = (p[2] << 8) | p[3];
-+              ho->lzs_mode = p[4];
-+              if ((ho->lzs_hists != ao->lzs_hists) ||
++              ho->lzs_mode = p[4];
++      if ((ho->lzs_hists != ao->lzs_hists) ||
 +                  (ho->lzs_mode != ao->lzs_mode)) {
 +                  (ho->lzs_mode != ao->lzs_mode)) {
-+                  newret = CONFNAK;
-+                  if (!dont_nak) {
-+                      p[2] = ao->lzs_hists >> 8;
-+                      p[3] = ao->lzs_hists & 0xff;
-+                      p[4] = ao->lzs_mode;
-+                  } else
-+                      break;
-+              }
-+
-+              if (p == p0 && ccp_test(f->unit, p, CILEN_LZS, 1) <= 0) {
-+                  newret = CONFREJ;
-+              }
-+              break;
-+
++                  newret = CONFNAK;
++                  if (!dont_nak) {
++                      p[2] = ao->lzs_hists >> 8;
++                      p[3] = ao->lzs_hists & 0xff;
++                      p[4] = ao->lzs_mode;
++          } else
++                      break;
++              }
++ 
++              if (p == p0 && ccp_test(f->unit, p, CILEN_LZS, 1) <= 0) {
++                  newret = CONFREJ;
++              }
++              break;
            case CI_DEFLATE:
            case CI_DEFLATE_DRAFT:
                if (!ao->deflate || clen != CILEN_DEFLATE
            case CI_DEFLATE:
            case CI_DEFLATE_DRAFT:
                if (!ao->deflate || clen != CILEN_DEFLATE
-@@ -1340,12 +1832,6 @@
+@@ -1344,12 +1830,6 @@ ccp_reqci(f, p, lenp, dont_nak)
        else
            *lenp = retp - p0;
      }
        else
            *lenp = retp - p0;
      }
@@ -1311,7 +1326,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      return ret;
  }
  
      return ret;
  }
  
-@@ -1367,24 +1853,35 @@
+@@ -1371,24 +1851,35 @@ method_name(opt, opt2)
        char *p = result;
        char *q = result + sizeof(result); /* 1 past result */
  
        char *p = result;
        char *q = result + sizeof(result); /* 1 past result */
  
@@ -1363,7 +1378,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
      case CI_DEFLATE:
      case CI_DEFLATE_DRAFT:
        if (opt2 != NULL && opt2->deflate_size != opt->deflate_size)
      case CI_DEFLATE:
      case CI_DEFLATE_DRAFT:
        if (opt2 != NULL && opt2->deflate_size != opt->deflate_size)
-@@ -1440,12 +1937,12 @@
+@@ -1444,12 +1935,12 @@ ccp_up(f)
      } else if (ANY_COMPRESS(*ho))
        notice("%s transmit compression enabled", method_name(ho, NULL));
  #ifdef MPPE
      } else if (ANY_COMPRESS(*ho))
        notice("%s transmit compression enabled", method_name(ho, NULL));
  #ifdef MPPE
@@ -1378,7 +1393,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  }
  
  /*
  }
  
  /*
-@@ -1468,7 +1965,7 @@
+@@ -1472,7 +1963,7 @@ ccp_down(f)
            lcp_close(f->unit, "MPPE disabled");
        }
      }
            lcp_close(f->unit, "MPPE disabled");
        }
      }
@@ -1387,7 +1402,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
  }
  
  /*
  }
  
  /*
-@@ -1528,24 +2025,28 @@
+@@ -1532,24 +2023,28 @@ ccp_printpkt(p, plen, printer, arg)
  #ifdef MPPE
            case CI_MPPE:
                if (optlen >= CILEN_MPPE) {
  #ifdef MPPE
            case CI_MPPE:
                if (optlen >= CILEN_MPPE) {
@@ -1428,7 +1443,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
            case CI_DEFLATE:
            case CI_DEFLATE_DRAFT:
                if (optlen >= CILEN_DEFLATE) {
            case CI_DEFLATE:
            case CI_DEFLATE_DRAFT:
                if (optlen >= CILEN_DEFLATE) {
-@@ -1631,6 +2132,7 @@
+@@ -1635,6 +2130,7 @@ ccp_datainput(unit, pkt, len)
            error("Lost compression sync: disabling compression");
            ccp_close(unit, "Lost compression sync");
  #ifdef MPPE
            error("Lost compression sync: disabling compression");
            ccp_close(unit, "Lost compression sync");
  #ifdef MPPE
@@ -1436,7 +1451,7 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
            /*
             * If we were doing MPPE, we must also take the link down.
             */
            /*
             * If we were doing MPPE, we must also take the link down.
             */
-@@ -1638,9 +2140,18 @@
+@@ -1642,9 +2138,18 @@ ccp_datainput(unit, pkt, len)
                error("Too many MPPE errors, closing LCP");
                lcp_close(unit, "Too many MPPE errors");
            }
                error("Too many MPPE errors, closing LCP");
                lcp_close(unit, "Too many MPPE errors");
            }
@@ -1456,15 +1471,14 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.c ppp-2.4.3/pppd/ccp.c
             * Send a reset-request to reset the peer's compressor.
             * We don't do that if we are still waiting for an
             * acknowledgement to a previous reset-request.
             * Send a reset-request to reset the peer's compressor.
             * We don't do that if we are still waiting for an
             * acknowledgement to a previous reset-request.
-@@ -1671,4 +2182,3 @@
+@@ -1675,4 +2180,3 @@ ccp_rack_timeout(arg)
      } else
        ccp_localstate[f->unit] &= ~RACK_PENDING;
  }
 -
      } else
        ccp_localstate[f->unit] &= ~RACK_PENDING;
  }
 -
-diff -ruN ppp-2.4.3.orig/pppd/ccp.h ppp-2.4.3/pppd/ccp.h
---- ppp-2.4.3.orig/pppd/ccp.h  2004-11-04 11:02:26.000000000 +0100
-+++ ppp-2.4.3/pppd/ccp.h       2004-11-21 13:54:09.000000000 +0100
-@@ -37,9 +37,17 @@
+--- a/pppd/ccp.h
++++ b/pppd/ccp.h
+@@ -37,9 +37,17 @@ typedef struct ccp_options {
      bool predictor_2;         /* do Predictor-2? */
      bool deflate_correct;     /* use correct code for deflate? */
      bool deflate_draft;               /* use draft RFC code for deflate? */
      bool predictor_2;         /* do Predictor-2? */
      bool deflate_correct;     /* use correct code for deflate? */
      bool deflate_draft;               /* use draft RFC code for deflate? */
@@ -1482,10 +1496,9 @@ diff -ruN ppp-2.4.3.orig/pppd/ccp.h ppp-2.4.3/pppd/ccp.h
      short method;             /* code for chosen compression method */
  } ccp_options;
  
      short method;             /* code for chosen compression method */
  } ccp_options;
  
-diff -ruN ppp-2.4.3.orig/pppd/chap_ms.c ppp-2.4.3/pppd/chap_ms.c
---- ppp-2.4.3.orig/pppd/chap_ms.c      2004-11-12 10:57:43.000000000 +0100
-+++ ppp-2.4.3/pppd/chap_ms.c   2004-11-21 13:54:09.000000000 +0100
-@@ -895,13 +895,17 @@
+--- a/pppd/chap_ms.c
++++ b/pppd/chap_ms.c
+@@ -897,13 +897,17 @@ set_mppe_enc_types(int policy, int types
      /*
       * Disable undesirable encryption types.  Note that we don't ENABLE
       * any encryption types, to avoid overriding manual configuration.
      /*
       * Disable undesirable encryption types.  Note that we don't ENABLE
       * any encryption types, to avoid overriding manual configuration.
@@ -1505,81 +1518,3 @@ diff -ruN ppp-2.4.3.orig/pppd/chap_ms.c ppp-2.4.3/pppd/chap_ms.c
            break;
        default:
            break;
            break;
        default:
            break;
-diff -ruN ppp-2.4.3.orig/pppd/pppd.8 ppp-2.4.3/pppd/pppd.8
---- ppp-2.4.3.orig/pppd/pppd.8 2004-11-13 13:22:49.000000000 +0100
-+++ ppp-2.4.3/pppd/pppd.8      2004-11-21 14:24:47.000000000 +0100
-@@ -622,9 +622,29 @@
- Enables the use of PPP multilink; this is an alias for the `multilink'
- option.  This option is currently only available under Linux.
- .TP
--.B mppe\-stateful
--Allow MPPE to use stateful mode.  Stateless mode is still attempted first.
--The default is to disallow stateful mode.  
-+.B mppc
-+Enables MPPC (Microsoft Point to Point Compression).  This is the default.
-+.TP
-+.B mppe \fIsubopt1[,subopt2[,subopt3[..]]]
-+Modify MPPE (Microsoft Point to Point Encryption) parameters. In order
-+for MPPE to successfully come up, you must have authenticated with either
-+MS-CHAP or MS-CHAPv2. By default MPPE is optional, it means that pppd will
-+not propose MPPE to the peer, but will negotiate MPPE if peer wants that.
-+You can change this using \fIrequired\fR suboption.
-+This option is presently only supported under Linux, and only if your
-+kernel has been configured to include MPPE support.
-+.IP
-+MPPE suboptions:
-+.br
-+\fIrequired\fR - require MPPE; disconnect if peer doesn't support it,
-+.br
-+\fIstateless\fR - try to negotiate stateless mode; default is stateful,
-+.br
-+\fIno40\fR - disable 40 bit keys,
-+.br
-+\fIno56\fR - disable 56 bit keys,
-+.br
-+\fIno128\fR - disable 128 bit keys
- .TP
- .B mpshortseq
- Enables the use of short (12-bit) sequence numbers in multilink
-@@ -757,17 +777,11 @@
- Disables the use of PPP multilink.  This option is currently only
- available under Linux.
- .TP
--.B nomppe
--Disables MPPE (Microsoft Point to Point Encryption).  This is the default.
--.TP
--.B nomppe\-40
--Disable 40-bit encryption with MPPE.
-+.B nomppc
-+Disables MPPC (Microsoft Point to Point Compression).
- .TP
--.B nomppe\-128
--Disable 128-bit encryption with MPPE.
--.TP
--.B nomppe\-stateful
--Disable MPPE stateful mode.  This is the default.
-+.B nomppe
-+Disables MPPE (Microsoft Point to Point Encryption).
- .TP
- .B nompshortseq
- Disables the use of short (12-bit) sequence numbers in the PPP
-@@ -948,19 +962,6 @@
- Require the peer to authenticate itself using CHAP [Challenge
- Handshake Authentication Protocol] authentication.
- .TP
--.B require\-mppe
--Require the use of MPPE (Microsoft Point to Point Encryption).  This
--option disables all other compression types.  This option enables
--both 40-bit and 128-bit encryption.  In order for MPPE to successfully
--come up, you must have authenticated with either MS\-CHAP or MS\-CHAPv2.
--This option is presently only supported under Linux, and only if your
--kernel has been configured to include MPPE support.
--.TP
--.B require\-mppe\-40
--Require the use of MPPE, with 40-bit encryption.
--.TP
--.B require\-mppe\-128
--Require the use of MPPE, with 128-bit encryption.
- .TP
- .B require\-mschap
- Require the peer to authenticate itself using MS\-CHAP [Microsoft Challenge
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