diff options
Diffstat (limited to 'package/ppp/patches/105-debian_demand.patch')
| -rw-r--r-- | package/ppp/patches/105-debian_demand.patch | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/package/ppp/patches/105-debian_demand.patch b/package/ppp/patches/105-debian_demand.patch deleted file mode 100644 index c278656..0000000 --- a/package/ppp/patches/105-debian_demand.patch +++ /dev/null @@ -1,172 +0,0 @@ ---- a/pppd/demand.c -+++ b/pppd/demand.c -@@ -36,6 +36,8 @@ - #include <errno.h> - #include <fcntl.h> - #include <netdb.h> -+#include <unistd.h> -+#include <syslog.h> - #include <sys/param.h> - #include <sys/types.h> - #include <sys/wait.h> -@@ -43,6 +45,8 @@ - #include <sys/resource.h> - #include <sys/stat.h> - #include <sys/socket.h> -+#include <netinet/in.h> -+#include <arpa/inet.h> - #ifdef PPP_FILTER - #include <pcap-bpf.h> - #endif -@@ -221,6 +225,14 @@ loop_chars(p, n) - int c, rv; - - rv = 0; -+ -+/* check for synchronous connection... */ -+ -+ if ( (p[0] == 0xFF) && (p[1] == 0x03) ) { -+ rv = loop_frame(p,n); -+ return rv; -+ } -+ - for (; n > 0; --n) { - c = *p++; - if (c == PPP_FLAG) { -@@ -299,17 +311,102 @@ loop_frame(frame, len) - * loopback, now that the real serial link is up. - */ - void --demand_rexmit(proto) -+demand_rexmit(proto, newip) - int proto; -+ u_int32_t newip; - { - struct packet *pkt, *prev, *nextpkt; -+ unsigned short checksum; -+ unsigned short pkt_checksum = 0; -+ unsigned iphdr; -+ struct timeval tv; -+ char cv = 0; -+ char ipstr[16]; - - prev = NULL; - pkt = pend_q; - pend_q = NULL; -+ tv.tv_sec = 1; -+ tv.tv_usec = 0; -+ select(0,NULL,NULL,NULL,&tv); /* Sleep for 1 Seconds */ - for (; pkt != NULL; pkt = nextpkt) { - nextpkt = pkt->next; - if (PPP_PROTOCOL(pkt->data) == proto) { -+ if ( (proto == PPP_IP) && newip ) { -+ /* Get old checksum */ -+ -+ iphdr = (pkt->data[4] & 15) << 2; -+ checksum = *((unsigned short *) (pkt->data+14)); -+ if (checksum == 0xFFFF) { -+ checksum = 0; -+ } -+ -+ -+ if (pkt->data[13] == 17) { -+ pkt_checksum = *((unsigned short *) (pkt->data+10+iphdr)); -+ if (pkt_checksum) { -+ cv = 1; -+ if (pkt_checksum == 0xFFFF) { -+ pkt_checksum = 0; -+ } -+ } -+ else { -+ cv = 0; -+ } -+ } -+ -+ if (pkt->data[13] == 6) { -+ pkt_checksum = *((unsigned short *) (pkt->data+20+iphdr)); -+ cv = 1; -+ if (pkt_checksum == 0xFFFF) { -+ pkt_checksum = 0; -+ } -+ } -+ -+ /* Delete old Source-IP-Address */ -+ checksum -= *((unsigned short *) (pkt->data+16)) ^ 0xFFFF; -+ checksum -= *((unsigned short *) (pkt->data+18)) ^ 0xFFFF; -+ -+ pkt_checksum -= *((unsigned short *) (pkt->data+16)) ^ 0xFFFF; -+ pkt_checksum -= *((unsigned short *) (pkt->data+18)) ^ 0xFFFF; -+ -+ /* Change Source-IP-Address */ -+ * ((u_int32_t *) (pkt->data + 16)) = newip; -+ -+ /* Add new Source-IP-Address */ -+ checksum += *((unsigned short *) (pkt->data+16)) ^ 0xFFFF; -+ checksum += *((unsigned short *) (pkt->data+18)) ^ 0xFFFF; -+ -+ pkt_checksum += *((unsigned short *) (pkt->data+16)) ^ 0xFFFF; -+ pkt_checksum += *((unsigned short *) (pkt->data+18)) ^ 0xFFFF; -+ -+ /* Write new checksum */ -+ if (!checksum) { -+ checksum = 0xFFFF; -+ } -+ *((unsigned short *) (pkt->data+14)) = checksum; -+ if (pkt->data[13] == 6) { -+ *((unsigned short *) (pkt->data+20+iphdr)) = pkt_checksum; -+ } -+ if (cv && (pkt->data[13] == 17) ) { -+ *((unsigned short *) (pkt->data+10+iphdr)) = pkt_checksum; -+ } -+ -+ /* Log Packet */ -+ strcpy(ipstr,inet_ntoa(*( (struct in_addr *) (pkt->data+16)))); -+ if (pkt->data[13] == 1) { -+ syslog(LOG_INFO,"Open ICMP %s -> %s\n", -+ ipstr, -+ inet_ntoa(*( (struct in_addr *) (pkt->data+20)))); -+ } else { -+ syslog(LOG_INFO,"Open %s %s:%d -> %s:%d\n", -+ pkt->data[13] == 6 ? "TCP" : "UDP", -+ ipstr, -+ ntohs(*( (short *) (pkt->data+iphdr+4))), -+ inet_ntoa(*( (struct in_addr *) (pkt->data+20))), -+ ntohs(*( (short *) (pkt->data+iphdr+6)))); -+ } -+ } - output(0, pkt->data, pkt->length); - free(pkt); - } else { ---- a/pppd/ipcp.c -+++ b/pppd/ipcp.c -@@ -1864,7 +1864,7 @@ ipcp_up(f) - proxy_arp_set[f->unit] = 1; - - } -- demand_rexmit(PPP_IP); -+ demand_rexmit(PPP_IP,go->ouraddr); - sifnpmode(f->unit, PPP_IP, NPMODE_PASS); - - } else { ---- a/pppd/ipv6cp.c -+++ b/pppd/ipv6cp.c -@@ -1232,7 +1232,7 @@ ipv6cp_up(f) - } - - } -- demand_rexmit(PPP_IPV6); -+ demand_rexmit(PPP_IPV6,0); - sifnpmode(f->unit, PPP_IPV6, NPMODE_PASS); - - } else { ---- a/pppd/pppd.h -+++ b/pppd/pppd.h -@@ -566,7 +566,7 @@ void demand_conf __P((void)); /* config - void demand_block __P((void)); /* set all NPs to queue up packets */ - void demand_unblock __P((void)); /* set all NPs to pass packets */ - void demand_discard __P((void)); /* set all NPs to discard packets */ --void demand_rexmit __P((int)); /* retransmit saved frames for an NP */ -+void demand_rexmit __P((int, u_int32_t)); /* retransmit saved frames for an NP*/ - int loop_chars __P((unsigned char *, int)); /* process chars from loopback */ - int loop_frame __P((unsigned char *, int)); /* should we bring link up? */ - |