diff options
| -rw-r--r-- | package/network/services/ppp/Makefile | 4 | ||||
| -rwxr-xr-x | package/network/services/ppp/files/ppp.sh | 6 | ||||
| -rw-r--r-- | package/network/services/ppp/patches/520-uniq.patch | 188 |
3 files changed, 149 insertions, 49 deletions
diff --git a/package/network/services/ppp/Makefile b/package/network/services/ppp/Makefile index efb0a76..e9b806d 100644 --- a/package/network/services/ppp/Makefile +++ b/package/network/services/ppp/Makefile @@ -1,5 +1,5 @@ # -# Copyright (C) 2006-2014 OpenWrt.org +# Copyright (C) 2006-2015 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. @@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=ppp PKG_VERSION:=2.4.7 -PKG_RELEASE:=4 +PKG_RELEASE:=5 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=ftp://ftp.samba.org/pub/ppp/ diff --git a/package/network/services/ppp/files/ppp.sh b/package/network/services/ppp/files/ppp.sh index df404dd..ba3b412 100755 --- a/package/network/services/ppp/files/ppp.sh +++ b/package/network/services/ppp/files/ppp.sh @@ -113,7 +113,7 @@ proto_pppoe_init_config() { ppp_generic_init_config proto_config_add_string "ac" proto_config_add_string "service" - proto_config_add_string host_uniq + proto_config_add_string "host_uniq" } proto_pppoe_setup() { @@ -135,8 +135,8 @@ proto_pppoe_setup() { plugin rp-pppoe.so \ ${ac:+rp_pppoe_ac "$ac"} \ ${service:+rp_pppoe_service "$service"} \ - "nic-$iface" \ - ${host_uniq:+host-uniq "$host_uniq"} + ${host_uniq:+host-uniq "$host_uniq"} \ + "nic-$iface" } proto_pppoe_teardown() { diff --git a/package/network/services/ppp/patches/520-uniq.patch b/package/network/services/ppp/patches/520-uniq.patch index cbafe4c..54c0d62 100644 --- a/package/network/services/ppp/patches/520-uniq.patch +++ b/package/network/services/ppp/patches/520-uniq.patch @@ -1,20 +1,21 @@ --- a/pppd/plugins/rp-pppoe/common.c +++ b/pppd/plugins/rp-pppoe/common.c -@@ -121,13 +121,13 @@ sendPADT(PPPoEConnection *conn, char con +@@ -119,15 +119,11 @@ sendPADT(PPPoEConnection *conn, char con + conn->session = 0; + /* If we're using Host-Uniq, copy it over */ - if (conn->useHostUniq) { - PPPoETag hostUniq; +- if (conn->useHostUniq) { +- PPPoETag hostUniq; - pid_t pid = getpid(); -+ int len = strlen(conn->useHostUniq); - hostUniq.type = htons(TAG_HOST_UNIQ); +- hostUniq.type = htons(TAG_HOST_UNIQ); - hostUniq.length = htons(sizeof(pid)); - memcpy(hostUniq.payload, &pid, sizeof(pid)); - memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE); - cursor += sizeof(pid) + TAG_HDR_SIZE; - plen += sizeof(pid) + TAG_HDR_SIZE; -+ hostUniq.length = htons(len); -+ memcpy(hostUniq.payload, conn->useHostUniq, len); -+ memcpy(cursor, &hostUniq, len + TAG_HDR_SIZE); ++ if (conn->hostUniq.length) { ++ int len = ntohs(conn->hostUniq.length); ++ memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE); + cursor += len + TAG_HDR_SIZE; + plen += len + TAG_HDR_SIZE; } @@ -22,65 +23,86 @@ /* Copy error message */ --- a/pppd/plugins/rp-pppoe/discovery.c +++ b/pppd/plugins/rp-pppoe/discovery.c -@@ -104,7 +104,7 @@ parseForHostUniq(UINT16_t type, UINT16_t +@@ -80,13 +80,10 @@ static void + parseForHostUniq(UINT16_t type, UINT16_t len, unsigned char *data, + void *extra) + { +- int *val = (int *) extra; +- if (type == TAG_HOST_UNIQ && len == sizeof(pid_t)) { +- pid_t tmp; +- memcpy(&tmp, data, len); +- if (tmp == getpid()) { +- *val = 1; +- } ++ PPPoETag *tag = extra; ++ ++ if (type == TAG_HOST_UNIQ && len == ntohs(tag->length)) { ++ tag->length = memcmp(data, tag->payload, len); + } + } + +@@ -104,16 +101,16 @@ parseForHostUniq(UINT16_t type, UINT16_t static int packetIsForMe(PPPoEConnection *conn, PPPoEPacket *packet) { - int forMe = 0; -+ char *uniq = conn->useHostUniq; ++ PPPoETag hostUniq = conn->hostUniq; /* If packet is not directed to our MAC address, forget it */ if (memcmp(packet->ethHdr.h_dest, conn->myEth, ETH_ALEN)) return 0; -@@ -112,8 +112,8 @@ packetIsForMe(PPPoEConnection *conn, PPP + /* If we're not using the Host-Unique tag, then accept the packet */ - if (!conn->useHostUniq) return 1; +- if (!conn->useHostUniq) return 1; ++ if (!conn->hostUniq.length) return 1; - parsePacket(packet, parseForHostUniq, &forMe); - return forMe; -+ parsePacket(packet, parseForHostUniq, &uniq); -+ return uniq != 0; ++ parsePacket(packet, parseForHostUniq, &hostUniq); ++ return (hostUniq.length == 0); } /********************************************************************** -@@ -303,14 +303,14 @@ sendPADI(PPPoEConnection *conn) +@@ -301,16 +298,12 @@ sendPADI(PPPoEConnection *conn) + } + /* If we're using Host-Uniq, copy it over */ - if (conn->useHostUniq) { - PPPoETag hostUniq; +- if (conn->useHostUniq) { +- PPPoETag hostUniq; - pid_t pid = getpid(); -+ int len = strlen(conn->useHostUniq); - hostUniq.type = htons(TAG_HOST_UNIQ); +- hostUniq.type = htons(TAG_HOST_UNIQ); - hostUniq.length = htons(sizeof(pid)); - memcpy(hostUniq.payload, &pid, sizeof(pid)); - CHECK_ROOM(cursor, packet.payload, sizeof(pid) + TAG_HDR_SIZE); - memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE); - cursor += sizeof(pid) + TAG_HDR_SIZE; - plen += sizeof(pid) + TAG_HDR_SIZE; -+ hostUniq.length = htons(len); -+ memcpy(hostUniq.payload, conn->useHostUniq, len); ++ if (conn->hostUniq.length) { ++ int len = ntohs(conn->hostUniq.length); + CHECK_ROOM(cursor, packet.payload, len + TAG_HDR_SIZE); -+ memcpy(cursor, &hostUniq, len + TAG_HDR_SIZE); ++ memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE); + cursor += len + TAG_HDR_SIZE; + plen += len + TAG_HDR_SIZE; } /* Add our maximum MTU/MRU */ -@@ -480,14 +480,14 @@ sendPADR(PPPoEConnection *conn) +@@ -478,16 +471,12 @@ sendPADR(PPPoEConnection *conn) + cursor += namelen + TAG_HDR_SIZE; + /* If we're using Host-Uniq, copy it over */ - if (conn->useHostUniq) { - PPPoETag hostUniq; +- if (conn->useHostUniq) { +- PPPoETag hostUniq; - pid_t pid = getpid(); -+ int len = strlen(conn->useHostUniq); - hostUniq.type = htons(TAG_HOST_UNIQ); +- hostUniq.type = htons(TAG_HOST_UNIQ); - hostUniq.length = htons(sizeof(pid)); - memcpy(hostUniq.payload, &pid, sizeof(pid)); - CHECK_ROOM(cursor, packet.payload, sizeof(pid)+TAG_HDR_SIZE); - memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE); - cursor += sizeof(pid) + TAG_HDR_SIZE; - plen += sizeof(pid) + TAG_HDR_SIZE; -+ hostUniq.length = htons(len); -+ memcpy(hostUniq.payload, conn->useHostUniq, len); ++ if (conn->hostUniq.length) { ++ int len = ntohs(conn->hostUniq.length); + CHECK_ROOM(cursor, packet.payload, len+TAG_HDR_SIZE); -+ memcpy(cursor, &hostUniq, len + TAG_HDR_SIZE); ++ memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE); + cursor += len + TAG_HDR_SIZE; + plen += len + TAG_HDR_SIZE; } @@ -105,28 +127,59 @@ { NULL } }; int (*OldDevnameHook)(char *cmd, char **argv, int doit) = NULL; -@@ -107,7 +110,7 @@ PPPOEInitDevice(void) +@@ -107,7 +110,6 @@ PPPOEInitDevice(void) conn->ifName = devnam; conn->discoverySocket = -1; conn->sessionSocket = -1; - conn->useHostUniq = 1; -+ conn->useHostUniq = NULL; conn->printACNames = printACNames; conn->discoveryTimeout = PADI_TIMEOUT; return 1; -@@ -163,6 +166,9 @@ PPPOEConnectDevice(void) +@@ -163,6 +165,9 @@ PPPOEConnectDevice(void) if (lcp_wantoptions[0].mru > ifr.ifr_mtu - TOTAL_OVERHEAD) lcp_wantoptions[0].mru = ifr.ifr_mtu - TOTAL_OVERHEAD; -+ if(host_uniq) -+ conn->useHostUniq = host_uniq; ++ if (host_uniq && !parseHostUniq(host_uniq, &conn->hostUniq)) ++ fatal("Illegal value for host-uniq option"); + conn->acName = acName; conn->serviceName = pppd_pppoe_service; strlcpy(ppp_devnam, devnam, sizeof(ppp_devnam)); --- a/pppd/plugins/rp-pppoe/pppoe-discovery.c +++ b/pppd/plugins/rp-pppoe/pppoe-discovery.c -@@ -641,7 +641,7 @@ int main(int argc, char *argv[]) +@@ -344,7 +344,7 @@ packetIsForMe(PPPoEConnection *conn, PPP + if (memcmp(packet->ethHdr.h_dest, conn->myEth, ETH_ALEN)) return 0; + + /* If we're not using the Host-Unique tag, then accept the packet */ +- if (!conn->useHostUniq) return 1; ++ if (!conn->hostUniq.length) return 1; + + parsePacket(packet, parseForHostUniq, &forMe); + return forMe; +@@ -470,16 +470,12 @@ sendPADI(PPPoEConnection *conn) + cursor += namelen + TAG_HDR_SIZE; + + /* If we're using Host-Uniq, copy it over */ +- if (conn->useHostUniq) { +- PPPoETag hostUniq; +- pid_t pid = getpid(); +- hostUniq.type = htons(TAG_HOST_UNIQ); +- hostUniq.length = htons(sizeof(pid)); +- memcpy(hostUniq.payload, &pid, sizeof(pid)); +- CHECK_ROOM(cursor, packet.payload, sizeof(pid) + TAG_HDR_SIZE); +- memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE); +- cursor += sizeof(pid) + TAG_HDR_SIZE; +- plen += sizeof(pid) + TAG_HDR_SIZE; ++ if (conn->hostUniq.length) { ++ int len = ntohs(conn->hostUniq.length); ++ CHECK_ROOM(cursor, packet.payload, len + TAG_HDR_SIZE); ++ memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE); ++ cursor += len + TAG_HDR_SIZE; ++ plen += len + TAG_HDR_SIZE; + } + + packet.length = htons(plen); +@@ -641,7 +637,7 @@ int main(int argc, char *argv[]) memset(conn, 0, sizeof(PPPoEConnection)); @@ -135,35 +188,82 @@ switch(opt) { case 'S': conn->serviceName = xstrdup(optarg); -@@ -650,7 +650,19 @@ int main(int argc, char *argv[]) +@@ -650,7 +646,23 @@ int main(int argc, char *argv[]) conn->acName = xstrdup(optarg); break; case 'U': - conn->useHostUniq = 1; -+ if(conn->useHostUniq) { ++ if(conn->hostUniq.length) { + fprintf(stderr, "-U and -W are mutually exclusive\n"); + exit(EXIT_FAILURE); + } -+ conn->useHostUniq = malloc(12); -+ snprintf(conn->useHostUniq, 12, "%d", getpid()); ++ char pidbuf[5]; ++ snprintf(pidbuf, sizeof(pidbuf), "%04x", getpid()); ++ parseHostUniq(pidbuf, &conn->hostUniq); + break; + case 'W': -+ if(conn->useHostUniq) { ++ if(conn->hostUniq.length) { + fprintf(stderr, "-U and -W are mutually exclusive\n"); + exit(EXIT_FAILURE); + } -+ conn->useHostUniq = xstrdup(optarg); ++ if (!parseHostUniq(optarg, &conn->hostUniq)) { ++ fprintf(stderr, "Invalid host-uniq argument: %s\n", optarg); ++ exit(EXIT_FAILURE); ++ } break; case 'D': conn->debugFile = fopen(optarg, "w"); --- a/pppd/plugins/rp-pppoe/pppoe.h +++ b/pppd/plugins/rp-pppoe/pppoe.h -@@ -224,7 +224,7 @@ typedef struct PPPoEConnectionStruct { +@@ -21,6 +21,8 @@ + + #include <stdio.h> /* For FILE */ + #include <sys/types.h> /* For pid_t */ ++#include <ctype.h> ++#include <string.h> + + /* How do we access raw Ethernet devices? */ + #undef USE_LINUX_PACKET +@@ -224,7 +226,7 @@ typedef struct PPPoEConnectionStruct { char *serviceName; /* Desired service name, if any */ char *acName; /* Desired AC name, if any */ int synchronous; /* Use synchronous PPP */ - int useHostUniq; /* Use Host-Uniq tag */ -+ char *useHostUniq; /* Use Host-Uniq tag */ ++ PPPoETag hostUniq; /* Use Host-Uniq tag */ int printACNames; /* Just print AC names */ FILE *debugFile; /* Debug file for dumping packets */ int numPADOs; /* Number of PADO packets received */ +@@ -280,6 +282,33 @@ void pppoe_printpkt(PPPoEPacket *packet, + void (*printer)(void *, char *, ...), void *arg); + void pppoe_log_packet(const char *prefix, PPPoEPacket *packet); + ++static inline int parseHostUniq(const char *uniq, PPPoETag *tag) ++{ ++ int i, len = strlen(uniq); ++ ++#define hex(x) \ ++ (((x) <= '9') ? ((x) - '0') : \ ++ (((x) <= 'F') ? ((x) - 'A' + 10) : \ ++ ((x) - 'a' + 10))) ++ ++ if (len % 2) ++ return 0; ++ ++ for (i = 0; i < len; i += 2) ++ { ++ if (!isxdigit(uniq[i]) || !isxdigit(uniq[i+1])) ++ return 0; ++ ++ tag->payload[i / 2] = (char)(16 * hex(uniq[i]) + hex(uniq[i+1])); ++ } ++ ++#undef hex ++ ++ tag->type = htons(TAG_HOST_UNIQ); ++ tag->length = htons(len / 2); ++ return 1; ++} ++ + #define SET_STRING(var, val) do { if (var) free(var); var = strDup(val); } while(0); + + #define CHECK_ROOM(cursor, start, len) \ |