Refactored all the sprintf to use snprintf instead. (#628)
This commit is contained in:
+97
-92
@@ -58,8 +58,10 @@ LOG_MODULE_DECLARE(bacnet, CONFIG_BACNETSTACK_LOG_LEVEL);
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#define THIS_FILE "bip6-init.c"
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#if (MAX_MAC_LEN < BIP6_ADDRESS_MAX) /* Make sure an 18 byte address can be stored */
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#error "BACNET_ADDRESS.mac (bacdef.h) is not large enough to store an IPv6 address."
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#if (MAX_MAC_LEN < BIP6_ADDRESS_MAX) /* Make sure an 18 byte address can be \
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stored */
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#error \
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"BACNET_ADDRESS.mac (bacdef.h) is not large enough to store an IPv6 address."
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#endif
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/* zephyr socket */
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@@ -77,48 +79,45 @@ static struct in6_addr BIP6_Multicast_Addr;
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/* Used by inet6_ntoa */
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#if CONFIG_BACNETSTACK_LOG_LEVEL
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static char ipv6_addr_str[42]={0};
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static char ipv6_addr_str[42] = { 0 };
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#else
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static char ipv6_addr_str[]="";
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static char ipv6_addr_str[] = "";
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#endif
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/**
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* @brief Return a string representation of an IPv6 address
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* @param a - IPv6 address
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* @return Pointer to global string
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*/
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static char* inet6_ntoa(struct in6_addr *a)
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* @brief Return a string representation of an IPv6 address
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* @param a - IPv6 address
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* @return Pointer to global string
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*/
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static char *inet6_ntoa(struct in6_addr *a)
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{
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#if CONFIG_BACNETSTACK_LOG_LEVEL
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uint8_t x=0;
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uint8_t d=0;
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#if CONFIG_BACNETSTACK_LOG_LEVEL
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uint8_t x = 0;
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uint8_t d = 0;
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uint8_t non_zero_count = 0;
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/* Avoid overwhelming the logging system */
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while(log_buffered_cnt())
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{
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while (log_buffered_cnt()) {
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k_sleep(K_MSEC(1));
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}
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for(x=0; x<IP6_ADDRESS_MAX; x+=2)
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{
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if(a->s6_addr[x] | a->s6_addr[x+1])
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{
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for (x = 0; x < IP6_ADDRESS_MAX; x += 2) {
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if (a->s6_addr[x] | a->s6_addr[x + 1]) {
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non_zero_count++;
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d+=sprintf(&ipv6_addr_str[d], "%02X%02X", a->s6_addr[x], a->s6_addr[x+1]);
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d += snprintf(
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&ipv6_addr_str[d], sizeof(ipv6_addr_str), "%02X%02X",
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a->s6_addr[x], a->s6_addr[x + 1]);
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}
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if(x<14)
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{
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d+=sprintf(&ipv6_addr_str[d], ":");
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if (x < 14) {
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d += snprintf(&ipv6_addr_str[d], sizeof(ipv6_addr_str), ":");
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}
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}
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if(!non_zero_count)
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{
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sprintf(&ipv6_addr_str[0], "undefined");
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if (!non_zero_count) {
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snprintf(&ipv6_addr_str[0], sizeof(ipv6_addr_str), "undefined");
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}
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#endif
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#endif
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return &ipv6_addr_str[0];
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}
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@@ -179,7 +178,7 @@ void bip6_get_broadcast_address(BACNET_ADDRESS *dest)
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if (dest) {
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dest->mac_len = BIP6_ADDRESS_MAX;
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memcpy(&dest->mac[0], &BIP6_Multicast_Addr.s6_addr, IP6_ADDRESS_MAX);
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memcpy(&dest->mac[IP6_ADDRESS_MAX], &BIP6_Port, sizeof(BIP6_Port) );
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memcpy(&dest->mac[IP6_ADDRESS_MAX], &BIP6_Port, sizeof(BIP6_Port));
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memset(&dest->adr, 0, sizeof(dest->adr));
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dest->net = BACNET_BROADCAST_NETWORK;
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dest->len = 0;
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@@ -225,7 +224,8 @@ bool bip6_get_addr(BACNET_IP6_ADDRESS *addr)
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bool bip6_set_broadcast_addr(BACNET_IP6_ADDRESS *addr)
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{
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if (addr) {
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memcpy(&BIP6_Multicast_Addr.s6_addr, &addr->address[0], IP6_ADDRESS_MAX);
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memcpy(
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&BIP6_Multicast_Addr.s6_addr, &addr->address[0], IP6_ADDRESS_MAX);
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return true;
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}
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return false;
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@@ -239,7 +239,8 @@ bool bip6_set_broadcast_addr(BACNET_IP6_ADDRESS *addr)
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bool bip6_get_broadcast_addr(BACNET_IP6_ADDRESS *addr)
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{
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if (addr) {
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memcpy(&addr->address[0], &BIP6_Multicast_Addr.s6_addr, IP6_ADDRESS_MAX);
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memcpy(
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&addr->address[0], &BIP6_Multicast_Addr.s6_addr, IP6_ADDRESS_MAX);
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addr->port = ntohs(BIP6_Port);
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return true;
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}
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@@ -293,8 +294,9 @@ int bip6_send_mpdu(BACNET_IP6_ADDRESS *dest, uint8_t *mtu, uint16_t mtu_len)
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bip6_dest.sin6_port = htons(dest->port);
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/* Send the packet */
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return zsock_sendto(BIP6_Socket, (char *)mtu, mtu_len, 0,
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(struct sockaddr *)&bip6_dest, sizeof(struct sockaddr));
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return zsock_sendto(
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BIP6_Socket, (char *)mtu, mtu_len, 0, (struct sockaddr *)&bip6_dest,
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sizeof(struct sockaddr));
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}
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uint16_t bip6_receive(
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@@ -334,17 +336,18 @@ uint16_t bip6_receive(
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/* see if there is a packet for us */
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if (zsock_select(max + 1, &read_fds, NULL, NULL, &select_timeout) > 0) {
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received_bytes = zsock_recvfrom(BIP6_Socket, (char *)&npdu[0], max_npdu,
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0, (struct sockaddr *)&sin, &sin_len);
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}
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else
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{
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received_bytes = zsock_recvfrom(
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BIP6_Socket, (char *)&npdu[0], max_npdu, 0, (struct sockaddr *)&sin,
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&sin_len);
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} else {
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return 0;
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}
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/* See if there is a problem */
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if (received_bytes < 0) {
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LOG_WRN("%s:%d - RX zsock_recvfrom() error: %d", THIS_FILE, __LINE__, received_bytes);
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LOG_WRN(
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"%s:%d - RX zsock_recvfrom() error: %d", THIS_FILE, __LINE__,
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received_bytes);
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return 0;
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}
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/* no problem, just no bytes */
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@@ -382,7 +385,8 @@ uint16_t bip6_receive(
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return npdu_len;
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}
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int bip6_send_pdu(BACNET_ADDRESS *dest,
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int bip6_send_pdu(
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BACNET_ADDRESS *dest,
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BACNET_NPDU_DATA *npdu_data,
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uint8_t *pdu,
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unsigned pdu_len)
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@@ -395,10 +399,10 @@ void bip6_set_interface(char *ifname)
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{
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struct net_if *interface = 0;
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int index = -1;
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int x=0;
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int x = 0;
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BACNET_IP6_ADDRESS unicast = {0};
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BACNET_IP6_ADDRESS multicast = {0};
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BACNET_IP6_ADDRESS unicast = { 0 };
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BACNET_IP6_ADDRESS multicast = { 0 };
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unicast.port = BIP6_Port;
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multicast.port = BIP6_Port;
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@@ -406,81 +410,84 @@ void bip6_set_interface(char *ifname)
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LOG_INF("bip6_set_interface()");
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LOG_INF("UDP port: %d", ntohs(BIP6_Port));
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if(ifname)
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{
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if (ifname) {
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index = atoi(ifname);
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/* if index is zero, discern between "0" and a parse error */
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if(!index && strcmp(ifname,"0"))
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{
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LOG_ERR("%s:%d - Argument must parse to an integer", THIS_FILE, __LINE__);
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}
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else
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{
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if (!index && strcmp(ifname, "0")) {
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LOG_ERR(
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"%s:%d - Argument must parse to an integer", THIS_FILE,
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__LINE__);
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} else {
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interface = net_if_get_by_index(index);
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if(interface)
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{
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if (interface) {
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LOG_INF("Using interface %d", index);
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}
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else
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{
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LOG_ERR("%s:%d - No interface at index %d", THIS_FILE, __LINE__, index);
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} else {
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LOG_ERR(
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"%s:%d - No interface at index %d", THIS_FILE, __LINE__,
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index);
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}
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}
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}
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if(index == -1)
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{
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LOG_WRN("%s:%d - No valid interface specified - using default ",THIS_FILE, __LINE__);
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if (index == -1) {
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LOG_WRN(
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"%s:%d - No valid interface specified - using default ", THIS_FILE,
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__LINE__);
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interface = net_if_get_default();
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}
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if(interface)
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{
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if (interface) {
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LOG_INF("Interface set - Configured addresses:");
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for(x=0; x<NET_IF_MAX_IPV6_ADDR; x++)
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{
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inet6_ntoa(&interface->config.ip.ipv6->unicast[x].address.in6_addr );
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for (x = 0; x < NET_IF_MAX_IPV6_ADDR; x++) {
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inet6_ntoa(&interface->config.ip.ipv6->unicast[x].address.in6_addr);
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LOG_INF(" unicast[%d]: %s", x, ipv6_addr_str);
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}
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for(x=0; x<NET_IF_MAX_IPV6_MADDR; x++)
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{
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inet6_ntoa(&interface->config.ip.ipv6->mcast[x].address.in6_addr );
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for (x = 0; x < NET_IF_MAX_IPV6_MADDR; x++) {
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inet6_ntoa(&interface->config.ip.ipv6->mcast[x].address.in6_addr);
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LOG_INF(" multicast[%d]: %s", x, ipv6_addr_str);
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}
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if(CONFIG_BACDL_BIP6_ADDRESS_INDEX >= NET_IF_MAX_IPV6_ADDR)
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{
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LOG_ERR("%s:%d - IPv6 address index of %d is out of range (0-%d)", THIS_FILE,
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__LINE__, CONFIG_BACDL_BIP6_ADDRESS_INDEX, NET_IF_MAX_IPV6_ADDR-1);
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if (CONFIG_BACDL_BIP6_ADDRESS_INDEX >= NET_IF_MAX_IPV6_ADDR) {
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LOG_ERR(
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"%s:%d - IPv6 address index of %d is out of range (0-%d)",
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THIS_FILE, __LINE__, CONFIG_BACDL_BIP6_ADDRESS_INDEX,
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NET_IF_MAX_IPV6_ADDR - 1);
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return;
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}
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LOG_INF("Using IPv6 address at index %d", CONFIG_BACDL_BIP6_ADDRESS_INDEX);
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LOG_INF(
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"Using IPv6 address at index %d", CONFIG_BACDL_BIP6_ADDRESS_INDEX);
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memcpy(&unicast.address, &interface->config.ip.ipv6->unicast
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[CONFIG_BACDL_BIP6_ADDRESS_INDEX].address.in6_addr, IP6_ADDRESS_MAX);
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memcpy(
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&unicast.address,
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&interface->config.ip.ipv6->unicast[CONFIG_BACDL_BIP6_ADDRESS_INDEX]
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.address.in6_addr,
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IP6_ADDRESS_MAX);
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if(net_addr_pton(AF_INET6, CONFIG_BACDL_BIP6_MCAST_ADDRESS, &multicast.address))
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{
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LOG_ERR("%s:%d - Failed to parse IPv6 multicast address: %s", THIS_FILE, __LINE__, CONFIG_BACDL_BIP6_MCAST_ADDRESS);
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if (net_addr_pton(
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AF_INET6, CONFIG_BACDL_BIP6_MCAST_ADDRESS,
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&multicast.address)) {
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LOG_ERR(
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"%s:%d - Failed to parse IPv6 multicast address: %s", THIS_FILE,
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__LINE__, CONFIG_BACDL_BIP6_MCAST_ADDRESS);
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}
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bip6_set_addr(&unicast);
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bip6_set_broadcast_addr(&multicast);
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LOG_INF(" Unicast: %s", inet6_ntoa((struct in6_addr*)&unicast.address));
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LOG_INF(" Multicast: %s", inet6_ntoa((struct in6_addr*)&multicast.address));
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}
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else
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{
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LOG_INF(
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" Unicast: %s", inet6_ntoa((struct in6_addr *)&unicast.address));
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LOG_INF(
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" Multicast: %s",
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inet6_ntoa((struct in6_addr *)&multicast.address));
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} else {
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LOG_ERR("%s:%d - Failed to set interface", THIS_FILE, __LINE__);
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}
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}
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bool bip6_init(char *ifname)
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{
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LOG_INF("bip6_init()");
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@@ -493,19 +500,19 @@ bool bip6_init(char *ifname)
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bip6_set_interface(ifname);
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if (BIP6_Address.s6_addr == 0) {
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LOG_ERR("%s:%d - Failed to get an IPv6 address on interface: %s\n", THIS_FILE, __LINE__, ifname ? ifname : "[default]");
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LOG_ERR(
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"%s:%d - Failed to get an IPv6 address on interface: %s\n",
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THIS_FILE, __LINE__, ifname ? ifname : "[default]");
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return false;
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}
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/* assumes that the driver has already been initialized */
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sock_fd = zsock_socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
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BIP6_Socket = sock_fd;
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if (sock_fd < 0) {
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if (sock_fd < 0) {
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LOG_ERR("%s:%d - Failed to create socket", THIS_FILE, __LINE__);
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return false;
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}
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else
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{
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} else {
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LOG_INF("Socket created");
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}
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@@ -526,16 +533,14 @@ bool bip6_init(char *ifname)
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LOG_INF("Binding to port %d", ntohs(BIP6_Port));
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status =
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zsock_bind(sock_fd, (const struct sockaddr*)&sin6, sizeof(struct sockaddr));
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status = zsock_bind(
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sock_fd, (const struct sockaddr *)&sin6, sizeof(struct sockaddr));
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if (status < 0) {
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zsock_close(sock_fd);
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BIP6_Socket = -1;
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LOG_ERR("%s:%d - zsock_bind() failure", THIS_FILE, __LINE__);
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return false;
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}
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else
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{
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} else {
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LOG_INF("Socket bound");
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}
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