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Merge branch 'master' into ppp-new

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This commit is contained in:
Sylvain Rochet
2013-01-20 02:57:57 +01:00
parent de1375201f ff3bf6d7f5
commit 69b15c889d
11 changed files with 230 additions and 188 deletions
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2
src/core/dhcp.c
View File

@@ -1482,7 +1482,7 @@ decode_next:
LWIP_ASSERT("next pbuf was null", q);
options = (u8_t*)q->payload;
} else {
// We've run out of bytes, probably no end marker. Don't proceed.
/* We've run out of bytes, probably no end marker. Don't proceed. */
break;
}
}

24
src/core/dns.c
View File

@@ -573,9 +573,10 @@ dns_send(u8_t numdns, const char* name, u8_t id)
LWIP_ASSERT("dns server has no IP address set", !ip_addr_isany(&dns_servers[numdns]));
/* if here, we have either a new query or a retry on a previous query to process */
p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH +
p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH + 1 +
SIZEOF_DNS_QUERY, PBUF_RAM);
if (p != NULL) {
u16_t realloc_size;
LWIP_ASSERT("pbuf must be in one piece", p->next == NULL);
/* fill dns header */
hdr = (struct dns_hdr*)p->payload;
@@ -607,7 +608,9 @@ dns_send(u8_t numdns, const char* name, u8_t id)
SMEMCPY(query, &qry, SIZEOF_DNS_QUERY);
/* resize pbuf to the exact dns query */
pbuf_realloc(p, (u16_t)((query + SIZEOF_DNS_QUERY) - ((char*)(p->payload))));
realloc_size = (u16_t)((query + SIZEOF_DNS_QUERY) - ((char*)(p->payload)));
LWIP_ASSERT("p->tot_len >= realloc_size", p->tot_len >= realloc_size);
pbuf_realloc(p, realloc_size);
/* connect to the server for faster receiving */
udp_connect(dns_pcb, &dns_servers[numdns], DNS_SERVER_PORT);
@@ -860,12 +863,14 @@ memerr:
* Queues a new hostname to resolve and sends out a DNS query for that hostname
*
* @param name the hostname that is to be queried
* @param hostnamelen length of the hostname
* @param found a callback founction to be called on success, failure or timeout
* @param callback_arg argument to pass to the callback function
* @return @return a err_t return code.
*/
static err_t
dns_enqueue(const char *name, dns_found_callback found, void *callback_arg)
dns_enqueue(const char *name, size_t hostnamelen, dns_found_callback found,
void *callback_arg)
{
u8_t i;
u8_t lseq, lseqi;
@@ -910,7 +915,7 @@ dns_enqueue(const char *name, dns_found_callback found, void *callback_arg)
pEntry->seqno = dns_seqno++;
pEntry->found = found;
pEntry->arg = callback_arg;
namelen = LWIP_MIN(strlen(name), DNS_MAX_NAME_LENGTH-1);
namelen = LWIP_MIN(hostnamelen, DNS_MAX_NAME_LENGTH-1);
MEMCPY(pEntry->name, name, namelen);
pEntry->name[namelen] = 0;
@@ -945,13 +950,18 @@ dns_gethostbyname(const char *hostname, ip_addr_t *addr, dns_found_callback foun
void *callback_arg)
{
u32_t ipaddr;
size_t hostnamelen;
/* not initialized or no valid server yet, or invalid addr pointer
* or invalid hostname or invalid hostname length */
if ((dns_pcb == NULL) || (addr == NULL) ||
(!hostname) || (!hostname[0]) ||
(strlen(hostname) >= DNS_MAX_NAME_LENGTH)) {
(!hostname) || (!hostname[0])) {
return ERR_ARG;
}
hostnamelen = strlen(hostname);
if (hostnamelen >= DNS_MAX_NAME_LENGTH) {
return ERR_ARG;
}
#if LWIP_HAVE_LOOPIF
if (strcmp(hostname, "localhost")==0) {
@@ -972,7 +982,7 @@ dns_gethostbyname(const char *hostname, ip_addr_t *addr, dns_found_callback foun
}
/* queue query with specified callback */
return dns_enqueue(hostname, found, callback_arg);
return dns_enqueue(hostname, hostnamelen, found, callback_arg);
}
#endif /* LWIP_DNS */

3
src/core/init.c
View File

@@ -277,6 +277,9 @@
#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
#error "lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif
#if !MEMP_MEM_MALLOC && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
#error "lwip_sanity_check: WARNING: PBUF_POOL_BUFSIZE does not provide enough space for protocol headers. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif
#if !MEMP_MEM_MALLOC && (TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))))
#error "lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers). If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif

2
src/core/ipv4/ip4.c
View File

@@ -153,7 +153,7 @@ ip_route(ip_addr_t *dest)
static int
ip_canforward(struct pbuf *p)
{
u32_t addr = ip4_addr_get_u32(ip_current_dest_addr());
u32_t addr = htonl(ip4_addr_get_u32(ip_current_dest_addr()));
if (p->flags & PBUF_FLAG_LLBCAST) {
/* don't route link-layer broadcasts */

7
src/core/raw.c
View File

@@ -119,6 +119,9 @@ raw_input(struct pbuf *p, struct netif *inp)
{
/* receive callback function available? */
if (pcb->recv.ip4 != NULL) {
#ifndef LWIP_NOASSERT
void* old_payload = p->payload;
#endif
/* the receive callback function did not eat the packet? */
eaten = pcb->recv.ip4(pcb->recv_arg, pcb, p, ip_current_src_addr());
if (eaten != 0) {
@@ -132,6 +135,10 @@ raw_input(struct pbuf *p, struct netif *inp)
pcb->next = raw_pcbs;
raw_pcbs = pcb;
}
} else {
/* sanity-check that the receive callback did not alter the pbuf */
LWIP_ASSERT("raw pcb recv callback altered pbuf payload pointer without eating packet",
p->payload == old_payload);
}
}
/* no receive callback function was set for this raw PCB */

10
src/core/tcp_out.c
View File

@@ -845,8 +845,10 @@ err_t
tcp_send_empty_ack(struct tcp_pcb *pcb)
{
struct pbuf *p;
struct tcp_hdr *tcphdr;
u8_t optlen = 0;
#if LWIP_TCP_TIMESTAMPS || CHECKSUM_GEN_TCP
struct tcp_hdr *tcphdr;
#endif /* LWIP_TCP_TIMESTAMPS || CHECKSUM_GEN_TCP */
#if LWIP_TCP_TIMESTAMPS
if (pcb->flags & TF_TIMESTAMP) {
@@ -859,7 +861,9 @@ tcp_send_empty_ack(struct tcp_pcb *pcb)
LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: (ACK) could not allocate pbuf\n"));
return ERR_BUF;
}
#if LWIP_TCP_TIMESTAMPS || CHECKSUM_GEN_TCP
tcphdr = (struct tcp_hdr *)p->payload;
#endif /* LWIP_TCP_TIMESTAMPS || CHECKSUM_GEN_TCP */
LWIP_DEBUGF(TCP_OUTPUT_DEBUG,
("tcp_output: sending ACK for %"U32_F"\n", pcb->rcv_nxt));
/* remove ACK flags from the PCB, as we send an empty ACK now */
@@ -1373,7 +1377,9 @@ void
tcp_keepalive(struct tcp_pcb *pcb)
{
struct pbuf *p;
#if CHECKSUM_GEN_TCP
struct tcp_hdr *tcphdr;
#endif /* CHECKSUM_GEN_TCP */
LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: sending KEEPALIVE probe to "));
ipX_addr_debug_print(PCB_ISIPV6(pcb), TCP_DEBUG, &pcb->remote_ip);
@@ -1388,10 +1394,12 @@ tcp_keepalive(struct tcp_pcb *pcb)
("tcp_keepalive: could not allocate memory for pbuf\n"));
return;
}
#if CHECKSUM_GEN_TCP
tcphdr = (struct tcp_hdr *)p->payload;
tcphdr->chksum = ipX_chksum_pseudo(PCB_ISIPV6(pcb), p, IP_PROTO_TCP, p->tot_len,
&pcb->local_ip, &pcb->remote_ip);
#endif /* CHECKSUM_GEN_TCP */
TCP_STATS_INC(tcp.xmit);
/* Send output to IP */

18
src/core/udp.c
View File

@@ -509,7 +509,7 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
return udp_sendto(pcb, p, ipX_2_ip(&pcb->remote_ip), pcb->remote_port);
}
#if LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP
/** Same as udp_send() but with checksum
*/
err_t
@@ -520,7 +520,7 @@ udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p,
return udp_sendto_chksum(pcb, p, ipX_2_ip(&pcb->remote_ip), pcb->remote_port,
have_chksum, chksum);
}
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
/**
* Send data to a specified address using UDP.
@@ -543,7 +543,7 @@ err_t
udp_sendto(struct udp_pcb *pcb, struct pbuf *p,
ip_addr_t *dst_ip, u16_t dst_port)
{
#if LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP
return udp_sendto_chksum(pcb, p, dst_ip, dst_port, 0, 0);
}
@@ -552,7 +552,7 @@ err_t
udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
u16_t dst_port, u8_t have_chksum, u16_t chksum)
{
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
struct netif *netif;
ipX_addr_t *dst_ip_route = ip_2_ipX(dst_ip);
@@ -585,11 +585,11 @@ udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
UDP_STATS_INC(udp.rterr);
return ERR_RTE;
}
#if LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP
return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, have_chksum, chksum);
#else /* LWIP_CHECKSUM_ON_COPY */
#else /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
return udp_sendto_if(pcb, p, dst_ip, dst_port, netif);
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
}
/**
@@ -615,7 +615,7 @@ err_t
udp_sendto_if(struct udp_pcb *pcb, struct pbuf *p,
ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif)
{
#if LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP
return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, 0, 0);
}
@@ -625,7 +625,7 @@ udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
u16_t dst_port, struct netif *netif, u8_t have_chksum,
u16_t chksum)
{
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
struct udp_hdr *udphdr;
ip_addr_t *src_ip;
err_t err;