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add ipv6 address support.

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master
aozima 8 years ago
parent 4c493c90b4
commit a3a41012ef
2 changed files with 128 additions and 89 deletions
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160
webclient.c
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@ -1,6 +1,6 @@
/* /*
* File : webclient.c * File : webclient.c
* COPYRIGHT (C) 2012-2013, Shanghai Real-Thread Technology Co., Ltd * COPYRIGHT (C) 2011-2018, Shanghai Real-Thread Technology Co., Ltd
* *
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
@ -8,14 +8,20 @@
* 2013-06-10 Bernard fix the slow speed issue when download file. * 2013-06-10 Bernard fix the slow speed issue when download file.
* 2015-11-14 aozima add content_length_remainder. * 2015-11-14 aozima add content_length_remainder.
* 2017-12-23 aozima update gethostbyname to getaddrinfo. * 2017-12-23 aozima update gethostbyname to getaddrinfo.
* 2018-01-04 aozima add ipv6 address support.
*/ */
#include "webclient.h" #include "webclient.h"
#include <string.h> #include <string.h>
#ifdef RT_USING_DFS_NET
#include <netdb.h> #include <netdb.h>
#include <sys/socket.h> #include <sys/socket.h>
#else
#include <lwip/netdb.h>
#include <lwip/sockets.h>
#endif /* RT_USING_DFS_NET */
#include "webclient_internal.h" #include "webclient_internal.h"
@ -108,19 +114,24 @@ static int webclient_read_line(int socket, char *buffer, int size)
/* /*
* resolve server address * resolve server address
* @param server the server sockaddress * @param server the server sockaddress
* @param url the input URL address, for example, http://www.rt-thread.org/index.html * @param url the input URL address.
* @param host_addr the buffer pointer to save server host address * @param host_addr the buffer pointer to save server host address
* @param request the pointer to point the request url, for example, /index.html * @param request the pointer to point the request url, for example, /index.html
* *
* @return 0 on resolve server address OK, others failed * @return 0 on resolve server address OK, others failed
*
* URL example:
* http://www.rt-thread.org/
* http://192.168.1.1:80/index.htm
* http://[fe80::1]/index.html
* http://[fe80::1]:80/index.html
*/ */
static int webclient_resolve_address(struct webclient_session *session, struct sockaddr_in *server, static int webclient_resolve_address(struct webclient_session *session, struct addrinfo **res,
const char *url, char **request) const char *url, char **request)
{ {
int rc = WEBCLIENT_OK; int rc = WEBCLIENT_OK;
char *ptr; char *ptr;
char port[6] = "80"; /* default port of 80(http) */ char port_str[6] = "80"; /* default port of 80(http) */
int i = 0, is_domain;
const char *host_addr = 0; const char *host_addr = 0;
int url_len, host_addr_len = 0; int url_len, host_addr_len = 0;
@ -128,62 +139,73 @@ static int webclient_resolve_address(struct webclient_session *session, struct s
url_len = strlen(url); url_len = strlen(url);
/* strip protocol(http) */ /* strip protocol(http) */
ptr = strchr(url, ':'); if (strncmp(url, "http://", 7) != 0)
if (ptr != NULL)
{ {
url = ptr + 1; rc = -1;
goto _exit;
} }
host_addr = url + 7;
/* URL must start with double forward slashes. */ /* ipv6 address */
if ((url[0] != '/') || (url[1] != '/')) if (host_addr[0] == '[')
{ {
//rt_kprintf("is ipv6 address!\n");
host_addr += 1;
ptr = strstr(host_addr, "]");
if (!ptr)
{
//rt_kprintf("ipv6 address miss end!\n");
rc = -1; rc = -1;
goto _exit; goto _exit;
} }
host_addr_len = ptr - host_addr;
url += 2; ptr = strstr(host_addr + host_addr_len, "/");
is_domain = 0; if (!ptr)
i = 0;
/* allow specification of port in URL like http://www.server.net:8080/ */
while (*url)
{
if (*url == '/')
{ {
host_addr_len = url - host_addr; rc = -1;
break; goto _exit;
} }
else if (ptr != (host_addr + host_addr_len + 1))
if (*url == ':')
{ {
unsigned char w; int port_len = ptr - host_addr - host_addr_len - 2;
host_addr_len = url - host_addr; strncpy(port_str, host_addr + host_addr_len + 2, port_len);
port_str[port_len] = '\0';
for (w = 0; w < 5 && url[w + 1] != '/' && url[w + 1] != '\0'; w++) //rt_kprintf("ipv6 address port: %s\n", port_str);
port[w] = url[w + 1];
/* get port ok */
port[w] = '\0';
url += w + 1;
break;
} }
if ((*url < '0' || *url > '9') && *url != '.') *request = (char *)ptr;
is_domain = 1; }
else /* ipv4 or domain. */
{
char *port_ptr;
if (host_addr == 0) ptr = strstr(host_addr, "/");
if (!ptr)
{ {
host_addr = url; rc = -1;
//rt_kprintf("webclient_resolve_address host_addr start: %s\n", host_addr); goto _exit;
} }
host_addr_len = ptr - host_addr;
*request = (char *)ptr;
port_ptr = strstr(host_addr, ":");
if (port_ptr)
{
int port_len = ptr - port_ptr - 1;
strncpy(port_str, port_ptr + 1, port_len);
port_str[port_len] = '\0';
url++; host_addr_len = port_ptr - host_addr;
}
} }
*request = (char *) url;
if ((host_addr_len < 1) || (host_addr_len > url_len)) if ((host_addr_len < 1) || (host_addr_len > url_len))
{ {
//rt_kprintf("webclient_resolve_address host_addr_len: %d error!\n", host_addr_len); //rt_kprintf("%s host_addr_len: %d error!\n", __FUNCTION__, host_addr_len);
rc = -1; rc = -1;
goto _exit; goto _exit;
} }
@ -204,31 +226,20 @@ static int webclient_resolve_address(struct webclient_session *session, struct s
//rt_kprintf("session->host: %s\n", session->host); //rt_kprintf("session->host: %s\n", session->host);
} }
if (is_domain)
{ {
/* resolve the host name. */ /* resolve the host name. */
struct addrinfo hint, *res = NULL; struct addrinfo hint;
int ret; int ret;
memset(&hint, 0, sizeof(hint)); memset(&hint, 0, sizeof(hint));
ret = getaddrinfo(session->host, NULL, &hint, &res); ret = getaddrinfo(session->host, port_str, &hint, res);
if (ret != 0) if (ret != 0)
{ {
rt_kprintf("getaddrinfo err: %d '%s'\n", ret, session->host); rt_kprintf("getaddrinfo err: %d '%s'\n", ret, session->host);
rc = -1; rc = -1;
goto _exit; goto _exit;
} }
memcpy(server, res->ai_addr, sizeof(struct sockaddr_in));
freeaddrinfo(res);
}
else
{
inet_aton(session->host, (struct in_addr *) & (server->sin_addr));
} }
/* set the port */
server->sin_port = htons((int) strtol(port, NULL, 10));
server->sin_family = AF_INET;
_exit: _exit:
if (rc != WEBCLIENT_OK) if (rc != WEBCLIENT_OK)
@ -238,6 +249,12 @@ _exit:
web_free(session->host); web_free(session->host);
session->host = 0; session->host = 0;
} }
if (*res)
{
freeaddrinfo(*res);
*res = RT_NULL;
}
} }
return rc; return rc;
@ -473,10 +490,11 @@ int webclient_handle_response(struct webclient_session *session)
*/ */
int webclient_connect(struct webclient_session *session, const char *URI) int webclient_connect(struct webclient_session *session, const char *URI)
{ {
int rc; int rc = WEBCLIENT_OK;
int socket_handle; int socket_handle;
int timeout = WEBCLIENT_SOCKET_TIMEO; int timeout = WEBCLIENT_SOCKET_TIMEO;
struct sockaddr_in server; struct addrinfo *res = RT_NULL;
//struct sockaddr_in server;
char *request; char *request;
RT_ASSERT(session != RT_NULL); RT_ASSERT(session != RT_NULL);
@ -485,9 +503,17 @@ int webclient_connect(struct webclient_session *session, const char *URI)
session->socket = -1; session->socket = -1;
/* Check valid IP address and URL */ /* Check valid IP address and URL */
rc = webclient_resolve_address(session, &server, URI, &request); rc = webclient_resolve_address(session, &res, URI, &request);
if (rc != WEBCLIENT_OK) if (rc != WEBCLIENT_OK)
return rc; {
goto _exit;
}
if (!res)
{
rc = -1;
goto _exit;
}
/* copy host address */ /* copy host address */
if (*request) if (*request)
@ -495,9 +521,12 @@ int webclient_connect(struct webclient_session *session, const char *URI)
else else
session->request = RT_NULL; session->request = RT_NULL;
socket_handle = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); socket_handle = socket(res->ai_family, SOCK_STREAM, IPPROTO_TCP); //
if (socket_handle < 0) if (socket_handle < 0)
return -WEBCLIENT_NOSOCKET; {
rc = -WEBCLIENT_NOSOCKET;
goto _exit;
}
/* set recv timeout option */ /* set recv timeout option */
setsockopt(socket_handle, SOL_SOCKET, SO_RCVTIMEO, (void *) &timeout, setsockopt(socket_handle, SOL_SOCKET, SO_RCVTIMEO, (void *) &timeout,
@ -505,16 +534,23 @@ int webclient_connect(struct webclient_session *session, const char *URI)
setsockopt(socket_handle, SOL_SOCKET, SO_SNDTIMEO, (void *) &timeout, setsockopt(socket_handle, SOL_SOCKET, SO_SNDTIMEO, (void *) &timeout,
sizeof(timeout)); sizeof(timeout));
if (connect(socket_handle, (struct sockaddr *) &server, if (connect(socket_handle, res->ai_addr, res->ai_addrlen) != 0)
sizeof(struct sockaddr)) != 0)
{ {
/* connect failed, close socket handle */ /* connect failed, close socket handle */
closesocket(socket_handle); closesocket(socket_handle);
return -WEBCLIENT_CONNECT_FAILED; rc = -WEBCLIENT_CONNECT_FAILED;
goto _exit;
} }
session->socket = socket_handle; session->socket = socket_handle;
return WEBCLIENT_OK;
_exit:
if (res)
{
freeaddrinfo(res);
}
return rc;
} }
struct webclient_session *webclient_open(const char *URI) struct webclient_session *webclient_open(const char *URI)

5
webclient.h
Unescape Escape View File

@ -1,11 +1,14 @@
/* /*
* File : webclient.h * File : webclient.h
* COPYRIGHT (C) 2012-2013, Shanghai Real-Thread Technology Co., Ltd * COPYRIGHT (C) 2011-2018, Shanghai Real-Thread Technology Co., Ltd
* *
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2013-05-05 Bernard the first version * 2013-05-05 Bernard the first version
* 2013-06-10 Bernard fix the slow speed issue when download file.
* 2015-11-14 aozima add content_length_remainder. * 2015-11-14 aozima add content_length_remainder.
* 2017-12-23 aozima update gethostbyname to getaddrinfo.
* 2018-01-04 aozima add ipv6 address support.
*/ */
#ifndef __WEBCLIENT_H__ #ifndef __WEBCLIENT_H__

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