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sws.c: some IPv6 proxy mode peparatory adjustments

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This commit is contained in:
Yang Tse 2012-01-05 20:51:23 +01:00
parent 52824ed1ab
commit 812fa73057
2 changed files with 107 additions and 39 deletions
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3
tests/server/Makefile.inc
View File

@ -53,7 +53,8 @@ sockfilt_CFLAGS = $(AM_CFLAGS)
sws_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
server_sockaddr.h \
sws.c
sws.c \
$(top_srcdir)/lib/inet_pton.c
sws_LDADD = @TEST_SERVER_LIBS@
sws_CFLAGS = $(AM_CFLAGS)

143
tests/server/sws.c
View File

@ -58,6 +58,7 @@
versions instead */
#include "curlx.h" /* from the private lib dir */
#include "getpart.h"
#include "inet_pton.h"
#include "util.h"
#include "server_sockaddr.h"
@ -119,7 +120,7 @@ struct httprequest {
int prot_version; /* HTTP version * 10 */
bool pipelining; /* true if request is pipelined */
int callcount; /* times ProcessRequest() gets called */
int connect_port; /* the port number CONNECT used */
unsigned short connect_port; /* the port number CONNECT used */
};
static int ProcessRequest(struct httprequest *req);
@ -483,21 +484,37 @@ static int ProcessRequest(struct httprequest *req)
else {
if(sscanf(req->reqbuf, "CONNECT %" MAXDOCNAMELEN_TXT "s HTTP/%d.%d",
doc, &prot_major, &prot_minor) == 3) {
char *portp;
char *portp = NULL;
sprintf(logbuf, "Received a CONNECT %s HTTP/%d.%d request",
doc, prot_major, prot_minor);
logmsg("%s", logbuf);
portp = strchr(doc, ':');
if(portp && (*(portp+1) != '\0') && ISDIGIT(*(portp+1)))
req->connect_port = strtol(portp+1, NULL, 10);
else
req->connect_port = 0;
if(req->prot_version == 10)
req->open = FALSE; /* HTTP 1.0 closes connection by default */
if(doc[0] == '[') {
char *p = &doc[1];
while(*p && (ISXDIGIT(*p) || (*p == ':') || (*p == '.')))
p++;
if(*p != ']')
logmsg("Invalid CONNECT IPv6 address format");
else if (*(p+1) != ':')
logmsg("Invalid CONNECT IPv6 port format");
else
portp = p+1;
}
else
portp = strchr(doc, ':');
if(portp && (*(portp+1) != '\0') && ISDIGIT(*(portp+1))) {
unsigned long ulnum = strtoul(portp+1, NULL, 10);
if(!ulnum || (ulnum > 65535UL))
logmsg("Invalid CONNECT port received");
else
req->connect_port = curlx_ultous(ulnum);
}
if(!strncmp(doc, "bad", 3))
/* if the host name starts with bad, we fake an error here */
req->testno = DOCNUMBER_BADCONNECT;
@ -506,7 +523,7 @@ static int ProcessRequest(struct httprequest *req)
CONNECT line will be used as test number! */
req->testno = req->connect_port?req->connect_port:DOCNUMBER_CONNECT;
else
req->testno = DOCNUMBER_CONNECT;
req->testno = req->connect_port?DOCNUMBER_CONNECT:DOCNUMBER_BADCONNECT;
}
else {
logmsg("Did not find test number in PATH");
@ -1157,43 +1174,93 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
return 0;
}
static curl_socket_t connect_to(const char *ipaddr, int port)
static curl_socket_t connect_to(const char *ipaddr, unsigned short port)
{
int flag;
struct sockaddr_in sin;
srvr_sockaddr_union_t serveraddr;
curl_socket_t serverfd;
unsigned long hostaddr;
hostaddr = inet_addr(ipaddr);
if(hostaddr == ( in_addr_t)-1)
return -1;
logmsg("about to connect to %s:%d", ipaddr, port);
serverfd = socket(AF_INET, SOCK_STREAM, 0);
int error;
int rc;
const char *op_br = "";
const char *cl_br = "";
#ifdef TCP_NODELAY
/*
* Disable the Nagle algorithm
*/
flag = 1;
if (setsockopt(serverfd, IPPROTO_TCP, TCP_NODELAY,
(void *)&flag, sizeof(flag)) == -1) {
logmsg("====> TCP_NODELAY for server conection failed");
curl_socklen_t flag = 1;
int level = IPPROTO_TCP;
#endif
#ifdef ENABLE_IPV6
if(use_ipv6) {
op_br = "[";
cl_br = "]";
}
#endif
sin.sin_family = AF_INET;
sin.sin_port = htons((short)port);
sin.sin_addr.s_addr = hostaddr;
if (connect(serverfd, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(stderr, "failed to connect!\n");
return -1;
if(!ipaddr)
return CURL_SOCKET_BAD;
logmsg("about to connect to %s%s%s:%hu",
op_br, ipaddr, cl_br, port);
#ifdef ENABLE_IPV6
if(!use_ipv6)
#endif
serverfd = socket(AF_INET, SOCK_STREAM, 0);
#ifdef ENABLE_IPV6
else
serverfd = socket(AF_INET6, SOCK_STREAM, 0);
#endif
if(CURL_SOCKET_BAD == serverfd) {
error = SOCKERRNO;
logmsg("Error creating socket for server conection: (%d) %s",
error, strerror(error));
return CURL_SOCKET_BAD;
}
logmsg("connected fine to %s:%d, now tunnel!", ipaddr, port);
#ifdef TCP_NODELAY
/* Disable the Nagle algorithm */
if(setsockopt(serverfd, level, TCP_NODELAY, (void *)&flag, sizeof(flag)) < 0)
logmsg("====> TCP_NODELAY for server conection failed");
#endif
#ifdef ENABLE_IPV6
if(!use_ipv6) {
#endif
memset(&serveraddr.sa4, 0, sizeof(serveraddr.sa4));
serveraddr.sa4.sin_family = AF_INET;
serveraddr.sa4.sin_port = htons(port);
serveraddr.sa4.sin_addr.s_addr = INADDR_ANY;
if(Curl_inet_pton(AF_INET, ipaddr, &serveraddr.sa4.sin_addr) < 1) {
logmsg("Error inet_pton failed AF_INET conversion of '%s'", ipaddr);
sclose(serverfd);
return CURL_SOCKET_BAD;
}
rc = connect(serverfd, &serveraddr.sa, sizeof(serveraddr.sa4));
#ifdef ENABLE_IPV6
}
else {
memset(&serveraddr.sa6, 0, sizeof(serveraddr.sa6));
serveraddr.sa6.sin6_family = AF_INET6;
serveraddr.sa6.sin6_port = htons(port);
if(Curl_inet_pton(AF_INET6, ipaddr, &serveraddr.sa6.sin6_addr) < 1) {
logmsg("Error inet_pton failed AF_INET6 conversion of '%s'", ipaddr);
sclose(serverfd);
return CURL_SOCKET_BAD;
}
rc = connect(serverfd, &serveraddr.sa, sizeof(me.sa6));
}
#endif /* ENABLE_IPV6 */
if(rc) {
error = SOCKERRNO;
logmsg("Error connecting to server port %hu: (%d) %s",
port, error, strerror(error));
sclose(serverfd);
return CURL_SOCKET_BAD;
}
logmsg("connected fine to %s%s%s:%hu, now tunnel",
op_br, ipaddr, cl_br, port);
return serverfd;
}