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-rw-r--r--lib/easy.c3
-rw-r--r--lib/url.c173
-rw-r--r--lib/urldata.h1
3 files changed, 176 insertions, 1 deletions
diff --git a/lib/easy.c b/lib/easy.c
index f45132b9d..8f2de5ece 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -109,6 +109,9 @@ CURL *curl_easy_init(void)
return NULL;
data->interf = CURLI_EASY; /* mark it as an easy one */
+ /* SAC */
+ data->device = NULL;
+
return data;
}
diff --git a/lib/url.c b/lib/url.c
index 0f2dbfb0a..1a42dd725 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -52,7 +52,6 @@
#include <errno.h>
-
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
#include <winsock.h>
#include <time.h>
@@ -498,6 +497,9 @@ CURLcode curl_setopt(CURL *curl, CURLoption option, ...)
case CURLOPT_QUOTE:
data->quote = va_arg(param, struct curl_slist *);
break;
+ case CURLOPT_INTERFACE:
+ data->device = va_arg(param, char *);
+ break;
default:
/* unknown tag and its companion, just ignore: */
return CURLE_READ_ERROR; /* correct this */
@@ -1176,6 +1178,136 @@ CURLcode curl_connect(CURL *curl, CURLconnect **in_connect)
conn->serv_addr.sin_family = conn->hp->h_addrtype;
conn->serv_addr.sin_port = htons(data->port);
+/* sck 8/31/2000 add support for specifing device to bind socket to */
+/* #ifdef LINUX */
+/* I am using this, but it may not work everywhere, only tested on RedHat 6.2 */
+#ifdef HAVE_INET_NTOA
+
+#ifndef INADDR_NONE
+#define INADDR_NONE (unsigned long) ~0
+#endif
+
+ if (data->device && (strlen(data->device)<255)) {
+ struct ifreq ifr;
+ struct sockaddr_in sa;
+ struct hostent *h=NULL;
+ size_t size;
+ unsigned short porttouse;
+ char myhost[256] = "";
+ unsigned long in;
+
+ if(if2ip(data->device, myhost, sizeof(myhost))) {
+ h = GetHost(data, myhost, hostent_buf, sizeof(hostent_buf));
+ }
+ else {
+ if(strlen(data->device)>1) {
+ h = GetHost(data, data->device, hostent_buf,
+ sizeof(hostent_buf));
+ }
+ if(h) {
+ strcpy(myhost,data->device);
+ }
+ }
+
+ if(! *myhost) {
+ /* need to fix this
+ h=GetHost(data,
+ getmyhost(*myhost,sizeof(myhost)),
+ hostent_buf,
+ sizeof(hostent_buf));
+ */
+ printf("in here\n");
+ }
+
+ infof(data, "We connect from %s\n", myhost);
+
+ if ( (in=inet_addr(myhost)) != INADDR_NONE ) {
+
+ if ( h ) {
+ memset((char *)&sa, 0, sizeof(sa));
+ memcpy((char *)&sa.sin_addr,
+ h->h_addr,
+ h->h_length);
+ sa.sin_family = AF_INET;
+ sa.sin_addr.s_addr = in;
+ sa.sin_port = 0; /* get any port */
+
+ if( bind(data->firstsocket, (struct sockaddr *)&sa, sizeof(sa)) >= 0) {
+ /* we succeeded to bind */
+ struct sockaddr_in add;
+
+ size = sizeof(add);
+ if(getsockname(data->firstsocket, (struct sockaddr *) &add,
+ (int *)&size)<0) {
+ failf(data, "getsockname() failed");
+ return CURLE_HTTP_PORT_FAILED;
+ }
+ }
+ else {
+ switch(errno) {
+ case EBADF:
+ failf(data, "Invalid descriptor: %d", errno);
+ break;
+ case EINVAL:
+ failf(data, "Invalid request: %d", errno);
+ break;
+ case EACCES:
+ failf(data, "Address is protected, user not superuser: %d", errno);
+ break;
+ case ENOTSOCK:
+ failf(data,
+ "Argument is a descriptor for a file, not a socket: %d",
+ errno);
+ break;
+ case EFAULT:
+ failf(data, "Inaccessable memory error: %d", errno);
+ break;
+ case ENAMETOOLONG:
+ failf(data, "Address too long: %d", errno);
+ break;
+ case ENOMEM:
+ failf(data, "Insufficient kernel memory was available: %d", errno);
+ break;
+#if 0
+ case EROFS:
+ failf(data,
+ "Socket inode would reside on a read-only file system: %d",
+ errno);
+ break;
+ case ENOENT:
+ failf(data, "File does not exist: %d", errno);
+ break;
+ case ENOTDIR:
+ failf(data, "Component of path prefix is not a directory: %d",
+ errno);
+ break;
+ case ELOOP:
+ failf(data,"Too many symbolic links encountered: %d",errno);
+ break;
+#endif
+ default:
+ failf(data,"errno %d\n");
+ } /* end of switch */
+
+ return CURLE_HTTP_PORT_FAILED;
+ } /* end of else */
+
+ } /* end of if h */
+ else {
+ failf(data,"could't find my own IP address (%s)", myhost);
+ return CURLE_HTTP_PORT_FAILED;
+ }
+
+ } /* end of inet_addr */
+
+ else {
+ failf(data, "could't find my own IP address (%s)", myhost);
+ return CURLE_HTTP_PORT_FAILED;
+ }
+
+ } /* end of device selection support */
+#endif /* end of HAVE_INET_NTOA */
+
if (connect(data->firstsocket,
(struct sockaddr *) &(conn->serv_addr),
sizeof(conn->serv_addr)
@@ -1186,12 +1318,51 @@ CURLcode curl_connect(CURL *curl, CURLconnect **in_connect)
case ECONNREFUSED:
failf(data, "Connection refused");
break;
+ case EFAULT:
+ failf(data, "Invalid socket address: %d",errno);
+ break;
+ case EISCONN:
+ failf(data, "Socket already connected: %d",errno);
+ break;
+ case ETIMEDOUT:
+ failf(data, "Timeout while accepting connection, server busy: %d",errno);
+ break;
+ case ENETUNREACH:
+ failf(data, "Network is unreachable: %d",errno);
+ break;
+ case EADDRINUSE:
+ failf(data, "Local address already in use: %d",errno);
+ break;
+ case EINPROGRESS:
+ failf(data, "Socket is nonblocking and connection can not be completed immediately: %d",errno);
+ break;
+ case EALREADY:
+ failf(data, "Socket is nonblocking and a previous connection attempt not completed: %d",errno);
+ break;
+ case EAGAIN:
+ failf(data, "No more free local ports: %d",errno);
+ break;
+ case EACCES:
+ case EPERM:
+ failf(data, "Attempt to connect to broadcast address without socket broadcast flag or local firewall rule violated: %d",errno);
+ break;
#endif
#ifdef EINTR
case EINTR:
failf(data, "Connection timeouted");
break;
#endif
+#if 0
+ case EAFNOSUPPORT:
+ failf(data, "Incorrect address family: %d",errno);
+ break;
+ case ENOTSOCK:
+ failf(data, "File descriptor is not a socket: %d",errno);
+ break;
+ case EBADF:
+ failf(data, "File descriptor is not a valid index in descriptor table: %d",errno);
+ break;
+#endif
default:
failf(data, "Can't connect to server: %d", errno);
break;
diff --git a/lib/urldata.h b/lib/urldata.h
index 8b28632f9..4d268bd55 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -356,6 +356,7 @@ struct UrlData {
char *useragent; /* User-Agent string */
char *ftpport; /* port to send with the PORT command */
+ char *device; /* Interface to use */
/* function that stores the output:*/
curl_write_callback fwrite;