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-rw-r--r--docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.316
-rw-r--r--lib/if2ip.c16
-rw-r--r--lib/if2ip.h4
-rw-r--r--lib/setopt.c15
4 files changed, 26 insertions, 25 deletions
diff --git a/docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.3 b/docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.3
index 4ce6db9b1..13ca667df 100644
--- a/docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.3
+++ b/docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2014, 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -22,14 +22,13 @@
.\"
.TH CURLOPT_ADDRESS_SCOPE 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
.SH NAME
-CURLOPT_ADDRESS_SCOPE \- set scope for local IPv6 addresses
+CURLOPT_ADDRESS_SCOPE \- set scope id for IPv6 addresses
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ADDRESS_SCOPE, long scope);
.SH DESCRIPTION
-Pass a long specifying the scope_id value to use when connecting to IPv6
-link-local or site-local addresses.
+Pass a long specifying the scope id value to use when connecting to IPv6 addresses.
.SH DEFAULT
0
.SH PROTOCOLS
@@ -39,12 +38,10 @@ All, when using IPv6
CURL *curl = curl_easy_init();
if(curl) {
CURLcode ret;
+ long my_scope_id;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
- /* 0x2 link-local
- 0x5 site-local
- 0x8 organization-local
- 0xe global ... */
- curl_easy_setopt(curl, CURLOPT_ADDRESS_SCOPE, 0xEL);
+ my_scope_id = if_nametoindex("eth0");
+ curl_easy_setopt(curl, CURLOPT_ADDRESS_SCOPE, my_scope_id);
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
@@ -53,5 +50,6 @@ if(curl) {
Added in 7.19.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
+Returns CURLE_BAD_FUNCTION_ARGUMENT if set to a negative value.
.SH "SEE ALSO"
.BR CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "
diff --git a/lib/if2ip.c b/lib/if2ip.c
index 6e27685a0..d003de678 100644
--- a/lib/if2ip.c
+++ b/lib/if2ip.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -97,7 +97,7 @@ unsigned int Curl_ipv6_scope(const struct sockaddr *sa)
#if defined(HAVE_GETIFADDRS)
if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
+ unsigned int local_scope_id, const char *interf,
char *buf, int buf_size)
{
struct ifaddrs *iface, *head;
@@ -109,7 +109,7 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
#if !defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID) || \
!defined(ENABLE_IPV6)
- (void) remote_scope_id;
+ (void) local_scope_id;
#endif
if(getifaddrs(&head) >= 0) {
@@ -145,7 +145,7 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
->sin6_scope_id;
/* If given, scope id should match. */
- if(remote_scope_id && scopeid != remote_scope_id) {
+ if(local_scope_id && scopeid != local_scope_id) {
if(res == IF2IP_NOT_FOUND)
res = IF2IP_AF_NOT_SUPPORTED;
@@ -182,7 +182,7 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
#elif defined(HAVE_IOCTL_SIOCGIFADDR)
if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
+ unsigned int local_scope_id, const char *interf,
char *buf, int buf_size)
{
struct ifreq req;
@@ -192,7 +192,7 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
size_t len;
(void)remote_scope;
- (void)remote_scope_id;
+ (void)local_scope_id;
if(!interf || (af != AF_INET))
return IF2IP_NOT_FOUND;
@@ -228,12 +228,12 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
#else
if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
+ unsigned int local_scope_id, const char *interf,
char *buf, int buf_size)
{
(void) af;
(void) remote_scope;
- (void) remote_scope_id;
+ (void) local_scope_id;
(void) interf;
(void) buf;
(void) buf_size;
diff --git a/lib/if2ip.h b/lib/if2ip.h
index a11b1c222..f193d4257 100644
--- a/lib/if2ip.h
+++ b/lib/if2ip.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -39,7 +39,7 @@ typedef enum {
} if2ip_result_t;
if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
+ unsigned int local_scope_id, const char *interf,
char *buf, int buf_size);
#ifdef __INTERIX
diff --git a/lib/setopt.c b/lib/setopt.c
index 6e596fa66..1df38fbb4 100644
--- a/lib/setopt.c
+++ b/lib/setopt.c
@@ -118,6 +118,7 @@ static CURLcode vsetopt(struct Curl_easy *data, CURLoption option,
char *argptr;
CURLcode result = CURLE_OK;
long arg;
+ unsigned long uarg;
curl_off_t bigsize;
switch(option) {
@@ -2297,14 +2298,16 @@ static CURLcode vsetopt(struct Curl_easy *data, CURLoption option,
case CURLOPT_ADDRESS_SCOPE:
/*
- * We always get longs when passed plain numericals, but for this value we
- * know that an unsigned int will always hold the value so we blindly
- * typecast to this type
+ * Use this scope id when using IPv6
+ * We always get longs when passed plain numericals so we should check
+ * that the value fits into an unsigned 32 bit integer.
*/
- arg = va_arg(param, long);
- if((arg < 0) || (arg > 0xf))
+ uarg = va_arg(param, unsigned long);
+#if SIZEOF_LONG > 4
+ if(uarg > UINT_MAX)
return CURLE_BAD_FUNCTION_ARGUMENT;
- data->set.scope_id = curlx_sltoui(arg);
+#endif
+ data->set.scope_id = (unsigned int)uarg;
break;
case CURLOPT_PROTOCOLS: