From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
This will be used to parse the IP address used for
binding to a particular local IP address.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
:100644 100644 6dc257b... 36c2e94... M utils/mount/network.c
:100644 100644 5732eb6... 4af8fd1... M utils/mount/network.h
utils/mount/network.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
utils/mount/network.h | 2 ++
2 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/utils/mount/network.c b/utils/mount/network.c
index 6dc257b..36c2e94 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -405,6 +405,51 @@ out:
}
/*
+ * node should be an IPv4 or IPv6 address numeric notation.
+ * The value will be parsed in placed into laddr.
+ */
+void
+parse_local_bind(struct local_bind_info *laddr, const char* node) {
+ /* str is an IP address. */
+ int aiErr;
+ struct addrinfo *aiHead;
+ struct addrinfo hints;
+
+ laddr->is_set = 0;
+
+ memset(&hints, 0, sizeof(hints));
+
+ hints.ai_flags = AI_NUMERICSERV;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+ hints.ai_family = PF_INET;
+
+ aiErr = getaddrinfo(node, NULL, &hints, &aiHead);
+
+ /* If we tried PF_INET and it failed, try IPv6 instead
+ * to see if it resolves properly.
+ */
+ if (aiErr != 0) {
+ hints.ai_family = PF_INET6;
+ aiErr = getaddrinfo(node, NULL, &hints, &aiHead);
+ }
+
+ if (aiErr != 0) {
+ nfs_error(_("%s: parse srcaddr failed, "
+ "node: %s aiErr: %i %s\n"),
+ progname, node, aiErr, gai_strerror(aiErr));
+ } else {
+ if (aiHead) {
+ memcpy(&laddr->addr, aiHead->ai_addr,
+ aiHead->ai_addrlen);
+ laddr->addrlen = aiHead->ai_addrlen;
+ laddr->is_set = true;
+ freeaddrinfo(aiHead);
+ }
+ }
+}
+
+/*
* Create a socket that is locally bound to a reserved or non-reserved port.
*
* The caller should check rpc_createerr to determine the cause of any error.
diff --git a/utils/mount/network.h b/utils/mount/network.h
index 5732eb6..4af8fd1 100644
--- a/utils/mount/network.h
+++ b/utils/mount/network.h
@@ -36,6 +36,8 @@ typedef struct {
struct pmap pmap;
} clnt_addr_t;
+void parse_local_bind(struct local_bind_info *laddr, const char* str);
+
/* RPC call timeout values */
static const struct timeval TIMEOUT = { 20, 0 };
static const struct timeval RETRY_TIMEOUT = { 3, 0 };
--
1.7.3.4
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