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GET /api/patches/810802/?format=api
{ "id": 810802, "url": "http://patchwork.ozlabs.org/api/patches/810802/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170906210839.26091-2-mmichels@redhat.com/", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api", "name": "Open vSwitch", "link_name": "openvswitch", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "git@github.com:openvswitch/ovs.git", "webscm_url": "https://github.com/openvswitch/ovs", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170906210839.26091-2-mmichels@redhat.com>", "list_archive_url": null, "date": "2017-09-06T21:08:36", "name": "[ovs-dev,1/4] Add general-purpose IP/port parsing function.", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "1562627bef20ca724bca4b6175470c46749b9a0a", "submitter": { "id": 71978, "url": "http://patchwork.ozlabs.org/api/people/71978/?format=api", "name": "Mark Michelson", "email": "mmichels@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170906210839.26091-2-mmichels@redhat.com/mbox/", "series": [ { "id": 1883, "url": "http://patchwork.ozlabs.org/api/series/1883/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=1883", "date": "2017-09-06T21:08:35", "name": "ovn: Add support for IPv6 load balancers", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1883/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810802/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810802/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "ovs-dev@mail.linuxfoundation.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)", "ext-mx01.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx01.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=mmichels@redhat.com" ], "Received": [ "from mail.linuxfoundation.org (mail.linuxfoundation.org\n\t[140.211.169.12])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xnbmz2HyVz9t2r\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 7 Sep 2017 07:09:23 +1000 (AEST)", "from mail.linux-foundation.org (localhost [127.0.0.1])\n\tby mail.linuxfoundation.org (Postfix) with ESMTP id 5C13EB78;\n\tWed, 6 Sep 2017 21:08:45 +0000 (UTC)", "from smtp1.linuxfoundation.org (smtp1.linux-foundation.org\n\t[172.17.192.35])\n\tby mail.linuxfoundation.org (Postfix) with ESMTPS id F0670B4C\n\tfor <dev@openvswitch.org>; Wed, 6 Sep 2017 21:08:42 +0000 (UTC)", "from mx1.redhat.com (mx1.redhat.com [209.132.183.28])\n\tby smtp1.linuxfoundation.org (Postfix) with ESMTPS id 981F048E\n\tfor <dev@openvswitch.org>; Wed, 6 Sep 2017 21:08:42 +0000 (UTC)", "from smtp.corp.redhat.com\n\t(int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 0B5048535D\n\tfor <dev@openvswitch.org>; Wed, 6 Sep 2017 21:08:42 +0000 (UTC)", "from monae.redhat.com (ovpn-121-224.rdu2.redhat.com\n\t[10.10.121.224])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 75E92179D3\n\tfor <dev@openvswitch.org>; Wed, 6 Sep 2017 21:08:41 +0000 (UTC)" ], "X-Greylist": [ "domain auto-whitelisted by SQLgrey-1.7.6", "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.25]);\n\tWed, 06 Sep 2017 21:08:42 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 0B5048535D", "From": "Mark Michelson <mmichels@redhat.com>", "To": "dev@openvswitch.org", "Date": "Wed, 6 Sep 2017 16:08:36 -0500", "Message-Id": "<20170906210839.26091-2-mmichels@redhat.com>", "In-Reply-To": "<20170906210839.26091-1-mmichels@redhat.com>", "References": "<20170906210839.26091-1-mmichels@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.14", "X-Spam-Status": "No, score=-5.0 required=5.0 tests=RCVD_IN_DNSWL_HI,\n\tRP_MATCHES_RCVD autolearn=disabled version=3.3.1", "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org", "Subject": "[ovs-dev] [PATCH 1/4] Add general-purpose IP/port parsing function.", "X-BeenThere": "ovs-dev@openvswitch.org", "X-Mailman-Version": "2.1.12", "Precedence": "list", "List-Id": "<ovs-dev.openvswitch.org>", "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>", "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>", "List-Post": "<mailto:ovs-dev@openvswitch.org>", "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>", "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "ovs-dev-bounces@openvswitch.org", "Errors-To": "ovs-dev-bounces@openvswitch.org" }, "content": "OVS has functions for parsing IPv4 addresses, parsing IPv4 addresses\nwith a port, and parsing IPv6 addresses. What is lacking though is a\nfunction that can take an IPv4 or IPv6 address, with or without a port.\n\nThis commit adds ipv46_parse(), which breaks the given input string into\nits component parts and stores them in a sockaddr_storage structure. The\nfunction accepts flags that determine how it should behave if a port is\npresent in the input string.\n\nSigned-off-by: Mark Michelson <mmichels@redhat.com>\n---\n lib/packets.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n lib/packets.h | 10 ++++++++\n 2 files changed, 88 insertions(+)", "diff": "diff --git a/lib/packets.c b/lib/packets.c\nindex 74d87eda8..51044df4c 100644\n--- a/lib/packets.c\n+++ b/lib/packets.c\n@@ -22,6 +22,8 @@\n #include <netinet/ip6.h>\n #include <netinet/icmp6.h>\n #include <stdlib.h>\n+#include <sys/types.h>\n+#include <netdb.h>\n #include \"byte-order.h\"\n #include \"csum.h\"\n #include \"crc32c.h\"\n@@ -656,6 +658,82 @@ ip_parse_cidr(const char *s, ovs_be32 *ip, unsigned int *plen)\n return error;\n }\n \n+/* Parses the string into an IPv4 or IPv6 address.\n+ * The port flags act as follows:\n+ * * PORT_OPTIONAL: A port may be present but is not required\n+ * * PORT_REQUIRED: A port must be present\n+ * * PORT_FORBIDDEN: A port must not be present\n+ */\n+char * OVS_WARN_UNUSED_RESULT\n+ipv46_parse(const char *s, enum port_flags flags, struct sockaddr_storage *ss)\n+{\n+ char *error = NULL;\n+\n+ char *copy;\n+ copy = xstrdup(s);\n+\n+ char *addr;\n+ char *port;\n+ if (*copy == '[') {\n+ char *end;\n+\n+ addr = copy + 1;\n+ end = strchr(addr, ']');\n+ if (!end) {\n+ error = xasprintf(\"No closing bracket on address %s\", s);\n+ goto finish;\n+ }\n+ *end++ = '\\0';\n+ if (*end == ':') {\n+ port = end + 1;\n+ } else {\n+ port = NULL;\n+ }\n+ } else {\n+ addr = copy;\n+ port = strchr(copy, ':');\n+ if (port) {\n+ if (strchr(port + 1, ':')) {\n+ port = NULL;\n+ } else {\n+ *port++ = '\\0';\n+ }\n+ }\n+ }\n+\n+ if (port && !*port) {\n+ error = xasprintf(\"Port is an empty string\");\n+ goto finish;\n+ }\n+\n+ if (port && flags == PORT_FORBIDDEN) {\n+ error = xasprintf(\"Port forbidden in address %s\", s);\n+ goto finish;\n+ } else if (!port && flags == PORT_REQUIRED) {\n+ error = xasprintf(\"Port required in address %s\", s);\n+ goto finish;\n+ }\n+\n+ struct addrinfo hints = {\n+ .ai_flags = AI_NUMERICHOST | AI_NUMERICSERV,\n+ .ai_family = AF_UNSPEC,\n+ };\n+ struct addrinfo *res;\n+ int status;\n+ status = getaddrinfo(addr, port, &hints, &res);\n+ if (status) {\n+ error = xasprintf(\"Error parsing address %s: %s\",\n+ s, gai_strerror(status));\n+ goto finish;\n+ }\n+ memcpy(ss, res->ai_addr, res->ai_addrlen);\n+ freeaddrinfo(res);\n+\n+finish:\n+ free(copy);\n+ return error;\n+}\n+\n /* Parses string 's', which must be an IPv6 address. Stores the IPv6 address\n * into '*ip'. Returns true if successful, otherwise false. */\n bool\ndiff --git a/lib/packets.h b/lib/packets.h\nindex 705d0b270..866a3335a 100644\n--- a/lib/packets.h\n+++ b/lib/packets.h\n@@ -1325,6 +1325,16 @@ struct in6_addr ipv6_create_mask(int mask);\n int ipv6_count_cidr_bits(const struct in6_addr *netmask);\n bool ipv6_is_cidr(const struct in6_addr *netmask);\n \n+enum port_flags {\n+ PORT_OPTIONAL,\n+ PORT_REQUIRED,\n+ PORT_FORBIDDEN,\n+};\n+\n+char *ipv46_parse(const char *s, enum port_flags flags,\n+ struct sockaddr_storage *ss)\n+ OVS_WARN_UNUSED_RESULT;\n+\n bool ipv6_parse(const char *s, struct in6_addr *ip);\n char *ipv6_parse_masked(const char *s, struct in6_addr *ipv6,\n struct in6_addr *mask);\n", "prefixes": [ "ovs-dev", "1/4" ] }