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GET /api/patches/810802/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "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    "state": "superseded",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"
    ]
}