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bh=lQ461eKF56EY0djFo1y69Sg4lrRbfot/mXEIxyS0QME=; b=VhgGj8AFHeeAjCOVURmAjJO7ds9K7qcLSJuf+E8bfi+Q3hEnug0xxB6rrJpPQSvwVDqQvU 1uzfZl9p1xU1gjxqxoBV0ec0JmbyonEf3sWh69QHsQwj55vdVu74b9oFRw7pHY8f2RtJm2 YvFP24yttGef/7v1bnSswaG///t59h8= X-MC-Unique: J1Xm7UA7NOmKQpx3MQO28w-1 From: Laurent Vivier To: qemu-devel@nongnu.org Cc: Laurent Vivier Subject: [RFC PATCH v2 1/8] net: introduce convert_host_port() Date: Thu, 12 May 2022 10:09:25 +0200 Message-Id: <20220512080932.735962-2-lvivier@redhat.com> In-Reply-To: <20220512080932.735962-1-lvivier@redhat.com> References: <20220512080932.735962-1-lvivier@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1652344071102100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Laurent Vivier --- include/qemu/sockets.h | 2 ++ net/net.c | 62 ++++++++++++++++++++++-------------------- 2 files changed, 34 insertions(+), 30 deletions(-) diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h index 038faa157f59..47194b9732f8 100644 --- a/include/qemu/sockets.h +++ b/include/qemu/sockets.h @@ -47,6 +47,8 @@ void socket_listen_cleanup(int fd, Error **errp); int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp= ); =20 /* Old, ipv4 only bits. Don't use for new code. */ +int convert_host_port(struct sockaddr_in *saddr, const char *host, + const char *port, Error **errp); int parse_host_port(struct sockaddr_in *saddr, const char *str, Error **errp); int socket_init(void); diff --git a/net/net.c b/net/net.c index a094cf1d2929..58c05c200622 100644 --- a/net/net.c +++ b/net/net.c @@ -66,55 +66,57 @@ static QTAILQ_HEAD(, NetClientState) net_clients; /***********************************************************/ /* network device redirectors */ =20 -int parse_host_port(struct sockaddr_in *saddr, const char *str, - Error **errp) +int convert_host_port(struct sockaddr_in *saddr, const char *host, + const char *port, Error **errp) { - gchar **substrings; struct hostent *he; - const char *addr, *p, *r; - int port, ret =3D 0; + const char *r; + long p; =20 memset(saddr, 0, sizeof(*saddr)); =20 - substrings =3D g_strsplit(str, ":", 2); - if (!substrings || !substrings[0] || !substrings[1]) { - error_setg(errp, "host address '%s' doesn't contain ':' " - "separating host from port", str); - ret =3D -1; - goto out; - } - - addr =3D substrings[0]; - p =3D substrings[1]; - saddr->sin_family =3D AF_INET; - if (addr[0] =3D=3D '\0') { + if (host[0] =3D=3D '\0') { saddr->sin_addr.s_addr =3D 0; } else { - if (qemu_isdigit(addr[0])) { - if (!inet_aton(addr, &saddr->sin_addr)) { + if (qemu_isdigit(host[0])) { + if (!inet_aton(host, &saddr->sin_addr)) { error_setg(errp, "host address '%s' is not a valid " - "IPv4 address", addr); - ret =3D -1; - goto out; + "IPv4 address", host); + return -1; } } else { - he =3D gethostbyname(addr); + he =3D gethostbyname(host); if (he =3D=3D NULL) { - error_setg(errp, "can't resolve host address '%s'", addr); - ret =3D -1; - goto out; + error_setg(errp, "can't resolve host address '%s'", host); + return -1; } saddr->sin_addr =3D *(struct in_addr *)he->h_addr; } } - port =3D strtol(p, (char **)&r, 0); - if (r =3D=3D p) { - error_setg(errp, "port number '%s' is invalid", p); + if (qemu_strtol(port, &r, 0, &p) !=3D 0) { + error_setg(errp, "port number '%s' is invalid", port); + return -1; + } + saddr->sin_port =3D htons(p); + return 0; +} + +int parse_host_port(struct sockaddr_in *saddr, const char *str, + Error **errp) +{ + gchar **substrings; + int ret; + + substrings =3D g_strsplit(str, ":", 2); + if (!substrings || !substrings[0] || !substrings[1]) { + error_setg(errp, "host address '%s' doesn't contain ':' " + "separating host from port", str); ret =3D -1; goto out; } - saddr->sin_port =3D htons(port); + + ret =3D convert_host_port(saddr, substrings[0], substrings[1], errp); =20 out: g_strfreev(substrings); --=20 2.35.3