inet_listen_opts: add error checking
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJTmuCnAAoJEEy22O7T6HE4FUwP/18ASPkBFPIipJYuZ/qu3tO8 4gKf1Rdpg5UxD9yPXGVy/BRlr0ggQr3/0AJoEgs7vqRi8QSI9FO6ZnkjcAo8BHhW goTUY20u3evoyw6V83ZSTOSEUnSO7auagRP5VmfXI37NKVQ3xVz+0Ot6NOZNfpCy x+yGaUfl5jDbYjoFBlcEr8OwsyOEzEq+JjzMZ8JAbzM54IoSPtkiZMHkqImY+YYZ RkLKoJDKc8lWorjmJTbfql8KdBV4Jo+dUCEOqKSQKZd49Xb2gecXtZMfN//0Odo0 eDWgg5lQU1gFaV7dLoGQ4QIMdqThdtKAnIx7lIEowPOnSnlRCHRZv+TxHGAJzqIk 0ndsNNKrmhnLmpXM019f5DJmCLcJ+00lJ3+QM/sMiKBYMW2/bRg6dTTlEdng3bEl TSi+dI8h2X29h9/yku7GCqsbxU2vpMMWS00NP8GfzwnMDiKhCH3MdV9o52kImEnL l6TgVWRedizfd0SC9dh3GqqxoYXlB2kf0qb9DkQbLVo7srOvGLOwKJBzl3Ggj8qi NsTMJPSYcLqUH5ysO86SUDwxfbIrUjyxiOXIFgD/Kkda55gRXo5EzRF7KMf3sT11 IBcNBZ1/SQkoumglb3iSwox9DhdYxRDx9pbYAbAW3JvFFY4unZ+X27LaaG/bnGTA w0URswRN9LF09aq9ZtbN =EyoP -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kraxel/tags/pull-trivial-20140613-1' into staging inet_listen_opts: add error checking # gpg: Signature made Fri 13 Jun 2014 12:29:43 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-trivial-20140613-1: inet_listen_opts: add error checking Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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80008a6a29
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@ -131,8 +131,19 @@ int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp)
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ai.ai_family = PF_INET6;
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/* lookup */
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if (port_offset)
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snprintf(port, sizeof(port), "%d", atoi(port) + port_offset);
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if (port_offset) {
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unsigned long long baseport;
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if (parse_uint_full(port, &baseport, 10) < 0) {
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error_setg(errp, "can't convert to a number: %s", port);
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return -1;
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}
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if (baseport > 65535 ||
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baseport + port_offset > 65535) {
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error_setg(errp, "port %s out of range", port);
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return -1;
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}
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snprintf(port, sizeof(port), "%d", (int)baseport + port_offset);
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}
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rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
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if (rc != 0) {
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error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
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