Update to version 2.6 from upstream
- Remove patch for CVE-2016-4476, now included in base tarball
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/hostapd-2.5.tar.gz
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/hostapd-2.6.tar.gz
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From ecbb0b3dc122b0d290987cf9c84010bbe53e1022 Mon Sep 17 00:00:00 2001
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From: Jouni Malinen <jouni@qca.qualcomm.com>
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Date: Fri, 4 Mar 2016 17:20:18 +0200
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Subject: [PATCH] WPS: Reject a Credential with invalid passphrase
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WPA/WPA2-Personal passphrase is not allowed to include control
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characters. Reject a Credential received from a WPS Registrar both as
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STA (Credential) and AP (AP Settings) if the credential is for WPAPSK or
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WPA2PSK authentication type and includes an invalid passphrase.
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This fixes an issue where hostapd or wpa_supplicant could have updated
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the configuration file PSK/passphrase parameter with arbitrary data from
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an external device (Registrar) that may not be fully trusted. Should
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such data include a newline character, the resulting configuration file
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could become invalid and fail to be parsed.
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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
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---
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src/utils/common.c | 12 ++++++++++++
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src/utils/common.h | 1 +
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src/wps/wps_attr_process.c | 10 ++++++++++
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3 files changed, 23 insertions(+)
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diff --git a/src/utils/common.c b/src/utils/common.c
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index 450e2c6..27b7c02 100644
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--- a/src/utils/common.c
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+++ b/src/utils/common.c
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@@ -697,6 +697,18 @@ int is_hex(const u8 *data, size_t len)
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}
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+int has_ctrl_char(const u8 *data, size_t len)
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+{
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+ size_t i;
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+
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+ for (i = 0; i < len; i++) {
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+ if (data[i] < 32 || data[i] == 127)
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+
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size_t merge_byte_arrays(u8 *res, size_t res_len,
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const u8 *src1, size_t src1_len,
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const u8 *src2, size_t src2_len)
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diff --git a/src/utils/common.h b/src/utils/common.h
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index 701dbb2..a972240 100644
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--- a/src/utils/common.h
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+++ b/src/utils/common.h
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@@ -488,6 +488,7 @@ const char * wpa_ssid_txt(const u8 *ssid, size_t ssid_len);
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char * wpa_config_parse_string(const char *value, size_t *len);
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int is_hex(const u8 *data, size_t len);
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+int has_ctrl_char(const u8 *data, size_t len);
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size_t merge_byte_arrays(u8 *res, size_t res_len,
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const u8 *src1, size_t src1_len,
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const u8 *src2, size_t src2_len);
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diff --git a/src/wps/wps_attr_process.c b/src/wps/wps_attr_process.c
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index eadb22f..e8c4579 100644
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--- a/src/wps/wps_attr_process.c
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+++ b/src/wps/wps_attr_process.c
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@@ -229,6 +229,16 @@ static int wps_workaround_cred_key(struct wps_credential *cred)
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cred->key_len--;
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#endif /* CONFIG_WPS_STRICT */
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}
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+
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+
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+ if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK) &&
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+ (cred->key_len < 8 || has_ctrl_char(cred->key, cred->key_len))) {
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+ wpa_printf(MSG_INFO, "WPS: Reject credential with invalid WPA/WPA2-Personal passphrase");
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+ wpa_hexdump_ascii_key(MSG_INFO, "WPS: Network Key",
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+ cred->key, cred->key_len);
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+ return -1;
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+ }
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+
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return 0;
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}
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--
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1.9.1
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14
hostapd.spec
14
hostapd.spec
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%global _hardened_build 1
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%global _hardened_build 1
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Name: hostapd
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Name: hostapd
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Version: 2.5
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Version: 2.6
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Release: 5%{?dist}
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Release: 1%{?dist}
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Summary: IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
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Summary: IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
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License: BSD
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License: BSD
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URL: http://w1.fi/hostapd
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URL: http://w1.fi/hostapd
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@ -13,9 +13,6 @@ Source2: %{name}.conf
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Source3: %{name}.sysconfig
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Source3: %{name}.sysconfig
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Source4: %{name}.init
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Source4: %{name}.init
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# CVE-2016-4476 (not actually necessary, since WPS not enabled)
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Patch0: WPS-Reject-a-Credential-with-invalid-passphrase.patch
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BuildRequires: libnl3-devel
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BuildRequires: libnl3-devel
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BuildRequires: openssl-devel
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BuildRequires: openssl-devel
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BuildRequires: perl-generators
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BuildRequires: perl-generators
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@ -54,9 +51,6 @@ Logwatch scripts for hostapd.
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%prep
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%prep
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%setup -q
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%setup -q
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# CVE-2016-4476
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%patch0 -p1
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%build
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%build
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cd hostapd
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cd hostapd
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cat defconfig | sed \
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cat defconfig | sed \
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@ -175,6 +169,10 @@ fi
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%{_sysconfdir}/logwatch/scripts/services/%{name}
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%{_sysconfdir}/logwatch/scripts/services/%{name}
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%changelog
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%changelog
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* Mon Oct 03 2016 John W. Linville <linville@redhat.com> - 2.6-1
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- Update to version 2.6 from upstream
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- Remove patch for CVE-2016-4476, now included in base tarball
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* Fri Jul 15 2016 John W. Linville <linville@redhat.com> - 2.5-5
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* Fri Jul 15 2016 John W. Linville <linville@redhat.com> - 2.5-5
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- Bump NVR and rebuild to resolve GLIBC_2.24 symbol issue
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- Bump NVR and rebuild to resolve GLIBC_2.24 symbol issue
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