From cf9610f9116d55c5a66ef9f1faecacabd93a9322 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 24 Aug 2026 08:46:03 -0700 Subject: Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ... --- security/tomoyo/group.c | 209 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 security/tomoyo/group.c (limited to 'security/tomoyo/group.c') diff --git a/security/tomoyo/group.c b/security/tomoyo/group.c new file mode 100644 index 000000000..1cecdd797 --- /dev/null +++ b/security/tomoyo/group.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * security/tomoyo/group.c + * + * Copyright (C) 2005-2011 NTT DATA CORPORATION + */ + +#include +#include + +#include "common.h" + +/** + * tomoyo_same_path_group - Check for duplicated "struct tomoyo_path_group" entry. + * + * @a: Pointer to "struct tomoyo_acl_head". + * @b: Pointer to "struct tomoyo_acl_head". + * + * Returns true if @a == @b, false otherwise. + */ +static bool tomoyo_same_path_group(const struct tomoyo_acl_head *a, + const struct tomoyo_acl_head *b) +{ + return container_of(a, struct tomoyo_path_group, head)->member_name == + container_of(b, struct tomoyo_path_group, head)->member_name; +} + +/** + * tomoyo_same_number_group - Check for duplicated "struct tomoyo_number_group" entry. + * + * @a: Pointer to "struct tomoyo_acl_head". + * @b: Pointer to "struct tomoyo_acl_head". + * + * Returns true if @a == @b, false otherwise. + */ +static bool tomoyo_same_number_group(const struct tomoyo_acl_head *a, + const struct tomoyo_acl_head *b) +{ + return !memcmp(&container_of(a, struct tomoyo_number_group, head) + ->number, + &container_of(b, struct tomoyo_number_group, head) + ->number, + sizeof(container_of(a, struct tomoyo_number_group, head) + ->number)); +} + +/** + * tomoyo_same_address_group - Check for duplicated "struct tomoyo_address_group" entry. + * + * @a: Pointer to "struct tomoyo_acl_head". + * @b: Pointer to "struct tomoyo_acl_head". + * + * Returns true if @a == @b, false otherwise. + */ +static bool tomoyo_same_address_group(const struct tomoyo_acl_head *a, + const struct tomoyo_acl_head *b) +{ + const struct tomoyo_address_group *p1 = container_of(a, typeof(*p1), + head); + const struct tomoyo_address_group *p2 = container_of(b, typeof(*p2), + head); + + return tomoyo_same_ipaddr_union(&p1->address, &p2->address); +} + +/** + * tomoyo_write_group - Write "struct tomoyo_path_group"/"struct tomoyo_number_group"/"struct tomoyo_address_group" list. + * + * @param: Pointer to "struct tomoyo_acl_param". + * @type: Type of this group. + * + * Returns 0 on success, negative value otherwise. + */ +int tomoyo_write_group(struct tomoyo_acl_param *param, const u8 type) +{ + struct tomoyo_group *group = tomoyo_get_group(param, type); + int error = -EINVAL; + + if (!group) + return -ENOMEM; + param->list = &group->member_list; + if (type == TOMOYO_PATH_GROUP) { + struct tomoyo_path_group e = { }; + + e.member_name = tomoyo_get_name(tomoyo_read_token(param)); + if (!e.member_name) { + error = -ENOMEM; + goto out; + } + error = tomoyo_update_policy(&e.head, sizeof(e), param, + tomoyo_same_path_group); + tomoyo_put_name(e.member_name); + } else if (type == TOMOYO_NUMBER_GROUP) { + struct tomoyo_number_group e = { }; + + if (param->data[0] == '@' || + !tomoyo_parse_number_union(param, &e.number)) + goto out; + error = tomoyo_update_policy(&e.head, sizeof(e), param, + tomoyo_same_number_group); + /* + * tomoyo_put_number_union() is not needed because + * param->data[0] != '@'. + */ + } else { + struct tomoyo_address_group e = { }; + + if (param->data[0] == '@' || + !tomoyo_parse_ipaddr_union(param, &e.address)) + goto out; + error = tomoyo_update_policy(&e.head, sizeof(e), param, + tomoyo_same_address_group); + } +out: + tomoyo_put_group(group); + return error; +} + +/** + * tomoyo_path_matches_group - Check whether the given pathname matches members of the given pathname group. + * + * @pathname: The name of pathname. + * @group: Pointer to "struct tomoyo_path_group". + * + * Returns matched member's pathname if @pathname matches pathnames in @group, + * NULL otherwise. + * + * Caller holds tomoyo_read_lock(). + */ +const struct tomoyo_path_info * +tomoyo_path_matches_group(const struct tomoyo_path_info *pathname, + const struct tomoyo_group *group) +{ + struct tomoyo_path_group *member; + + list_for_each_entry_rcu(member, &group->member_list, head.list, + srcu_read_lock_held(&tomoyo_ss)) { + if (member->head.is_deleted) + continue; + if (!tomoyo_path_matches_pattern(pathname, member->member_name)) + continue; + return member->member_name; + } + return NULL; +} + +/** + * tomoyo_number_matches_group - Check whether the given number matches members of the given number group. + * + * @min: Min number. + * @max: Max number. + * @group: Pointer to "struct tomoyo_number_group". + * + * Returns true if @min and @max partially overlaps @group, false otherwise. + * + * Caller holds tomoyo_read_lock(). + */ +bool tomoyo_number_matches_group(const unsigned long min, + const unsigned long max, + const struct tomoyo_group *group) +{ + struct tomoyo_number_group *member; + bool matched = false; + + list_for_each_entry_rcu(member, &group->member_list, head.list, + srcu_read_lock_held(&tomoyo_ss)) { + if (member->head.is_deleted) + continue; + if (min > member->number.values[1] || + max < member->number.values[0]) + continue; + matched = true; + break; + } + return matched; +} + +/** + * tomoyo_address_matches_group - Check whether the given address matches members of the given address group. + * + * @is_ipv6: True if @address is an IPv6 address. + * @address: An IPv4 or IPv6 address. + * @group: Pointer to "struct tomoyo_address_group". + * + * Returns true if @address matches addresses in @group group, false otherwise. + * + * Caller holds tomoyo_read_lock(). + */ +bool tomoyo_address_matches_group(const bool is_ipv6, const __be32 *address, + const struct tomoyo_group *group) +{ + struct tomoyo_address_group *member; + bool matched = false; + const u8 size = is_ipv6 ? 16 : 4; + + list_for_each_entry_rcu(member, &group->member_list, head.list, + srcu_read_lock_held(&tomoyo_ss)) { + if (member->head.is_deleted) + continue; + if (member->address.is_ipv6 != is_ipv6) + continue; + if (memcmp(&member->address.ip[0], address, size) > 0 || + memcmp(address, &member->address.ip[1], size) > 0) + continue; + matched = true; + break; + } + return matched; +} -- cgit v1.3.1