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https://github.com/AsahiLinux/u-boot
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5e541c48a7
Fix "setenv gatewayip6". Synchronize IPv6 local variables with environment variables in netboot_update_env() Signed-off-by: Sean Edmond <seanedmond@microsoft.com>
192 lines
4.8 KiB
C
192 lines
4.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2012
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* Joe Hershberger, National Instruments, joe.hershberger@ni.com
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*/
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#ifndef __ENV_FLAGS_H__
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#define __ENV_FLAGS_H__
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enum env_flags_vartype {
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env_flags_vartype_string,
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env_flags_vartype_decimal,
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env_flags_vartype_hex,
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env_flags_vartype_bool,
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#ifdef CONFIG_NET
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env_flags_vartype_ipaddr,
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env_flags_vartype_macaddr,
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#endif
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env_flags_vartype_end
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};
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enum env_flags_varaccess {
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env_flags_varaccess_any,
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env_flags_varaccess_readonly,
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env_flags_varaccess_writeonce,
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env_flags_varaccess_changedefault,
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#ifdef CONFIG_ENV_WRITEABLE_LIST
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env_flags_varaccess_writeable,
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#endif
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env_flags_varaccess_end
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};
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#define ENV_FLAGS_VAR ".flags"
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#define ENV_FLAGS_ATTR_MAX_LEN 2
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#define ENV_FLAGS_VARTYPE_LOC 0
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#define ENV_FLAGS_VARACCESS_LOC 1
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#ifndef CFG_ENV_FLAGS_LIST_STATIC
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#define CFG_ENV_FLAGS_LIST_STATIC ""
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#endif
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#ifdef CONFIG_NET
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#ifdef CONFIG_REGEX
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#define ETHADDR_WILDCARD "\\d*"
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#else
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#define ETHADDR_WILDCARD
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#endif
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#ifdef CONFIG_ENV_OVERWRITE
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#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:ma,"
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#else
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#ifdef CONFIG_OVERWRITE_ETHADDR_ONCE
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#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:mc,"
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#else
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#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:mo,"
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#endif
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#endif
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#define NET_FLAGS \
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"ipaddr:i," \
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"gatewayip:i," \
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"netmask:i," \
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"serverip:i," \
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"nvlan:d," \
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"vlan:d," \
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"dnsip:i,"
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#else
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#define ETHADDR_FLAGS
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#define NET_FLAGS
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#endif
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#ifdef CONFIG_IPV6
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#define NET6_FLAGS \
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"ip6addr:s," \
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"serverip6:s," \
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"gatewayip6:s,"
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#else
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#define NET6_FLAGS
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#endif
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#ifndef CONFIG_ENV_OVERWRITE
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#define SERIAL_FLAGS "serial#:so,"
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#else
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#define SERIAL_FLAGS ""
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#endif
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#define ENV_FLAGS_LIST_STATIC \
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ETHADDR_FLAGS \
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NET_FLAGS \
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NET6_FLAGS \
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SERIAL_FLAGS \
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CFG_ENV_FLAGS_LIST_STATIC
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#ifdef CONFIG_CMD_ENV_FLAGS
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/*
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* Print the whole list of available type flags.
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*/
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void env_flags_print_vartypes(void);
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/*
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* Print the whole list of available access flags.
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*/
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void env_flags_print_varaccess(void);
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/*
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* Return the name of the type.
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*/
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const char *env_flags_get_vartype_name(enum env_flags_vartype type);
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/*
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* Return the name of the access.
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*/
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const char *env_flags_get_varaccess_name(enum env_flags_varaccess access);
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#endif
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/*
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* Parse the flags string from a .flags attribute list into the vartype enum.
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*/
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enum env_flags_vartype env_flags_parse_vartype(const char *flags);
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/*
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* Parse the flags string from a .flags attribute list into the varaccess enum.
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*/
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enum env_flags_varaccess env_flags_parse_varaccess(const char *flags);
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/*
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* Parse the binary flags from a hash table entry into the varaccess enum.
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*/
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enum env_flags_varaccess env_flags_parse_varaccess_from_binflags(int binflags);
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#ifdef CONFIG_NET
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/*
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* Check if a string has the format of an Ethernet MAC address
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*/
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int eth_validate_ethaddr_str(const char *addr);
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#endif
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#ifdef USE_HOSTCC
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/*
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* Look up the type of a variable directly from the .flags var.
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*/
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enum env_flags_vartype env_flags_get_type(const char *name);
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/*
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* Look up the access of a variable directly from the .flags var.
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*/
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enum env_flags_varaccess env_flags_get_access(const char *name);
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/*
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* Validate the newval for its type to conform with the requirements defined by
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* its flags (directly looked at the .flags var).
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*/
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int env_flags_validate_type(const char *name, const char *newval);
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/*
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* Validate the newval for its access to conform with the requirements defined
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* by its flags (directly looked at the .flags var).
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*/
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int env_flags_validate_access(const char *name, int check_mask);
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/*
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* Validate that the proposed access to variable "name" is valid according to
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* the defined flags for that variable, if any.
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*/
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int env_flags_validate_varaccess(const char *name, int check_mask);
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/*
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* Validate the parameters passed to "env set" for type compliance
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*/
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int env_flags_validate_env_set_params(char *name, char *const val[], int count);
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#else /* !USE_HOSTCC */
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#include <env.h>
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#include <search.h>
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/*
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* When adding a variable to the environment, initialize the flags for that
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* variable.
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*/
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void env_flags_init(struct env_entry *var_entry);
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/*
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* Validate the newval for to conform with the requirements defined by its flags
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*/
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int env_flags_validate(const struct env_entry *item, const char *newval,
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enum env_op op, int flag);
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#endif /* USE_HOSTCC */
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/*
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* These are the binary flags used in the environment entry->flags variable to
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* decribe properties of veriables in the table
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*/
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#define ENV_FLAGS_VARTYPE_BIN_MASK 0x00000007
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/* The actual variable type values use the enum value (within the mask) */
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#define ENV_FLAGS_VARACCESS_PREVENT_DELETE 0x00000008
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#define ENV_FLAGS_VARACCESS_PREVENT_CREATE 0x00000010
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#define ENV_FLAGS_VARACCESS_PREVENT_OVERWR 0x00000020
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#define ENV_FLAGS_VARACCESS_PREVENT_NONDEF_OVERWR 0x00000040
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#define ENV_FLAGS_VARACCESS_WRITEABLE 0x00000080
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#define ENV_FLAGS_VARACCESS_BIN_MASK 0x000000f8
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#endif /* __ENV_FLAGS_H__ */
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