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Diffstat (limited to 'package/base-files/files/lib/config/validate_spec.awk')
| -rw-r--r-- | package/base-files/files/lib/config/validate_spec.awk | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/package/base-files/files/lib/config/validate_spec.awk b/package/base-files/files/lib/config/validate_spec.awk deleted file mode 100644 index 0816c0829..000000000 --- a/package/base-files/files/lib/config/validate_spec.awk +++ /dev/null @@ -1,171 +0,0 @@ -# AWK file for validating uci specification files -# -# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de> -# Copyright (C) 2007 by Felix Fietkau <nbd@openwrt.org> -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# -# -# general: unfortunately, the development was done using gawk providing -# a different match() functions than e.g. mawk on debian systems -# - therefore, the script was changed to run on most awk's -# - even things like [:space:] are not used -# -# - script parses the config section definition contained in one -# specification file -# global variables: -# * section - contains the current config section name -# * var - contains the name of the current config option -# * type - contains the type of the current config option -# * required - contains the requirements of the current config option -# * optional - contains the optional scope of the current config option -# * vars[] - array, contains the name of all config options valid within -# a certain config section, format: csv -# -# XXX todo: more than one config option with the same in different section -# will clash for the following tables -# * types[] - contains the type of a config option -# * reqs[] - contains the requirements of a config option -# * opts[] - contains the optional scope of a config option -# - -# - check requirement validates, if the config option is required in -# the config section type and if so, if it is defined -# - the functions exits with error in case of non-conforming -# behaviour -# XXX todo: use return instead of exit -# -function check_requirements(vsec,var) { - # check, if config option is required in all cases - if (reqs[vsec "_" var] == 1) { - # option is always required, is it defined? - if (!length(ENVIRON["CONFIG_" vsec "_" var])) { - print STDERR "Error: missing config option " var " in " vsec - exit 1 - } - - # check, if config option is required only when other options - # have certain values - } else if (length(reqs[vsec "_" var])) { - # - check all requirements, e.g. proto=static,proto=pptp - # - note, that the required flag is tiggered if at least one - # of the conditions is met - split(reqs[vsec "_" var],arr,","); - for (idx in arr) { - # parse the condition space tolerant - if (!match(arr[idx],"^[ \t\n]*[^ \t\n=]+"\ - "[ \t\n]*=.+")) { - print STDERR "Error: invalid requirement "\ - "in spec file for " var " : " arr[idx] - exit 1 - } - # get the name of the variable - match(arr[idx],"[^ \t\n=]+"); - name=substr(arr[idx],RSTART,RLENGTH) - mrest=substr(arr[idx],RSTART+RLENGTH) - # get the spaces - match(mrest,"[ \t\n]*=[ \t\n]*") - val=substr(mrest,RSTART+RLENGTH) - # check the condition - if (ENVIRON["CONFIG_" vsec "_" name] == val) { - # condition is met, check requirement - if (!length(ENVIRON["CONFIG_" vsec "_" var])) { - print STDERR "Error: missing config " \ - "option " var " in " vsec - exit 1 - } - } - } - } -} - -# is_valid just returns true(1)/false(0) if the -# given value is conform with the type definition -# NOTE: this function needs the type validating function from -# validate_config.awk -# -function is_valid(type,value) { - - # the enum type contains a definition of all allowed values as csv - # e.g. enum,alpha,beta,gamma - if (type ~ "enum" ) { - split(type,tarr,",") - for (num in tarr) { - if (num > 0) { - gsub("^[ \t\n]*","",tarr[num]); - gsub("[ \t\n]*$","",tarr[num]); - if (tarr[num] == value) { - return 1 - } - } - } - return 0; - } - - # all other types are checked as defined in the former validate.awk - if (type ~ "int") return is_int(value) - if (type ~ "ip" ) return is_ip(value) - if (type ~ "netmask" ) return is_netmask(value) - if (type ~ "string" ) return is_string(value) - if (type ~ "wep" ) return is_wep(value) - if (type ~ "hostname" ) return is_hostname(value) - if (type ~ "mac" ) return is_mac(value) - if (type ~ "port" ) return is_port(value) - if (type ~ "ports" ) return is_ports(value) - if (type ~ "wpapsk" ) return is_wpapsk(value) -} - -# validate_config compares the specification as parsed from the spec file -# with the environment variables -# CONFIG_SECTION contains the relevant config section name, e.g. wan -# CONFIG_<section>_TYPE contains the type of the config, e.g. interface -# CONFIG_<section>_<var> contains the value of the config option <var> -# -function validate_config() { - # get the config section name - vname=ENVIRON["CONFIG_SECTION"] - if (!length(vname)) { - print STDERR "Error: no current configuration" - exit 1 - } - # get the config section type - vsec=ENVIRON["CONFIG_" vname "_TYPE"] - if (!length(vsec)) { - print STDERR "Error: section " vsec " not found" - exit 1 - } - - # loop through all config options specified for this section type - split(vars[vsec],options,",") - for (oidx in options) { - # first, look for all required attributes - var=options[oidx] - check_requirements(vname,var) - - # next look at each option and validate it - val=ENVIRON["CONFIG_" vname "_" var] - if (length(val)) { - if (!is_valid(types[vsec "_" var],val)) { - print "Error: type validation error for '" var "' in section '" vname "'" - exit 1 - } - } - } -} - - -END { - validate_config() -} |