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-rwxr-xr-xplugins/sudoers/mkdefaults164
1 files changed, 164 insertions, 0 deletions
diff --git a/plugins/sudoers/mkdefaults b/plugins/sudoers/mkdefaults
new file mode 100755
index 0000000..c1b9396
--- /dev/null
+++ b/plugins/sudoers/mkdefaults
@@ -0,0 +1,164 @@
+#!/bin/sh
+#
+# Generate sudo_defs_table and associated defines
+#
+# Input should be formatted thusly:
+#
+# var_name
+# TYPE
+# description (or NULL)
+# array of struct def_values if TYPE == T_TUPLE [optional]
+# *callback [optional]
+
+# Deal with optional -o (output) argument
+if [ "$1" = "-o" ]; then
+ OUTFILE="$2"
+ shift 2
+else
+ OUTFILE=def_data
+fi
+if [ $# -gt 0 ]; then
+ INFILE="$1"
+ shift
+else
+ INFILE=def_data.in
+fi
+if [ $# -gt 0 ]; then
+ echo "usage: $0 [-o output] [input_file]" 1>&2
+fi
+
+${AWK-awk} -f - -v outfile=$OUTFILE $INFILE <<'EOF'
+BEGIN {
+ tuple_values[0] = "never"
+ tuple_keys["never"] = 0
+ ntuples = 1
+ header = outfile ".h"
+ cfile = outfile ".c"
+
+ type_map["T_INT"] = "ival"
+ type_map["T_UINT"] = "uival"
+ type_map["T_STR"] = "str"
+ type_map["T_FLAG"] = "flag"
+ type_map["T_MODE"] = "mode"
+ type_map["T_LIST"] = "list"
+ type_map["T_LOGFAC"] = "ival"
+ type_map["T_LOGPRI"] = "ival"
+ type_map["T_TUPLE"] = "tuple"
+ type_map["T_TIMESPEC"] = "tspec"
+ type_map["T_TIMEOUT"] = "ival"
+ type_map["T_RLIMIT"] = "str"
+}
+{
+ sub(/#.*/, "", $0)
+ if (/^[[:blank:]]*$/) next
+ if (/^[[:alpha:]]/) {
+ # Store previous record and begin new one
+ if (var)
+ records[count++] = sprintf("%s\n%s\n%s\n%s\n%s\n", var, type, desc, values, callback)
+ var = $1
+ type = ""
+ desc = ""
+ values = ""
+ callback = ""
+ state = 0
+ } else {
+ state++
+ # Strip leading/trailing whitespace
+ gsub(/^[ \t]+|[ \t]+$/, "")
+ if (state == 1) {
+ # type
+ type = $1
+ } else if (state == 2) {
+ # description
+ if ($0 == "NULL") {
+ desc = "NULL"
+ } else {
+ # Strip leading and trailing double quote and escape the rest
+ gsub(/^"|"$/, "")
+ gsub(/"/, "\\\"")
+ desc = sprintf("N_(\"%s\")", $0)
+ }
+ } else if (state == 3 || state == 4) {
+ if (/^\*/) {
+ callback = substr($0, 2)
+ } else {
+ if (type ~ /^T_TUPLE/) {
+ values = $0
+ # Add to tuple_values as necessary
+ n = split(values, vals)
+ for (i = 1; i <= n; i++) {
+ if (!(vals[i] in tuple_keys)) {
+ tuple_keys[vals[i]] = ntuples
+ tuple_values[ntuples++] = vals[i]
+ }
+ }
+ }
+ }
+ } else {
+ die("syntax error in input near line " NR)
+ }
+ }
+}
+END {
+ if (var)
+ records[count++] = sprintf("%s\n%s\n%s\n%s\n%s\n", var, type, desc, values, callback)
+
+ print "/* generated file, do not edit */\n" > header
+ print "/* generated file, do not edit */\n" > cfile
+
+ # Print out value arrays
+ for (i = 0; i < count; i++) {
+ split(records[i], fields, "\n")
+ if (fields[4]) {
+ if (fields[2] !~ /^T_TUPLE/)
+ die("Values list specified for non-tuple " records[1])
+ printf "static struct def_values def_data_%s[] = {\n", fields[1] > cfile
+ n = split(fields[4], t)
+ for (j = 1; j <= n; j++) {
+ printf " { \"%s\", %s },\n", t[j], t[j] > cfile
+ }
+ print " { NULL, 0 }," > cfile
+ print "};\n" > cfile
+ }
+ }
+
+ # Print each record
+ print "struct sudo_defs_types sudo_defs_table[] = {\n {" > cfile
+ for (i = 0; i < count; i++) {
+ print_record(records[i], i)
+ }
+ print "\tNULL, 0, NULL\n }\n};" > cfile
+
+ # Print out def_tuple
+ print "\nenum def_tuple {" > header
+ for (i = 0; i < ntuples; i++)
+ printf "%s %s", i ? ",\n" : "", tuple_values[i] > header
+ print "\n};" > header
+}
+
+function die(msg) {
+ print msg > "/dev/stderr"
+ exit 1
+}
+
+function print_record(rec, recnum) {
+ split(rec, fields, "\n")
+ type = fields[2]
+ sub(/\|.*/, "", type)
+ if (!(type in type_map))
+ die("unknown defaults type " fields[2])
+
+ # each variable gets a macro to access its value
+ defname = "I_" toupper(fields[1])
+ printf "#define %-23s %d\n", defname, recnum > header
+ printf "#define def_%-19s (sudo_defs_table[%s].sd_un.%s)\n",
+ fields[1], defname, type_map[type] > header
+
+ printf "\t\"%s\", %s,\n\t%s,\n", fields[1], fields[2], fields[3] > cfile
+ printf "\t%s,\n", fields[4] ? "def_data_" fields[1] : "NULL" > cfile
+ if (fields[5]) {
+ printf "\t%s,\n", fields[5] > cfile
+ }
+ print " }, {" > cfile
+}
+EOF