summaryrefslogtreecommitdiff
path: root/script/mks3param.pl
blob: 376f7ae85f8e722fef68344df432af5c2cd63929 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
#!/usr/bin/perl
# Generate loadparm interfaces tables for Samba3/Samba4 integration
# by Andrew Bartlett
# based on mkproto.pl Written by Jelmer Vernooij
# based on the original mkproto.sh by Andrew Tridgell

use strict;

# don't use warnings module as it is not portable enough
# use warnings;

use Getopt::Long;
use File::Basename;
use File::Path;

#####################################################################
# read a file into a string

my $file = undef;
my $public_define = undef;
my $_public = "";
my $_private = "";
my $public_data = \$_public;
my $builddir = ".";
my $srcdir = ".";

sub public($)
{
	my ($d) = @_;
	$$public_data .= $d;
}

sub usage()
{
	print "Usage: mks3param.pl [options] [c files]\n";
	print "OPTIONS:\n";
	print "  --srcdir=path          Read files relative to this directory\n";
	print "  --builddir=path        Write file relative to this directory\n";
	print "  --help                 Print this help message\n\n";
	exit 0;
}

GetOptions(
	'file=s' => sub { my ($f,$v) = @_; $file = $v; },
	'srcdir=s' => sub { my ($f,$v) = @_; $srcdir = $v; },
	'builddir=s' => sub { my ($f,$v) = @_; $builddir = $v; },
	'help' => \&usage
) or exit(1);

sub normalize_define($$)
{
	my ($define, $file) = @_;

	if (not defined($define) and defined($file)) {
		$define = "__" . uc($file) . "__";
		$define =~ tr{./}{__};
		$define =~ tr{\-}{_};
	} elsif (not defined($define)) {
		$define = '_S3_PARAM_H_';
	}

	return $define;
}

$public_define = normalize_define($public_define, $file);

sub file_load($)
{
    my($filename) = @_;
    local(*INPUTFILE);
    open(INPUTFILE, $filename) or return undef;
    my($saved_delim) = $/;
    undef $/;
    my($data) = <INPUTFILE>;
    close(INPUTFILE);
    $/ = $saved_delim;
    return $data;
}

sub print_header($$)
{
	my ($file, $header_name) = @_;
	$file->("#ifndef $header_name\n");
	$file->("#define $header_name\n\n");
	$file->("/* This file was automatically generated by mks3param.pl. DO NOT EDIT */\n\n");
	$file->("struct loadparm_s3_context\n");
	$file->("{\n");
	$file->("\tconst char * (*get_parametric)(struct loadparm_service *, const char *type, const char *option);\n");
	$file->("\tstruct parm_struct * (*get_parm_struct)(const char *param_name);\n");
	$file->("\tvoid * (*get_parm_ptr)(struct loadparm_service *service, struct parm_struct *parm);\n");
	$file->("\tstruct loadparm_service * (*get_service)(const char *service_name);\n");
	$file->("\tstruct loadparm_service * (*get_default_loadparm_service)(void);\n");
	$file->("\tstruct loadparm_service * (*get_servicebynum)(int snum);\n");
	$file->("\tint (*get_numservices)(void);\n");
	$file->("\tbool (*load)(const char *filename);\n");
	$file->("\tbool (*set_cmdline)(const char *pszParmName, const char *pszParmValue);\n");
	$file->("\tvoid (*dump)(FILE *f, bool show_defaults, int maxtoprint);\n");
	$file->("\tint (*server_role)(void);\n");
	$file->("\tint (*security)(void);\n");
}

sub print_footer($$) 
{
	my ($file, $header_name) = @_;
	$file->("};");
	$file->("\n#endif /* $header_name */\n\n");
}

sub handle_loadparm($$) 
{
	my ($file,$line) = @_;

	if ($line =~ /^FN_(GLOBAL|LOCAL)_(CONST_STRING|STRING|BOOL|bool|CHAR|INTEGER|LIST)\((\w+),.*\)/o) {
		my $scope = $1;
		my $type = $2;
		my $name = $3;

		my %tmap = (
			    "BOOL" => "bool ",
			    "CONST_STRING" => "const char *",
			    "STRING" => "const char *",
			    "INTEGER" => "int ",
			    "CHAR" => "char ",
			    "LIST" => "const char **",
			    );

		$file->("\t$tmap{$type} (*$name)(void);\n");
	}
}

sub process_file($$) 
{
	my ($file, $filename) = @_;

	$filename =~ s/\.o$/\.c/g;

	if ($filename =~ /^\//) {
		open(FH, "<$filename") or die("Failed to open $filename");
	} elsif (!open(FH, "< $builddir/$filename")) {
	    open(FH, "< $srcdir/$filename") || die "Failed to open $filename";
	}

	my $comment = undef;
	my $incomment = 0;
	while (my $line = <FH>) {	      
		if ($line =~ /^\/\*\*/) { 
			$comment = "";
			$incomment = 1;
		}

		if ($incomment) {
			$comment .= $line;
			if ($line =~ /\*\//) {
				$incomment = 0;
			}
		} 

		# these are ordered for maximum speed
		next if ($line =~ /^\s/);
	      
		next unless ($line =~ /\(/);

		next if ($line =~ /^\/|[;]/);

		if ($line =~ /^FN_/) {
			handle_loadparm($file, $line);
		}
		next;
	}

	close(FH);
}


print_header(\&public, $public_define);

process_file(\&public, $_) foreach (@ARGV);
print_footer(\&public, $public_define);

if (not defined($file)) {
	print STDOUT $$public_data;
}

mkpath(dirname($file), 0, 0755);
open(PUBLIC, ">$file") or die("Can't open `$file': $!"); 
print PUBLIC "$$public_data";
close(PUBLIC);