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/* Copyright (C) 2013 Ben Asselstine
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 3 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 Library 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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include <config.h>
#include <stdlib.h>
#include <unistd.h>
#include "licensing_priv.h"
#include "fdl.h"
#include "gettext-more.h"
#include "xvasprintf.h"
#include "read-file.h"
#include "error.h"
#include "util.h"
enum lgpl_version_opts
{
OPT_V11 = -411,
OPT_V12,
OPT_V13,
};
static struct argp_option argp_options[] =
{
{"full-html", 'h', NULL, 0,
N_("show full license in html instead of text")},
{"full", 'f', NULL, 0, N_("show the full license text")},
{"v1.1", OPT_V11, NULL, 0, N_("show version 1.1 of the fdl")},
{"v1.2", OPT_V12, NULL, 0, N_("show version 1.2 of the fdl")},
{"v1.3", OPT_V13, NULL, 0, N_("show version 1.3 of the fdl")},
{"jerkwad", 'j', NULL, 0, N_("remove the or-any-later-version clause")},
{"list-licenses", 'l', NULL, OPTION_HIDDEN, N_("show licenses and exit")},
{0}
};
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
struct lu_fdl_options_t *opt = NULL;
if (state)
opt = (struct lu_fdl_options_t*) state->input;
switch (key)
{
case 'l':
{
char **license = fdl.licenses;
while (*license)
fprintf (stdout, "%s\n", *license++);
exit (0);
}
break;
case 'j':
opt->future_versions = 0;
break;
case 'f':
opt->full = 1;
break;
case 'h':
opt->html = 1;
break;
case OPT_V11:
opt->version = 1;
break;
case OPT_V12:
opt->version = 2;
break;
case OPT_V13:
opt->version = 3;
break;
case ARGP_KEY_INIT:
opt->html = 0;
opt->full = 0;
opt->version = 3;
opt->future_versions = 1;
break;
case ARGP_KEY_FINI:
if (opt->future_versions == 0 && opt->html)
{
argp_failure (state, 0, 0,
N_("--jerkwad cannot be used with --full-html"));
argp_state_help (state, stderr, ARGP_HELP_STD_ERR);
}
else if (opt->future_versions == 0 && opt->full)
{
argp_failure (state, 0, 0,
N_("--jerkwad cannot be used with --full"));
argp_state_help (state, stderr, ARGP_HELP_STD_ERR);
}
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
#undef FDL_DOC
#define FDL_DOC N_("Show the GNU Free Documentation License notice.")
static struct argp argp = { argp_options, parse_opt, "", FDL_DOC};
int
lu_fdl_parse_argp (struct lu_state_t *state, int argc, char **argv)
{
int err = 0;
struct lu_fdl_options_t opts;
opts.state = state;
err = argp_parse (&argp, argc, argv, state->argp_flags, 0, &opts);
if (!err)
return lu_fdl (state, &opts);
else
return err;
}
int
show_lu_fdl(struct lu_state_t *state, struct lu_fdl_options_t *options)
{
char *file;
if (options->version == 1)
file = strdup ("old-licenses/fdl-1.1");
else if (options->version == 2)
file = strdup ("old-licenses/fdl-1.2");
else
file = strdup ("fdl-1.3");
char *url = xasprintf ("%s/licenses/%s%s.%s", GNU_SITE, file,
options->html ? "-standalone" : "",
options->html ? "html" : "txt");
free (file);
int err = 0;
char tmp[sizeof(PACKAGE) + 13];
snprintf (tmp, sizeof tmp, "/tmp/%s.XXXXXX", PACKAGE);
int fd = mkstemp(tmp);
close (fd);
FILE *fileptr = fopen (tmp, "wb");
curl_easy_setopt (state->curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt (state->curl, CURLOPT_URL, url);
curl_easy_setopt (state->curl, CURLOPT_WRITEDATA, fileptr);
curl_easy_perform(state->curl);
fflush (fileptr);
fsync (fileno (fileptr));
fclose (fileptr);
int response = 0;
curl_easy_getinfo (state->curl, CURLINFO_RESPONSE_CODE, &response);
if (response != 200)
{
remove (tmp);
error (0, 0, N_("got unexpected response code %d from %s"), response,
url);
err = 1;
return err;
}
free (url);
fileptr = fopen (tmp, "r");
size_t data_len = 0;
char *data = fread_file (fileptr, &data_len);
fclose (fileptr);
remove (tmp);
if (options->html || options->full)
luprintf (state, "%s\n", data);
else
{
int replace = !options->future_versions;
switch (options->version)
{
case 1:
err = show_lines_after
(state, data, " Permission is granted to copy,", 7, replace,
"or any later version", "of the License as");
break;
case 2:
err = show_lines_after (state, data,
" Permission is granted to copy,",
6, replace, "or any later version",
"of the License as");
break;
case 3:
err = show_lines_after (state, data,
" Permission is granted to copy,",
6, replace, "or any later version",
"of the License as");
break;
}
}
free (data);
return err;
}
int
lu_fdl (struct lu_state_t *state, struct lu_fdl_options_t *options)
{
int err = 0;
err = show_lu_fdl(state, options);
return err;
}
struct lu_command_t fdl =
{
.name = N_("fdl"),
.doc = FDL_DOC,
.flags = IS_A_LICENSE | DO_NOT_SHOW_IN_HELP | SAVE_IN_HISTORY,
.argp = &argp,
.parser = lu_fdl_parse_argp,
.licenses =
{
"fdlv13+ fdl --v1.3",
"fdlv13 fdl --v1.3 --jerkwad",
"fdlv12+ fdl --v1.2",
"fdlv12 fdl --v1.2 --jerkwad",
"fdlv11+ fdl --v1.1",
"fdlv11 fdl --v1.1 --jerkwad",
NULL
}
};
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