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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2008-2012 Free Software Foundation, Inc.
GNU Mailutils 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, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
/* Implementation of ID extension (RFC 2971) */
#include "imap4d.h"
#include <sys/utsname.h>
mu_list_t imap4d_id_list;
static int
eat_args (imap4d_tokbuf_t tok)
{
int n = IMAP4_ARG_1;
char *p;
p = imap4d_tokbuf_getarg (tok, n++);
if (!p)
return RESP_BAD;
if (mu_c_strcasecmp (p, "NIL") == 0)
{
if (imap4d_tokbuf_getarg (tok, n))
return RESP_BAD;
return RESP_OK;
}
else if (p[0] != '(')
return RESP_BAD;
/* Collect arguments */
while ((p = imap4d_tokbuf_getarg (tok, n++)))
{
if (p[0] == ')')
{
if (imap4d_tokbuf_getarg (tok, n))
return RESP_BAD;
return RESP_OK;
}
}
return RESP_BAD;
}
struct id_value
{
char *name;
char *value;
const char *(*fun) (struct id_value *idv);
};
static const char *
get_os (struct id_value *idv)
{
struct utsname uts;
uname(&uts);
return idv->value = mu_strdup (uts.sysname);
}
static const char *
get_os_version (struct id_value *idv)
{
struct utsname uts;
uname(&uts);
return idv->value = mu_strdup (uts.version);
}
static const char *
get_command (struct id_value *idv MU_ARG_UNUSED)
{
return mu_program_name;
}
static char *
build_str (char **argv)
{
size_t size = 0;
int i, j;
char *buf, *p;
for (j = 0; argv[j]; j++)
{
size_t len = strlen (argv[j]);
if (size + len + 1 > 1024)
break;
size += len + 1;
}
buf = mu_alloc (size);
for (i = 0, p = buf; argv[i];)
{
strcpy (p, argv[i]);
p += strlen (p);
if (++i < j)
*p++ = ' ';
else
break;
}
*p = 0;
return buf;
}
static const char *
get_arguments (struct id_value *idv)
{
return idv->value = build_str (imap4d_argv + 1);
}
static const char *
get_environment (struct id_value *idv)
{
extern char **environ;
return idv->value = build_str (environ);
}
static struct id_value id_tab[] = {
{ "name", PACKAGE_NAME },
{ "version", PACKAGE_VERSION },
{ "vendor", "GNU" },
{ "support-url", "http://www.gnu.org/software/mailutils" },
{ "address",
"51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA" },
#if 0
/* FIXME */
{ "date", NULL },
#endif
{ "os", NULL, get_os },
{ "os-version", NULL, get_os_version },
{ "command", NULL, get_command },
{ "arguments", NULL, get_arguments },
{ "environment", NULL, get_environment },
{ NULL }
};
static const char *
get_id_value (const char *name)
{
struct id_value *idv;
const char *val = NULL;
for (idv = id_tab; idv->name; idv++)
{
if (strcmp (idv->name, name) == 0)
{
if (idv->value)
val = idv->value;
else if (idv->fun)
val = idv->fun (idv);
break;
}
}
return val;
}
int
imap4d_id (struct imap4d_session *session,
struct imap4d_command *command, imap4d_tokbuf_t tok)
{
int rc = eat_args (tok);
if (rc != RESP_OK)
return io_completion_response (command, rc, "Syntax error");
if (imap4d_id_list)
{
mu_iterator_t itr;
int i;
int outcnt = 0;
mu_list_get_iterator (imap4d_id_list, &itr);
for (i = 0, mu_iterator_first (itr);
i < 30 && !mu_iterator_is_done (itr);
i++, mu_iterator_next (itr))
{
const char *p, *q;
size_t len;
mu_iterator_current (itr, (void**)&p);
len = strcspn (p, "=");
if (p[len])
q = p + len + 1;
else
q = get_id_value (p);
if (q)
{
if (outcnt++ == 0)
io_sendf ("* ID (");
else
io_sendf (" ");
io_sendf ("\"%*.*s\" \"%s\"", (int) len, (int) len, p, q);
}
}
mu_iterator_destroy (&itr);
if (outcnt)
io_sendf (")\n");
}
return io_completion_response (command, RESP_OK, "Completed");
}
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