url_pop.c
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2, 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 Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <url0.h>
#include <registrar0.h>
static void url_pop_destroy (url_t url);
static void
url_pop_destroy (url_t url)
{
(void)url;
}
/*
POP URL
pop://[<user>;AUTH=<auth>@]<host>[:<port>]
*/
int
_url_pop_init (url_t url)
{
const char *host_port, *indexe;
char *name = url->name;
/* reject the obvious */
if (name == NULL || strncmp (MU_POP_SCHEME, name, MU_POP_SCHEME_LEN) != 0)
return EINVAL;
/* do I need to decode url encoding '% hex hex' ? */
/* TYPE */
url->_destroy = url_pop_destroy;
/* SCHEME */
url->scheme = strdup (MU_POP_SCHEME);
if (url->scheme == NULL)
{
url_pop_destroy (url);
return ENOMEM;
}
name += MU_POP_SCHEME_LEN; /* pass the scheme */
host_port = strchr (name, '@');
if (host_port == NULL)
host_port= name;
/* looking for "user;auth=auth-enc" */
for (indexe = name; indexe != host_port; indexe++)
{
/* Auth ? */
if (*indexe == ';')
{
/* make sure it's the token */
if (strncasecmp(indexe + 1, "auth=", 5) == 0)
break;
}
}
/* USER */
url->user = malloc(indexe - name + 1);
if (url->user == NULL)
{
url_pop_destroy (url);
return -1;
}
((char *)memcpy(url->user, name, indexe - name))[indexe - name] = '\0';
/* AUTH */
if (indexe == host_port)
{
/* Use default AUTH '*' */
url->auth = malloc (1 + 1);
if (url->auth)
{
url->auth[0] = '*';
url->auth[1] = '\0';
}
}
else
{
/* move pass AUTH= */
indexe += 6;
url->auth = malloc (host_port - indexe + 1);
if (url->auth)
{
((char *)memcpy (url->auth, indexe, host_port - indexe))
[host_port - indexe] = '\0';
}
}
if (url->auth == NULL)
{
url_pop_destroy (url);
return -1;
}
/* HOST:PORT */
if (*host_port == '@')
host_port++;
indexe = strchr (host_port, ':');
if (indexe == NULL)
{
url->host = strdup (host_port);
url->port = MU_POP_PORT;
}
else
{
long p = strtol(indexe + 1, NULL, 10);
url->host = malloc (indexe - host_port + 1);
if (url->host)
{
((char *)memcpy (url->host, host_port, indexe - host_port))
[indexe - host_port]='\0';
url->port = (p == 0) ? MU_POP_PORT : p;
}
}
if (url->host == NULL)
{
url_pop_destroy (url);
return ENOMEM;
}
else
{
/* playing smart and nuking any trailing slashes on the host */
size_t len = strlen (url->host);
if (url->host[len - 1] == '/')
url->host[len - 1] = '\0'; /* leak a bit */
}
return 0;
}