mirror of
https://github.com/MidnightCommander/mc
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149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
/* Utilities for VFS modules.
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Currently includes login and tcp open socket routines.
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Copyright (C) 1995, 1996 Miguel de Icaza
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Namespace: exports vfs_split_url */
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#include <config.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <signal.h>
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#include <string.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#include <errno.h>
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#include "utilvfs.h"
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#include "vfs.h"
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/* Extract the hostname and username from the path */
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/* path is in the form: [user@]hostname:port/remote-dir, e.g.:
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*
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* ftp://sunsite.unc.edu/pub/linux
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* ftp://miguel@sphinx.nuclecu.unam.mx/c/nc
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* ftp://tsx-11.mit.edu:8192/
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* ftp://joe@foo.edu:11321/private
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* ftp://joe:password@foo.se
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*
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* Returns malloc()ed host, user and pass they are present.
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* If the user is empty, e.g. ftp://@roxanne/private, and URL_ALLOW_ANON
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* is not set, then the current login name is supplied.
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*
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* Return value is a malloc()ed string with the pathname relative to the
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* host.
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*/
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char *
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vfs_split_url (const char *path, char **host, char **user, int *port,
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char **pass, int default_port, int flags)
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{
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struct passwd *passwd_info;
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char *dir, *colon, *inner_colon, *at, *rest;
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char *retval;
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char *pcopy = g_strdup (path);
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char *pend = pcopy + strlen (pcopy);
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if (pass)
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*pass = NULL;
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*port = default_port;
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*user = NULL;
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retval = NULL;
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dir = pcopy;
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if (!(flags & URL_NOSLASH)) {
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/* locate path component */
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while (*dir != PATH_SEP && *dir)
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dir++;
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if (*dir) {
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retval = g_strdup (dir);
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*dir = 0;
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} else
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retval = g_strdup (PATH_SEP_STR);
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}
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/* search for any possible user */
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at = strchr (pcopy, '@');
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/* We have a username */
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if (at) {
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*at = 0;
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inner_colon = strchr (pcopy, ':');
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if (inner_colon) {
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*inner_colon = 0;
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inner_colon++;
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if (pass)
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*pass = g_strdup (inner_colon);
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}
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if (*pcopy != 0)
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*user = g_strdup (pcopy);
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if (pend == at + 1)
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rest = at;
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else
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rest = at + 1;
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} else
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rest = pcopy;
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if (!*user && !(flags & URL_ALLOW_ANON)) {
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passwd_info = getpwuid (geteuid ());
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if (passwd_info && passwd_info->pw_name)
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*user = g_strdup (passwd_info->pw_name);
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else {
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/* This is very unlikely to happen */
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*user = g_strdup ("anonymous");
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}
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endpwent ();
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}
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/* Check if the host comes with a port spec, if so, chop it */
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colon = strchr (rest, ':');
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if (colon) {
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*colon = 0;
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if (sscanf (colon + 1, "%d", port) == 1) {
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if (*port <= 0 || *port >= 65536)
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*port = default_port;
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} else {
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while (*(++colon)) {
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switch (*colon) {
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case 'C':
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*port = 1;
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break;
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case 'r':
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*port = 2;
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break;
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}
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}
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}
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}
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if (host)
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*host = g_strdup (rest);
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g_free (pcopy);
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return retval;
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}
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