mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-25 19:32:09 +00:00
6536c7d3c9
- markus@cvs.openbsd.org 2000/06/18 18:50:11 [auth2.c compat.c compat.h sshconnect2.c] make userauth+pubkey interop with ssh.com-2.2.0 - markus@cvs.openbsd.org 2000/06/18 20:56:17 [dsa.c] mem leak + be more paranoid in dsa_verify. - markus@cvs.openbsd.org 2000/06/18 21:29:50 [key.c] cleanup fingerprinting, less hardcoded sizes - markus@cvs.openbsd.org 2000/06/19 19:39:45 [atomicio.c auth-options.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth-skey.c authfd.c authfd.h authfile.c bufaux.c bufaux.h] [buffer.c buffer.h canohost.c channels.c channels.h cipher.c cipher.h] [clientloop.c compat.c compat.h compress.c compress.h crc32.c crc32.h] [deattack.c dispatch.c dsa.c fingerprint.c fingerprint.h getput.h hmac.c] [kex.c log-client.c log-server.c login.c match.c mpaux.c mpaux.h nchan.c] [nchan.h packet.c packet.h pty.c pty.h readconf.c readconf.h readpass.c] [rsa.c rsa.h scp.c servconf.c servconf.h ssh-add.c ssh-keygen.c ssh.c] [ssh.h tildexpand.c ttymodes.c ttymodes.h uidswap.c xmalloc.c xmalloc.h] OpenBSD tag - markus@cvs.openbsd.org 2000/06/21 10:46:10 sshconnect2.c missing free; nuke old comment
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
|
|
* Author: Tatu Ylonen <ylo@cs.hut.fi>
|
|
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
|
* All rights reserved
|
|
* Created: Wed Jul 12 01:07:36 1995 ylo
|
|
*/
|
|
|
|
#include "includes.h"
|
|
RCSID("$OpenBSD: tildexpand.c,v 1.7 2000/06/20 01:39:45 markus Exp $");
|
|
|
|
#include "xmalloc.h"
|
|
#include "ssh.h"
|
|
|
|
/*
|
|
* Expands tildes in the file name. Returns data allocated by xmalloc.
|
|
* Warning: this calls getpw*.
|
|
*/
|
|
char *
|
|
tilde_expand_filename(const char *filename, uid_t my_uid)
|
|
{
|
|
const char *cp;
|
|
unsigned int userlen;
|
|
char *expanded;
|
|
struct passwd *pw;
|
|
char user[100];
|
|
int len;
|
|
|
|
/* Return immediately if no tilde. */
|
|
if (filename[0] != '~')
|
|
return xstrdup(filename);
|
|
|
|
/* Skip the tilde. */
|
|
filename++;
|
|
|
|
/* Find where the username ends. */
|
|
cp = strchr(filename, '/');
|
|
if (cp)
|
|
userlen = cp - filename; /* Something after username. */
|
|
else
|
|
userlen = strlen(filename); /* Nothing after username. */
|
|
if (userlen == 0)
|
|
pw = getpwuid(my_uid); /* Own home directory. */
|
|
else {
|
|
/* Tilde refers to someone elses home directory. */
|
|
if (userlen > sizeof(user) - 1)
|
|
fatal("User name after tilde too long.");
|
|
memcpy(user, filename, userlen);
|
|
user[userlen] = 0;
|
|
pw = getpwnam(user);
|
|
}
|
|
if (!pw)
|
|
fatal("Unknown user %100s.", user);
|
|
|
|
/* If referring to someones home directory, return it now. */
|
|
if (!cp) {
|
|
/* Only home directory specified */
|
|
return xstrdup(pw->pw_dir);
|
|
}
|
|
/* Build a path combining the specified directory and path. */
|
|
len = strlen(pw->pw_dir) + strlen(cp + 1) + 2;
|
|
if (len > MAXPATHLEN)
|
|
fatal("Home directory too long (%d > %d", len-1, MAXPATHLEN-1);
|
|
expanded = xmalloc(len);
|
|
snprintf(expanded, len, "%s/%s", pw->pw_dir, cp + 1);
|
|
return expanded;
|
|
}
|