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46c162204b
And I think I have all the bits right from the OpenBSD tree. 20001222 - Updated RCSID for pty.c - (bal) OpenBSD CVS Updates: - markus@cvs.openbsd.org 2000/12/21 15:10:16 [auth-rh-rsa.c hostfile.c hostfile.h sshconnect.c] print keyfile:line for changed hostkeys, for deraadt@, ok deraadt@ - markus@cvs.openbsd.org 2000/12/20 19:26:56 [authfile.c] allow ssh -i userkey for root - markus@cvs.openbsd.org 2000/12/20 19:37:21 [authfd.c authfd.h kex.c sshconnect2.c sshd.c uidswap.c uidswap.h] fix prototypes; from stevesk@pobox.com - markus@cvs.openbsd.org 2000/12/20 19:32:08 [sshd.c] init pointer to NULL; report from Jan.Ivan@cern.ch - markus@cvs.openbsd.org 2000/12/19 23:17:54 [auth-krb4.c auth-options.c auth-options.h auth-rhosts.c auth-rsa.c auth1.c auth2-skey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufaux.h buffer.c canohost.c channels.c clientloop.c compress.c crc32.c deattack.c getput.h hmac.c hmac.h hostfile.c kex.c kex.h key.c key.h log.c login.c match.c match.h mpaux.c mpaux.h packet.c packet.h radix.c readconf.c rsa.c scp.c servconf.c servconf.h serverloop.c session.c sftp-server.c ssh-agent.c ssh-dss.c ssh-dss.h ssh-keygen.c ssh-keyscan.c ssh-rsa.c ssh-rsa.h ssh.c ssh.h uuencode.c uuencode.h sshconnect1.c sshconnect2.c sshd.c tildexpand.c] replace 'unsigned bla' with 'u_bla' everywhere. also replace 'char unsigned' with u_char.
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#include "includes.h"
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RCSID("$OpenBSD: tildexpand.c,v 1.9 2000/12/19 23:17:59 markus Exp $");
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#include "xmalloc.h"
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#include "ssh.h"
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/*
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* Expands tildes in the file name. Returns data allocated by xmalloc.
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* Warning: this calls getpw*.
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*/
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char *
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tilde_expand_filename(const char *filename, uid_t my_uid)
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{
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const char *cp;
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u_int userlen;
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char *expanded;
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struct passwd *pw;
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char user[100];
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int len;
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/* Return immediately if no tilde. */
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if (filename[0] != '~')
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return xstrdup(filename);
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/* Skip the tilde. */
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filename++;
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/* Find where the username ends. */
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cp = strchr(filename, '/');
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if (cp)
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userlen = cp - filename; /* Something after username. */
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else
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userlen = strlen(filename); /* Nothing after username. */
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if (userlen == 0)
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pw = getpwuid(my_uid); /* Own home directory. */
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else {
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/* Tilde refers to someone elses home directory. */
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if (userlen > sizeof(user) - 1)
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fatal("User name after tilde too long.");
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memcpy(user, filename, userlen);
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user[userlen] = 0;
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pw = getpwnam(user);
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}
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if (!pw)
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fatal("Unknown user %100s.", user);
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/* If referring to someones home directory, return it now. */
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if (!cp) {
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/* Only home directory specified */
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return xstrdup(pw->pw_dir);
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}
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/* Build a path combining the specified directory and path. */
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len = strlen(pw->pw_dir) + strlen(cp + 1) + 2;
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if (len > MAXPATHLEN)
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fatal("Home directory too long (%d > %d", len-1, MAXPATHLEN-1);
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expanded = xmalloc(len);
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snprintf(expanded, len, "%s/%s", pw->pw_dir, cp + 1);
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return expanded;
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}
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