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Diffstat (limited to '')
| -rw-r--r-- | openbsd-compat/port-uw.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/openbsd-compat/port-uw.c b/openbsd-compat/port-uw.c new file mode 100644 index 0000000..1322131 --- /dev/null +++ b/openbsd-compat/port-uw.c @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2005 The SCO Group. All rights reserved. + * Copyright (c) 2005 Tim Rice. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "includes.h" + +#if defined(HAVE_LIBIAF) && !defined(HAVE_SECUREWARE) +#include <sys/types.h> +#ifdef HAVE_CRYPT_H +# include <crypt.h> +#endif +#include <pwd.h> +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "xmalloc.h" +#include "packet.h" +#include "auth-options.h" +#include "log.h" +#include "misc.h" /* servconf.h needs misc.h for struct ForwardOptions */ +#include "servconf.h" +#include "hostfile.h" +#include "auth.h" +#include "ssh.h" +#include "ssh_api.h" + +int nischeck(char *); + +int +sys_auth_passwd(struct ssh *ssh, const char *password) +{ + Authctxt *authctxt = ssh->authctxt; + struct passwd *pw = authctxt->pw; + char *salt; + int result; + + /* Just use the supplied fake password if authctxt is invalid */ + char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd; + + if (pw_password == NULL) + return 0; + + /* Check for users with no password. */ + if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0) + return (1); + + /* Encrypt the candidate password using the proper salt. */ + salt = (pw_password[0] && pw_password[1]) ? pw_password : "xx"; + + /* + * Authentication is accepted if the encrypted passwords + * are identical. + */ +#ifdef UNIXWARE_LONG_PASSWORDS + if (!nischeck(pw->pw_name)) { + result = ((strcmp(bigcrypt(password, salt), pw_password) == 0) + || (strcmp(osr5bigcrypt(password, salt), pw_password) == 0)); + } + else +#endif /* UNIXWARE_LONG_PASSWORDS */ + result = (strcmp(xcrypt(password, salt), pw_password) == 0); + +#ifdef USE_LIBIAF + if (authctxt->valid) + free(pw_password); +#endif + return(result); +} + +#ifdef UNIXWARE_LONG_PASSWORDS +int +nischeck(char *namep) +{ + char password_file[] = "/etc/passwd"; + FILE *fd; + struct passwd *ent = NULL; + + if ((fd = fopen (password_file, "r")) == NULL) { + /* + * If the passwd file has disappeared we are in a bad state. + * However, returning 0 will send us back through the + * authentication scheme that has checked the ia database for + * passwords earlier. + */ + return(0); + } + + /* + * fgetpwent() only reads from password file, so we know for certain + * that the user is local. + */ + while (ent = fgetpwent(fd)) { + if (strcmp (ent->pw_name, namep) == 0) { + /* Local user */ + fclose (fd); + return(0); + } + } + + fclose (fd); + return (1); +} + +#endif /* UNIXWARE_LONG_PASSWORDS */ + +/* + NOTE: ia_get_logpwd() allocates memory for arg 2 + functions that call shadow_pw() will need to free + */ + +#ifdef USE_LIBIAF +char * +get_iaf_password(struct passwd *pw) +{ + char *pw_password = NULL; + + uinfo_t uinfo; + if (!ia_openinfo(pw->pw_name,&uinfo)) { + ia_get_logpwd(uinfo, &pw_password); + if (pw_password == NULL) + fatal("ia_get_logpwd: Unable to get the shadow passwd"); + ia_closeinfo(uinfo); + return pw_password; + } + else + fatal("ia_openinfo: Unable to open the shadow passwd file"); +} +#endif /* USE_LIBIAF */ +#endif /* HAVE_LIBIAF and not HAVE_SECUREWARE */ + |