2 * Copyright (c) 1985, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid[] = "@(#)ruserpass.c 8.3 (Berkeley) 4/2/94";
34 #include <sys/types.h>
42 #include <stdio_ext.h>
48 /* #include "ftp_var.h" */
50 static int token (void);
61 static char tokval[100];
63 static const char tokstr[] =
65 #define TOK_DEFAULT_IDX 0
67 #define TOK_LOGIN_IDX (TOK_DEFAULT_IDX + sizeof "default")
69 #define TOK_PASSWORD_IDX (TOK_LOGIN_IDX + sizeof "login")
71 #define TOK_PASSWD_IDX (TOK_PASSWORD_IDX + sizeof "password")
73 #define TOK_ACCOUNT_IDX (TOK_PASSWD_IDX + sizeof "passwd")
75 #define TOK_MACHINE_IDX (TOK_ACCOUNT_IDX + sizeof "account")
77 #define TOK_MACDEF_IDX (TOK_MACHINE_IDX + sizeof "machine")
81 static const struct toktab {
85 { TOK_DEFAULT_IDX, DEFAULT },
86 { TOK_LOGIN_IDX, LOGIN },
87 { TOK_PASSWORD_IDX, PASSWD },
88 { TOK_PASSWD_IDX, PASSWD },
89 { TOK_ACCOUNT_IDX, ACCOUNT },
90 { TOK_MACHINE_IDX, MACHINE },
91 { TOK_MACDEF_IDX, MACDEF }
97 ruserpass(host, aname, apass)
98 const char *host, **aname, **apass;
100 char *hdir, *buf, *tmp;
101 char myname[1024], *mydomain;
102 int t, usedefault = 0;
105 hdir = __libc_secure_getenv("HOME");
107 /* If we can't get HOME, fail instead of trying ".",
108 which is no improvement. This really should call
109 getpwuid(getuid()). */
114 buf = alloca (strlen (hdir) + 8);
116 __stpcpy (__stpcpy (buf, hdir), "/.netrc");
117 cfile = fopen(buf, "rce");
123 /* No threads use this stream. */
124 __fsetlocking (cfile, FSETLOCKING_BYCALLER);
125 if (__gethostname(myname, sizeof(myname)) < 0)
127 mydomain = __strchrnul(myname, '.');
129 while ((t = token())) switch(t) {
140 * Allow match either for user's input host name
141 * or official hostname. Also allow match of
142 * incompletely-specified host in local domain.
144 if (__strcasecmp(host, tokval) == 0)
146 /* if (__strcasecmp(hostname, tokval) == 0)
148 if ((tmp = strchr(hostname, '.')) != NULL &&
149 __strcasecmp(tmp, mydomain) == 0 &&
150 __strncasecmp(hostname, tokval, tmp-hostname) == 0 &&
151 tokval[tmp - hostname] == '\0')
153 if ((tmp = strchr(host, '.')) != NULL &&
154 __strcasecmp(tmp, mydomain) == 0 &&
155 __strncasecmp(host, tokval, tmp - host) == 0 &&
156 tokval[tmp - host] == '\0')
161 while ((t = token()) && t != MACHINE && t != DEFAULT) switch(t) {
167 newp = malloc((unsigned) strlen(tokval) + 1);
170 warnx(_("out of memory"));
173 *aname = strcpy(newp, tokval);
175 if (strcmp(*aname, tokval))
181 if (strcmp(*aname, "anonymous") &&
182 fstat64(fileno(cfile), &stb) >= 0 &&
183 (stb.st_mode & 077) != 0) {
184 warnx(_("Error: .netrc file is readable by others."));
185 warnx(_("Remove password or make file unreadable by others."));
188 if (token() && *apass == 0) {
190 newp = malloc((unsigned) strlen(tokval) + 1);
193 warnx(_("out of memory"));
196 *apass = strcpy(newp, tokval);
201 if (fstat64(fileno(cfile), &stb) >= 0
202 && (stb.st_mode & 077) != 0) {
203 warnx("Error: .netrc file is readable by others.");
204 warnx("Remove account or make file unreadable by others.");
207 if (token() && *aacct == 0) {
208 *aacct = malloc((unsigned) strlen(tokval) + 1);
209 (void) strcpy(*aacct, tokval);
216 (void) fclose(cfile);
219 while ((c=getc_unlocked(cfile)) != EOF && c == ' '
221 if (c == EOF || c == '\n') {
222 printf("Missing macdef name argument.\n");
226 printf("Limit of 16 macros have already been defined\n");
229 tmp = macros[macnum].mac_name;
231 for (i=0; i < 8 && (c=getc_unlocked(cfile)) != EOF &&
236 printf("Macro definition missing null line terminator.\n");
241 while ((c=getc_unlocked(cfile)) != EOF
245 printf("Macro definition missing null line terminator.\n");
249 macros[macnum].mac_start = macbuf;
252 macros[macnum].mac_start = macros[macnum-1].mac_end + 1;
254 tmp = macros[macnum].mac_start;
255 while (tmp != macbuf + 4096) {
256 if ((c=getc_unlocked(cfile)) == EOF) {
257 printf("Macro definition missing null line terminator.\n");
262 if (*(tmp-1) == '\0') {
263 macros[macnum++].mac_end = tmp - 1;
270 if (tmp == macbuf + 4096) {
271 printf("4K macro buffer exceeded\n");
277 warnx(_("Unknown .netrc keyword %s"), tokval);
283 (void) fclose(cfile);
286 (void) fclose(cfile);
289 libc_hidden_def (ruserpass)
298 if (feof_unlocked(cfile) || ferror_unlocked(cfile))
300 while ((c = getc_unlocked(cfile)) != EOF &&
301 (c == '\n' || c == '\t' || c == ' ' || c == ','))
307 while ((c = getc_unlocked(cfile)) != EOF && c != '"') {
309 c = getc_unlocked(cfile);
314 while ((c = getc_unlocked(cfile)) != EOF
315 && c != '\n' && c != '\t' && c != ' ' && c != ',') {
317 c = getc_unlocked(cfile);
324 for (i = 0; i < (int) (sizeof (toktab) / sizeof (toktab[0])); ++i)
325 if (!strcmp(&tokstr[toktab[i].tokstr_off], tokval))
326 return toktab[i].tval;