1 /* $NetBSD: ruserpass.c,v 1.33 2007/04/17 05:52:04 lukem Exp $ */
4 * Copyright (c) 1985, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
35 static char sccsid[] = "@(#)ruserpass.c 8.4 (Berkeley) 4/27/95";
37 __RCSID("$NetBSD: ruserpass.c,v 1.33 2007/04/17 05:52:04 lukem Exp $");
41 #include <sys/types.h>
55 static int token(void);
66 static char tokval[100];
68 static struct toktab {
72 { "default", DEFAULT },
74 { "password", PASSWD },
76 { "account", ACCOUNT },
83 ruserpass(const char *host, char **aname, char **apass, char **aacct)
87 char myname[MAXHOSTNAMELEN + 1];
88 int t, i, c, usedefault = 0;
93 cfile = fopen(netrc, "r");
96 warn("Can't read `%s'", netrc);
99 if (gethostname(myname, sizeof(myname)) < 0)
101 myname[sizeof(myname) - 1] = '\0';
102 if ((mydomain = strchr(myname, '.')) == NULL)
105 while ((t = token()) > 0) switch(t) {
113 if ((t = token()) == -1)
118 * Allow match either for user's input host name
119 * or official hostname. Also allow match of
120 * incompletely-specified host in local domain.
122 if (strcasecmp(host, tokval) == 0)
124 if (strcasecmp(hostname, tokval) == 0)
126 if ((tmp = strchr(hostname, '.')) != NULL &&
127 strcasecmp(tmp, mydomain) == 0 &&
128 strncasecmp(hostname, tokval, tmp-hostname) == 0 &&
129 tokval[tmp - hostname] == '\0')
131 if ((tmp = strchr(host, '.')) != NULL &&
132 strcasecmp(tmp, mydomain) == 0 &&
133 strncasecmp(host, tokval, tmp - host) == 0 &&
134 tokval[tmp - host] == '\0')
139 while ((t = token()) > 0 &&
140 t != MACH && t != DEFAULT) switch(t) {
143 if ((t = token()) == -1)
147 *aname = ftp_strdup(tokval);
149 if (strcmp(*aname, tokval))
155 if ((*aname == NULL || strcmp(*aname, "anonymous")) &&
156 fstat(fileno(cfile), &stb) >= 0 &&
157 (stb.st_mode & 077) != 0) {
158 warnx("Error: .netrc file is readable by others");
159 warnx("Remove password or make file unreadable by others");
162 if ((t = token()) == -1)
164 if (t && *apass == NULL)
165 *apass = ftp_strdup(tokval);
168 if (fstat(fileno(cfile), &stb) >= 0
169 && (stb.st_mode & 077) != 0) {
170 warnx("Error: .netrc file is readable by others");
171 warnx("Remove account or make file unreadable by others");
174 if ((t = token()) == -1)
176 if (t && *aacct == NULL)
177 *aacct = ftp_strdup(tokval);
184 while ((c = getc(cfile)) != EOF)
185 if (c != ' ' && c != '\t')
187 if (c == EOF || c == '\n') {
188 fputs("Missing macdef name argument.\n",
194 "Limit of 16 macros have already been defined.\n",
198 tmp = macros[macnum].mac_name;
200 for (i = 0; i < 8 && (c = getc(cfile)) != EOF &&
206 "Macro definition missing null line terminator.\n",
212 while ((c = getc(cfile)) != EOF && c != '\n');
216 "Macro definition missing null line terminator.\n",
221 macros[macnum].mac_start = macbuf;
224 macros[macnum].mac_start =
225 macros[macnum-1].mac_end + 1;
227 tmp = macros[macnum].mac_start;
228 while (tmp != macbuf + 4096) {
229 if ((c = getc(cfile)) == EOF) {
231 "Macro definition missing null line terminator.\n",
237 if (tmp == macros[macnum].mac_start) {
238 macros[macnum++].mac_end = tmp;
240 } else if (*(tmp - 1) == '\0') {
241 macros[macnum++].mac_end =
249 if (tmp == macbuf + 4096) {
250 fputs("4K macro buffer exceeded.\n",
256 warnx("Unknown .netrc keyword `%s'", tokval);
278 if (feof(cfile) || ferror(cfile))
280 while ((c = getc(cfile)) != EOF &&
281 (c == '\n' || c == '\t' || c == ' ' || c == ','))
287 while ((c = getc(cfile)) != EOF && c != '"') {
289 if ((c = getc(cfile)) == EOF)
292 if (cp == tokval + sizeof(tokval)) {
293 warnx("Token in .netrc too long");
299 while ((c = getc(cfile)) != EOF
300 && c != '\n' && c != '\t' && c != ' ' && c != ',') {
302 if ((c = getc(cfile)) == EOF)
305 if (cp == tokval + sizeof(tokval)) {
306 warnx("Token in .netrc too long");
314 for (t = toktab; t->tokstr; t++)
315 if (!strcmp(t->tokstr, tokval))