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* Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003
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* Inferno Nettverk A/S, Norway. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. The above copyright notice, this list of conditions and the following
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* disclaimer must appear in all copies of the software, derivative works
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* or modified versions, and any portions thereof, aswell as in all
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* supporting documentation.
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* 2. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by
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* Inferno Nettverk A/S, Norway.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* Inferno Nettverk A/S requests users of this software to return to
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* Software Distribution Coordinator or sdc@inet.no
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* Inferno Nettverk A/S
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* any improvements or extensions that they make and grant Inferno Nettverk A/S
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* the rights to redistribute these changes.
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static const char rcsid[] =
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"$Id: userio.c,v 1.23 2003/07/01 13:21:33 michaels Exp $";
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socks_getusername(host, buf, buflen)
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const struct sockshost_t *host;
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const char *function = "socks_getusername()";
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if ((name = getenv("SOCKS_USERNAME")) != NULL
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|| (name = getenv("SOCKS_USER")) != NULL
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|| (name = getenv("SOCKS5_USER")) != NULL)
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else if ((name = getlogin()) != NULL)
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if ((pw = getpwuid(getuid())) != NULL)
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if (strlen(name) >= buflen) {
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swarnx("%s: socks username %d characters too long, truncated",
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function, (strlen(name) + 1) - buflen);
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name[buflen - 1] = NUL;
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socks_getpassword(host, user, buf, buflen)
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const struct sockshost_t *host;
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const char *function = "socks_getpassword()";
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if ((password = getenv("SOCKS_PASSWORD")) != NULL
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|| (password = getenv("SOCKS_PASSWD")) != NULL
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|| (password = getenv("SOCKS5_PASSWD")) != NULL)
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char prompt[256 + MAXSOCKSHOSTSTRING];
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char hstring[MAXSOCKSHOSTSTRING];
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snprintfn(prompt, sizeof(prompt), "%s@%s sockspassword: ",
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user, sockshost2string(host, hstring, sizeof(hstring)));
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password = getpass(prompt);
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if (password == NULL)
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if (strlen(password) >= buflen) {
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swarnx("%s: socks password %d characters too long, truncated",
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function, (strlen(password) + 1) - buflen);
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password[buflen - 1] = NUL;
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strcpy(buf, password);
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bzero(password, strlen(password));