95eb83c424
We add roken_get_{shell, username, appdatadir, homedir}() functions. These use
a combination of secure_getenv(), getpwuid_r(), getlogin_r(), or various WIN32
functions to get this information.
Use roken_get_appdatadir() instead of roken_get_homedir() when looking for
dotfiles.
108 lines
4.3 KiB
C
108 lines
4.3 KiB
C
/*
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* Copyright (c) 2017 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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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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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef WIN32
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#include <err.h>
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#endif
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#include "roken.h"
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int
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main(void)
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{
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char buf[MAX_PATH * 2];
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char buf2[MAX_PATH * 2];
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#ifndef WIN32
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int ret = 0;
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if (!issuid() && getuid() != 0) {
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if (getenv("USER") != NULL && strlen(getenv("USER")) != 0 &&
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strcmp(getenv("USER"),
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roken_get_username(buf, sizeof(buf))) != 0) {
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warnx("roken_get_username() != getenv(\"USER\")");
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ret++;
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}
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if (getenv("HOME") != NULL && strlen(getenv("HOME")) != 0 &&
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strcmp(getenv("HOME"), roken_get_homedir(buf, sizeof(buf))) != 0) {
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warnx("roken_get_homedir() != getenv(\"HOME\")");
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ret++;
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}
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if (getenv("HOME") != NULL && strlen(getenv("HOME")) != 0 &&
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strcmp(roken_get_appdatadir(buf, sizeof(buf)),
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roken_get_homedir(buf2, sizeof(buf2))) != 0) {
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warnx("roken_get_homedir() != roken_get_appdatadir()");
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ret++;
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}
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if (getenv("SHELL") != NULL && strlen(getenv("SHELL")) != 0 &&
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strcmp(getenv("SHELL"), roken_get_shell(buf, sizeof(buf))) != 0) {
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warnx("roken_get_shell() != getenv(\"SHELL\")");
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ret++;
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}
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}
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#endif
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printf("Username:\t%s\n", roken_get_username(buf, sizeof(buf)));
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printf("Home:\t\t%s\n", roken_get_homedir(buf, sizeof(buf)));
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printf("Appdatadir:\t%s\n", roken_get_appdatadir(buf, sizeof(buf)));
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printf("Shell:\t\t%s\n", roken_get_shell(buf, sizeof(buf)));
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#ifndef WIN32
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if (!issuid() && getuid() != 0) {
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putenv("USER=h5lfoouser");
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putenv("HOME=/no/such/dir/h5lfoouser");
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putenv("SHELL=/no/such/shell");
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if (strcmp("h5lfoouser", roken_get_username(buf, sizeof(buf))) != 0) {
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warnx("roken_get_username() (%s) did not honor $USER",
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roken_get_username(buf, sizeof(buf)));
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ret++;
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}
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if (strcmp("/no/such/dir/h5lfoouser",
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roken_get_homedir(buf, sizeof(buf))) != 0) {
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warnx("roken_get_homedir() (%s) did not honor $HOME",
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roken_get_homedir(buf, sizeof(buf)));
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ret++;
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}
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if (strcmp(roken_get_appdatadir(buf, sizeof(buf)),
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roken_get_homedir(buf2, sizeof(buf2))) != 0) {
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warnx("roken_get_homedir() != roken_get_appdatadir() (%s)",
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roken_get_appdatadir(buf, sizeof(buf)));
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ret++;
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}
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if (strcmp("/no/such/shell", roken_get_shell(buf, sizeof(buf))) != 0) {
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warnx("roken_get_shell() (%s) did not honor $SHELL",
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roken_get_shell(buf, sizeof(buf)));
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ret++;
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}
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}
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return ret;
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#endif
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return 0;
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}
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