b132def0b1
The program name is also used when matching Debug lines in sudo.conf. We don't want the user to be able to influence sudo.conf Debug matching. The string "sudoedit" is treated the same as "sudo" in sudo.conf. Problem reported by Matthias Gerstner of SUSE.
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sudo_compat.h"
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#include "sudo_util.h"
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#ifdef HAVE_GETPROGNAME
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void
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initprogname2(const char *name, const char * const * allowed)
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{
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# ifdef HAVE_SETPROGNAME
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const char *progname;
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int i;
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/* Fall back on "name" if getprogname() returns an empty string. */
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if ((progname = getprogname()) != NULL && *progname != '\0')
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name = progname;
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/* Check for libtool prefix and strip it if present. */
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if (name[0] == 'l' && name[1] == 't' && name[2] == '-' && name[3] != '\0')
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name += 3;
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/* Check allow list if present (first element is the default). */
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if (allowed != NULL) {
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for (i = 0; ; i++) {
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if (allowed[i] == NULL) {
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name = allowed[0];
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break;
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}
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if (strcmp(allowed[i], name) == 0)
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break;
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}
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}
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/* Update internal progname if needed. */
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if (name != progname)
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setprogname(name);
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# endif
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return;
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}
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#else /* !HAVE_GETPROGNAME */
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static const char *progname = "";
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void
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initprogname2(const char *name, const char * const * allowed)
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{
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int i;
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# ifdef HAVE___PROGNAME
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extern const char *__progname;
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if (__progname != NULL && *__progname != '\0')
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progname = __progname;
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else
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# endif
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if ((progname = strrchr(name, '/')) != NULL) {
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progname++;
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} else {
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progname = name;
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}
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/* Check for libtool prefix and strip it if present. */
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if (progname[0] == 'l' && progname[1] == 't' && progname[2] == '-' &&
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progname[3] != '\0')
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progname += 3;
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/* Check allow list if present (first element is the default). */
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if (allowed != NULL) {
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for (i = 0; ; i++) {
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if (allowed[i] == NULL) {
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progname = allowed[0];
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break;
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}
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if (strcmp(allowed[i], progname) == 0)
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break;
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}
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}
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}
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const char *
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sudo_getprogname(void)
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{
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return progname;
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}
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#endif /* !HAVE_GETPROGNAME */
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void
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initprogname(const char *name)
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{
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initprogname2(name, NULL);
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}
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