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3109899299
The purpose of this is to make it clear which part of the AD DC (in particular) has faulted without having to deduce it from the stacktrace. Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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* Unix SMB/CIFS implementation.
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*
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* Process utils.
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*
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* Copyright (c) 2013 Andreas Schneider <asn@samba.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "util_process.h"
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#include "replace.h"
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#ifdef HAVE_SYS_PRCTL_H
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#include <sys/prctl.h>
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#endif
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/*
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* These variables are static so that we can print them in access them
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* with process_get_short_title() and process_get_long_title(). The
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* purpose of this is to allow smb_panic_log() to print them.
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*/
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static char short_comment[16] = {0,};
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static char long_comment[256] = {0,};
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static char binary_name[256];
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void process_set_title(const char *short_format, const char *long_format, ...)
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{
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#if defined(HAVE_PRCTL) && defined(PR_SET_NAME)
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if (short_format != NULL) {
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va_list ap;
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va_start(ap, long_format);
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vsnprintf(short_comment, sizeof(short_comment), short_format, ap);
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va_end(ap);
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prctl(PR_SET_NAME, (unsigned long) short_comment, 0, 0, 0);
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}
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#endif
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if (long_format != NULL) {
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va_list ap;
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va_start(ap, long_format);
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vsnprintf(long_comment, sizeof(long_comment), long_format, ap);
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va_end(ap);
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setproctitle("%s", long_comment);
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}
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}
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const char *process_get_short_title(void)
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{
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return short_comment;
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}
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const char *process_get_long_title(void)
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{
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return long_comment;
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}
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/*
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* This is just for debugging in a panic, so we don't want to do
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* anything more than return a fixed pointer, so we save a copy to a
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* static variable.
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*/
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void process_save_binary_name(const char *progname)
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{
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strlcpy(binary_name, progname, sizeof(binary_name));
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}
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/* Samba binaries will set this during popt handling */
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const char *process_get_saved_binary_name(void)
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{
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return binary_name;
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}
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int prctl_set_comment(const char *comment_format, ...)
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{
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char comment[16];
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va_list ap;
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va_start(ap, comment_format);
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vsnprintf(comment, sizeof(comment), comment_format, ap);
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va_end(ap);
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process_set_title("%s", "%s", comment);
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return 0;
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}
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