upstream: allow log_stderr==2 to prefix log messages with argv[0]

use this to make scp's SFTP mode error messages more scp-like

prompted by and ok deraadt@

OpenBSD-Commit-ID: 0e821dbde423fc2280e47414bdc22aaa5b4e0733
This commit is contained in:
djm@openbsd.org 2021-09-16 15:11:19 +00:00 committed by Damien Miller
parent 8a7a06ee50
commit e694f8ac44
2 changed files with 12 additions and 11 deletions

11
log.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: log.c,v 1.59 2021/05/07 04:11:51 djm Exp $ */
/* $OpenBSD: log.c,v 1.60 2021/09/16 15:11:19 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -346,6 +346,7 @@ do_log(LogLevel level, int force, const char *suffix, const char *fmt,
int pri = LOG_INFO;
int saved_errno = errno;
log_handler_fn *tmp_handler;
const char *progname = argv0 != NULL ? argv0 : __progname;
if (!force && level > log_level)
return;
@ -403,16 +404,18 @@ do_log(LogLevel level, int force, const char *suffix, const char *fmt,
tmp_handler(level, force, fmtbuf, log_handler_ctx);
log_handler = tmp_handler;
} else if (log_on_stderr) {
snprintf(msgbuf, sizeof msgbuf, "%.*s\r\n",
snprintf(msgbuf, sizeof msgbuf, "%s%s%.*s\r\n",
(log_on_stderr > 1) ? progname : "",
(log_on_stderr > 1) ? ": " : "",
(int)sizeof msgbuf - 3, fmtbuf);
(void)write(log_stderr_fd, msgbuf, strlen(msgbuf));
} else {
#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT)
openlog_r(argv0 ? argv0 : __progname, LOG_PID, log_facility, &sdata);
openlog_r(progname, LOG_PID, log_facility, &sdata);
syslog_r(pri, &sdata, "%.500s", fmtbuf);
closelog_r(&sdata);
#else
openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
openlog(progname, LOG_PID, log_facility);
syslog(pri, "%.500s", fmtbuf);
closelog();
#endif

12
scp.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: scp.c,v 1.234 2021/09/11 00:40:24 djm Exp $ */
/* $OpenBSD: scp.c,v 1.235 2021/09/16 15:11:19 djm Exp $ */
/*
* scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd).
@ -467,7 +467,7 @@ main(int argc, char **argv)
__progname = ssh_get_progname(argv[0]);
log_init(argv0, log_level, SYSLOG_FACILITY_USER, 1);
log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2);
memset(&args, '\0', sizeof(args));
memset(&remote_remote_args, '\0', sizeof(remote_remote_args));
@ -588,7 +588,7 @@ main(int argc, char **argv)
argc -= optind;
argv += optind;
log_init(argv0, log_level, SYSLOG_FACILITY_USER, 1);
log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2);
/* Do this last because we want the user to be able to override it */
addargs(&args, "-oForwardAgent=no");
@ -1540,10 +1540,8 @@ out:
free(abs_src);
free(tmp);
globfree(&g);
if (err == -1) {
error("Failed to download '%s'", src);
if (err == -1)
errs = 1;
}
}
@ -1942,7 +1940,7 @@ out:
free(tmp);
globfree(&g);
if (err == -1)
fatal("Failed to download file '%s'", src);
errs = 1;
}
int