Now that we can log to file, this might start to be relevant.
Signed-off-by: Stefano Brivio
---
Makefile | 3 +++
conf.c | 12 ++++++++++--
log.c | 4 ++--
passt.1 | 4 ++++
util.h | 8 ++++++++
5 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
index fafb024..f7ddb84 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,8 @@
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio
+VERSION ?= $(shell git describe --tags HEAD || echo "unknown\ version")
+
RLIMIT_STACK_VAL := $(shell /bin/sh -c 'ulimit -s')
ifeq ($(RLIMIT_STACK_VAL),unlimited)
RLIMIT_STACK_VAL := 1024
@@ -31,6 +33,7 @@ FLAGS += -DNETNS_RUN_DIR=\"/run/netns\"
FLAGS += -DPASST_AUDIT_ARCH=AUDIT_ARCH_$(AUDIT_ARCH)
FLAGS += -DRLIMIT_STACK_VAL=$(RLIMIT_STACK_VAL)
FLAGS += -DARCH=\"$(TARGET_ARCH)\"
+FLAGS += -DVERSION=\"$(VERSION)\"
PASST_SRCS = arch.c arp.c checksum.c conf.c dhcp.c dhcpv6.c icmp.c igmp.c \
isolation.c lineread.c log.c mld.c ndp.c netlink.c packet.c passt.c \
diff --git a/conf.c b/conf.c
index f22940b..4ec3153 100644
--- a/conf.c
+++ b/conf.c
@@ -626,6 +626,8 @@ static void usage(const char *name)
}
info("");
+
+ info( " -v, --version Show version and exit");
info( " -d, --debug Be verbose, don't run in background");
info( " --trace Be extra verbose, implies --debug");
info( " -q, --quiet Don't print informational messages");
@@ -993,6 +995,7 @@ void conf(struct ctx *c, int argc, char **argv)
{
int netns_only = 0;
struct option options[] = {
+ {"version", no_argument, NULL, 'v' },
{"debug", no_argument, NULL, 'd' },
{"quiet", no_argument, NULL, 'q' },
{"foreground", no_argument, NULL, 'f' },
@@ -1057,9 +1060,9 @@ void conf(struct ctx *c, int argc, char **argv)
if (c->mode == MODE_PASTA) {
c->no_dhcp_dns = c->no_dhcp_dns_search = 1;
- optstring = "dqfel:hI:p:P:m:a:n:M:g:i:D:S:46t:u:T:U:";
+ optstring = "vdqfel:hI:p:P:m:a:n:M:g:i:D:S:46t:u:T:U:";
} else {
- optstring = "dqfel:hs:p:P:m:a:n:M:g:i:D:S:46t:u:";
+ optstring = "vdqfel:hs:p:P:m:a:n:M:g:i:D:S:46t:u:";
}
c->tcp.fwd_in.mode = c->tcp.fwd_out.mode = 0;
@@ -1197,6 +1200,11 @@ void conf(struct ctx *c, int argc, char **argv)
usage(argv[0]);
}
break;
+ case 'v':
+ fprintf(stdout,
+ c->mode == MODE_PASST ? "passt " : "pasta ");
+ fprintf(stdout, VERSION_BLOB);
+ exit(EXIT_SUCCESS);
case 'd':
if (c->debug) {
err("Multiple --debug options given");
diff --git a/log.c b/log.c
index 85b13fe..2b088c4 100644
--- a/log.c
+++ b/log.c
@@ -172,7 +172,7 @@ void passt_vsyslog(int pri, const char *format, va_list ap)
}
/**
- * logfile_init() - Open log file and write header with PID and path
+ * logfile_init() - Open log file and write header with PID, version, path
* @name: Identifier for header: passt or pasta
* @path: Path to log file
* @size: Maximum size of log file: log_cut_size is calculatd here
@@ -196,7 +196,7 @@ void logfile_init(const char *name, const char *path, size_t size)
log_size = size ? size : LOGFILE_SIZE_DEFAULT;
- n = snprintf(log_header, sizeof(log_header), "%s: %s (%i)",
+ n = snprintf(log_header, sizeof(log_header), "%s " VERSION ": %s (%i)",
name, exe, getpid());
if (write(log_file, log_header, n) <= 0 ||
diff --git a/passt.1 b/passt.1
index 64236b6..c63a439 100644
--- a/passt.1
+++ b/passt.1
@@ -77,6 +77,10 @@ for performance reasons.
.SH OPTIONS
+.TP
+.BR \-v ", " \-\-version
+Show version and exit.
+
.TP
.BR \-d ", " \-\-debug
Be verbose, don't run in background, don't log to the system logger.
diff --git a/util.h b/util.h
index 1adbf04..e8f99b6 100644
--- a/util.h
+++ b/util.h
@@ -6,6 +6,14 @@
#ifndef UTIL_H
#define UTIL_H
+#define VERSION_BLOB \
+ VERSION "\n" \
+ "Copyright (C) 2020-2022 Red Hat\n" \
+ "GNU Affero GPL version 3 or later " \
+ "https://www.gnu.org/licenses/agpl-3.0.html\n" \
+ "This is free software: you are free to change and redistribute it.\n" \
+ "There is NO WARRANTY, to the extent permitted by law.\n\n"
+
#ifndef SECCOMP_RET_KILL_PROCESS
#define SECCOMP_RET_KILL_PROCESS SECCOMP_RET_KILL
#endif
--
2.35.1