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Makefile, conf, passt: Drop passt4netns references, explicit argc check

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Nobody currently calls this as passt4netns, that was the name I used
before 'pasta', drop any reference before it's too late.

While at it, explicitly check that argc is bigger than or equal to
one, just as a defensive measure: argv[0] being NULL is not an issue
anyway.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2022-02-17 01:41:28 +01:00
parent fb70301b13
commit ce4e7b4d5d
3 changed files with 15 additions and 13 deletions
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7
Makefile
View File

@ -62,7 +62,7 @@ endif
prefix ?= /usr/local
all: passt pasta passt4netns qrap
all: passt pasta qrap
avx2: CFLAGS += -Ofast -mavx2 -ftree-vectorize -funroll-loops
avx2: clean all
@ -81,16 +81,13 @@ pasta: passt
ln -s passt pasta
ln -s passt.1 pasta.1
passt4netns: passt
ln -s passt passt4netns
qrap: qrap.c passt.h
$(CC) $(CFLAGS) \
qrap.c -o qrap
.PHONY: clean
clean:
-${RM} passt *.o seccomp.h qrap pasta pasta.1 passt4netns \
-${RM} passt *.o seccomp.h qrap pasta pasta.1 \
passt.tar passt.tar.gz *.deb *.rpm
install: passt pasta qrap

12
conf.c
View File

@ -532,7 +532,7 @@ static void conf_ip(struct ctx *c)
*/
static void usage(const char *name)
{
if (strstr(name, "pasta") || strstr(name, "passt4netns")) {
if (strstr(name, "pasta")) {
info("Usage: %s [OPTION]... [PID|PATH|NAME]", name);
info("");
info("Without PID|PATH|NAME, run the default shell in a new");
@ -550,7 +550,7 @@ static void usage(const char *name)
info( " default: log to system logger only if started from a TTY");
info( " -h, --help Display this help message and exit");
if (strstr(name, "pasta") || strstr(name, "passt4netns")) {
if (strstr(name, "pasta")) {
info( " -I, --ns-ifname NAME namespace interface name");
info( " default: same interface name as external one");
} else {
@ -562,7 +562,7 @@ static void usage(const char *name)
info( " -p, --pcap [FILE] Log tap-facing traffic to pcap file");
info( " if FILE is not given, log to:");
if (strstr(name, "pasta") || strstr(name, "passt4netns"))
if (strstr(name, "pasta"))
info(" /tmp/pasta_ISO8601-TIMESTAMP_PID.pcap");
else
info(" /tmp/passt_ISO8601-TIMESTAMP_PID.pcap");
@ -586,14 +586,14 @@ static void usage(const char *name)
info( " -D, --dns ADDR Pass IPv4 or IPv6 address as DNS");
info( " can be specified multiple times");
info( " a single, empty option disables DNS information");
if (strstr(name, "pasta") || strstr(name, "passt4netns"))
if (strstr(name, "pasta"))
info( " default: don't send any addresses");
else
info( " default: use addresses from /etc/resolv.conf");
info( " -S, --search LIST Space-separated list, search domains");
info( " a single, empty option disables the DNS search list");
if (strstr(name, "pasta") || strstr(name, "passt4netns"))
if (strstr(name, "pasta"))
info( " default: don't send any search list");
else
info( " default: use search list from /etc/resolv.conf");
@ -609,7 +609,7 @@ static void usage(const char *name)
info( " -4, --ipv4-only Enable IPv4 operation only");
info( " -6, --ipv6-only Enable IPv6 operation only");
if (strstr(name, "pasta") || strstr(name, "passt4netns"))
if (strstr(name, "pasta"))
goto pasta_opts;
info( " -t, --tcp-ports SPEC TCP port forwarding to guest");

9
passt.c
View File

@ -322,16 +322,21 @@ int main(int argc, char **argv)
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
if (strstr(argv[0], "pasta") || strstr(argv[0], "passt4netns")) {
if (argc < 1)
exit(EXIT_FAILURE);
if (strstr(argv[0], "pasta")) {
sa.sa_handler = pasta_child_handler;
sigaction(SIGCHLD, &sa, NULL);
signal(SIGPIPE, SIG_IGN);
c.mode = MODE_PASTA;
log_name = "pasta";
} else {
} else if (strstr(argv[0], "passt")) {
c.mode = MODE_PASST;
log_name = "passt";
} else {
exit(EXIT_FAILURE);
}
if (madvise(pkt_buf, TAP_BUF_BYTES, MADV_HUGEPAGE))