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test/nfconntrack: use nft or iptables-legacy
Signed-off-by: Radostin Stoyanov <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| { | ||
| 'feature': 'has_ipt_legacy', | ||
| 'flavor': 'h', | ||
| 'opts': '--tcp-established', | ||
| 'flags': 'suid' | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,240 @@ | ||
| #include "zdtmtst.h" | ||
|
|
||
| #ifdef ZDTM_IPV4V6 | ||
| #define ZDTM_FAMILY AF_INET | ||
| #define ZDTM_SRV_FAMILY AF_INET6 | ||
| #elif defined(ZDTM_IPV6) | ||
| #define ZDTM_FAMILY AF_INET6 | ||
| #define ZDTM_SRV_FAMILY AF_INET6 | ||
| #else | ||
| #define ZDTM_FAMILY AF_INET | ||
| #define ZDTM_SRV_FAMILY AF_INET | ||
| #endif | ||
|
|
||
| const char *test_doc = "Check, that a TCP connection can be restored\n"; | ||
| const char *test_author = "Andrey Vagin <[email protected]"; | ||
|
|
||
| #include <stdio.h> | ||
| #include <sys/types.h> | ||
| #include <unistd.h> | ||
| #include <string.h> | ||
| #include <errno.h> | ||
| #include <stdlib.h> | ||
| #include <signal.h> | ||
| #include <sched.h> | ||
| #include <netinet/tcp.h> | ||
|
|
||
| static int port = 8880; | ||
|
|
||
| #define BUF_SIZE 4096 | ||
|
|
||
| int read_data(int fd, unsigned char *buf, int size) | ||
| { | ||
| int cur = 0; | ||
| int ret; | ||
| while (cur != size) { | ||
| ret = read(fd, buf + cur, size - cur); | ||
| if (ret <= 0) | ||
| return -1; | ||
| cur += ret; | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| int write_data(int fd, const unsigned char *buf, int size) | ||
| { | ||
| int cur = 0; | ||
| int ret; | ||
|
|
||
| while (cur != size) { | ||
| ret = write(fd, buf + cur, size - cur); | ||
| if (ret <= 0) | ||
| return -1; | ||
| cur += ret; | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| int main(int argc, char **argv) | ||
| { | ||
| unsigned char buf[BUF_SIZE]; | ||
| int fd, fd_s; | ||
| pid_t extpid; | ||
| uint32_t crc; | ||
| int pfd[2]; | ||
| int val; | ||
| socklen_t optlen; | ||
|
|
||
| #ifdef ZDTM_IPT_CONNTRACK | ||
| if (unshare(CLONE_NEWNET)) { | ||
| pr_perror("unshare"); | ||
| return 1; | ||
| } | ||
| if (system("ip link set up dev lo")) | ||
| return 1; | ||
|
|
||
| if (system("iptables-legacy -w -A INPUT -i lo -p tcp -m state --state NEW,ESTABLISHED -j ACCEPT")) | ||
| return 1; | ||
| if (system("iptables-legacy -w -A INPUT -j DROP")) | ||
| return 1; | ||
|
|
||
| #endif | ||
|
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||
| #ifdef ZDTM_NFT_CONNTRACK | ||
| if (unshare(CLONE_NEWNET)) { | ||
| pr_perror("unshare"); | ||
| return 1; | ||
| } | ||
| if (system("ip link set up dev lo")) | ||
| return 1; | ||
|
|
||
| if (system("nft add table ip filter")) | ||
| return 1; | ||
| if (system("nft add chain ip filter INPUT")) | ||
| return 1; | ||
| if (system("nft add rule ip filter INPUT iifname \"lo\" ip protocol tcp ct state new,established counter accept")) | ||
| return 1; | ||
| if (system("nft add rule ip filter INPUT counter drop")) | ||
| return 1; | ||
|
|
||
| #endif | ||
|
|
||
| #ifdef ZDTM_TCP_LOCAL | ||
| test_init(argc, argv); | ||
| #endif | ||
|
|
||
| if (pipe(pfd)) { | ||
| pr_perror("pipe() failed"); | ||
| return 1; | ||
| } | ||
|
|
||
| extpid = fork(); | ||
| if (extpid < 0) { | ||
| pr_perror("fork() failed"); | ||
| return 1; | ||
| } else if (extpid == 0) { | ||
| #ifndef ZDTM_TCP_LOCAL | ||
| test_ext_init(argc, argv); | ||
| #endif | ||
|
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||
| close(pfd[1]); | ||
| if (read(pfd[0], &port, sizeof(port)) != sizeof(port)) { | ||
| pr_perror("Can't read port"); | ||
| return 1; | ||
| } | ||
|
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||
| fd = tcp_init_client(ZDTM_FAMILY, "localhost", port); | ||
| if (fd < 0) | ||
| return 1; | ||
|
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||
| #ifdef STREAM | ||
| while (1) { | ||
| if (read_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("read less then have to"); | ||
| return 1; | ||
| } | ||
| if (datachk(buf, BUF_SIZE, &crc)) | ||
| return 2; | ||
|
|
||
| datagen(buf, BUF_SIZE, &crc); | ||
| if (write_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("can't write"); | ||
| return 1; | ||
| } | ||
| } | ||
| #else | ||
| if (read_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("read less then have to"); | ||
| return 1; | ||
| } | ||
| if (datachk(buf, BUF_SIZE, &crc)) | ||
| return 2; | ||
|
|
||
| datagen(buf, BUF_SIZE, &crc); | ||
| if (write_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("can't write"); | ||
| return 1; | ||
| } | ||
| #endif | ||
| return 0; | ||
| } | ||
|
|
||
| #ifndef ZDTM_TCP_LOCAL | ||
| test_init(argc, argv); | ||
| #endif | ||
|
|
||
| if ((fd_s = tcp_init_server(ZDTM_SRV_FAMILY, &port)) < 0) { | ||
| pr_err("initializing server failed\n"); | ||
| return 1; | ||
| } | ||
|
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||
| close(pfd[0]); | ||
| if (write(pfd[1], &port, sizeof(port)) != sizeof(port)) { | ||
| pr_perror("Can't send port"); | ||
| return 1; | ||
| } | ||
| close(pfd[1]); | ||
|
|
||
| /* | ||
| * parent is server of TCP connection | ||
| */ | ||
| fd = tcp_accept_server(fd_s); | ||
| if (fd < 0) { | ||
| pr_err("can't accept client connection\n"); | ||
| return 1; | ||
| } | ||
|
|
||
| val = 1; | ||
| if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val))) { | ||
| pr_perror("setsockopt"); | ||
| return 1; | ||
| } | ||
|
|
||
| test_daemon(); | ||
| #ifdef STREAM | ||
| while (test_go()) { | ||
| datagen(buf, BUF_SIZE, &crc); | ||
| if (write_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("can't write"); | ||
| return 1; | ||
| } | ||
|
|
||
| if (read_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("read less then have to"); | ||
| return 1; | ||
| } | ||
| if (datachk(buf, BUF_SIZE, &crc)) | ||
| return 2; | ||
| } | ||
| kill(extpid, SIGKILL); | ||
| #else | ||
| test_waitsig(); | ||
|
|
||
| datagen(buf, BUF_SIZE, &crc); | ||
| if (write_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("can't write"); | ||
| return 1; | ||
| } | ||
|
|
||
| if (read_data(fd, buf, BUF_SIZE)) { | ||
| pr_perror("read less then have to"); | ||
| return 1; | ||
| } | ||
| if (datachk(buf, BUF_SIZE, &crc)) | ||
| return 2; | ||
| #endif | ||
| optlen = sizeof(val); | ||
| if (getsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, &optlen)) { | ||
| pr_perror("getsockopt"); | ||
| return 1; | ||
| } | ||
| if (val != 1) { | ||
| fail("SO_REUSEADDR are not set for %d", fd); | ||
| return 1; | ||
| } | ||
|
|
||
| pass(); | ||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| { | ||
| 'flavor': 'h', | ||
| 'feature': 'network_lock_nftables', | ||
| 'opts': '--tcp-established', | ||
| 'dopts': '--network-lock nftables', | ||
| 'flags': 'suid' | ||
| } |
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