mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 09:58:09 +00:00
93dd984ca0
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include "criu-plugin.h"
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#include "criu-log.h"
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extern cr_plugin_dump_unix_sk_t cr_plugin_dump_unix_sk;
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extern cr_plugin_restore_unix_sk_t cr_plugin_restore_unix_sk;
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int cr_plugin_dump_unix_sk(int sk, int id)
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{
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struct sockaddr_un addr;
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socklen_t addr_len = sizeof(addr);
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char buf[4096];
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int fd;
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if (getsockname(sk, (struct sockaddr *)&addr, &addr_len) < 0)
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return -1;
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if (strncmp(addr.sun_path, "/dev/log", addr_len - sizeof(addr.sun_family)))
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return -ENOTSUP;
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snprintf(buf, sizeof(buf), "syslog-%x.img", id);
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fd = open(buf, O_WRONLY | O_CREAT);
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if (fd < 0)
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return -1;
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close(fd);
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return 0;
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}
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int cr_plugin_restore_unix_sk(int id)
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{
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struct sockaddr_un addr;
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socklen_t addr_len;
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char buf[4096];
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int sk, fd;
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snprintf(buf, sizeof(buf), "syslog-%x.img", id);
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fd = open(buf, O_RDONLY);
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if (fd < 0)
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return -ENOTSUP;
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close(fd);
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sk = socket(AF_FILE, SOCK_DGRAM | SOCK_CLOEXEC, 0);
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if (sk == -1)
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return sk;
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addr.sun_family = AF_FILE;
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addr_len = strlen("/dev/log");
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strncpy(addr.sun_path, "/dev/log", addr_len);
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addr_len += sizeof(addr.sun_family);
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if (connect(sk, (struct sockaddr *)&addr, addr_len) == -1) {
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close(sk);
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return -1;
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}
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return sk;
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}
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