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6466c3d750
Right now, permission flags passed to VFS::open() are effectively ignored, but that is going to change. * O_RDONLY is 0, but it's still nicer to pass it explicitly * POSIX says that binding a Unix socket to a symlink shall fail with EADDRINUSE
32 lines
665 B
C++
32 lines
665 B
C++
#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <unistd.h>
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int main(int, char**)
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{
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constexpr const char* path = "/tmp/foo";
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int rc = symlink("bar", path);
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if (rc < 0) {
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perror("symlink");
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return 1;
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}
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int fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (fd < 0) {
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perror("socket");
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return 1;
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}
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struct sockaddr_un addr;
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memset(&addr, 0, sizeof(addr));
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addr.sun_family = AF_UNIX;
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strncpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
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rc = bind(fd, (struct sockaddr*)(&addr), sizeof(addr));
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if (rc < 0 && errno == EADDRINUSE)
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return 0;
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return 1;
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}
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