27 lines
615 B
C
27 lines
615 B
C
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/pstat.h>
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/*
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* HP-UX does not have issetugid().
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* This experimental implementation uses pstat_getproc() and get*id().
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* First, try pstat_getproc() and check PS_CHANGEDPRIV bit of pst_flag.
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* In case unsuccessful calling pstat_getproc(), using get*id().
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*
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*/
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int issetugid(void)
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{
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struct pst_status buf;
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if(pstat_getproc(&buf, sizeof(buf), 0, getpid()) != 1) {
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perror("pstat_getproc()");
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} else {
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if(buf.pst_flag & PS_CHANGEDPRIV)
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return 1;
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}
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if(getuid() != geteuid())
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return 1;
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if(getgid() != getegid())
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return 1;
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return 0;
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}
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