4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
37 lines
884 B
C
37 lines
884 B
C
#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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/*
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* get the effective user ID and effective group ID of a peer
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* connected through a Unix domain socket.
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*/
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int getpeereid(int sd, uid_t *euid, gid_t *egid) {
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int rc;
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struct ucred cred;
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socklen_t ucred_length;
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/* Initialize Data Structures */
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ucred_length = sizeof(struct ucred);
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memset(&cred, '\0', ucred_length);
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/* Validate Input Parameters */
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if (euid == NULL || egid == NULL) {
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errno = EFAULT;
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return -1;
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} /* getsockopt will handle validating 'sd' */
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/* Get the credentials of the peer at the other end of 'sd' */
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rc = getsockopt(sd, SOL_SOCKET, SO_PEERCRED, &cred, &ucred_length);
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if (rc == 0) {
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/* Success - return the results */
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*euid = cred.uid;
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*egid = cred.gid;
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return 0;
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} else {
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/* Failure - getsockopt takes care of setting errno */
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return -1;
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}
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}
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