102 lines
2.9 KiB
Plaintext
102 lines
2.9 KiB
Plaintext
--- /dev/null Thu Feb 10 20:03:15 2000
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+++ src/freebsd-sysctl.c Thu Feb 10 20:03:40 2000
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@@ -0,0 +1,98 @@
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+#include <sys/param.h>
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+#include <sys/types.h>
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+#include <sys/socket.h>
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+#include <sys/sysctl.h>
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+#include <sys/ucred.h>
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+
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+#include <netinet/in.h>
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+
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+int
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+k_open(void) {
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+
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+ return 0;
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+}
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+
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+#ifdef INET6
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+int k_getuid(struct sockaddr *faddr, int fport, struct sockaddr *laddr,
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+ int lport, int *uid) {
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+ struct sockaddr_in sin[2];
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+ struct sockaddr_in6 sin6[2];
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+ struct ucred uc;
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+ size_t oldlen = sizeof(uc);
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+ struct sockaddr *sa;
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+ int salen;
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+ char *ctlname;
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+
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+ if (faddr->sa_family != laddr->sa_family)
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+ return -1;
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+ if (faddr->sa_family == AF_INET) {
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+ sin[0].sin_family = sin[1].sin_family = AF_INET;
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+ sin[0].sin_len = sin[1].sin_len = sizeof(struct sockaddr_in);
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+ memcpy(&sin[0].sin_addr,
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+ &((struct sockaddr_in *)laddr)->sin_addr,
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+ sizeof(struct in_addr));
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+ memcpy(&sin[1].sin_addr,
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+ &((struct sockaddr_in *)faddr)->sin_addr,
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+ sizeof(struct in_addr));
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+ sin[0].sin_port = (u_int16_t)lport;
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+ sin[1].sin_port = (u_int16_t)fport;
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+ sa = (struct sockaddr *)sin;
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+ salen = sizeof(sin);
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+ ctlname = "net.inet.tcp.getcred";
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+ } else if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)faddr)->sin6_addr)) {
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+ sin[0].sin_family = sin[1].sin_family = AF_INET;
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+ sin[0].sin_len = sin[1].sin_len = sizeof(struct sockaddr_in);
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+ memcpy(&sin[0].sin_addr,
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+ &((struct sockaddr_in6 *)laddr)->sin6_addr.s6_addr[12],
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+ sizeof(struct in_addr));
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+ memcpy(&sin[1].sin_addr,
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+ &((struct sockaddr_in6 *)faddr)->sin6_addr.s6_addr[12],
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+ sizeof(struct in_addr));
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+ sin[0].sin_port = (u_int16_t)lport;
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+ sin[1].sin_port = (u_int16_t)fport;
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+ sa = (struct sockaddr *)sin;
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+ salen = sizeof(sin);
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+ ctlname = "net.inet.tcp.getcred";
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+ } else {
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+ sin6[0].sin6_family = sin6[1].sin6_family = AF_INET6;
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+ sin6[0].sin6_len = sin6[1].sin6_len
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+ = sizeof(struct sockaddr_in6);
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+ memcpy(&sin6[0].sin6_addr,
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+ &((struct sockaddr_in6 *)laddr)->sin6_addr,
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+ sizeof(struct in6_addr));
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+ memcpy(&sin6[1].sin6_addr,
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+ &((struct sockaddr_in6 *)faddr)->sin6_addr,
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+ sizeof(struct in6_addr));
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+ sin6[0].sin6_port = (u_int16_t)lport;
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+ sin6[1].sin6_port = (u_int16_t)fport;
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+ sa = (struct sockaddr *)sin6;
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+ salen = sizeof(sin6);
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+ ctlname = "net.inet6.tcp6.getcred";
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+ }
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+
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+ if (sysctlbyname(ctlname, &uc, &oldlen, sa, salen))
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+ return -1;
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+
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+ *uid = uc.cr_uid;
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+ return 0;
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+}
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+#else
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+int k_getuid(struct in_addr *faddr, int fport, struct in_addr *laddr,
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+ int lport, int *uid) {
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+ struct sockaddr_in sin[2];
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+ struct ucred uc;
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+ size_t oldlen = sizeof(uc);
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+
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+ sin[0].sin_addr.s_addr = laddr->s_addr;
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+ sin[1].sin_addr.s_addr = faddr->s_addr;
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+ sin[0].sin_port = (u_short)lport;
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+ sin[1].sin_port = (u_short)fport;
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+
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+ if (sysctlbyname("net.inet.tcp.getcred", &uc, &oldlen, sin,
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+ sizeof(sin)))
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+ return -1;
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+
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+ *uid = uc.cr_uid;
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+ return 0;
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+}
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+#endif
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