diff options
Diffstat (limited to 'guix/build/syscalls.scm')
| -rw-r--r-- | guix/build/syscalls.scm | 113 |
1 files changed, 91 insertions, 22 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index ff008c5b78..8070c5546f 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -1315,62 +1315,131 @@ bytes." 40 32)) -(define-c-struct sockaddr-in ;<linux/in.h> - sizeof-sockaddrin +(define-c-struct sockaddr-in/linux ;<linux/in.h> + sizeof-sockaddr-in/linux (lambda (family port address) (make-socket-address family address port)) - read-sockaddr-in - write-sockaddr-in! + read-sockaddr-in/linux + write-sockaddr-in!/linux (family unsigned-short) (port (int16 ~ big)) (address (int32 ~ big))) -(define-c-struct sockaddr-in6 ;<linux/in6.h> - sizeof-sockaddr-in6 +(define-c-struct sockaddr-in/hurd ;<netinet/in.h> + sizeof-sockaddr-in/hurd + (lambda (len family port address zero) + (make-socket-address family address port)) + read-sockaddr-in/hurd + write-sockaddr-in!/hurd + (len uint8) + (family uint8) + (port (int16 ~ big)) + (address (int32 ~ big)) + (zero (array uint8 8))) + +(define-c-struct sockaddr-in6/linux ;<linux/in6.h> + sizeof-sockaddr-in6/linux (lambda (family port flowinfo address scopeid) (make-socket-address family address port flowinfo scopeid)) - read-sockaddr-in6 - write-sockaddr-in6! + read-sockaddr-in6/linux + write-sockaddr-in6!/linux (family unsigned-short) (port (int16 ~ big)) (flowinfo (int32 ~ big)) (address (int128 ~ big)) (scopeid int32)) -(define (write-socket-address! sockaddr bv index) +(define-c-struct sockaddr-in6/hurd ;<netinet/in.h> + sizeof-sockaddr-in6/hurd + (lambda (len family port flowinfo address scopeid) + (make-socket-address family address port flowinfo scopeid)) + read-sockaddr-in6/hurd + write-sockaddr-in6!/hurd + (len uint8) + (family uint8) + (port (int16 ~ big)) + (flowinfo (int32 ~ big)) + (address (int128 ~ big)) + (scopeid int32)) + +(define (write-socket-address!/linux sockaddr bv index) + "Write SOCKADDR, a socket address as returned by 'make-socket-address', to +bytevector BV at INDEX." + (let ((family (sockaddr:fam sockaddr))) + (cond ((= family AF_INET) + (write-sockaddr-in!/linux bv index + family + (sockaddr:port sockaddr) + (sockaddr:addr sockaddr))) + ((= family AF_INET6) + (write-sockaddr-in6!/linux bv index + family + (sockaddr:port sockaddr) + (sockaddr:flowinfo sockaddr) + (sockaddr:addr sockaddr) + (sockaddr:scopeid sockaddr))) + (else + (error "unsupported socket address" sockaddr))))) + +(define (write-socket-address!/hurd sockaddr bv index) "Write SOCKADDR, a socket address as returned by 'make-socket-address', to bytevector BV at INDEX." (let ((family (sockaddr:fam sockaddr))) (cond ((= family AF_INET) - (write-sockaddr-in! bv index - family - (sockaddr:port sockaddr) - (sockaddr:addr sockaddr))) + (write-sockaddr-in!/hurd bv index + sizeof-sockaddr-in/hurd + family + (sockaddr:port sockaddr) + (sockaddr:addr sockaddr) + '(0 0 0 0 0 0 0 0))) ((= family AF_INET6) - (write-sockaddr-in6! bv index - family - (sockaddr:port sockaddr) - (sockaddr:flowinfo sockaddr) - (sockaddr:addr sockaddr) - (sockaddr:scopeid sockaddr))) + (write-sockaddr-in6!/hurd bv index + sizeof-sockaddr-in6/hurd + family + (sockaddr:port sockaddr) + (sockaddr:flowinfo sockaddr) + (sockaddr:addr sockaddr) + (sockaddr:scopeid sockaddr))) (else (error "unsupported socket address" sockaddr))))) +(define write-socket-address! + (if (string-suffix? "linux-gnu" %host-type) + write-socket-address!/linux + write-socket-address!/hurd)) + (define PF_PACKET 17) ;<bits/socket.h> (define AF_PACKET PF_PACKET) -(define* (read-socket-address bv #:optional (index 0)) +(define* (read-socket-address/linux bv #:optional (index 0)) + "Read a socket address from bytevector BV at INDEX." + (let ((family (bytevector-u16-native-ref bv index))) + (cond ((= family AF_INET) + (read-sockaddr-in/linux bv index)) + ((= family AF_INET6) + (read-sockaddr-in6/linux bv index)) + (else + ;; XXX: Unsupported address family, such as AF_PACKET. Return a + ;; vector such that the vector can at least call 'sockaddr:fam'. + (vector family))))) + +(define* (read-socket-address/hurd bv #:optional (index 0)) "Read a socket address from bytevector BV at INDEX." (let ((family (bytevector-u16-native-ref bv index))) (cond ((= family AF_INET) - (read-sockaddr-in bv index)) + (read-sockaddr-in/hurd bv index)) ((= family AF_INET6) - (read-sockaddr-in6 bv index)) + (read-sockaddr-in6/hurd bv index)) (else ;; XXX: Unsupported address family, such as AF_PACKET. Return a ;; vector such that the vector can at least call 'sockaddr:fam'. (vector family))))) +(define read-socket-address + (if (string-suffix? "linux-gnu" %host-type) + read-socket-address/linux + read-socket-address/hurd)) + (define %ioctl ;; The most terrible interface, live from Scheme. (syscall->procedure int "ioctl" (list int unsigned-long '*))) |