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author | Laurent Bercot <ska-skaware@skarnet.org> | 2019-02-18 20:16:52 +0000 |
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committer | Laurent Bercot <ska-skaware@skarnet.org> | 2019-02-18 20:16:52 +0000 |
commit | 332d4cbc24ab82cc77bccb0ce2c158c5e86a8fac (patch) | |
tree | 906173136677939243092524f7ef2637c750da24 | |
parent | 8f08399dd02851ba1ce0070394017f107032307b (diff) | |
download | skalibs-332d4cbc24ab82cc77bccb0ce2c158c5e86a8fac.tar.xz |
Get rid of tryancilautoclose test
-rw-r--r-- | src/sysdeps/tryancilautoclose.c | 114 |
1 files changed, 6 insertions, 108 deletions
diff --git a/src/sysdeps/tryancilautoclose.c b/src/sysdeps/tryancilautoclose.c index 1da87bc..4cb08b3 100644 --- a/src/sysdeps/tryancilautoclose.c +++ b/src/sysdeps/tryancilautoclose.c @@ -1,114 +1,12 @@ /* ISC license. */ -#undef _POSIX_C_SOURCE -#undef _XOPEN_SOURCE - -#ifndef _BSD_SOURCE -#define _BSD_SOURCE -#endif - -#ifndef _XPG4_2 -#define _XPG4_2 -#endif - -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <sys/socket.h> -#include <sys/uio.h> - -union aligner_u -{ - struct cmsghdr cmsghdr ; - int i ; -} ; - -static int ancil_send_fd (int sock, int fd) -{ - union aligner_u ancilbuf[1 + CMSG_SPACE(sizeof(int)) / sizeof(union aligner_u)] ; - char s[8] = "blahblah" ; - struct iovec v = { .iov_base = s, .iov_len = 8 } ; - struct msghdr msghdr = - { - .msg_name = 0, - .msg_namelen = 0, - .msg_iov = &v, - .msg_iovlen = 1, - .msg_flags = 0, - .msg_control = ancilbuf, - .msg_controllen = CMSG_SPACE(sizeof(int)) - } ; - struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msghdr) ; - cmsg->cmsg_len = CMSG_LEN(sizeof(int)) ; - cmsg->cmsg_level = SOL_SOCKET ; - cmsg->cmsg_type = SCM_RIGHTS ; - *((int *)CMSG_DATA(cmsg)) = fd ; - if (sendmsg(sock, &msghdr, 0) < 0) return 0 ; - return 1 ; -} - -static int ancil_recv_fd (int sock) -{ - union aligner_u ancilbuf[1 + CMSG_SPACE(sizeof(int)) / sizeof(union aligner_u)] ; - char s[8] ; - struct iovec v = { .iov_base = s, .iov_len = 8 } ; - struct msghdr msghdr = - { - .msg_name = 0, - .msg_namelen = 0, - .msg_iov = &v, - .msg_iovlen = 1, - .msg_flags = 0, - .msg_control = ancilbuf, - .msg_controllen = CMSG_SPACE(sizeof(int)) - } ; - struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msghdr) ; - cmsg->cmsg_len = msghdr.msg_controllen ; - cmsg->cmsg_level = SOL_SOCKET ; - cmsg->cmsg_type = SCM_RIGHTS ; - *((int *)CMSG_DATA(cmsg)) = -1 ; - if (recvmsg(sock, &msghdr, 0) != 8) return -1 ; - if (memcmp(s, "blahblah", 8)) return -1 ; - return *((int *)CMSG_DATA(cmsg)) ; -} - -static int client (int sock) -{ - int p ; - char c ; - if (read(sock, &c, 1) < 1) return 111 ; - if (c != 'b') return 111 ; - p = ancil_recv_fd(sock) ; - if (p < 0) return 111 ; - if (read(sock, &c, 1) < 1) return 111 ; - if (c != 'a') return 111 ; - if (read(p, &c, 1) < 1) return 111 ; - if (c != 'K') return 111 ; - if (read(p, &c, 1) < 1) return 111 ; - return c ; -} - -static void server (int sock) -{ - int p[2] ; - char c = 1 ; - if (pipe(p) < 0) return ; - if (write(sock, "b", 1) < 1) return ; - if (!ancil_send_fd(sock, p[0])) return ; - if (write(sock, "a", 1) < 1) return ; - if (write(p[1], "K", 1) < 1) return ; - if ((close(p[0]) < 0) && (errno == EBADF)) c = 0 ; - write(p[1], &c, 1) ; -} + /* + * It's actually false everywhere. + * Not removing the test for now because it would mean editing all the + * places where the test happens. Will remove it later. + */ int main (void) { - int fd[2] ; - if (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) < 0) return 111 ; - switch (fork()) - { - case -1 : return 111 ; - case 0 : close(fd[0]) ; server(fd[1]) ; return 0 ; - default : close(fd[1]) ; return client(fd[0]) ; - } + return 1 ; } |