diff options
Diffstat (limited to 'openbsd-compat/bsd-misc.c')
| -rw-r--r-- | openbsd-compat/bsd-misc.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c index 5d7540a70f4b6..aa1c7d7a3dd6a 100644 --- a/openbsd-compat/bsd-misc.c +++ b/openbsd-compat/bsd-misc.c @@ -25,6 +25,7 @@ # include <sys/time.h> #endif +#include <fcntl.h> #include <string.h> #include <signal.h> #include <stdlib.h> @@ -117,6 +118,106 @@ int utimes(char *filename, struct timeval *tvp) } #endif +#ifndef HAVE_UTIMENSAT +/* + * A limited implementation of utimensat() that only implements the + * functionality used by OpenSSH, currently only AT_FDCWD and + * AT_SYMLINK_NOFOLLOW. + */ +int +utimensat(int fd, const char *path, const struct timespec times[2], + int flag) +{ + struct timeval tv[2]; + int ret, oflags = O_WRONLY; + + tv[0].tv_sec = times[0].tv_sec; + tv[0].tv_usec = times[0].tv_nsec / 1000; + tv[1].tv_sec = times[1].tv_sec; + tv[1].tv_usec = times[1].tv_nsec / 1000; + + if (fd != AT_FDCWD) { + errno = ENOSYS; + return -1; + } +# ifndef HAVE_FUTIMES + return utimes(path, tv); +# else +# ifdef O_NOFOLLOW + if (flag & AT_SYMLINK_NOFOLLOW) + oflags |= O_NOFOLLOW; +# endif /* O_NOFOLLOW */ + if ((fd = open(path, oflags)) == -1) + return -1; + ret = futimes(fd, tv); + close(fd); + return ret; +# endif +} +#endif + +#ifndef HAVE_FCHOWNAT +/* + * A limited implementation of fchownat() that only implements the + * functionality used by OpenSSH, currently only AT_FDCWD and + * AT_SYMLINK_NOFOLLOW. + */ +int +fchownat(int fd, const char *path, uid_t owner, gid_t group, int flag) +{ + int ret, oflags = O_WRONLY; + + if (fd != AT_FDCWD) { + errno = ENOSYS; + return -1; + } +# ifndef HAVE_FCHOWN + return chown(pathname, owner, group); +# else +# ifdef O_NOFOLLOW + if (flag & AT_SYMLINK_NOFOLLOW) + oflags |= O_NOFOLLOW; +# endif /* O_NOFOLLOW */ + if ((fd = open(path, oflags)) == -1) + return -1; + ret = fchown(fd, owner, group); + close(fd); + return ret; +# endif +} +#endif + +#ifndef HAVE_FCHMODAT +/* + * A limited implementation of fchmodat() that only implements the + * functionality used by OpenSSH, currently only AT_FDCWD and + * AT_SYMLINK_NOFOLLOW. + */ +int +fchmodat(int fd, const char *path, mode_t mode, int flag) +{ + int ret, oflags = O_WRONLY; + + if (fd != AT_FDCWD) { + errno = ENOSYS; + return -1; + } +# ifndef HAVE_FCHMOD + return chown(pathname, owner, group); +# else +# ifdef O_NOFOLLOW + if (flag & AT_SYMLINK_NOFOLLOW) + oflags |= O_NOFOLLOW; +# endif /* O_NOFOLLOW */ + if ((fd = open(path, oflags)) == -1) + return -1; + ret = fchmod(fd, mode); + close(fd); + return ret; +# endif +} +#endif + #ifndef HAVE_TRUNCATE int truncate(const char *path, off_t length) { |