diff options
Diffstat (limited to 'conf/mount/mount_aix.c')
| -rw-r--r-- | conf/mount/mount_aix.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/conf/mount/mount_aix.c b/conf/mount/mount_aix.c new file mode 100644 index 0000000000000..6cb8326111489 --- /dev/null +++ b/conf/mount/mount_aix.c @@ -0,0 +1,182 @@ +/* + * Copyright (c) 1997-2014 Erez Zadok + * Copyright (c) 1990 Jan-Simon Pendry + * Copyright (c) 1990 Imperial College of Science, Technology & Medicine + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry at Imperial College, London. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * + * File: am-utils/conf/mount/mount_aix.c + * + */ + +/* + * AIX 5.x Mount helper + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif /* HAVE_CONFIG_H */ +#include <am_defs.h> +#include <amu.h> + +#define VMT_ROUNDUP(len) (4 * ((len + 3) / 4)) +#define VMT_ASSIGN(vp, idx, data, size) \ + vp->vmt_data[idx].vmt_off = p - (char *) vp; \ + vp->vmt_data[idx].vmt_size = size; \ + memmove(p, data, size); \ + p += VMT_ROUNDUP(size); + +/* missing external definitions from AIX's headers */ +extern int vmount(struct vmount *vmount, int size); + + +static int +aix5_mkvp(char *p, int gfstype, int flags, char *object, char *stub, char *host, char *info, int info_size, char *args) +{ + struct vmount *vp = (struct vmount *) p; + + memset((voidp) vp, 0, sizeof(*vp)); + /* + * Fill in standard fields + */ + vp->vmt_revision = VMT_REVISION; + vp->vmt_flags = flags; + vp->vmt_gfstype = gfstype; + + /* + * Fill in all variable length data + */ + p += sizeof(*vp); + + VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1); + VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1); + VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1); + VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1); + VMT_ASSIGN(vp, VMT_INFO, info, info_size); + VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1); + + /* + * Return length + */ + return vp->vmt_length = p - (char *) vp; +} + + +/* + * Map from conventional mount arguments to AIX 3,x style arguments. + * But we avoid all the messy BIS stuff for AIX 5.x + */ +int +mount_aix3(char *fsname, char *dir, int flags, int type, void *data, char *mnt_opts) +{ + char buf[4096]; + int size, ret; + int real_size = sizeof(nfs_args_t); /* size passed to aix5_mkvp() */ + char *real_args = data; /* args passed to aix5_mkvp() */ + char *host, *rfs, *idx; + int aix_type = type; +#ifdef HAVE_FS_NFS3 + struct nfs_args v2args; + nfs_args_t *v3args = (nfs_args_t *) data; +#endif /* HAVE_FS_NFS3 */ + +#ifdef DEBUG + dlog("mount_aix3: fsname %s, dir %s, type %d", fsname, dir, type); +#endif /* DEBUG */ + + switch (aix_type) { + + case MOUNT_TYPE_NFS: + +#ifdef HAVE_FS_NFS3 + /* + * This is tricky. If we have v3 support, but this nfs mount is v2, + * then I must copy the arguments from the v3 nfs_args to the v2 one. + */ + memmove((voidp) &v2args.addr, (voidp) &v3args->addr, sizeof(struct sockaddr_in)); + v2args.hostname = v3args->hostname; + v2args.netname = v3args->netname; + memmove((voidp) v2args.fh.x, v3args->fh, FHSIZE); + v2args.flags = v3args->flags; + v2args.wsize = v3args->wsize; + v2args.rsize = v3args->rsize; + v2args.timeo = v3args->timeo; + v2args.retrans = v3args->retrans; + v2args.acregmin = v3args->acregmin; + v2args.acregmax = v3args->acregmax; + v2args.acdirmin = v3args->acdirmin; + v2args.acdirmax = v3args->acdirmax; + v2args.pathconf = v3args->pathconf; + + /* now set real_* stuff */ + real_size = sizeof(v2args); + real_args = (char *) &v2args; + + case MOUNT_TYPE_NFS3: +#endif /* HAVE_FS_NFS3 */ + + idx = strchr(fsname, ':'); + if (idx) { + *idx = '\0'; + rfs = xstrdup(idx + 1); + host = xstrdup(fsname); + *idx = ':'; + } else { + rfs = xstrdup(fsname); + host = xstrdup(am_get_hostname()); + } + + size = aix5_mkvp(buf, type, flags, rfs, dir, host, + real_args, real_size, mnt_opts); + XFREE(rfs); + XFREE(host); + break; + + case MOUNT_TYPE_UFS: + /* Need to open block device and extract log device info from sblk. */ + return EINVAL; + + default: + return EINVAL; + } + + /* + * XXX: Warning, if vmount() hangs your amd in AIX 5.1, it + * is because of a kernel bug in the NFS code. Get a patch from IBM + * or upgrade to 5.2. + */ + ret = vmount((struct vmount *)buf, size); + if (ret < 0) { + plog(XLOG_ERROR, "mount_aix3: vmount failed with errno %d", errno); + perror ("vmount"); + } + return ret; +} |