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-rw-r--r--conf/mount/mount_aix3.c225
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diff --git a/conf/mount/mount_aix3.c b/conf/mount/mount_aix3.c
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+/*
+ * 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_aix3.c
+ *
+ */
+
+/*
+ * AIX 3.x/4.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
+aix3_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-style arguments.
+ */
+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 aix3_mkvp() */
+ char *real_args = data; /* args passed to aix3_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;
+#ifdef MOUNT_TYPE_NFS3_BIS
+ struct aix4_nfs_args_bis v3args_bis;
+#endif /* MOUNT_TYPE_NFS3_BIS */
+#endif /* HAVE_FS_NFS3 */
+
+#ifdef DEBUG
+ dlog("mount_aix3: fsname %s, dir %s, type %d", fsname, dir, type);
+#endif /* DEBUG */
+
+#ifdef MOUNT_TYPE_NFS3_BIS
+ retry_ibm_buggy_service_pack:
+#endif /* MOUNT_TYPE_NFS3_BIS */
+ 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, 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:
+#ifdef MOUNT_TYPE_NFS3_BIS
+ case MOUNT_TYPE_NFS3_BIS:
+ /* just fall through */
+ if (aix_type == MOUNT_TYPE_NFS3_BIS) {
+ dlog("mount_aix3: creating alternate nfs3_args structure");
+ memmove((voidp) &v3args_bis.addr, (voidp) &v3args->addr, sizeof(struct sockaddr_in));
+ v3args_bis.syncaddr = v3args->syncaddr;
+ v3args_bis.proto = v3args->proto;
+ v3args_bis.hostname = v3args->hostname;
+ v3args_bis.netname = v3args->netname;
+ v3args_bis.fh = v3args->fh;
+ v3args_bis.flags = v3args->flags;
+ v3args_bis.wsize = v3args->wsize;
+ v3args_bis.rsize = v3args->rsize;
+ v3args_bis.timeo = v3args->timeo;
+ v3args_bis.retrans = v3args->retrans;
+ v3args_bis.acregmin = v3args->acregmin;
+ v3args_bis.acregmax = v3args->acregmax;
+ v3args_bis.acdirmin = v3args->acdirmin;
+ v3args_bis.acdirmax = v3args->acdirmax;
+ v3args_bis.pathconf = v3args->pathconf;
+ v3args_bis.biods = v3args->biods;
+ v3args_bis.numclust = v3args->numclust;
+ /* now set real_* stuff */
+ real_size = sizeof(v3args_bis);
+ real_args = (char *) &v3args_bis;
+ }
+#endif /* MOUNT_TYPE_NFS3_BIS */
+#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 = aix3_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");
+#ifdef MOUNT_TYPE_NFS3_BIS
+ if (aix_type == MOUNT_TYPE_NFS3 && errno == EINVAL) {
+ aix_type = MOUNT_TYPE_NFS3_BIS;
+#ifdef DEBUG
+ dlog("mount_aix3: retrying with alternate nfs3_args structure");
+#endif /* DEBUG */
+ goto retry_ibm_buggy_service_pack;
+ }
+#endif /* MOUNT_TYPE_NFS3_BIS */
+ }
+ return ret;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 00:06:46 +0000