projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| c245cb54 | 1 | /* |
| c245cb54 JSP |
2 | * Copyright (c) 1990 Jan-Simon Pendry |
| 3 | * Copyright (c) 1990 Imperial College of Science, Technology & Medicine | |
| 4 | * Copyright (c) 1990 The Regents of the University of California. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * This code is derived from software contributed to Berkeley by | |
| 8 | * Jan-Simon Pendry at Imperial College, London. | |
| 9 | * | |
| 2f619045 | 10 | * %sccs.include.redist.c% |
| c245cb54 | 11 | * |
| 332f0791 | 12 | * @(#)mount_aix.c 5.4 (Berkeley) %G% |
| 8d2991d5 | 13 | * |
| 332f0791 | 14 | * $Id: mount_aix.c,v 5.2.2.1 1992/02/09 15:10:08 jsp beta $ |
| 8d2991d5 | 15 | * |
| c245cb54 JSP |
16 | */ |
| 17 | ||
| 18 | ||
| 19 | /* | |
| 20 | * AIX 3 Mount helper | |
| 21 | */ | |
| 22 | ||
| 23 | #include "misc-aix3.h" | |
| 24 | ||
| 25 | static int aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) | |
| 26 | char *p; | |
| 27 | int gfstype; | |
| 28 | int flags; | |
| 29 | char *object; | |
| 30 | char *stub; | |
| 31 | char *host; | |
| 32 | char *info; | |
| 33 | int info_size; | |
| 34 | char *args; | |
| 35 | { | |
| 36 | struct vmount *vp = (struct vmount *) p; | |
| 37 | bzero((voidp) vp, sizeof(*vp)); | |
| 38 | /* | |
| 39 | * Fill in standard fields | |
| 40 | */ | |
| 41 | vp->vmt_revision = VMT_REVISION; | |
| 42 | vp->vmt_flags = flags; | |
| 43 | vp->vmt_gfstype = gfstype; | |
| 44 | ||
| 45 | #define VMT_ROUNDUP(len) (4 * ((len + 3) / 4)) | |
| 46 | #define VMT_ASSIGN(vp, idx, data, size) \ | |
| 47 | vp->vmt_data[idx].vmt_off = p - (char *) vp; \ | |
| 48 | vp->vmt_data[idx].vmt_size = size; \ | |
| 49 | bcopy(data, p, size); \ | |
| 50 | p += VMT_ROUNDUP(size); | |
| 51 | ||
| 52 | /* | |
| 53 | * Fill in all variable length data | |
| 54 | */ | |
| 55 | p += sizeof(*vp); | |
| 56 | ||
| 57 | VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1); | |
| 58 | VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1); | |
| 59 | VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1); | |
| 60 | VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1); | |
| 61 | VMT_ASSIGN(vp, VMT_INFO, info, info_size); | |
| 62 | VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1); | |
| 63 | ||
| 64 | #undef VMT_ASSIGN | |
| 65 | #undef VMT_ROUNDUP | |
| 66 | ||
| 67 | /* | |
| 68 | * Return length | |
| 69 | */ | |
| 70 | return vp->vmt_length = p - (char *) vp; | |
| 71 | } | |
| 72 | ||
| 73 | /* | |
| 74 | * Map from conventional mount arguments | |
| 75 | * to AIX 3-style arguments. | |
| 76 | */ | |
| 77 | aix3_mount(fsname, dir, flags, type, data, args) | |
| 78 | char *fsname; | |
| 79 | char *dir; | |
| 80 | int flags; | |
| 81 | int type; | |
| 82 | void *data; | |
| 83 | char *args; | |
| 84 | { | |
| 85 | char buf[4096]; | |
| 86 | int size; | |
| 87 | ||
| 88 | #ifdef DEBUG | |
| 89 | dlog("aix3_mount: fsname %s, dir %s, type %d", fsname, dir, type); | |
| 90 | #endif /* DEBUG */ | |
| 91 | ||
| 92 | /* aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) */ | |
| 93 | ||
| 94 | switch (type) { | |
| 95 | ||
| 96 | case MOUNT_TYPE_NFS: { | |
| 97 | char *host = strdup(fsname); | |
| 98 | char *rfs = strchr(host, ':'); | |
| 99 | int free_rfs = 0; | |
| 100 | if (rfs) { | |
| 101 | *rfs++ = '\0'; | |
| 102 | } else { | |
| 103 | rfs = host; | |
| 104 | free_rfs = 1; | |
| 105 | host = strdup(hostname); | |
| 106 | } | |
| 107 | ||
| 108 | size = aix3_mkvp(buf, type, flags, rfs, dir, host, data, sizeof(struct nfs_args), args); | |
| 109 | if (free_rfs) | |
| 110 | free((voidp) rfs); | |
| 111 | free(host); | |
| 112 | ||
| 113 | } break; | |
| 114 | ||
| 115 | case MOUNT_TYPE_UFS: | |
| 116 | /* Need to open block device and extract log device info from sblk. */ | |
| 117 | return EINVAL; | |
| 118 | ||
| 119 | default: | |
| 120 | return EINVAL; | |
| 121 | } | |
| 122 | #ifdef DEBUG | |
| 123 | /*dlog("aix3_mkvp: flags %#x, size %d, args %s", flags, size, args);*/ | |
| 124 | #endif /* DEBUG */ | |
| 125 | ||
| 126 | return vmount(buf, size); | |
| 127 | } |