Annotation of src/usr.bin/ssh/sftp-common.c, Revision 1.1
1.1 ! djm 1: /*
! 2: * Copyright (c) 2001 Markus Friedl. All rights reserved.
! 3: * Copyright (c) 2001 Damien Miller. All rights reserved.
! 4: *
! 5: * Redistribution and use in source and binary forms, with or without
! 6: * modification, are permitted provided that the following conditions
! 7: * are met:
! 8: * 1. Redistributions of source code must retain the above copyright
! 9: * notice, this list of conditions and the following disclaimer.
! 10: * 2. Redistributions in binary form must reproduce the above copyright
! 11: * notice, this list of conditions and the following disclaimer in the
! 12: * documentation and/or other materials provided with the distribution.
! 13: *
! 14: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 15: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 16: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 17: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 18: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 19: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 20: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 21: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 22: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 23: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 24: */
! 25:
! 26: #include "includes.h"
! 27: RCSID("$OpenBSD$");
! 28:
! 29: #include "buffer.h"
! 30: #include "bufaux.h"
! 31: #include "getput.h"
! 32: #include "log.h"
! 33: #include "xmalloc.h"
! 34:
! 35: #include "sftp.h"
! 36: #include "sftp-common.h"
! 37:
! 38: void
! 39: attrib_clear(Attrib *a)
! 40: {
! 41: a->flags = 0;
! 42: a->size = 0;
! 43: a->uid = 0;
! 44: a->gid = 0;
! 45: a->perm = 0;
! 46: a->atime = 0;
! 47: a->mtime = 0;
! 48: }
! 49:
! 50: void
! 51: stat_to_attrib(struct stat *st, Attrib *a)
! 52: {
! 53: attrib_clear(a);
! 54: a->flags = 0;
! 55: a->flags |= SSH2_FILEXFER_ATTR_SIZE;
! 56: a->size = st->st_size;
! 57: a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
! 58: a->uid = st->st_uid;
! 59: a->gid = st->st_gid;
! 60: a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
! 61: a->perm = st->st_mode;
! 62: a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
! 63: a->atime = st->st_atime;
! 64: a->mtime = st->st_mtime;
! 65: }
! 66:
! 67: Attrib *
! 68: decode_attrib(Buffer *b)
! 69: {
! 70: static Attrib a;
! 71: attrib_clear(&a);
! 72: a.flags = buffer_get_int(b);
! 73: if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
! 74: a.size = buffer_get_int64(b);
! 75: if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
! 76: a.uid = buffer_get_int(b);
! 77: a.gid = buffer_get_int(b);
! 78: }
! 79: if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
! 80: a.perm = buffer_get_int(b);
! 81: if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
! 82: a.atime = buffer_get_int(b);
! 83: a.mtime = buffer_get_int(b);
! 84: }
! 85: /* vendor-specific extensions */
! 86: if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
! 87: char *type, *data;
! 88: int i, count;
! 89: count = buffer_get_int(b);
! 90: for (i = 0; i < count; i++) {
! 91: type = buffer_get_string(b, NULL);
! 92: data = buffer_get_string(b, NULL);
! 93: debug3("Got file attribute \"%s\"", type);
! 94: xfree(type);
! 95: xfree(data);
! 96: }
! 97: }
! 98: return &a;
! 99: }
! 100:
! 101: void
! 102: encode_attrib(Buffer *b, Attrib *a)
! 103: {
! 104: buffer_put_int(b, a->flags);
! 105: if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
! 106: buffer_put_int64(b, a->size);
! 107: if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
! 108: buffer_put_int(b, a->uid);
! 109: buffer_put_int(b, a->gid);
! 110: }
! 111: if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
! 112: buffer_put_int(b, a->perm);
! 113: if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
! 114: buffer_put_int(b, a->atime);
! 115: buffer_put_int(b, a->mtime);
! 116: }
! 117: }
! 118:
! 119: const char *
! 120: fx2txt(int status)
! 121: {
! 122: switch (status) {
! 123: case SSH2_FX_OK:
! 124: return("No Error");
! 125: case SSH2_FX_EOF:
! 126: return("End of File");
! 127: case SSH2_FX_NO_SUCH_FILE:
! 128: return("No Such File");
! 129: case SSH2_FX_PERMISSION_DENIED:
! 130: return("Permission Denied");
! 131: case SSH2_FX_FAILURE:
! 132: return("Failure");
! 133: case SSH2_FX_BAD_MESSAGE:
! 134: return("Bad message");
! 135: case SSH2_FX_NO_CONNECTION:
! 136: return("No connection");
! 137: case SSH2_FX_CONNECTION_LOST:
! 138: return("Connection lost");
! 139: case SSH2_FX_OP_UNSUPPORTED:
! 140: return("Operation unsupported");
! 141: default:
! 142: return("Unknown status");
! 143: };
! 144: /* NOTREACHED */
! 145: }
! 146: