1 c48c4a9c 2018-03-11 stsp /*
 2 c48c4a9c 2018-03-11 stsp  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
 3 c48c4a9c 2018-03-11 stsp  *
 4 c48c4a9c 2018-03-11 stsp  * Permission to use, copy, modify, and distribute this software for any
 5 c48c4a9c 2018-03-11 stsp  * purpose with or without fee is hereby granted, provided that the above
 6 c48c4a9c 2018-03-11 stsp  * copyright notice and this permission notice appear in all copies.
 7 c48c4a9c 2018-03-11 stsp  *
 8 c48c4a9c 2018-03-11 stsp  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 c48c4a9c 2018-03-11 stsp  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 c48c4a9c 2018-03-11 stsp  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 c48c4a9c 2018-03-11 stsp  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 c48c4a9c 2018-03-11 stsp  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 c48c4a9c 2018-03-11 stsp  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 c48c4a9c 2018-03-11 stsp  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 c48c4a9c 2018-03-11 stsp  */
16 c48c4a9c 2018-03-11 stsp 
17 c48c4a9c 2018-03-11 stsp #include <sys/queue.h>
18 c48c4a9c 2018-03-11 stsp #include <sys/stat.h>
19 c48c4a9c 2018-03-11 stsp 
20 c48c4a9c 2018-03-11 stsp #include <stdio.h>
21 c48c4a9c 2018-03-11 stsp #include <stdlib.h>
22 c48c4a9c 2018-03-11 stsp #include <string.h>
23 c48c4a9c 2018-03-11 stsp #include <sha1.h>
24 c48c4a9c 2018-03-11 stsp 
25 c48c4a9c 2018-03-11 stsp #include "got_error.h"
26 c48c4a9c 2018-03-11 stsp 
27 c48c4a9c 2018-03-11 stsp #include "got_fileindex_priv.h"
28 c48c4a9c 2018-03-11 stsp 
29 c48c4a9c 2018-03-11 stsp const struct got_error *
30 c48c4a9c 2018-03-11 stsp got_fileindex_entry_open(struct got_fileindex_entry **entry, const char *path,
31 c48c4a9c 2018-03-11 stsp     uint8_t *blob_sha1)
32 c48c4a9c 2018-03-11 stsp {
33 c48c4a9c 2018-03-11 stsp 	struct stat sb;
34 c48c4a9c 2018-03-11 stsp 	size_t len;
35 c48c4a9c 2018-03-11 stsp 
36 c48c4a9c 2018-03-11 stsp 	if (lstat(path, &sb) != 0)
37 c48c4a9c 2018-03-11 stsp 		return got_error_from_errno();
38 c48c4a9c 2018-03-11 stsp 
39 c48c4a9c 2018-03-11 stsp 	*entry = calloc(1, sizeof(**entry));
40 c48c4a9c 2018-03-11 stsp 	if (*entry == NULL)
41 c48c4a9c 2018-03-11 stsp 		return got_error(GOT_ERR_NO_MEM);
42 c48c4a9c 2018-03-11 stsp 
43 c48c4a9c 2018-03-11 stsp 	(*entry)->path = strdup(path);
44 c48c4a9c 2018-03-11 stsp 	if ((*entry)->path == NULL) {
45 c48c4a9c 2018-03-11 stsp 		free(*entry);
46 c48c4a9c 2018-03-11 stsp 		*entry = NULL;
47 c48c4a9c 2018-03-11 stsp 		return got_error(GOT_ERR_NO_MEM);
48 c48c4a9c 2018-03-11 stsp 	}
49 c48c4a9c 2018-03-11 stsp 	
50 c48c4a9c 2018-03-11 stsp 	(*entry)->ctime_sec = sb.st_ctime;
51 c48c4a9c 2018-03-11 stsp 	(*entry)->ctime_nsec = sb.st_ctimensec;
52 c48c4a9c 2018-03-11 stsp 	(*entry)->mtime_sec = sb.st_mtime;
53 c48c4a9c 2018-03-11 stsp 	(*entry)->mtime_nsec = sb.st_mtimensec;
54 c48c4a9c 2018-03-11 stsp 	(*entry)->uid = sb.st_uid;
55 c48c4a9c 2018-03-11 stsp 	(*entry)->gid = sb.st_gid;
56 c48c4a9c 2018-03-11 stsp 	(*entry)->size = (sb.st_size & 0xffffffff);
57 c48c4a9c 2018-03-11 stsp 	if (sb.st_mode & S_IFLNK)
58 c48c4a9c 2018-03-11 stsp 		(*entry)->mode = GOT_INDEX_ENTRY_MODE_SYMLINK;
59 c48c4a9c 2018-03-11 stsp 	else
60 c48c4a9c 2018-03-11 stsp 		(*entry)->mode = GOT_INDEX_ENTRY_MODE_REGULAR_FILE;
61 c48c4a9c 2018-03-11 stsp 	(*entry)->mode |= ((sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) <<
62 c48c4a9c 2018-03-11 stsp 	    GOT_INDEX_ENTRY_MODE_PERMS_SHIFT);
63 c48c4a9c 2018-03-11 stsp 	memcpy((*entry)->blob_sha1, blob_sha1, SHA1_DIGEST_LENGTH);
64 c48c4a9c 2018-03-11 stsp 	len = strlen(path);
65 c48c4a9c 2018-03-11 stsp 	if (len > GOT_INDEX_ENTRY_F_PATH_LEN)
66 c48c4a9c 2018-03-11 stsp 		len = GOT_INDEX_ENTRY_F_PATH_LEN;
67 c48c4a9c 2018-03-11 stsp 	(*entry)->flags |= len;
68 c48c4a9c 2018-03-11 stsp 
69 c48c4a9c 2018-03-11 stsp 	return NULL;
70 c48c4a9c 2018-03-11 stsp }
71 c48c4a9c 2018-03-11 stsp 
72 c48c4a9c 2018-03-11 stsp void
73 c48c4a9c 2018-03-11 stsp got_fileindex_entry_close(struct got_fileindex_entry *entry)
74 c48c4a9c 2018-03-11 stsp {
75 c48c4a9c 2018-03-11 stsp 	free(entry->path);
76 c48c4a9c 2018-03-11 stsp 	free(entry);
77 c48c4a9c 2018-03-11 stsp }