Blame


1 7b19e0f1 2017-11-05 stsp /*
2 72bcf0f9 2018-01-12 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
3 7b19e0f1 2017-11-05 stsp *
4 7b19e0f1 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 7b19e0f1 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 7b19e0f1 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
7 7b19e0f1 2017-11-05 stsp *
8 7b19e0f1 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7b19e0f1 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 7b19e0f1 2017-11-05 stsp */
16 7b19e0f1 2017-11-05 stsp
17 91a3d81f 2018-11-11 stsp #include <sys/queue.h>
18 91a3d81f 2018-11-11 stsp
19 f334529e 2018-01-12 stsp #include <errno.h>
20 7d45c7f1 2019-05-15 stsp #include <limits.h>
21 4cc6a5a5 2020-12-15 stsp #include <stdarg.h>
22 8251fdbc 2018-01-12 stsp #include <stdio.h>
23 f334529e 2018-01-12 stsp #include <stdlib.h>
24 f334529e 2018-01-12 stsp #include <string.h>
25 91a3d81f 2018-11-11 stsp #include <sha1.h>
26 5822e79e 2023-02-23 op #include <sha2.h>
27 91a3d81f 2018-11-11 stsp #include <zlib.h>
28 09589288 2019-03-10 stsp #include <uuid.h>
29 f334529e 2018-01-12 stsp
30 4027f31a 2017-11-04 stsp #include "got_error.h"
31 91a3d81f 2018-11-11 stsp #include "got_object.h"
32 4027f31a 2017-11-04 stsp
33 91a3d81f 2018-11-11 stsp #include "got_lib_delta.h"
34 91a3d81f 2018-11-11 stsp #include "got_lib_inflate.h"
35 91a3d81f 2018-11-11 stsp #include "got_lib_object.h"
36 2f43cd69 2023-04-14 stsp #include "got_lib_hash.h"
37 bbc740ac 2023-02-04 op #include "got_lib_object_parse.h"
38 91a3d81f 2018-11-11 stsp
39 2b4402a2 2017-11-05 stsp #ifndef nitems
40 2b4402a2 2017-11-05 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
41 2b4402a2 2017-11-05 stsp #endif
42 4027f31a 2017-11-04 stsp
43 70cc9832 2022-03-19 naddy static const struct got_error got_errors[] = {
44 70cc9832 2022-03-19 naddy { GOT_ERR_OK, "no error occured?!?" },
45 70cc9832 2022-03-19 naddy { GOT_ERR_ERRNO, "see errno" },
46 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_GIT_REPO, "no git repository found" },
47 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_FILETYPE, "bad file type" },
48 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_PATH, "bad path" },
49 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_REF, "no such reference found" },
50 70cc9832 2022-03-19 naddy { GOT_ERR_IO, "input/output error" },
51 70cc9832 2022-03-19 naddy { GOT_ERR_EOF, "unexpected end of file" },
52 70cc9832 2022-03-19 naddy { GOT_ERR_DECOMPRESSION,"decompression failed" },
53 70cc9832 2022-03-19 naddy { GOT_ERR_NO_SPACE, "buffer too small" },
54 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_OBJ_HDR, "bad object header" },
55 70cc9832 2022-03-19 naddy { GOT_ERR_OBJ_TYPE, "wrong type of object" },
56 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_OBJ_DATA, "bad object data" },
57 70cc9832 2022-03-19 naddy { GOT_ERR_AMBIGUOUS_ID, "ambiguous object ID" },
58 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_PACKIDX, "bad pack index file" },
59 70cc9832 2022-03-19 naddy { GOT_ERR_PACKIDX_CSUM, "pack index file checksum error" },
60 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_PACKFILE, "bad pack file" },
61 70cc9832 2022-03-19 naddy { GOT_ERR_NO_OBJ, "object not found" },
62 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_IMPL, "feature not implemented" },
63 70cc9832 2022-03-19 naddy { GOT_ERR_OBJ_NOT_PACKED,"object is not packed" },
64 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_DELTA_CHAIN,"bad delta chain" },
65 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_DELTA, "bad delta" },
66 70cc9832 2022-03-19 naddy { GOT_ERR_COMPRESSION, "compression failed" },
67 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_OBJ_ID_STR,"bad object id string" },
68 70cc9832 2022-03-19 naddy { GOT_ERR_WORKTREE_EXISTS,"worktree already exists" },
69 70cc9832 2022-03-19 naddy { GOT_ERR_WORKTREE_META,"bad worktree meta data" },
70 70cc9832 2022-03-19 naddy { GOT_ERR_WORKTREE_VERS,"unsupported worktree format version" },
71 70cc9832 2022-03-19 naddy { GOT_ERR_WORKTREE_BUSY,"worktree already locked" },
72 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_OBSTRUCTED,"file is obstructed" },
73 70cc9832 2022-03-19 naddy { GOT_ERR_RECURSION, "recursion limit reached" },
74 70cc9832 2022-03-19 naddy { GOT_ERR_TIMEOUT, "operation timed out" },
75 70cc9832 2022-03-19 naddy { GOT_ERR_INTERRUPT, "operation interrupted" },
76 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_READ, "no data received in imsg" },
77 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_LEN, "unexpected amount of data received in imsg" },
78 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_PIPE, "privsep peer process closed pipe" },
79 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_NO_FD,"privsep file descriptor unavailable" },
80 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_MSG, "received unexpected privsep message" },
81 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_DIED, "unprivileged process died unexpectedly" },
82 70cc9832 2022-03-19 naddy { GOT_ERR_PRIVSEP_EXIT, "bad exit code from unprivileged process" },
83 70cc9832 2022-03-19 naddy { GOT_ERR_PACK_OFFSET, "bad offset in pack file" },
84 70cc9832 2022-03-19 naddy { GOT_ERR_OBJ_EXISTS, "object already exists" },
85 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_OBJ_ID, "bad object id" },
86 70cc9832 2022-03-19 naddy { GOT_ERR_ITER_BUSY, "iteration already in progress" },
87 70cc9832 2022-03-19 naddy { GOT_ERR_ITER_COMPLETED,"iteration completed" },
88 70cc9832 2022-03-19 naddy { GOT_ERR_RANGE, "value out of range" },
89 70cc9832 2022-03-19 naddy { GOT_ERR_EXPECTED, "expected an error but have no error" },
90 70cc9832 2022-03-19 naddy { GOT_ERR_CANCELLED, "operation in progress has been cancelled" },
91 70cc9832 2022-03-19 naddy { GOT_ERR_NO_TREE_ENTRY,"no such entry found in tree" },
92 70cc9832 2022-03-19 naddy { GOT_ERR_FILEIDX_SIG, "bad file index signature" },
93 70cc9832 2022-03-19 naddy { GOT_ERR_FILEIDX_VER, "unknown file index format version" },
94 70cc9832 2022-03-19 naddy { GOT_ERR_FILEIDX_CSUM, "bad file index checksum" },
95 70cc9832 2022-03-19 naddy { GOT_ERR_PATH_PREFIX, "worktree already contains items from a "
96 70cc9832 2022-03-19 naddy "different path prefix" },
97 70cc9832 2022-03-19 naddy { GOT_ERR_ANCESTRY, "target commit is on a different branch" },
98 70cc9832 2022-03-19 naddy { GOT_ERR_FILEIDX_BAD, "file index is corrupt" },
99 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_REF_DATA, "could not parse reference data" },
100 70cc9832 2022-03-19 naddy { GOT_ERR_TREE_DUP_ENTRY,"duplicate entry in tree object" },
101 70cc9832 2022-03-19 naddy { GOT_ERR_DIR_DUP_ENTRY,"duplicate entry in directory" },
102 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_WORKTREE, "no got work tree found" },
103 70cc9832 2022-03-19 naddy { GOT_ERR_UUID_VERSION, "bad uuid version" },
104 70cc9832 2022-03-19 naddy { GOT_ERR_UUID_INVALID, "uuid invalid" },
105 70cc9832 2022-03-19 naddy { GOT_ERR_UUID, "uuid error" },
106 70cc9832 2022-03-19 naddy { GOT_ERR_LOCKFILE_TIMEOUT,"lockfile timeout" },
107 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_REF_NAME, "bad reference name" },
108 70cc9832 2022-03-19 naddy { GOT_ERR_WORKTREE_REPO,"cannot create worktree inside a git repository" },
109 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_MODIFIED,"file contains modifications" },
110 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_STATUS, "file has unexpected status" },
111 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_CONFLICT,"cannot commit file in conflicted status" },
112 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_REF_TYPE, "bad reference type" },
113 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_NO_AUTHOR,"GOT_AUTHOR environment variable is not set" },
114 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_HEAD_CHANGED, "branch head in repository has changed "
115 70cc9832 2022-03-19 naddy "while commit was in progress" },
116 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_OUT_OF_DATE, "work tree must be updated before these "
117 70cc9832 2022-03-19 naddy "changes can be committed" },
118 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_MSG_EMPTY, "commit message cannot be empty" },
119 70cc9832 2022-03-19 naddy { GOT_ERR_DIR_NOT_EMPTY, "directory exists and is not empty" },
120 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_NO_CHANGES, "no changes to commit" },
121 70cc9832 2022-03-19 naddy { GOT_ERR_BRANCH_MOVED, "work tree's head reference now points to a "
122 70cc9832 2022-03-19 naddy "different branch; new head reference and/or update -b required" },
123 70cc9832 2022-03-19 naddy { GOT_ERR_OBJ_TOO_LARGE, "object too large" },
124 70cc9832 2022-03-19 naddy { GOT_ERR_SAME_BRANCH, "commit is already contained in this branch" },
125 70cc9832 2022-03-19 naddy { GOT_ERR_ROOT_COMMIT, "specified commit has no parent commit" },
126 70cc9832 2022-03-19 naddy { GOT_ERR_MIXED_COMMITS,"work tree contains files from multiple "
127 70cc9832 2022-03-19 naddy "base commits; the entire work tree must be updated first" },
128 70cc9832 2022-03-19 naddy { GOT_ERR_CONFLICTS, "work tree contains conflicted files; these "
129 70cc9832 2022-03-19 naddy "conflicts must be resolved first" },
130 70cc9832 2022-03-19 naddy { GOT_ERR_BRANCH_EXISTS,"specified branch already exists" },
131 70cc9832 2022-03-19 naddy { GOT_ERR_MODIFIED, "work tree contains local changes; these "
132 70cc9832 2022-03-19 naddy "changes must be committed or reverted first" },
133 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_REBASING, "rebase operation not in progress" },
134 70cc9832 2022-03-19 naddy { GOT_ERR_REBASE_COMMITID,"rebase commit ID mismatch" },
135 70cc9832 2022-03-19 naddy { GOT_ERR_REBASING, "a rebase operation is in progress in this "
136 70cc9832 2022-03-19 naddy "work tree and must be continued or aborted first" },
137 70cc9832 2022-03-19 naddy { GOT_ERR_REBASE_PATH, "cannot rebase branch which contains "
138 70cc9832 2022-03-19 naddy "changes outside of this work tree's path prefix" },
139 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_HISTEDIT, "histedit operation not in progress" },
140 70cc9832 2022-03-19 naddy { GOT_ERR_EMPTY_HISTEDIT,"no commits to edit; perhaps the work tree "
141 70cc9832 2022-03-19 naddy "must be updated to an older commit first" },
142 70cc9832 2022-03-19 naddy { GOT_ERR_NO_HISTEDIT_CMD,"no histedit commands provided" },
143 70cc9832 2022-03-19 naddy { GOT_ERR_HISTEDIT_SYNTAX,"syntax error in histedit command list" },
144 70cc9832 2022-03-19 naddy { GOT_ERR_HISTEDIT_CANCEL,"histedit operation cancelled" },
145 70cc9832 2022-03-19 naddy { 95, "unused error code" },
146 70cc9832 2022-03-19 naddy { GOT_ERR_HISTEDIT_BUSY,"histedit operation is in progress in this "
147 70cc9832 2022-03-19 naddy "work tree and must be continued or aborted first" },
148 70cc9832 2022-03-19 naddy { GOT_ERR_HISTEDIT_CMD, "bad histedit command" },
149 70cc9832 2022-03-19 naddy { GOT_ERR_HISTEDIT_PATH, "cannot edit branch history which contains "
150 70cc9832 2022-03-19 naddy "changes outside of this work tree's path prefix" },
151 13b2bc37 2022-10-23 stsp { GOT_ERR_PACKFILE_CSUM, "pack file checksum error" },
152 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_BRANCH, "will not commit to a branch outside the "
153 70cc9832 2022-03-19 naddy "\"refs/heads/\" reference namespace" },
154 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_STAGED, "file is staged" },
155 70cc9832 2022-03-19 naddy { GOT_ERR_STAGE_NO_CHANGE, "no changes to stage" },
156 70cc9832 2022-03-19 naddy { GOT_ERR_STAGE_CONFLICT, "cannot stage file in conflicted status" },
157 70cc9832 2022-03-19 naddy { GOT_ERR_STAGE_OUT_OF_DATE, "work tree must be updated before "
158 70cc9832 2022-03-19 naddy "changes can be staged" },
159 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_NOT_STAGED, "file is not staged" },
160 70cc9832 2022-03-19 naddy { GOT_ERR_STAGED_PATHS, "work tree contains files with staged "
161 70cc9832 2022-03-19 naddy "changes; these changes must be committed or unstaged first" },
162 70cc9832 2022-03-19 naddy { GOT_ERR_PATCH_CHOICE, "invalid patch choice" },
163 70cc9832 2022-03-19 naddy { GOT_ERR_COMMIT_NO_EMAIL, "commit author's email address is required "
164 70cc9832 2022-03-19 naddy "for compatibility with Git" },
165 70cc9832 2022-03-19 naddy { GOT_ERR_TAG_EXISTS,"specified tag already exists" },
166 70cc9832 2022-03-19 naddy { GOT_ERR_GIT_REPO_FORMAT,"unknown git repository format version" },
167 70cc9832 2022-03-19 naddy { GOT_ERR_REBASE_REQUIRED,"specified branch must be rebased first" },
168 70cc9832 2022-03-19 naddy { GOT_ERR_REGEX, "regular expression error" },
169 70cc9832 2022-03-19 naddy { GOT_ERR_REF_NAME_MINUS, "reference name may not start with '-'" },
170 70cc9832 2022-03-19 naddy { GOT_ERR_GITCONFIG_SYNTAX, "gitconfig syntax error" },
171 70cc9832 2022-03-19 naddy { GOT_ERR_REBASE_OUT_OF_DATE, "work tree must be updated before it "
172 70cc9832 2022-03-19 naddy "can be used to rebase a branch" },
173 70cc9832 2022-03-19 naddy { GOT_ERR_CACHE_DUP_ENTRY, "duplicate cache entry" },
174 70cc9832 2022-03-19 naddy { GOT_ERR_QUERYSTRING, "bad querystring" },
175 70cc9832 2022-03-19 naddy { GOT_ERR_FETCH_FAILED, "fetch failed" },
176 70cc9832 2022-03-19 naddy { GOT_ERR_PARSE_URI, "failed to parse uri" },
177 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_PROTO, "unknown protocol" },
178 70cc9832 2022-03-19 naddy { GOT_ERR_ADDRINFO, "getaddrinfo failed" },
179 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_PACKET, "bad packet received" },
180 70cc9832 2022-03-19 naddy { GOT_ERR_NO_REMOTE, "remote repository not found" },
181 70cc9832 2022-03-19 naddy { GOT_ERR_FETCH_NO_BRANCH, "could not find any branches to fetch" },
182 70cc9832 2022-03-19 naddy { GOT_ERR_FETCH_BAD_REF, "reference cannot be fetched" },
183 70cc9832 2022-03-19 naddy { GOT_ERR_TREE_ENTRY_TYPE, "unexpected tree entry type" },
184 70cc9832 2022-03-19 naddy { GOT_ERR_PARSE_CONFIG, "configuration file syntax error" },
185 70cc9832 2022-03-19 naddy { GOT_ERR_NO_CONFIG_FILE, "configuration file doesn't exit" },
186 70cc9832 2022-03-19 naddy { GOT_ERR_BAD_SYMLINK, "symbolic link points outside of paths under "
187 70cc9832 2022-03-19 naddy "version control" },
188 70cc9832 2022-03-19 naddy { GOT_ERR_GIT_REPO_EXT, "unsupported repository format extension" },
189 70cc9832 2022-03-19 naddy { GOT_ERR_CANNOT_PACK, "not enough objects to pack" },
190 70cc9832 2022-03-19 naddy { GOT_ERR_LONELY_PACKIDX, "pack index has no corresponding pack file; "
191 70cc9832 2022-03-19 naddy "pack file must be restored or 'gotadmin cleanup -p' must be run" },
192 70cc9832 2022-03-19 naddy { GOT_ERR_OBJ_CSUM, "bad object checksum" },
193 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_BAD_REF, "reference cannot be sent" },
194 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_FAILED, "could not send pack file" },
195 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_EMPTY, "no references to send" },
196 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_ANCESTRY, "fetch and rebase required" },
197 70cc9832 2022-03-19 naddy { GOT_ERR_CAPA_DELETE_REFS, "server cannot delete references" },
198 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_DELETE_REF, "reference cannot be deleted" },
199 70cc9832 2022-03-19 naddy { GOT_ERR_SEND_TAG_EXISTS, "tag already exists on server" },
200 70cc9832 2022-03-19 naddy { GOT_ERR_NOT_MERGING, "merge operation not in progress" },
201 70cc9832 2022-03-19 naddy { GOT_ERR_MERGE_OUT_OF_DATE, "work tree must be updated before it "
202 70cc9832 2022-03-19 naddy "can be used to merge a branch" },
203 70cc9832 2022-03-19 naddy { GOT_ERR_MERGE_STAGED_PATHS, "work tree contains files with staged "
204 70cc9832 2022-03-19 naddy "changes; these changes must be unstaged before merging can "
205 70cc9832 2022-03-19 naddy "proceed" },
206 70cc9832 2022-03-19 naddy { GOT_ERR_MERGE_BUSY,"a merge operation is in progress in this "
207 70cc9832 2022-03-19 naddy "work tree and must be continued or aborted first" },
208 70cc9832 2022-03-19 naddy { GOT_ERR_MERGE_PATH, "cannot merge branch which contains "
209 70cc9832 2022-03-19 naddy "changes outside of this work tree's path prefix" },
210 70cc9832 2022-03-19 naddy { GOT_ERR_FILE_BINARY, "found a binary file instead of text" },
211 70cc9832 2022-03-19 naddy { GOT_ERR_PATCH_MALFORMED, "malformed patch" },
212 70cc9832 2022-03-19 naddy { GOT_ERR_PATCH_TRUNCATED, "patch truncated" },
213 70cc9832 2022-03-19 naddy { GOT_ERR_NO_PATCH, "no patch found" },
214 70cc9832 2022-03-19 naddy { GOT_ERR_HUNK_FAILED, "hunk failed to apply" },
215 70cc9832 2022-03-19 naddy { GOT_ERR_PATCH_FAILED, "patch failed to apply" },
216 a7472cb3 2022-04-14 stsp { GOT_ERR_FILEIDX_DUP_ENTRY, "duplicate file index entry" },
217 61af9b21 2022-06-28 stsp { GOT_ERR_PIN_PACK, "could not pin pack file" },
218 4d5ee956 2022-07-02 jrick { GOT_ERR_BAD_TAG_SIGNATURE, "invalid tag signature" },
219 4d5ee956 2022-07-02 jrick { GOT_ERR_VERIFY_TAG_SIGNATURE, "cannot verify signature" },
220 91d845ad 2022-07-03 jrick { GOT_ERR_SIGNING_TAG, "unable to sign tag" },
221 58381f70 2022-09-03 op { GOT_ERR_BAD_QUERYSTRING, "invalid query string" },
222 e02b422b 2022-09-27 jrick { GOT_ERR_INTEGRATE_BRANCH, "will not integrate into a reference "
223 e02b422b 2022-09-27 jrick "outside the \"refs/heads/\" reference namespace" },
224 13b2bc37 2022-10-23 stsp { GOT_ERR_BAD_REQUEST, "unexpected request received" },
225 13b2bc37 2022-10-23 stsp { GOT_ERR_CLIENT_ID, "unknown client identifier" },
226 13b2bc37 2022-10-23 stsp { GOT_ERR_REPO_TEMPFILE, "no repository tempfile available" },
227 9afa3de2 2023-04-04 stsp { GOT_ERR_REFS_PROTECTED, "reference namespace is protected" },
228 9afa3de2 2023-04-04 stsp { GOT_ERR_REF_PROTECTED, "reference is protected" },
229 13b2bc37 2022-10-23 stsp { GOT_ERR_REF_BUSY, "reference cannot be updated; please try again" },
230 21f07726 2022-10-31 stsp { GOT_ERR_COMMIT_BAD_AUTHOR, "commit author formatting would "
231 21f07726 2022-10-31 stsp "make Git unhappy" },
232 365cf0f3 2022-12-29 stsp { GOT_ERR_UID, "bad user ID" },
233 365cf0f3 2022-12-29 stsp { GOT_ERR_GID, "bad group ID" },
234 6c5befc7 2023-03-28 stsp { GOT_ERR_NO_PROG, "command not found or not accessible" },
235 6b5246e4 2023-06-05 stsp { GOT_ERR_MERGE_COMMIT_OUT_OF_DATE, "merging cannot proceed because "
236 6b5246e4 2023-06-05 stsp "the work tree is no longer up-to-date; merge must be aborted "
237 6b5246e4 2023-06-05 stsp "and retried" },
238 70cc9832 2022-03-19 naddy };
239 70cc9832 2022-03-19 naddy
240 c884fd0a 2020-12-21 stsp static struct got_custom_error {
241 c884fd0a 2020-12-21 stsp struct got_error err;
242 13b2bc37 2022-10-23 stsp char msg[GOT_ERR_MAX_MSG_SIZE];
243 c884fd0a 2020-12-21 stsp } custom_errors[16];
244 c884fd0a 2020-12-21 stsp
245 c884fd0a 2020-12-21 stsp static struct got_custom_error *
246 c884fd0a 2020-12-21 stsp get_custom_err(void)
247 c884fd0a 2020-12-21 stsp {
248 c884fd0a 2020-12-21 stsp static unsigned int idx;
249 c884fd0a 2020-12-21 stsp return &custom_errors[(idx++) % nitems(custom_errors)];
250 c884fd0a 2020-12-21 stsp }
251 c884fd0a 2020-12-21 stsp
252 4027f31a 2017-11-04 stsp const struct got_error *
253 4027f31a 2017-11-04 stsp got_error(int code)
254 4027f31a 2017-11-04 stsp {
255 16aeacf7 2020-11-26 stsp size_t i;
256 4027f31a 2017-11-04 stsp
257 4027f31a 2017-11-04 stsp for (i = 0; i < nitems(got_errors); i++) {
258 4027f31a 2017-11-04 stsp if (code == got_errors[i].code)
259 4027f31a 2017-11-04 stsp return &got_errors[i];
260 4027f31a 2017-11-04 stsp }
261 4027f31a 2017-11-04 stsp
262 f334529e 2018-01-12 stsp abort();
263 4027f31a 2017-11-04 stsp }
264 f334529e 2018-01-12 stsp
265 f334529e 2018-01-12 stsp const struct got_error *
266 91a3d81f 2018-11-11 stsp got_error_msg(int code, const char *msg)
267 91a3d81f 2018-11-11 stsp {
268 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
269 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
270 16aeacf7 2020-11-26 stsp size_t i;
271 91a3d81f 2018-11-11 stsp
272 91a3d81f 2018-11-11 stsp for (i = 0; i < nitems(got_errors); i++) {
273 91a3d81f 2018-11-11 stsp if (code == got_errors[i].code) {
274 c884fd0a 2020-12-21 stsp err->code = code;
275 c884fd0a 2020-12-21 stsp strlcpy(cerr->msg, msg, sizeof(cerr->msg));
276 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
277 c884fd0a 2020-12-21 stsp return err;
278 91a3d81f 2018-11-11 stsp }
279 91a3d81f 2018-11-11 stsp }
280 91a3d81f 2018-11-11 stsp
281 91a3d81f 2018-11-11 stsp abort();
282 91a3d81f 2018-11-11 stsp }
283 91a3d81f 2018-11-11 stsp
284 91a3d81f 2018-11-11 stsp const struct got_error *
285 638f9024 2019-05-13 stsp got_error_from_errno(const char *prefix)
286 f334529e 2018-01-12 stsp {
287 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
288 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
289 9a02f8b7 2020-12-21 stsp char strerr[128];
290 f334529e 2018-01-12 stsp
291 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
292 9a02f8b7 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", prefix, strerr);
293 230a42bd 2019-05-11 jcs
294 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
295 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
296 c884fd0a 2020-12-21 stsp return err;
297 f334529e 2018-01-12 stsp }
298 8251fdbc 2018-01-12 stsp
299 8251fdbc 2018-01-12 stsp const struct got_error *
300 638f9024 2019-05-13 stsp got_error_from_errno2(const char *prefix, const char *prefix2)
301 48b8b0eb 2019-05-11 jcs {
302 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
303 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
304 9a02f8b7 2020-12-21 stsp char strerr[128];
305 48b8b0eb 2019-05-11 jcs
306 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
307 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s: %s", prefix, prefix2,
308 9a02f8b7 2020-12-21 stsp strerr);
309 48b8b0eb 2019-05-11 jcs
310 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
311 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
312 c884fd0a 2020-12-21 stsp return err;
313 48b8b0eb 2019-05-11 jcs }
314 48b8b0eb 2019-05-11 jcs
315 48b8b0eb 2019-05-11 jcs const struct got_error *
316 638f9024 2019-05-13 stsp got_error_from_errno3(const char *prefix, const char *prefix2,
317 230a42bd 2019-05-11 jcs const char *prefix3)
318 230a42bd 2019-05-11 jcs {
319 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
320 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
321 9a02f8b7 2020-12-21 stsp char strerr[128];
322 230a42bd 2019-05-11 jcs
323 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
324 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s: %s: %s", prefix,
325 9a02f8b7 2020-12-21 stsp prefix2, prefix3, strerr);
326 230a42bd 2019-05-11 jcs
327 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
328 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
329 c884fd0a 2020-12-21 stsp return err;
330 230a42bd 2019-05-11 jcs }
331 230a42bd 2019-05-11 jcs
332 230a42bd 2019-05-11 jcs const struct got_error *
333 4cc6a5a5 2020-12-15 stsp got_error_from_errno_fmt(const char *fmt, ...)
334 4cc6a5a5 2020-12-15 stsp {
335 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
336 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
337 4cc6a5a5 2020-12-15 stsp char buf[PATH_MAX * 4];
338 9a02f8b7 2020-12-21 stsp char strerr[128];
339 4cc6a5a5 2020-12-15 stsp va_list ap;
340 4cc6a5a5 2020-12-15 stsp
341 4cc6a5a5 2020-12-15 stsp va_start(ap, fmt);
342 4cc6a5a5 2020-12-15 stsp vsnprintf(buf, sizeof(buf), fmt, ap);
343 4cc6a5a5 2020-12-15 stsp va_end(ap);
344 4cc6a5a5 2020-12-15 stsp
345 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
346 9a02f8b7 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", buf, strerr);
347 4cc6a5a5 2020-12-15 stsp
348 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
349 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
350 c884fd0a 2020-12-21 stsp return err;
351 4cc6a5a5 2020-12-15 stsp }
352 4cc6a5a5 2020-12-15 stsp
353 4cc6a5a5 2020-12-15 stsp const struct got_error *
354 2af4a041 2019-05-11 jcs got_error_set_errno(int code, const char *prefix)
355 1a76625f 2018-10-22 stsp {
356 1a76625f 2018-10-22 stsp errno = code;
357 638f9024 2019-05-13 stsp return got_error_from_errno(prefix);
358 1a76625f 2018-10-22 stsp }
359 1a76625f 2018-10-22 stsp
360 1a76625f 2018-10-22 stsp const struct got_error *
361 8251fdbc 2018-01-12 stsp got_ferror(FILE *f, int code)
362 8251fdbc 2018-01-12 stsp {
363 8251fdbc 2018-01-12 stsp if (ferror(f))
364 638f9024 2019-05-13 stsp return got_error_from_errno("");
365 8251fdbc 2018-01-12 stsp return got_error(code);
366 8251fdbc 2018-01-12 stsp }
367 91a3d81f 2018-11-11 stsp
368 91a3d81f 2018-11-11 stsp const struct got_error *
369 91a3d81f 2018-11-11 stsp got_error_no_obj(struct got_object_id *id)
370 91a3d81f 2018-11-11 stsp {
371 bbc740ac 2023-02-04 op char id_str[GOT_OBJECT_ID_HEX_MAXLEN];
372 bbc740ac 2023-02-04 op char msg[sizeof("object not found") + sizeof(id_str)];
373 91a3d81f 2018-11-11 stsp int ret;
374 91a3d81f 2018-11-11 stsp
375 bbc740ac 2023-02-04 op if (!got_object_id_hex(id, id_str, sizeof(id_str)))
376 91a3d81f 2018-11-11 stsp return got_error(GOT_ERR_NO_OBJ);
377 91a3d81f 2018-11-11 stsp
378 91a3d81f 2018-11-11 stsp ret = snprintf(msg, sizeof(msg), "object %s not found", id_str);
379 438d0cc3 2022-08-16 op if (ret < 0 || (size_t)ret >= sizeof(msg))
380 91a3d81f 2018-11-11 stsp return got_error(GOT_ERR_NO_OBJ);
381 91a3d81f 2018-11-11 stsp
382 91a3d81f 2018-11-11 stsp return got_error_msg(GOT_ERR_NO_OBJ, msg);
383 3c23f6cd 2023-02-04 op }
384 3c23f6cd 2023-02-04 op
385 3c23f6cd 2023-02-04 op const struct got_error *
386 3c23f6cd 2023-02-04 op got_error_checksum(struct got_object_id *id)
387 3c23f6cd 2023-02-04 op {
388 3c23f6cd 2023-02-04 op char id_str[GOT_OBJECT_ID_HEX_MAXLEN];
389 3c23f6cd 2023-02-04 op char msg[sizeof("checksum failure for object ") + sizeof(id_str)];
390 3c23f6cd 2023-02-04 op int ret;
391 3c23f6cd 2023-02-04 op
392 3c23f6cd 2023-02-04 op if (!got_object_id_hex(id, id_str, sizeof(id_str)))
393 3c23f6cd 2023-02-04 op return got_error(GOT_ERR_OBJ_CSUM);
394 3c23f6cd 2023-02-04 op
395 3c23f6cd 2023-02-04 op ret = snprintf(msg, sizeof(msg), "checksum failure for object %s",
396 3c23f6cd 2023-02-04 op id_str);
397 3c23f6cd 2023-02-04 op if (ret < 0 || (size_t)ret >= sizeof(msg))
398 3c23f6cd 2023-02-04 op return got_error(GOT_ERR_OBJ_CSUM);
399 3c23f6cd 2023-02-04 op
400 3c23f6cd 2023-02-04 op return got_error_msg(GOT_ERR_OBJ_CSUM, msg);
401 91a3d81f 2018-11-11 stsp }
402 2aa0475c 2019-02-03 stsp
403 2aa0475c 2019-02-03 stsp const struct got_error *
404 2aa0475c 2019-02-03 stsp got_error_not_ref(const char *refname)
405 2aa0475c 2019-02-03 stsp {
406 c884fd0a 2020-12-21 stsp char msg[sizeof("reference not found") + 1004];
407 2aa0475c 2019-02-03 stsp int ret;
408 2aa0475c 2019-02-03 stsp
409 2aa0475c 2019-02-03 stsp ret = snprintf(msg, sizeof(msg), "reference %s not found", refname);
410 438d0cc3 2022-08-16 op if (ret < 0 || (size_t)ret >= sizeof(msg))
411 2aa0475c 2019-02-03 stsp return got_error(GOT_ERR_NOT_REF);
412 2aa0475c 2019-02-03 stsp
413 2aa0475c 2019-02-03 stsp return got_error_msg(GOT_ERR_NOT_REF, msg);
414 2aa0475c 2019-02-03 stsp }
415 09589288 2019-03-10 stsp
416 09589288 2019-03-10 stsp const struct got_error *
417 cc483380 2019-09-01 stsp got_error_uuid(uint32_t uuid_status, const char *prefix)
418 09589288 2019-03-10 stsp {
419 09589288 2019-03-10 stsp switch (uuid_status) {
420 09589288 2019-03-10 stsp case uuid_s_ok:
421 09589288 2019-03-10 stsp return NULL;
422 09589288 2019-03-10 stsp case uuid_s_bad_version:
423 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID_VERSION);
424 09589288 2019-03-10 stsp case uuid_s_invalid_string_uuid:
425 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID_INVALID);
426 09589288 2019-03-10 stsp case uuid_s_no_memory:
427 cc483380 2019-09-01 stsp return got_error_set_errno(ENOMEM, prefix);
428 09589288 2019-03-10 stsp default:
429 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID);
430 09589288 2019-03-10 stsp }
431 09589288 2019-03-10 stsp }
432 df056ada 2019-05-15 stsp
433 df056ada 2019-05-15 stsp const struct got_error *
434 df056ada 2019-05-15 stsp got_error_path(const char *path, int code)
435 df056ada 2019-05-15 stsp {
436 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
437 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
438 16aeacf7 2020-11-26 stsp size_t i;
439 df056ada 2019-05-15 stsp
440 df056ada 2019-05-15 stsp for (i = 0; i < nitems(got_errors); i++) {
441 df056ada 2019-05-15 stsp if (code == got_errors[i].code) {
442 c884fd0a 2020-12-21 stsp err->code = code;
443 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", path,
444 df056ada 2019-05-15 stsp got_errors[i].msg);
445 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
446 c884fd0a 2020-12-21 stsp return err;
447 df056ada 2019-05-15 stsp }
448 df056ada 2019-05-15 stsp }
449 df056ada 2019-05-15 stsp
450 df056ada 2019-05-15 stsp abort();
451 df056ada 2019-05-15 stsp }
452 73e7eb7d 2020-12-15 stsp
453 73e7eb7d 2020-12-15 stsp const struct got_error *
454 73e7eb7d 2020-12-15 stsp got_error_fmt(int code, const char *fmt, ...)
455 73e7eb7d 2020-12-15 stsp {
456 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
457 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
458 73e7eb7d 2020-12-15 stsp char buf[PATH_MAX * 4];
459 73e7eb7d 2020-12-15 stsp va_list ap;
460 73e7eb7d 2020-12-15 stsp size_t i;
461 73e7eb7d 2020-12-15 stsp
462 73e7eb7d 2020-12-15 stsp va_start(ap, fmt);
463 73e7eb7d 2020-12-15 stsp vsnprintf(buf, sizeof(buf), fmt, ap);
464 73e7eb7d 2020-12-15 stsp va_end(ap);
465 73e7eb7d 2020-12-15 stsp
466 73e7eb7d 2020-12-15 stsp for (i = 0; i < nitems(got_errors); i++) {
467 73e7eb7d 2020-12-15 stsp if (code == got_errors[i].code) {
468 c884fd0a 2020-12-21 stsp err->code = code;
469 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", buf,
470 73e7eb7d 2020-12-15 stsp got_errors[i].msg);
471 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
472 c884fd0a 2020-12-21 stsp return err;
473 73e7eb7d 2020-12-15 stsp }
474 73e7eb7d 2020-12-15 stsp }
475 73e7eb7d 2020-12-15 stsp
476 73e7eb7d 2020-12-15 stsp abort();
477 73e7eb7d 2020-12-15 stsp }
478 5c02d2a5 2021-09-26 stsp
479 5c02d2a5 2021-09-26 stsp int
480 5c02d2a5 2021-09-26 stsp got_err_open_nofollow_on_symlink(void)
481 5c02d2a5 2021-09-26 stsp {
482 5c02d2a5 2021-09-26 stsp /*
483 5c02d2a5 2021-09-26 stsp * Check whether open(2) with O_NOFOLLOW failed on a symlink.
484 5c02d2a5 2021-09-26 stsp * Posix mandates ELOOP and OpenBSD follows it. Others return
485 5c02d2a5 2021-09-26 stsp * different error codes. We carry this workaround to help the
486 5c02d2a5 2021-09-26 stsp * portable version a little.
487 5c02d2a5 2021-09-26 stsp */
488 5c02d2a5 2021-09-26 stsp return (errno == ELOOP
489 5c02d2a5 2021-09-26 stsp #ifdef EMLINK
490 5c02d2a5 2021-09-26 stsp || errno == EMLINK
491 5c02d2a5 2021-09-26 stsp #endif
492 5c02d2a5 2021-09-26 stsp #ifdef EFTYPE
493 5c02d2a5 2021-09-26 stsp || errno == EFTYPE
494 5c02d2a5 2021-09-26 stsp #endif
495 5c02d2a5 2021-09-26 stsp );
496 5c02d2a5 2021-09-26 stsp }