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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 8b925c6c 2022-07-16 thomas #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 <zlib.h>
26 f334529e 2018-01-12 stsp
27 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
28 dd038bc6 2021-09-21 thomas.ad
29 4027f31a 2017-11-04 stsp #include "got_error.h"
30 91a3d81f 2018-11-11 stsp #include "got_object.h"
31 4027f31a 2017-11-04 stsp
32 91a3d81f 2018-11-11 stsp #include "got_lib_delta.h"
33 91a3d81f 2018-11-11 stsp #include "got_lib_inflate.h"
34 91a3d81f 2018-11-11 stsp #include "got_lib_object.h"
35 01986ce9 2023-02-07 thomas #include "got_lib_object_parse.h"
36 91a3d81f 2018-11-11 stsp
37 2b4402a2 2017-11-05 stsp #ifndef nitems
38 2b4402a2 2017-11-05 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
39 f0678b77 2021-09-21 thomas.ad #endif
40 f0678b77 2021-09-21 thomas.ad
41 f0678b77 2021-09-21 thomas.ad #if defined(__GLIBC__)
42 f0678b77 2021-09-21 thomas.ad /*
43 f0678b77 2021-09-21 thomas.ad * The autoconf test for strerror_r is broken in current versions
44 f0678b77 2021-09-21 thomas.ad * of autoconf: https://savannah.gnu.org/support/?110367
45 f0678b77 2021-09-21 thomas.ad */
46 04cea798 2023-01-06 thomas char *__xpg_strerror_r(int, char *, size_t);
47 f0678b77 2021-09-21 thomas.ad #define strerror_r __xpg_strerror_r
48 2b4402a2 2017-11-05 stsp #endif
49 4027f31a 2017-11-04 stsp
50 0349119b 2022-03-22 thomas static const struct got_error got_errors[] = {
51 0349119b 2022-03-22 thomas { GOT_ERR_OK, "no error occured?!?" },
52 0349119b 2022-03-22 thomas { GOT_ERR_ERRNO, "see errno" },
53 0349119b 2022-03-22 thomas { GOT_ERR_NOT_GIT_REPO, "no git repository found" },
54 0349119b 2022-03-22 thomas { GOT_ERR_BAD_FILETYPE, "bad file type" },
55 0349119b 2022-03-22 thomas { GOT_ERR_BAD_PATH, "bad path" },
56 0349119b 2022-03-22 thomas { GOT_ERR_NOT_REF, "no such reference found" },
57 0349119b 2022-03-22 thomas { GOT_ERR_IO, "input/output error" },
58 0349119b 2022-03-22 thomas { GOT_ERR_EOF, "unexpected end of file" },
59 0349119b 2022-03-22 thomas { GOT_ERR_DECOMPRESSION,"decompression failed" },
60 0349119b 2022-03-22 thomas { GOT_ERR_NO_SPACE, "buffer too small" },
61 0349119b 2022-03-22 thomas { GOT_ERR_BAD_OBJ_HDR, "bad object header" },
62 0349119b 2022-03-22 thomas { GOT_ERR_OBJ_TYPE, "wrong type of object" },
63 0349119b 2022-03-22 thomas { GOT_ERR_BAD_OBJ_DATA, "bad object data" },
64 0349119b 2022-03-22 thomas { GOT_ERR_AMBIGUOUS_ID, "ambiguous object ID" },
65 0349119b 2022-03-22 thomas { GOT_ERR_BAD_PACKIDX, "bad pack index file" },
66 0349119b 2022-03-22 thomas { GOT_ERR_PACKIDX_CSUM, "pack index file checksum error" },
67 0349119b 2022-03-22 thomas { GOT_ERR_BAD_PACKFILE, "bad pack file" },
68 0349119b 2022-03-22 thomas { GOT_ERR_NO_OBJ, "object not found" },
69 0349119b 2022-03-22 thomas { GOT_ERR_NOT_IMPL, "feature not implemented" },
70 0349119b 2022-03-22 thomas { GOT_ERR_OBJ_NOT_PACKED,"object is not packed" },
71 0349119b 2022-03-22 thomas { GOT_ERR_BAD_DELTA_CHAIN,"bad delta chain" },
72 0349119b 2022-03-22 thomas { GOT_ERR_BAD_DELTA, "bad delta" },
73 0349119b 2022-03-22 thomas { GOT_ERR_COMPRESSION, "compression failed" },
74 0349119b 2022-03-22 thomas { GOT_ERR_BAD_OBJ_ID_STR,"bad object id string" },
75 0349119b 2022-03-22 thomas { GOT_ERR_WORKTREE_EXISTS,"worktree already exists" },
76 0349119b 2022-03-22 thomas { GOT_ERR_WORKTREE_META,"bad worktree meta data" },
77 0349119b 2022-03-22 thomas { GOT_ERR_WORKTREE_VERS,"unsupported worktree format version" },
78 0349119b 2022-03-22 thomas { GOT_ERR_WORKTREE_BUSY,"worktree already locked" },
79 0349119b 2022-03-22 thomas { GOT_ERR_FILE_OBSTRUCTED,"file is obstructed" },
80 0349119b 2022-03-22 thomas { GOT_ERR_RECURSION, "recursion limit reached" },
81 0349119b 2022-03-22 thomas { GOT_ERR_TIMEOUT, "operation timed out" },
82 0349119b 2022-03-22 thomas { GOT_ERR_INTERRUPT, "operation interrupted" },
83 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_READ, "no data received in imsg" },
84 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_LEN, "unexpected amount of data received in imsg" },
85 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_PIPE, "privsep peer process closed pipe" },
86 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_NO_FD,"privsep file descriptor unavailable" },
87 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_MSG, "received unexpected privsep message" },
88 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_DIED, "unprivileged process died unexpectedly" },
89 0349119b 2022-03-22 thomas { GOT_ERR_PRIVSEP_EXIT, "bad exit code from unprivileged process" },
90 0349119b 2022-03-22 thomas { GOT_ERR_PACK_OFFSET, "bad offset in pack file" },
91 0349119b 2022-03-22 thomas { GOT_ERR_OBJ_EXISTS, "object already exists" },
92 0349119b 2022-03-22 thomas { GOT_ERR_BAD_OBJ_ID, "bad object id" },
93 0349119b 2022-03-22 thomas { GOT_ERR_ITER_BUSY, "iteration already in progress" },
94 0349119b 2022-03-22 thomas { GOT_ERR_ITER_COMPLETED,"iteration completed" },
95 0349119b 2022-03-22 thomas { GOT_ERR_RANGE, "value out of range" },
96 0349119b 2022-03-22 thomas { GOT_ERR_EXPECTED, "expected an error but have no error" },
97 0349119b 2022-03-22 thomas { GOT_ERR_CANCELLED, "operation in progress has been cancelled" },
98 0349119b 2022-03-22 thomas { GOT_ERR_NO_TREE_ENTRY,"no such entry found in tree" },
99 0349119b 2022-03-22 thomas { GOT_ERR_FILEIDX_SIG, "bad file index signature" },
100 0349119b 2022-03-22 thomas { GOT_ERR_FILEIDX_VER, "unknown file index format version" },
101 0349119b 2022-03-22 thomas { GOT_ERR_FILEIDX_CSUM, "bad file index checksum" },
102 0349119b 2022-03-22 thomas { GOT_ERR_PATH_PREFIX, "worktree already contains items from a "
103 0349119b 2022-03-22 thomas "different path prefix" },
104 0349119b 2022-03-22 thomas { GOT_ERR_ANCESTRY, "target commit is on a different branch" },
105 0349119b 2022-03-22 thomas { GOT_ERR_FILEIDX_BAD, "file index is corrupt" },
106 0349119b 2022-03-22 thomas { GOT_ERR_BAD_REF_DATA, "could not parse reference data" },
107 0349119b 2022-03-22 thomas { GOT_ERR_TREE_DUP_ENTRY,"duplicate entry in tree object" },
108 0349119b 2022-03-22 thomas { GOT_ERR_DIR_DUP_ENTRY,"duplicate entry in directory" },
109 0349119b 2022-03-22 thomas { GOT_ERR_NOT_WORKTREE, "no got work tree found" },
110 0349119b 2022-03-22 thomas { GOT_ERR_UUID_VERSION, "bad uuid version" },
111 0349119b 2022-03-22 thomas { GOT_ERR_UUID_INVALID, "uuid invalid" },
112 0349119b 2022-03-22 thomas { GOT_ERR_UUID, "uuid error" },
113 0349119b 2022-03-22 thomas { GOT_ERR_LOCKFILE_TIMEOUT,"lockfile timeout" },
114 0349119b 2022-03-22 thomas { GOT_ERR_BAD_REF_NAME, "bad reference name" },
115 0349119b 2022-03-22 thomas { GOT_ERR_WORKTREE_REPO,"cannot create worktree inside a git repository" },
116 0349119b 2022-03-22 thomas { GOT_ERR_FILE_MODIFIED,"file contains modifications" },
117 0349119b 2022-03-22 thomas { GOT_ERR_FILE_STATUS, "file has unexpected status" },
118 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_CONFLICT,"cannot commit file in conflicted status" },
119 0349119b 2022-03-22 thomas { GOT_ERR_BAD_REF_TYPE, "bad reference type" },
120 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_NO_AUTHOR,"GOT_AUTHOR environment variable is not set" },
121 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_HEAD_CHANGED, "branch head in repository has changed "
122 0349119b 2022-03-22 thomas "while commit was in progress" },
123 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_OUT_OF_DATE, "work tree must be updated before these "
124 0349119b 2022-03-22 thomas "changes can be committed" },
125 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_MSG_EMPTY, "commit message cannot be empty" },
126 0349119b 2022-03-22 thomas { GOT_ERR_DIR_NOT_EMPTY, "directory exists and is not empty" },
127 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_NO_CHANGES, "no changes to commit" },
128 0349119b 2022-03-22 thomas { GOT_ERR_BRANCH_MOVED, "work tree's head reference now points to a "
129 0349119b 2022-03-22 thomas "different branch; new head reference and/or update -b required" },
130 0349119b 2022-03-22 thomas { GOT_ERR_OBJ_TOO_LARGE, "object too large" },
131 0349119b 2022-03-22 thomas { GOT_ERR_SAME_BRANCH, "commit is already contained in this branch" },
132 0349119b 2022-03-22 thomas { GOT_ERR_ROOT_COMMIT, "specified commit has no parent commit" },
133 0349119b 2022-03-22 thomas { GOT_ERR_MIXED_COMMITS,"work tree contains files from multiple "
134 0349119b 2022-03-22 thomas "base commits; the entire work tree must be updated first" },
135 0349119b 2022-03-22 thomas { GOT_ERR_CONFLICTS, "work tree contains conflicted files; these "
136 0349119b 2022-03-22 thomas "conflicts must be resolved first" },
137 0349119b 2022-03-22 thomas { GOT_ERR_BRANCH_EXISTS,"specified branch already exists" },
138 0349119b 2022-03-22 thomas { GOT_ERR_MODIFIED, "work tree contains local changes; these "
139 0349119b 2022-03-22 thomas "changes must be committed or reverted first" },
140 0349119b 2022-03-22 thomas { GOT_ERR_NOT_REBASING, "rebase operation not in progress" },
141 0349119b 2022-03-22 thomas { GOT_ERR_REBASE_COMMITID,"rebase commit ID mismatch" },
142 0349119b 2022-03-22 thomas { GOT_ERR_REBASING, "a rebase operation is in progress in this "
143 0349119b 2022-03-22 thomas "work tree and must be continued or aborted first" },
144 0349119b 2022-03-22 thomas { GOT_ERR_REBASE_PATH, "cannot rebase branch which contains "
145 0349119b 2022-03-22 thomas "changes outside of this work tree's path prefix" },
146 0349119b 2022-03-22 thomas { GOT_ERR_NOT_HISTEDIT, "histedit operation not in progress" },
147 0349119b 2022-03-22 thomas { GOT_ERR_EMPTY_HISTEDIT,"no commits to edit; perhaps the work tree "
148 0349119b 2022-03-22 thomas "must be updated to an older commit first" },
149 0349119b 2022-03-22 thomas { GOT_ERR_NO_HISTEDIT_CMD,"no histedit commands provided" },
150 0349119b 2022-03-22 thomas { GOT_ERR_HISTEDIT_SYNTAX,"syntax error in histedit command list" },
151 0349119b 2022-03-22 thomas { GOT_ERR_HISTEDIT_CANCEL,"histedit operation cancelled" },
152 0349119b 2022-03-22 thomas { 95, "unused error code" },
153 0349119b 2022-03-22 thomas { GOT_ERR_HISTEDIT_BUSY,"histedit operation is in progress in this "
154 0349119b 2022-03-22 thomas "work tree and must be continued or aborted first" },
155 0349119b 2022-03-22 thomas { GOT_ERR_HISTEDIT_CMD, "bad histedit command" },
156 0349119b 2022-03-22 thomas { GOT_ERR_HISTEDIT_PATH, "cannot edit branch history which contains "
157 0349119b 2022-03-22 thomas "changes outside of this work tree's path prefix" },
158 3efd8e31 2022-10-23 thomas { GOT_ERR_PACKFILE_CSUM, "pack file checksum error" },
159 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_BRANCH, "will not commit to a branch outside the "
160 0349119b 2022-03-22 thomas "\"refs/heads/\" reference namespace" },
161 0349119b 2022-03-22 thomas { GOT_ERR_FILE_STAGED, "file is staged" },
162 0349119b 2022-03-22 thomas { GOT_ERR_STAGE_NO_CHANGE, "no changes to stage" },
163 0349119b 2022-03-22 thomas { GOT_ERR_STAGE_CONFLICT, "cannot stage file in conflicted status" },
164 0349119b 2022-03-22 thomas { GOT_ERR_STAGE_OUT_OF_DATE, "work tree must be updated before "
165 0349119b 2022-03-22 thomas "changes can be staged" },
166 0349119b 2022-03-22 thomas { GOT_ERR_FILE_NOT_STAGED, "file is not staged" },
167 0349119b 2022-03-22 thomas { GOT_ERR_STAGED_PATHS, "work tree contains files with staged "
168 0349119b 2022-03-22 thomas "changes; these changes must be committed or unstaged first" },
169 0349119b 2022-03-22 thomas { GOT_ERR_PATCH_CHOICE, "invalid patch choice" },
170 0349119b 2022-03-22 thomas { GOT_ERR_COMMIT_NO_EMAIL, "commit author's email address is required "
171 0349119b 2022-03-22 thomas "for compatibility with Git" },
172 0349119b 2022-03-22 thomas { GOT_ERR_TAG_EXISTS,"specified tag already exists" },
173 0349119b 2022-03-22 thomas { GOT_ERR_GIT_REPO_FORMAT,"unknown git repository format version" },
174 0349119b 2022-03-22 thomas { GOT_ERR_REBASE_REQUIRED,"specified branch must be rebased first" },
175 0349119b 2022-03-22 thomas { GOT_ERR_REGEX, "regular expression error" },
176 0349119b 2022-03-22 thomas { GOT_ERR_REF_NAME_MINUS, "reference name may not start with '-'" },
177 0349119b 2022-03-22 thomas { GOT_ERR_GITCONFIG_SYNTAX, "gitconfig syntax error" },
178 0349119b 2022-03-22 thomas { GOT_ERR_REBASE_OUT_OF_DATE, "work tree must be updated before it "
179 0349119b 2022-03-22 thomas "can be used to rebase a branch" },
180 0349119b 2022-03-22 thomas { GOT_ERR_CACHE_DUP_ENTRY, "duplicate cache entry" },
181 0349119b 2022-03-22 thomas { GOT_ERR_QUERYSTRING, "bad querystring" },
182 0349119b 2022-03-22 thomas { GOT_ERR_FETCH_FAILED, "fetch failed" },
183 0349119b 2022-03-22 thomas { GOT_ERR_PARSE_URI, "failed to parse uri" },
184 0349119b 2022-03-22 thomas { GOT_ERR_BAD_PROTO, "unknown protocol" },
185 0349119b 2022-03-22 thomas { GOT_ERR_ADDRINFO, "getaddrinfo failed" },
186 0349119b 2022-03-22 thomas { GOT_ERR_BAD_PACKET, "bad packet received" },
187 0349119b 2022-03-22 thomas { GOT_ERR_NO_REMOTE, "remote repository not found" },
188 0349119b 2022-03-22 thomas { GOT_ERR_FETCH_NO_BRANCH, "could not find any branches to fetch" },
189 0349119b 2022-03-22 thomas { GOT_ERR_FETCH_BAD_REF, "reference cannot be fetched" },
190 0349119b 2022-03-22 thomas { GOT_ERR_TREE_ENTRY_TYPE, "unexpected tree entry type" },
191 0349119b 2022-03-22 thomas { GOT_ERR_PARSE_CONFIG, "configuration file syntax error" },
192 0349119b 2022-03-22 thomas { GOT_ERR_NO_CONFIG_FILE, "configuration file doesn't exit" },
193 0349119b 2022-03-22 thomas { GOT_ERR_BAD_SYMLINK, "symbolic link points outside of paths under "
194 0349119b 2022-03-22 thomas "version control" },
195 0349119b 2022-03-22 thomas { GOT_ERR_GIT_REPO_EXT, "unsupported repository format extension" },
196 0349119b 2022-03-22 thomas { GOT_ERR_CANNOT_PACK, "not enough objects to pack" },
197 0349119b 2022-03-22 thomas { GOT_ERR_LONELY_PACKIDX, "pack index has no corresponding pack file; "
198 0349119b 2022-03-22 thomas "pack file must be restored or 'gotadmin cleanup -p' must be run" },
199 0349119b 2022-03-22 thomas { GOT_ERR_OBJ_CSUM, "bad object checksum" },
200 0349119b 2022-03-22 thomas { GOT_ERR_SEND_BAD_REF, "reference cannot be sent" },
201 0349119b 2022-03-22 thomas { GOT_ERR_SEND_FAILED, "could not send pack file" },
202 0349119b 2022-03-22 thomas { GOT_ERR_SEND_EMPTY, "no references to send" },
203 0349119b 2022-03-22 thomas { GOT_ERR_SEND_ANCESTRY, "fetch and rebase required" },
204 0349119b 2022-03-22 thomas { GOT_ERR_CAPA_DELETE_REFS, "server cannot delete references" },
205 0349119b 2022-03-22 thomas { GOT_ERR_SEND_DELETE_REF, "reference cannot be deleted" },
206 0349119b 2022-03-22 thomas { GOT_ERR_SEND_TAG_EXISTS, "tag already exists on server" },
207 0349119b 2022-03-22 thomas { GOT_ERR_NOT_MERGING, "merge operation not in progress" },
208 0349119b 2022-03-22 thomas { GOT_ERR_MERGE_OUT_OF_DATE, "work tree must be updated before it "
209 0349119b 2022-03-22 thomas "can be used to merge a branch" },
210 0349119b 2022-03-22 thomas { GOT_ERR_MERGE_STAGED_PATHS, "work tree contains files with staged "
211 0349119b 2022-03-22 thomas "changes; these changes must be unstaged before merging can "
212 0349119b 2022-03-22 thomas "proceed" },
213 0349119b 2022-03-22 thomas { GOT_ERR_MERGE_COMMIT_OUT_OF_DATE, "merging cannot proceed because "
214 0349119b 2022-03-22 thomas "the work tree is no longer up-to-date; merge must be aborted "
215 0349119b 2022-03-22 thomas "and retried" },
216 0349119b 2022-03-22 thomas { GOT_ERR_MERGE_BUSY,"a merge operation is in progress in this "
217 0349119b 2022-03-22 thomas "work tree and must be continued or aborted first" },
218 0349119b 2022-03-22 thomas { GOT_ERR_MERGE_PATH, "cannot merge branch which contains "
219 0349119b 2022-03-22 thomas "changes outside of this work tree's path prefix" },
220 0349119b 2022-03-22 thomas { GOT_ERR_FILE_BINARY, "found a binary file instead of text" },
221 0349119b 2022-03-22 thomas { GOT_ERR_PATCH_MALFORMED, "malformed patch" },
222 0349119b 2022-03-22 thomas { GOT_ERR_PATCH_TRUNCATED, "patch truncated" },
223 0349119b 2022-03-22 thomas { GOT_ERR_NO_PATCH, "no patch found" },
224 0349119b 2022-03-22 thomas { GOT_ERR_HUNK_FAILED, "hunk failed to apply" },
225 0349119b 2022-03-22 thomas { GOT_ERR_PATCH_FAILED, "patch failed to apply" },
226 9fad5d8c 2022-04-16 thomas { GOT_ERR_FILEIDX_DUP_ENTRY, "duplicate file index entry" },
227 ec2b23c5 2022-07-01 thomas { GOT_ERR_PIN_PACK, "could not pin pack file" },
228 871bd038 2022-07-03 thomas { GOT_ERR_BAD_TAG_SIGNATURE, "invalid tag signature" },
229 871bd038 2022-07-03 thomas { GOT_ERR_VERIFY_TAG_SIGNATURE, "cannot verify signature" },
230 64313a9c 2022-07-03 thomas { GOT_ERR_SIGNING_TAG, "unable to sign tag" },
231 2ac684a4 2022-09-03 thomas { GOT_ERR_BAD_QUERYSTRING, "invalid query string" },
232 885707ed 2022-09-27 thomas { GOT_ERR_INTEGRATE_BRANCH, "will not integrate into a reference "
233 885707ed 2022-09-27 thomas "outside the \"refs/heads/\" reference namespace" },
234 3efd8e31 2022-10-23 thomas { GOT_ERR_BAD_REQUEST, "unexpected request received" },
235 3efd8e31 2022-10-23 thomas { GOT_ERR_CLIENT_ID, "unknown client identifier" },
236 3efd8e31 2022-10-23 thomas { GOT_ERR_REPO_TEMPFILE, "no repository tempfile available" },
237 6d7eb4f7 2023-04-04 thomas { GOT_ERR_REFS_PROTECTED, "reference namespace is protected" },
238 6d7eb4f7 2023-04-04 thomas { GOT_ERR_REF_PROTECTED, "reference is protected" },
239 3efd8e31 2022-10-23 thomas { GOT_ERR_REF_BUSY, "reference cannot be updated; please try again" },
240 3d47d5be 2022-10-31 thomas { GOT_ERR_COMMIT_BAD_AUTHOR, "commit author formatting would "
241 3d47d5be 2022-10-31 thomas "make Git unhappy" },
242 0bcde4c8 2022-12-30 thomas { GOT_ERR_UID, "bad user ID" },
243 0bcde4c8 2022-12-30 thomas { GOT_ERR_GID, "bad group ID" },
244 9c9f0ee1 2023-04-01 thomas { GOT_ERR_NO_PROG, "command not found or not accessible" },
245 0349119b 2022-03-22 thomas };
246 0349119b 2022-03-22 thomas
247 c884fd0a 2020-12-21 stsp static struct got_custom_error {
248 c884fd0a 2020-12-21 stsp struct got_error err;
249 3efd8e31 2022-10-23 thomas char msg[GOT_ERR_MAX_MSG_SIZE];
250 c884fd0a 2020-12-21 stsp } custom_errors[16];
251 c884fd0a 2020-12-21 stsp
252 c884fd0a 2020-12-21 stsp static struct got_custom_error *
253 c884fd0a 2020-12-21 stsp get_custom_err(void)
254 c884fd0a 2020-12-21 stsp {
255 c884fd0a 2020-12-21 stsp static unsigned int idx;
256 c884fd0a 2020-12-21 stsp return &custom_errors[(idx++) % nitems(custom_errors)];
257 c884fd0a 2020-12-21 stsp }
258 c884fd0a 2020-12-21 stsp
259 4027f31a 2017-11-04 stsp const struct got_error *
260 4027f31a 2017-11-04 stsp got_error(int code)
261 4027f31a 2017-11-04 stsp {
262 16aeacf7 2020-11-26 stsp size_t i;
263 4027f31a 2017-11-04 stsp
264 4027f31a 2017-11-04 stsp for (i = 0; i < nitems(got_errors); i++) {
265 4027f31a 2017-11-04 stsp if (code == got_errors[i].code)
266 4027f31a 2017-11-04 stsp return &got_errors[i];
267 4027f31a 2017-11-04 stsp }
268 4027f31a 2017-11-04 stsp
269 f334529e 2018-01-12 stsp abort();
270 4027f31a 2017-11-04 stsp }
271 f334529e 2018-01-12 stsp
272 f334529e 2018-01-12 stsp const struct got_error *
273 91a3d81f 2018-11-11 stsp got_error_msg(int code, const char *msg)
274 91a3d81f 2018-11-11 stsp {
275 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
276 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
277 16aeacf7 2020-11-26 stsp size_t i;
278 91a3d81f 2018-11-11 stsp
279 91a3d81f 2018-11-11 stsp for (i = 0; i < nitems(got_errors); i++) {
280 91a3d81f 2018-11-11 stsp if (code == got_errors[i].code) {
281 c884fd0a 2020-12-21 stsp err->code = code;
282 c884fd0a 2020-12-21 stsp strlcpy(cerr->msg, msg, sizeof(cerr->msg));
283 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
284 c884fd0a 2020-12-21 stsp return err;
285 91a3d81f 2018-11-11 stsp }
286 91a3d81f 2018-11-11 stsp }
287 91a3d81f 2018-11-11 stsp
288 91a3d81f 2018-11-11 stsp abort();
289 91a3d81f 2018-11-11 stsp }
290 91a3d81f 2018-11-11 stsp
291 91a3d81f 2018-11-11 stsp const struct got_error *
292 638f9024 2019-05-13 stsp got_error_from_errno(const char *prefix)
293 f334529e 2018-01-12 stsp {
294 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
295 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
296 9a02f8b7 2020-12-21 stsp char strerr[128];
297 f334529e 2018-01-12 stsp
298 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
299 9a02f8b7 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", prefix, strerr);
300 230a42bd 2019-05-11 jcs
301 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
302 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
303 c884fd0a 2020-12-21 stsp return err;
304 f334529e 2018-01-12 stsp }
305 8251fdbc 2018-01-12 stsp
306 8251fdbc 2018-01-12 stsp const struct got_error *
307 638f9024 2019-05-13 stsp got_error_from_errno2(const char *prefix, const char *prefix2)
308 48b8b0eb 2019-05-11 jcs {
309 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
310 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
311 9a02f8b7 2020-12-21 stsp char strerr[128];
312 48b8b0eb 2019-05-11 jcs
313 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
314 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s: %s", prefix, prefix2,
315 9a02f8b7 2020-12-21 stsp strerr);
316 48b8b0eb 2019-05-11 jcs
317 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
318 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
319 c884fd0a 2020-12-21 stsp return err;
320 48b8b0eb 2019-05-11 jcs }
321 48b8b0eb 2019-05-11 jcs
322 48b8b0eb 2019-05-11 jcs const struct got_error *
323 638f9024 2019-05-13 stsp got_error_from_errno3(const char *prefix, const char *prefix2,
324 230a42bd 2019-05-11 jcs const char *prefix3)
325 230a42bd 2019-05-11 jcs {
326 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
327 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
328 9a02f8b7 2020-12-21 stsp char strerr[128];
329 230a42bd 2019-05-11 jcs
330 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
331 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s: %s: %s", prefix,
332 9a02f8b7 2020-12-21 stsp prefix2, prefix3, strerr);
333 230a42bd 2019-05-11 jcs
334 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
335 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
336 c884fd0a 2020-12-21 stsp return err;
337 230a42bd 2019-05-11 jcs }
338 230a42bd 2019-05-11 jcs
339 230a42bd 2019-05-11 jcs const struct got_error *
340 4cc6a5a5 2020-12-15 stsp got_error_from_errno_fmt(const char *fmt, ...)
341 4cc6a5a5 2020-12-15 stsp {
342 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
343 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
344 4cc6a5a5 2020-12-15 stsp char buf[PATH_MAX * 4];
345 9a02f8b7 2020-12-21 stsp char strerr[128];
346 4cc6a5a5 2020-12-15 stsp va_list ap;
347 4cc6a5a5 2020-12-15 stsp
348 4cc6a5a5 2020-12-15 stsp va_start(ap, fmt);
349 4cc6a5a5 2020-12-15 stsp vsnprintf(buf, sizeof(buf), fmt, ap);
350 4cc6a5a5 2020-12-15 stsp va_end(ap);
351 4cc6a5a5 2020-12-15 stsp
352 9a02f8b7 2020-12-21 stsp strerror_r(errno, strerr, sizeof(strerr));
353 9a02f8b7 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", buf, strerr);
354 4cc6a5a5 2020-12-15 stsp
355 c884fd0a 2020-12-21 stsp err->code = GOT_ERR_ERRNO;
356 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
357 c884fd0a 2020-12-21 stsp return err;
358 4cc6a5a5 2020-12-15 stsp }
359 4cc6a5a5 2020-12-15 stsp
360 4cc6a5a5 2020-12-15 stsp const struct got_error *
361 2af4a041 2019-05-11 jcs got_error_set_errno(int code, const char *prefix)
362 1a76625f 2018-10-22 stsp {
363 1a76625f 2018-10-22 stsp errno = code;
364 638f9024 2019-05-13 stsp return got_error_from_errno(prefix);
365 1a76625f 2018-10-22 stsp }
366 1a76625f 2018-10-22 stsp
367 1a76625f 2018-10-22 stsp const struct got_error *
368 8251fdbc 2018-01-12 stsp got_ferror(FILE *f, int code)
369 8251fdbc 2018-01-12 stsp {
370 8251fdbc 2018-01-12 stsp if (ferror(f))
371 638f9024 2019-05-13 stsp return got_error_from_errno("");
372 8251fdbc 2018-01-12 stsp return got_error(code);
373 8251fdbc 2018-01-12 stsp }
374 91a3d81f 2018-11-11 stsp
375 91a3d81f 2018-11-11 stsp const struct got_error *
376 91a3d81f 2018-11-11 stsp got_error_no_obj(struct got_object_id *id)
377 91a3d81f 2018-11-11 stsp {
378 01986ce9 2023-02-07 thomas char id_str[GOT_OBJECT_ID_HEX_MAXLEN];
379 01986ce9 2023-02-07 thomas char msg[sizeof("object not found") + sizeof(id_str)];
380 91a3d81f 2018-11-11 stsp int ret;
381 91a3d81f 2018-11-11 stsp
382 01986ce9 2023-02-07 thomas if (!got_object_id_hex(id, id_str, sizeof(id_str)))
383 91a3d81f 2018-11-11 stsp return got_error(GOT_ERR_NO_OBJ);
384 91a3d81f 2018-11-11 stsp
385 91a3d81f 2018-11-11 stsp ret = snprintf(msg, sizeof(msg), "object %s not found", id_str);
386 717a78d4 2022-08-16 thomas if (ret < 0 || (size_t)ret >= sizeof(msg))
387 91a3d81f 2018-11-11 stsp return got_error(GOT_ERR_NO_OBJ);
388 91a3d81f 2018-11-11 stsp
389 91a3d81f 2018-11-11 stsp return got_error_msg(GOT_ERR_NO_OBJ, msg);
390 dc43cdc9 2023-02-07 thomas }
391 dc43cdc9 2023-02-07 thomas
392 dc43cdc9 2023-02-07 thomas const struct got_error *
393 dc43cdc9 2023-02-07 thomas got_error_checksum(struct got_object_id *id)
394 dc43cdc9 2023-02-07 thomas {
395 dc43cdc9 2023-02-07 thomas char id_str[GOT_OBJECT_ID_HEX_MAXLEN];
396 dc43cdc9 2023-02-07 thomas char msg[sizeof("checksum failure for object ") + sizeof(id_str)];
397 dc43cdc9 2023-02-07 thomas int ret;
398 dc43cdc9 2023-02-07 thomas
399 dc43cdc9 2023-02-07 thomas if (!got_object_id_hex(id, id_str, sizeof(id_str)))
400 dc43cdc9 2023-02-07 thomas return got_error(GOT_ERR_OBJ_CSUM);
401 dc43cdc9 2023-02-07 thomas
402 dc43cdc9 2023-02-07 thomas ret = snprintf(msg, sizeof(msg), "checksum failure for object %s",
403 dc43cdc9 2023-02-07 thomas id_str);
404 dc43cdc9 2023-02-07 thomas if (ret < 0 || (size_t)ret >= sizeof(msg))
405 dc43cdc9 2023-02-07 thomas return got_error(GOT_ERR_OBJ_CSUM);
406 dc43cdc9 2023-02-07 thomas
407 dc43cdc9 2023-02-07 thomas return got_error_msg(GOT_ERR_OBJ_CSUM, msg);
408 91a3d81f 2018-11-11 stsp }
409 2aa0475c 2019-02-03 stsp
410 2aa0475c 2019-02-03 stsp const struct got_error *
411 2aa0475c 2019-02-03 stsp got_error_not_ref(const char *refname)
412 2aa0475c 2019-02-03 stsp {
413 c884fd0a 2020-12-21 stsp char msg[sizeof("reference not found") + 1004];
414 2aa0475c 2019-02-03 stsp int ret;
415 2aa0475c 2019-02-03 stsp
416 2aa0475c 2019-02-03 stsp ret = snprintf(msg, sizeof(msg), "reference %s not found", refname);
417 717a78d4 2022-08-16 thomas if (ret < 0 || (size_t)ret >= sizeof(msg))
418 2aa0475c 2019-02-03 stsp return got_error(GOT_ERR_NOT_REF);
419 2aa0475c 2019-02-03 stsp
420 2aa0475c 2019-02-03 stsp return got_error_msg(GOT_ERR_NOT_REF, msg);
421 2aa0475c 2019-02-03 stsp }
422 09589288 2019-03-10 stsp
423 09589288 2019-03-10 stsp const struct got_error *
424 cc483380 2019-09-01 stsp got_error_uuid(uint32_t uuid_status, const char *prefix)
425 09589288 2019-03-10 stsp {
426 09589288 2019-03-10 stsp switch (uuid_status) {
427 09589288 2019-03-10 stsp case uuid_s_ok:
428 09589288 2019-03-10 stsp return NULL;
429 09589288 2019-03-10 stsp case uuid_s_bad_version:
430 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID_VERSION);
431 09589288 2019-03-10 stsp case uuid_s_invalid_string_uuid:
432 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID_INVALID);
433 09589288 2019-03-10 stsp case uuid_s_no_memory:
434 cc483380 2019-09-01 stsp return got_error_set_errno(ENOMEM, prefix);
435 09589288 2019-03-10 stsp default:
436 09589288 2019-03-10 stsp return got_error(GOT_ERR_UUID);
437 09589288 2019-03-10 stsp }
438 09589288 2019-03-10 stsp }
439 df056ada 2019-05-15 stsp
440 df056ada 2019-05-15 stsp const struct got_error *
441 df056ada 2019-05-15 stsp got_error_path(const char *path, int code)
442 df056ada 2019-05-15 stsp {
443 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
444 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
445 16aeacf7 2020-11-26 stsp size_t i;
446 df056ada 2019-05-15 stsp
447 df056ada 2019-05-15 stsp for (i = 0; i < nitems(got_errors); i++) {
448 df056ada 2019-05-15 stsp if (code == got_errors[i].code) {
449 c884fd0a 2020-12-21 stsp err->code = code;
450 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", path,
451 df056ada 2019-05-15 stsp got_errors[i].msg);
452 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
453 c884fd0a 2020-12-21 stsp return err;
454 df056ada 2019-05-15 stsp }
455 df056ada 2019-05-15 stsp }
456 df056ada 2019-05-15 stsp
457 df056ada 2019-05-15 stsp abort();
458 df056ada 2019-05-15 stsp }
459 73e7eb7d 2020-12-15 stsp
460 73e7eb7d 2020-12-15 stsp const struct got_error *
461 73e7eb7d 2020-12-15 stsp got_error_fmt(int code, const char *fmt, ...)
462 73e7eb7d 2020-12-15 stsp {
463 c884fd0a 2020-12-21 stsp struct got_custom_error *cerr = get_custom_err();
464 c884fd0a 2020-12-21 stsp struct got_error *err = &cerr->err;
465 73e7eb7d 2020-12-15 stsp char buf[PATH_MAX * 4];
466 73e7eb7d 2020-12-15 stsp va_list ap;
467 73e7eb7d 2020-12-15 stsp size_t i;
468 73e7eb7d 2020-12-15 stsp
469 73e7eb7d 2020-12-15 stsp va_start(ap, fmt);
470 73e7eb7d 2020-12-15 stsp vsnprintf(buf, sizeof(buf), fmt, ap);
471 73e7eb7d 2020-12-15 stsp va_end(ap);
472 73e7eb7d 2020-12-15 stsp
473 73e7eb7d 2020-12-15 stsp for (i = 0; i < nitems(got_errors); i++) {
474 73e7eb7d 2020-12-15 stsp if (code == got_errors[i].code) {
475 c884fd0a 2020-12-21 stsp err->code = code;
476 c884fd0a 2020-12-21 stsp snprintf(cerr->msg, sizeof(cerr->msg), "%s: %s", buf,
477 73e7eb7d 2020-12-15 stsp got_errors[i].msg);
478 c884fd0a 2020-12-21 stsp err->msg = cerr->msg;
479 c884fd0a 2020-12-21 stsp return err;
480 73e7eb7d 2020-12-15 stsp }
481 73e7eb7d 2020-12-15 stsp }
482 73e7eb7d 2020-12-15 stsp
483 73e7eb7d 2020-12-15 stsp abort();
484 73e7eb7d 2020-12-15 stsp }
485 3dc1dc04 2021-09-27 thomas
486 3dc1dc04 2021-09-27 thomas int
487 3dc1dc04 2021-09-27 thomas got_err_open_nofollow_on_symlink(void)
488 3dc1dc04 2021-09-27 thomas {
489 3dc1dc04 2021-09-27 thomas /*
490 3dc1dc04 2021-09-27 thomas * Check whether open(2) with O_NOFOLLOW failed on a symlink.
491 3dc1dc04 2021-09-27 thomas * Posix mandates ELOOP and OpenBSD follows it. Others return
492 3dc1dc04 2021-09-27 thomas * different error codes. We carry this workaround to help the
493 3dc1dc04 2021-09-27 thomas * portable version a little.
494 3dc1dc04 2021-09-27 thomas */
495 3dc1dc04 2021-09-27 thomas return (errno == ELOOP
496 3dc1dc04 2021-09-27 thomas #ifdef EMLINK
497 3dc1dc04 2021-09-27 thomas || errno == EMLINK
498 3dc1dc04 2021-09-27 thomas #endif
499 3dc1dc04 2021-09-27 thomas #ifdef EFTYPE
500 3dc1dc04 2021-09-27 thomas || errno == EFTYPE
501 3dc1dc04 2021-09-27 thomas #endif
502 3dc1dc04 2021-09-27 thomas );
503 3dc1dc04 2021-09-27 thomas }