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1 7be7cc45 2018-04-02 stsp /*
2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2019, Ori Bernstein <ori@openbsd.org>
4 7be7cc45 2018-04-02 stsp *
5 7be7cc45 2018-04-02 stsp * Permission to use, copy, modify, and distribute this software for any
6 7be7cc45 2018-04-02 stsp * purpose with or without fee is hereby granted, provided that the above
7 7be7cc45 2018-04-02 stsp * copyright notice and this permission notice appear in all copies.
8 7be7cc45 2018-04-02 stsp *
9 7be7cc45 2018-04-02 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 7be7cc45 2018-04-02 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 7be7cc45 2018-04-02 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 7be7cc45 2018-04-02 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 7be7cc45 2018-04-02 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 7be7cc45 2018-04-02 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 7be7cc45 2018-04-02 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 7be7cc45 2018-04-02 stsp */
17 7be7cc45 2018-04-02 stsp
18 7be7cc45 2018-04-02 stsp /*
19 7be7cc45 2018-04-02 stsp * All code runs under the same UID but sensitive code paths are
20 7be7cc45 2018-04-02 stsp * run in a separate process with tighter pledge(2) promises.
21 2ca3a24b 2018-04-02 stsp * Data is communicated between processes via imsg_flush(3) and imsg_read(3).
22 7be7cc45 2018-04-02 stsp * This behaviour is transparent to users of the library.
23 7be7cc45 2018-04-02 stsp *
24 1e4880cb 2018-04-02 stsp * We generally transmit data in imsg buffers, split across several messages
25 ff6b18f8 2018-04-24 stsp * if necessary. File descriptors are used in cases where this is impractical,
26 ff6b18f8 2018-04-24 stsp * such as when accessing pack files or when transferring large blobs.
27 7be7cc45 2018-04-02 stsp *
28 ad242220 2018-09-08 stsp * We exec(2) after a fork(2). Parts of our library functionality are
29 ad242220 2018-09-08 stsp * accessible via separate executables in a libexec directory.
30 7be7cc45 2018-04-02 stsp */
31 7be7cc45 2018-04-02 stsp
32 ad242220 2018-09-08 stsp #define GOT_IMSG_FD_CHILD (STDERR_FILENO + 1)
33 ad242220 2018-09-08 stsp
34 ad242220 2018-09-08 stsp #ifndef GOT_LIBEXECDIR
35 ad242220 2018-09-08 stsp #define GOT_LIBEXECDIR /usr/libexec
36 ad242220 2018-09-08 stsp #endif
37 ad242220 2018-09-08 stsp
38 ad242220 2018-09-08 stsp /* Names of helper programs in libexec directory */
39 ad242220 2018-09-08 stsp #define GOT_PROG_READ_OBJECT got-read-object
40 ad242220 2018-09-08 stsp #define GOT_PROG_READ_TREE got-read-tree
41 ad242220 2018-09-08 stsp #define GOT_PROG_READ_COMMIT got-read-commit
42 ad242220 2018-09-08 stsp #define GOT_PROG_READ_BLOB got-read-blob
43 f4a881ce 2018-11-17 stsp #define GOT_PROG_READ_TAG got-read-tag
44 876c234b 2018-09-10 stsp #define GOT_PROG_READ_PACK got-read-pack
45 aba9c984 2019-09-08 stsp #define GOT_PROG_READ_GITCONFIG got-read-gitconfig
46 257add31 2020-09-09 stsp #define GOT_PROG_READ_GOTCONFIG got-read-gotconfig
47 93658fb9 2020-03-18 stsp #define GOT_PROG_FETCH_PACK got-fetch-pack
48 93658fb9 2020-03-18 stsp #define GOT_PROG_INDEX_PACK got-index-pack
49 93658fb9 2020-03-18 stsp #define GOT_PROG_SEND_PACK got-send-pack
50 ad242220 2018-09-08 stsp
51 ad242220 2018-09-08 stsp #define GOT_STRINGIFY(x) #x
52 ad242220 2018-09-08 stsp #define GOT_STRINGVAL(x) GOT_STRINGIFY(x)
53 ad242220 2018-09-08 stsp
54 ad242220 2018-09-08 stsp /* Paths to helper programs in libexec directory */
55 ad242220 2018-09-08 stsp #define GOT_PATH_PROG_READ_OBJECT \
56 ad242220 2018-09-08 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_OBJECT)
57 ad242220 2018-09-08 stsp #define GOT_PATH_PROG_READ_TREE \
58 ad242220 2018-09-08 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_TREE)
59 ad242220 2018-09-08 stsp #define GOT_PATH_PROG_READ_COMMIT \
60 ad242220 2018-09-08 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_COMMIT)
61 ad242220 2018-09-08 stsp #define GOT_PATH_PROG_READ_BLOB \
62 ad242220 2018-09-08 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_BLOB)
63 f4a881ce 2018-11-17 stsp #define GOT_PATH_PROG_READ_TAG \
64 f4a881ce 2018-11-17 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_TAG)
65 876c234b 2018-09-10 stsp #define GOT_PATH_PROG_READ_PACK \
66 876c234b 2018-09-10 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_PACK)
67 aba9c984 2019-09-08 stsp #define GOT_PATH_PROG_READ_GITCONFIG \
68 aba9c984 2019-09-08 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_GITCONFIG)
69 257add31 2020-09-09 stsp #define GOT_PATH_PROG_READ_GOTCONFIG \
70 257add31 2020-09-09 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_GOTCONFIG)
71 93658fb9 2020-03-18 stsp #define GOT_PATH_PROG_FETCH_PACK \
72 93658fb9 2020-03-18 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_FETCH_PACK)
73 93658fb9 2020-03-18 stsp #define GOT_PATH_PROG_SEND_PACK \
74 93658fb9 2020-03-18 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_SEND_PACK)
75 93658fb9 2020-03-18 stsp #define GOT_PATH_PROG_INDEX_PACK \
76 93658fb9 2020-03-18 stsp GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_INDEX_PACK)
77 ad242220 2018-09-08 stsp
78 876c234b 2018-09-10 stsp struct got_privsep_child {
79 876c234b 2018-09-10 stsp int imsg_fd;
80 876c234b 2018-09-10 stsp pid_t pid;
81 876c234b 2018-09-10 stsp struct imsgbuf *ibuf;
82 876c234b 2018-09-10 stsp };
83 876c234b 2018-09-10 stsp
84 7be7cc45 2018-04-02 stsp enum got_imsg_type {
85 c025a41e 2018-04-02 stsp /* An error occured while processing a request. */
86 c025a41e 2018-04-02 stsp GOT_IMSG_ERROR,
87 c025a41e 2018-04-02 stsp
88 ad242220 2018-09-08 stsp /* Stop the child process. */
89 ad242220 2018-09-08 stsp GOT_IMSG_STOP,
90 1e4880cb 2018-04-02 stsp
91 7be7cc45 2018-04-02 stsp /*
92 7be7cc45 2018-04-02 stsp * Messages concerned with read access to objects in a repository.
93 7be7cc45 2018-04-02 stsp * Object and pack files are opened by the main process, where
94 7be7cc45 2018-04-02 stsp * data may be read as a byte string but without any interpretation.
95 7be7cc45 2018-04-02 stsp * Decompression and parsing of object and pack files occurs in a
96 f0b0c746 2018-09-09 stsp * separate process which runs under pledge("stdio recvfd").
97 7be7cc45 2018-04-02 stsp * This sandboxes our own repository parsing code, as well as zlib.
98 7be7cc45 2018-04-02 stsp */
99 ad242220 2018-09-08 stsp GOT_IMSG_OBJECT_REQUEST,
100 2178c42e 2018-04-22 stsp GOT_IMSG_OBJECT,
101 ad242220 2018-09-08 stsp GOT_IMSG_COMMIT_REQUEST,
102 bff6ca00 2018-04-23 stsp GOT_IMSG_COMMIT,
103 c75f7264 2018-09-11 stsp GOT_IMSG_COMMIT_LOGMSG,
104 ad242220 2018-09-08 stsp GOT_IMSG_TREE_REQUEST,
105 366d86ca 2018-04-23 stsp GOT_IMSG_TREE,
106 d80ab12b 2018-04-02 stsp GOT_IMSG_TREE_ENTRY,
107 ad242220 2018-09-08 stsp GOT_IMSG_BLOB_REQUEST,
108 ad242220 2018-09-08 stsp GOT_IMSG_BLOB_OUTFD,
109 366d86ca 2018-04-23 stsp GOT_IMSG_BLOB,
110 f4a881ce 2018-11-17 stsp GOT_IMSG_TAG_REQUEST,
111 f4a881ce 2018-11-17 stsp GOT_IMSG_TAG,
112 f4a881ce 2018-11-17 stsp GOT_IMSG_TAG_TAGMSG,
113 876c234b 2018-09-10 stsp
114 93658fb9 2020-03-18 stsp /* Messages related to networking. */
115 93658fb9 2020-03-18 stsp GOT_IMSG_FETCH_REQUEST,
116 4ba14133 2020-03-20 stsp GOT_IMSG_FETCH_HAVE_REF,
117 4ba14133 2020-03-20 stsp GOT_IMSG_FETCH_WANTED_BRANCH,
118 0e4002ca 2020-03-21 stsp GOT_IMSG_FETCH_WANTED_REF,
119 f826addf 2020-03-18 stsp GOT_IMSG_FETCH_OUTFD,
120 abe0f35f 2020-03-18 stsp GOT_IMSG_FETCH_SYMREFS,
121 ea7396b9 2020-03-18 stsp GOT_IMSG_FETCH_REF,
122 531c3985 2020-03-18 stsp GOT_IMSG_FETCH_SERVER_PROGRESS,
123 d2cdc636 2020-03-18 stsp GOT_IMSG_FETCH_DOWNLOAD_PROGRESS,
124 93658fb9 2020-03-18 stsp GOT_IMSG_FETCH_DONE,
125 93658fb9 2020-03-18 stsp GOT_IMSG_IDXPACK_REQUEST,
126 73ab1060 2020-03-18 stsp GOT_IMSG_IDXPACK_OUTFD,
127 baa9fea0 2020-03-18 stsp GOT_IMSG_IDXPACK_PROGRESS,
128 93658fb9 2020-03-18 stsp GOT_IMSG_IDXPACK_DONE,
129 93658fb9 2020-03-18 stsp
130 876c234b 2018-09-10 stsp /* Messages related to pack files. */
131 876c234b 2018-09-10 stsp GOT_IMSG_PACKIDX,
132 876c234b 2018-09-10 stsp GOT_IMSG_PACK,
133 876c234b 2018-09-10 stsp GOT_IMSG_PACKED_OBJECT_REQUEST,
134 ca6e02ac 2020-01-07 stsp GOT_IMSG_COMMIT_TRAVERSAL_REQUEST,
135 ca6e02ac 2020-01-07 stsp GOT_IMSG_TRAVERSED_COMMITS,
136 ca6e02ac 2020-01-07 stsp GOT_IMSG_COMMIT_TRAVERSAL_DONE,
137 3840f4c9 2018-09-12 stsp
138 33ad4cbe 2019-05-12 jcs /* Message sending file descriptor to a temporary file. */
139 3840f4c9 2018-09-12 stsp GOT_IMSG_TMPFD,
140 aba9c984 2019-09-08 stsp
141 aba9c984 2019-09-08 stsp /* Messages related to gitconfig files. */
142 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_PARSE_REQUEST,
143 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST,
144 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST,
145 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST,
146 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST,
147 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST,
148 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_INT_VAL,
149 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_STR_VAL,
150 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES,
151 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTE,
152 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST,
153 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER,
154 257add31 2020-09-09 stsp
155 257add31 2020-09-09 stsp /* Messages related to gotconfig files. */
156 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_PARSE_REQUEST,
157 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST,
158 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST,
159 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_INT_VAL,
160 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_STR_VAL,
161 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES,
162 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTE,
163 7be7cc45 2018-04-02 stsp };
164 7be7cc45 2018-04-02 stsp
165 c025a41e 2018-04-02 stsp /* Structure for GOT_IMSG_ERROR. */
166 c025a41e 2018-04-02 stsp struct got_imsg_error {
167 c025a41e 2018-04-02 stsp int code; /* an error code from got_error.h */
168 2178c42e 2018-04-22 stsp int errno_code; /* in case code equals GOT_ERR_ERRNO */
169 291624d8 2018-11-07 stsp } __attribute__((__packed__));
170 c025a41e 2018-04-02 stsp
171 ad242220 2018-09-08 stsp /*
172 1785f84a 2018-12-23 stsp * Structure for GOT_IMSG_TREE_REQUEST and GOT_IMSG_OBJECT data.
173 ad242220 2018-09-08 stsp */
174 f7171542 2018-04-02 stsp struct got_imsg_object {
175 c59b3346 2018-09-11 stsp uint8_t id[SHA1_DIGEST_LENGTH];
176 c59b3346 2018-09-11 stsp
177 7be7cc45 2018-04-02 stsp /* These fields are the same as in struct got_object. */
178 7be7cc45 2018-04-02 stsp int type;
179 7be7cc45 2018-04-02 stsp int flags;
180 7be7cc45 2018-04-02 stsp size_t hdrlen;
181 7be7cc45 2018-04-02 stsp size_t size;
182 876c234b 2018-09-10 stsp off_t pack_offset;
183 c59b3346 2018-09-11 stsp int pack_idx;
184 291624d8 2018-11-07 stsp } __attribute__((__packed__));
185 7be7cc45 2018-04-02 stsp
186 366d86ca 2018-04-23 stsp /* Structure for GOT_IMSG_COMMIT data. */
187 bff6ca00 2018-04-23 stsp struct got_imsg_commit_object {
188 86acc566 2018-04-23 stsp uint8_t tree_id[SHA1_DIGEST_LENGTH];
189 bff6ca00 2018-04-23 stsp size_t author_len;
190 ccb26ccd 2018-11-05 stsp time_t author_time;
191 ccb26ccd 2018-11-05 stsp time_t author_gmtoff;
192 bff6ca00 2018-04-23 stsp size_t committer_len;
193 ccb26ccd 2018-11-05 stsp time_t committer_time;
194 ccb26ccd 2018-11-05 stsp time_t committer_gmtoff;
195 bff6ca00 2018-04-23 stsp size_t logmsg_len;
196 bff6ca00 2018-04-23 stsp int nparents;
197 bff6ca00 2018-04-23 stsp
198 6c281f94 2018-06-11 stsp /*
199 c75f7264 2018-09-11 stsp * Followed by author_len + committer_len data bytes
200 6c281f94 2018-06-11 stsp */
201 bff6ca00 2018-04-23 stsp
202 86acc566 2018-04-23 stsp /* Followed by 'nparents' SHA1_DIGEST_LENGTH length strings */
203 bff6ca00 2018-04-23 stsp
204 c75f7264 2018-09-11 stsp /*
205 c75f7264 2018-09-11 stsp * Followed by 'logmsg_len' bytes of commit log message data in
206 c75f7264 2018-09-11 stsp * one or more GOT_IMSG_COMMIT_LOGMSG messages.
207 c75f7264 2018-09-11 stsp */
208 bff6ca00 2018-04-23 stsp } __attribute__((__packed__));
209 bff6ca00 2018-04-23 stsp
210 f7171542 2018-04-02 stsp
211 48f392b2 2018-04-02 stsp /* Structure for GOT_IMSG_TREE_ENTRY. */
212 48f392b2 2018-04-02 stsp struct got_imsg_tree_entry {
213 e033d803 2018-04-23 stsp char id[SHA1_DIGEST_LENGTH];
214 48f392b2 2018-04-02 stsp mode_t mode;
215 48f392b2 2018-04-02 stsp /* Followed by entry's name in remaining data of imsg buffer. */
216 8d98bcfb 2018-04-02 stsp } __attribute__((__packed__));
217 48f392b2 2018-04-02 stsp
218 d80ab12b 2018-04-02 stsp /* Structure for GOT_IMSG_TREE_OBJECT_REPLY data. */
219 48f392b2 2018-04-02 stsp struct got_imsg_tree_object {
220 48f392b2 2018-04-02 stsp int nentries; /* This many TREE_ENTRY messages follow. */
221 48f392b2 2018-04-02 stsp };
222 48f392b2 2018-04-02 stsp
223 2967a784 2018-04-24 stsp /* Structure for GOT_IMSG_BLOB. */
224 2967a784 2018-04-24 stsp struct got_imsg_blob {
225 2967a784 2018-04-24 stsp size_t size;
226 ebc55e2d 2018-12-24 stsp size_t hdrlen;
227 ac544f8c 2019-01-13 stsp
228 ac544f8c 2019-01-13 stsp /*
229 ac544f8c 2019-01-13 stsp * If size <= GOT_PRIVSEP_INLINE_BLOB_DATA_MAX, blob data follows
230 ac544f8c 2019-01-13 stsp * in the imsg buffer. Otherwise, blob data has been written to a
231 ac544f8c 2019-01-13 stsp * file descriptor passed via the GOT_IMSG_BLOB_OUTFD imsg.
232 ac544f8c 2019-01-13 stsp */
233 ac544f8c 2019-01-13 stsp #define GOT_PRIVSEP_INLINE_BLOB_DATA_MAX \
234 ac544f8c 2019-01-13 stsp (MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof(struct got_imsg_blob))
235 2967a784 2018-04-24 stsp };
236 2967a784 2018-04-24 stsp
237 ac544f8c 2019-01-13 stsp
238 f4a881ce 2018-11-17 stsp /* Structure for GOT_IMSG_TAG data. */
239 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object {
240 f4a881ce 2018-11-17 stsp uint8_t id[SHA1_DIGEST_LENGTH];
241 f4a881ce 2018-11-17 stsp int obj_type;
242 f4a881ce 2018-11-17 stsp size_t tag_len;
243 f4a881ce 2018-11-17 stsp size_t tagger_len;
244 f4a881ce 2018-11-17 stsp time_t tagger_time;
245 f4a881ce 2018-11-17 stsp time_t tagger_gmtoff;
246 f4a881ce 2018-11-17 stsp size_t tagmsg_len;
247 f4a881ce 2018-11-17 stsp
248 f4a881ce 2018-11-17 stsp /*
249 f4a881ce 2018-11-17 stsp * Followed by tag_len + tagger_len data bytes
250 f4a881ce 2018-11-17 stsp */
251 f4a881ce 2018-11-17 stsp
252 f4a881ce 2018-11-17 stsp /*
253 f4a881ce 2018-11-17 stsp * Followed by 'tagmsg_len' bytes of tag message data in
254 f4a881ce 2018-11-17 stsp * one or more GOT_IMSG_TAG_TAGMSG messages.
255 f4a881ce 2018-11-17 stsp */
256 abe0f35f 2020-03-18 stsp } __attribute__((__packed__));
257 33501562 2020-03-18 stsp
258 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_HAVE_REF data. */
259 33501562 2020-03-18 stsp struct got_imsg_fetch_have_ref {
260 33501562 2020-03-18 stsp uint8_t id[SHA1_DIGEST_LENGTH];
261 33501562 2020-03-18 stsp size_t name_len;
262 33501562 2020-03-18 stsp /* Followed by name_len data bytes. */
263 7848a0e1 2020-03-19 stsp } __attribute__((__packed__));
264 7848a0e1 2020-03-19 stsp
265 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_WANTED_BRANCH data. */
266 4ba14133 2020-03-20 stsp struct got_imsg_fetch_wanted_branch {
267 0e4002ca 2020-03-21 stsp size_t name_len;
268 0e4002ca 2020-03-21 stsp /* Followed by name_len data bytes. */
269 0e4002ca 2020-03-21 stsp } __attribute__((__packed__));
270 0e4002ca 2020-03-21 stsp
271 0e4002ca 2020-03-21 stsp /* Structure for GOT_IMSG_FETCH_WANTED_REF data. */
272 0e4002ca 2020-03-21 stsp struct got_imsg_fetch_wanted_ref {
273 4ba14133 2020-03-20 stsp size_t name_len;
274 4ba14133 2020-03-20 stsp /* Followed by name_len data bytes. */
275 4ba14133 2020-03-20 stsp } __attribute__((__packed__));
276 4ba14133 2020-03-20 stsp
277 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_REQUEST data. */
278 659e7fbd 2020-03-20 stsp struct got_imsg_fetch_request {
279 659e7fbd 2020-03-20 stsp int fetch_all_branches;
280 41b0de12 2020-03-21 stsp int list_refs_only;
281 2690194b 2020-03-21 stsp int verbosity;
282 33501562 2020-03-18 stsp size_t n_have_refs;
283 4ba14133 2020-03-20 stsp size_t n_wanted_branches;
284 0e4002ca 2020-03-21 stsp size_t n_wanted_refs;
285 4ba14133 2020-03-20 stsp /* Followed by n_have_refs GOT_IMSG_FETCH_HAVE_REF messages. */
286 4ba14133 2020-03-20 stsp /* Followed by n_wanted_branches times GOT_IMSG_FETCH_WANTED_BRANCH. */
287 0e4002ca 2020-03-21 stsp /* Followed by n_wanted_refs times GOT_IMSG_FETCH_WANTED_REF. */
288 659e7fbd 2020-03-20 stsp } __attribute__((__packed__));
289 abe0f35f 2020-03-18 stsp
290 abe0f35f 2020-03-18 stsp /* Structures for GOT_IMSG_FETCH_SYMREFS data. */
291 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref {
292 abe0f35f 2020-03-18 stsp size_t name_len;
293 abe0f35f 2020-03-18 stsp size_t target_len;
294 abe0f35f 2020-03-18 stsp
295 abe0f35f 2020-03-18 stsp /*
296 d45e6863 2020-03-18 stsp * Followed by name_len + target_len data bytes.
297 abe0f35f 2020-03-18 stsp */
298 abe0f35f 2020-03-18 stsp } __attribute__((__packed__));
299 abe0f35f 2020-03-18 stsp
300 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs {
301 abe0f35f 2020-03-18 stsp size_t nsymrefs;
302 abe0f35f 2020-03-18 stsp
303 abe0f35f 2020-03-18 stsp /* Followed by nsymrefs times of got_imsg_fetch_symref data. */
304 f4a881ce 2018-11-17 stsp } __attribute__((__packed__));
305 b9f99abf 2020-03-18 stsp
306 ea7396b9 2020-03-18 stsp /* Structure for GOT_IMSG_FETCH_REF data. */
307 ea7396b9 2020-03-18 stsp struct got_imsg_fetch_ref {
308 abe0f35f 2020-03-18 stsp /* Describes a reference which will be fetched. */
309 b9f99abf 2020-03-18 stsp uint8_t refid[SHA1_DIGEST_LENGTH];
310 b9f99abf 2020-03-18 stsp /* Followed by reference name in remaining data of imsg buffer. */
311 b9f99abf 2020-03-18 stsp };
312 f4a881ce 2018-11-17 stsp
313 d2cdc636 2020-03-18 stsp /* Structure for GOT_IMSG_FETCH_DOWNLOAD_PROGRESS data. */
314 d2cdc636 2020-03-18 stsp struct got_imsg_fetch_download_progress {
315 d2cdc636 2020-03-18 stsp /* Number of packfile data bytes downloaded so far. */
316 d2cdc636 2020-03-18 stsp off_t packfile_bytes;
317 baa9fea0 2020-03-18 stsp };
318 668a20f6 2020-03-18 stsp
319 668a20f6 2020-03-18 stsp /* Structure for GOT_IMSG_IDXPACK_REQUEST data. */
320 668a20f6 2020-03-18 stsp struct got_imsg_index_pack_request {
321 668a20f6 2020-03-18 stsp uint8_t pack_hash[SHA1_DIGEST_LENGTH];
322 668a20f6 2020-03-18 stsp } __attribute__((__packed__));
323 baa9fea0 2020-03-18 stsp
324 baa9fea0 2020-03-18 stsp /* Structure for GOT_IMSG_IDXPACK_PROGRESS data. */
325 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress {
326 baa9fea0 2020-03-18 stsp /* Total number of objects in pack file. */
327 668a20f6 2020-03-18 stsp int nobj_total;
328 668a20f6 2020-03-18 stsp
329 baa9fea0 2020-03-18 stsp /* Number of objects indexed so far. */
330 668a20f6 2020-03-18 stsp int nobj_indexed;
331 668a20f6 2020-03-18 stsp
332 668a20f6 2020-03-18 stsp /* Number of non-deltified objects in pack file. */
333 668a20f6 2020-03-18 stsp int nobj_loose;
334 668a20f6 2020-03-18 stsp
335 668a20f6 2020-03-18 stsp /* Number of deltified objects resolved so far. */
336 668a20f6 2020-03-18 stsp int nobj_resolved;
337 d2cdc636 2020-03-18 stsp };
338 d2cdc636 2020-03-18 stsp
339 876c234b 2018-09-10 stsp /* Structure for GOT_IMSG_PACKIDX. */
340 876c234b 2018-09-10 stsp struct got_imsg_packidx {
341 876c234b 2018-09-10 stsp size_t len;
342 876c234b 2018-09-10 stsp /* Additionally, a file desciptor is passed via imsg. */
343 876c234b 2018-09-10 stsp };
344 876c234b 2018-09-10 stsp
345 876c234b 2018-09-10 stsp /* Structure for GOT_IMSG_PACK. */
346 876c234b 2018-09-10 stsp struct got_imsg_pack {
347 876c234b 2018-09-10 stsp char path_packfile[PATH_MAX];
348 876c234b 2018-09-10 stsp size_t filesize;
349 876c234b 2018-09-10 stsp /* Additionally, a file desciptor is passed via imsg. */
350 291624d8 2018-11-07 stsp } __attribute__((__packed__));
351 876c234b 2018-09-10 stsp
352 876c234b 2018-09-10 stsp /*
353 876c234b 2018-09-10 stsp * Structure for GOT_IMSG_PACKED_OBJECT_REQUEST data.
354 876c234b 2018-09-10 stsp */
355 876c234b 2018-09-10 stsp struct got_imsg_packed_object {
356 106807b4 2018-09-15 stsp uint8_t id[SHA1_DIGEST_LENGTH];
357 876c234b 2018-09-10 stsp int idx;
358 291624d8 2018-11-07 stsp } __attribute__((__packed__));
359 876c234b 2018-09-10 stsp
360 ca6e02ac 2020-01-07 stsp /* Structure for GOT_IMSG_COMMIT_TRAVERSAL_REQUEST */
361 ca6e02ac 2020-01-07 stsp struct got_imsg_commit_traversal_request {
362 ca6e02ac 2020-01-07 stsp uint8_t id[SHA1_DIGEST_LENGTH];
363 ca6e02ac 2020-01-07 stsp int idx;
364 ca6e02ac 2020-01-07 stsp size_t path_len;
365 ca6e02ac 2020-01-07 stsp /* Followed by path_len bytes of path data */
366 ca6e02ac 2020-01-07 stsp } __attribute__((__packed__));
367 ca6e02ac 2020-01-07 stsp
368 ca6e02ac 2020-01-07 stsp /* Structure for GOT_IMSG_TRAVERSED_COMMITS */
369 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits {
370 ca6e02ac 2020-01-07 stsp size_t ncommits;
371 ca6e02ac 2020-01-07 stsp /* Followed by ncommit IDs of SHA1_DIGEST_LENGTH each */
372 ca6e02ac 2020-01-07 stsp } __attribute__((__packed__));
373 ca6e02ac 2020-01-07 stsp
374 cd95becd 2019-11-29 stsp /*
375 cd95becd 2019-11-29 stsp * Structure for GOT_IMSG_GITCONFIG_REMOTE data.
376 cd95becd 2019-11-29 stsp */
377 cd95becd 2019-11-29 stsp struct got_imsg_remote {
378 cd95becd 2019-11-29 stsp size_t name_len;
379 cd95becd 2019-11-29 stsp size_t url_len;
380 469dd726 2020-03-20 stsp int mirror_references;
381 0c8b29c5 2021-01-05 stsp int fetch_all_branches;
382 b8adfa55 2020-09-25 stsp int nbranches;
383 99495ddb 2021-01-10 stsp int nrefs;
384 cd95becd 2019-11-29 stsp
385 cd95becd 2019-11-29 stsp /* Followed by name_len + url_len data bytes. */
386 b8adfa55 2020-09-25 stsp /* Followed by nbranches GOT_IMSG_GITCONFIG_STR_VAL messages. */
387 99495ddb 2021-01-10 stsp /* Followed by nrefs GOT_IMSG_GITCONFIG_STR_VAL messages. */
388 4ba14133 2020-03-20 stsp } __attribute__((__packed__));
389 cd95becd 2019-11-29 stsp
390 cd95becd 2019-11-29 stsp /*
391 cd95becd 2019-11-29 stsp * Structure for GOT_IMSG_GITCONFIG_REMOTES data.
392 cd95becd 2019-11-29 stsp */
393 cd95becd 2019-11-29 stsp struct got_imsg_remotes {
394 cd95becd 2019-11-29 stsp int nremotes; /* This many GOT_IMSG_GITCONFIG_REMOTE messages follow. */
395 cd95becd 2019-11-29 stsp };
396 cd95becd 2019-11-29 stsp
397 cd95becd 2019-11-29 stsp struct got_remote_repo;
398 876c234b 2018-09-10 stsp struct got_pack;
399 876c234b 2018-09-10 stsp struct got_packidx;
400 3022d272 2019-11-14 stsp struct got_pathlist_head;
401 876c234b 2018-09-10 stsp
402 93658fb9 2020-03-18 stsp const struct got_error *got_send_ack(pid_t);
403 876c234b 2018-09-10 stsp const struct got_error *got_privsep_wait_for_child(pid_t);
404 e70bf110 2020-03-22 stsp const struct got_error *got_privsep_flush_imsg(struct imsgbuf *);
405 ad242220 2018-09-08 stsp const struct got_error *got_privsep_send_stop(int);
406 ad242220 2018-09-08 stsp const struct got_error *got_privsep_recv_imsg(struct imsg *, struct imsgbuf *,
407 ad242220 2018-09-08 stsp size_t);
408 2178c42e 2018-04-22 stsp void got_privsep_send_error(struct imsgbuf *, const struct got_error *);
409 93658fb9 2020-03-18 stsp const struct got_error *got_privsep_send_ack(struct imsgbuf *);
410 93658fb9 2020-03-18 stsp const struct got_error *got_privsep_wait_ack(struct imsgbuf *);
411 aea5f015 2018-12-24 stsp const struct got_error *got_privsep_send_obj_req(struct imsgbuf *, int);
412 1785f84a 2018-12-23 stsp const struct got_error *got_privsep_send_commit_req(struct imsgbuf *, int,
413 1785f84a 2018-12-23 stsp struct got_object_id *, int);
414 13c729f7 2018-12-24 stsp const struct got_error *got_privsep_send_tree_req(struct imsgbuf *, int,
415 13c729f7 2018-12-24 stsp struct got_object_id *, int);
416 268f7291 2018-12-24 stsp const struct got_error *got_privsep_send_tag_req(struct imsgbuf *, int,
417 268f7291 2018-12-24 stsp struct got_object_id *, int);
418 ebc55e2d 2018-12-24 stsp const struct got_error *got_privsep_send_blob_req(struct imsgbuf *, int,
419 ebc55e2d 2018-12-24 stsp struct got_object_id *, int);
420 55da3778 2018-09-10 stsp const struct got_error *got_privsep_send_blob_outfd(struct imsgbuf *, int);
421 3840f4c9 2018-09-12 stsp const struct got_error *got_privsep_send_tmpfd(struct imsgbuf *, int);
422 2178c42e 2018-04-22 stsp const struct got_error *got_privsep_send_obj(struct imsgbuf *,
423 876c234b 2018-09-10 stsp struct got_object *);
424 668a20f6 2020-03-18 stsp const struct got_error *got_privsep_send_index_pack_req(struct imsgbuf *,
425 668a20f6 2020-03-18 stsp uint8_t *, int);
426 73ab1060 2020-03-18 stsp const struct got_error *got_privsep_send_index_pack_outfd(struct imsgbuf *,
427 73ab1060 2020-03-18 stsp int);
428 baa9fea0 2020-03-18 stsp const struct got_error *got_privsep_recv_index_progress(int *, int *, int *,
429 668a20f6 2020-03-18 stsp int *, int *, struct imsgbuf *ibuf);
430 33501562 2020-03-18 stsp const struct got_error *got_privsep_send_fetch_req(struct imsgbuf *, int,
431 0e4002ca 2020-03-21 stsp struct got_pathlist_head *, int, struct got_pathlist_head *,
432 0e4002ca 2020-03-21 stsp struct got_pathlist_head *, int, int);
433 f826addf 2020-03-18 stsp const struct got_error *got_privsep_send_fetch_outfd(struct imsgbuf *, int);
434 8f2d01a6 2020-03-18 stsp const struct got_error *got_privsep_recv_fetch_progress(int *,
435 1d72a2a0 2020-03-24 stsp struct got_object_id **, char **, struct got_pathlist_head *, char **,
436 1d72a2a0 2020-03-24 stsp off_t *, uint8_t *, struct imsgbuf *);
437 cfd633c2 2018-09-10 stsp const struct got_error *got_privsep_get_imsg_obj(struct got_object **,
438 cfd633c2 2018-09-10 stsp struct imsg *, struct imsgbuf *);
439 2178c42e 2018-04-22 stsp const struct got_error *got_privsep_recv_obj(struct got_object **,
440 2178c42e 2018-04-22 stsp struct imsgbuf *);
441 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_send_commit(struct imsgbuf *,
442 bff6ca00 2018-04-23 stsp struct got_commit_object *);
443 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_recv_commit(struct got_commit_object **,
444 bff6ca00 2018-04-23 stsp struct imsgbuf *);
445 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_recv_tree(struct got_tree_object **,
446 e033d803 2018-04-23 stsp struct imsgbuf *);
447 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_send_tree(struct imsgbuf *,
448 3022d272 2019-11-14 stsp struct got_pathlist_head *, int);
449 ac544f8c 2019-01-13 stsp const struct got_error *got_privsep_send_blob(struct imsgbuf *, size_t, size_t,
450 ac544f8c 2019-01-13 stsp const uint8_t *);
451 ac544f8c 2019-01-13 stsp const struct got_error *got_privsep_recv_blob(uint8_t **, size_t *, size_t *,
452 ebc55e2d 2018-12-24 stsp struct imsgbuf *);
453 f4a881ce 2018-11-17 stsp const struct got_error *got_privsep_send_tag(struct imsgbuf *,
454 f4a881ce 2018-11-17 stsp struct got_tag_object *);
455 f4a881ce 2018-11-17 stsp const struct got_error *got_privsep_recv_tag(struct got_tag_object **,
456 f4a881ce 2018-11-17 stsp struct imsgbuf *);
457 876c234b 2018-09-10 stsp const struct got_error *got_privsep_init_pack_child(struct imsgbuf *,
458 876c234b 2018-09-10 stsp struct got_pack *, struct got_packidx *);
459 106807b4 2018-09-15 stsp const struct got_error *got_privsep_send_packed_obj_req(struct imsgbuf *, int,
460 106807b4 2018-09-15 stsp struct got_object_id *);
461 41fa1437 2018-11-05 stsp const struct got_error *got_privsep_send_pack_child_ready(struct imsgbuf *);
462 aba9c984 2019-09-08 stsp
463 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_parse_req(struct imsgbuf *,
464 aba9c984 2019-09-08 stsp int);
465 aba9c984 2019-09-08 stsp const struct got_error *
466 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *);
467 20b7abb3 2020-10-22 stsp const struct got_error *got_privsep_send_gitconfig_repository_extensions_req(
468 20b7abb3 2020-10-22 stsp struct imsgbuf *);
469 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_author_name_req(
470 aba9c984 2019-09-08 stsp struct imsgbuf *);
471 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_author_email_req(
472 aba9c984 2019-09-08 stsp struct imsgbuf *);
473 cd95becd 2019-11-29 stsp const struct got_error *got_privsep_send_gitconfig_remotes_req(
474 cd95becd 2019-11-29 stsp struct imsgbuf *);
475 9a1cc63f 2020-02-03 stsp const struct got_error *got_privsep_send_gitconfig_owner_req(struct imsgbuf *);
476 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_recv_gitconfig_str(char **,
477 aba9c984 2019-09-08 stsp struct imsgbuf *);
478 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_recv_gitconfig_int(int *, struct imsgbuf *);
479 cd95becd 2019-11-29 stsp const struct got_error *got_privsep_recv_gitconfig_remotes(
480 257add31 2020-09-09 stsp struct got_remote_repo **, int *, struct imsgbuf *);
481 257add31 2020-09-09 stsp
482 257add31 2020-09-09 stsp const struct got_error *got_privsep_send_gotconfig_parse_req(struct imsgbuf *,
483 257add31 2020-09-09 stsp int);
484 257add31 2020-09-09 stsp const struct got_error *got_privsep_send_gotconfig_author_req(struct imsgbuf *);
485 257add31 2020-09-09 stsp const struct got_error *got_privsep_send_gotconfig_remotes_req(
486 257add31 2020-09-09 stsp struct imsgbuf *);
487 257add31 2020-09-09 stsp const struct got_error *got_privsep_recv_gotconfig_str(char **,
488 257add31 2020-09-09 stsp struct imsgbuf *);
489 257add31 2020-09-09 stsp const struct got_error *got_privsep_recv_gotconfig_remotes(
490 cd95becd 2019-11-29 stsp struct got_remote_repo **, int *, struct imsgbuf *);
491 aba9c984 2019-09-08 stsp
492 ca6e02ac 2020-01-07 stsp const struct got_error *got_privsep_send_commit_traversal_request(
493 ca6e02ac 2020-01-07 stsp struct imsgbuf *, struct got_object_id *, int, const char *);
494 ca6e02ac 2020-01-07 stsp const struct got_error *got_privsep_recv_traversed_commits(
495 ca6e02ac 2020-01-07 stsp struct got_commit_object **, struct got_object_id **,
496 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *, struct imsgbuf *);
497 ca6e02ac 2020-01-07 stsp
498 aba9c984 2019-09-08 stsp void got_privsep_exec_child(int[2], const char *, const char *);