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