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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 0e4002ca 2020-03-21 stsp GOT_IMSG_FETCH_WANTED_REF,
116 f826addf 2020-03-18 stsp GOT_IMSG_FETCH_OUTFD,
117 abe0f35f 2020-03-18 stsp GOT_IMSG_FETCH_SYMREFS,
118 ea7396b9 2020-03-18 stsp GOT_IMSG_FETCH_REF,
119 531c3985 2020-03-18 stsp GOT_IMSG_FETCH_SERVER_PROGRESS,
120 d2cdc636 2020-03-18 stsp GOT_IMSG_FETCH_DOWNLOAD_PROGRESS,
121 93658fb9 2020-03-18 stsp GOT_IMSG_FETCH_DONE,
122 93658fb9 2020-03-18 stsp GOT_IMSG_IDXPACK_REQUEST,
123 73ab1060 2020-03-18 stsp GOT_IMSG_IDXPACK_OUTFD,
124 baa9fea0 2020-03-18 stsp GOT_IMSG_IDXPACK_PROGRESS,
125 93658fb9 2020-03-18 stsp GOT_IMSG_IDXPACK_DONE,
126 93658fb9 2020-03-18 stsp
127 876c234b 2018-09-10 stsp /* Messages related to pack files. */
128 876c234b 2018-09-10 stsp GOT_IMSG_PACKIDX,
129 876c234b 2018-09-10 stsp GOT_IMSG_PACK,
130 876c234b 2018-09-10 stsp GOT_IMSG_PACKED_OBJECT_REQUEST,
131 ca6e02ac 2020-01-07 stsp GOT_IMSG_COMMIT_TRAVERSAL_REQUEST,
132 ca6e02ac 2020-01-07 stsp GOT_IMSG_TRAVERSED_COMMITS,
133 ca6e02ac 2020-01-07 stsp GOT_IMSG_COMMIT_TRAVERSAL_DONE,
134 3840f4c9 2018-09-12 stsp
135 33ad4cbe 2019-05-12 jcs /* Message sending file descriptor to a temporary file. */
136 3840f4c9 2018-09-12 stsp GOT_IMSG_TMPFD,
137 aba9c984 2019-09-08 stsp
138 aba9c984 2019-09-08 stsp /* Messages related to gitconfig files. */
139 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_PARSE_REQUEST,
140 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST,
141 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST,
142 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST,
143 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST,
144 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_INT_VAL,
145 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_STR_VAL,
146 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES,
147 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTE,
148 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST,
149 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER,
150 7be7cc45 2018-04-02 stsp };
151 7be7cc45 2018-04-02 stsp
152 c025a41e 2018-04-02 stsp /* Structure for GOT_IMSG_ERROR. */
153 c025a41e 2018-04-02 stsp struct got_imsg_error {
154 c025a41e 2018-04-02 stsp int code; /* an error code from got_error.h */
155 2178c42e 2018-04-22 stsp int errno_code; /* in case code equals GOT_ERR_ERRNO */
156 291624d8 2018-11-07 stsp } __attribute__((__packed__));
157 c025a41e 2018-04-02 stsp
158 ad242220 2018-09-08 stsp /*
159 1785f84a 2018-12-23 stsp * Structure for GOT_IMSG_TREE_REQUEST and GOT_IMSG_OBJECT data.
160 ad242220 2018-09-08 stsp */
161 f7171542 2018-04-02 stsp struct got_imsg_object {
162 c59b3346 2018-09-11 stsp uint8_t id[SHA1_DIGEST_LENGTH];
163 c59b3346 2018-09-11 stsp
164 7be7cc45 2018-04-02 stsp /* These fields are the same as in struct got_object. */
165 7be7cc45 2018-04-02 stsp int type;
166 7be7cc45 2018-04-02 stsp int flags;
167 7be7cc45 2018-04-02 stsp size_t hdrlen;
168 7be7cc45 2018-04-02 stsp size_t size;
169 876c234b 2018-09-10 stsp off_t pack_offset;
170 c59b3346 2018-09-11 stsp int pack_idx;
171 291624d8 2018-11-07 stsp } __attribute__((__packed__));
172 7be7cc45 2018-04-02 stsp
173 366d86ca 2018-04-23 stsp /* Structure for GOT_IMSG_COMMIT data. */
174 bff6ca00 2018-04-23 stsp struct got_imsg_commit_object {
175 86acc566 2018-04-23 stsp uint8_t tree_id[SHA1_DIGEST_LENGTH];
176 bff6ca00 2018-04-23 stsp size_t author_len;
177 ccb26ccd 2018-11-05 stsp time_t author_time;
178 ccb26ccd 2018-11-05 stsp time_t author_gmtoff;
179 bff6ca00 2018-04-23 stsp size_t committer_len;
180 ccb26ccd 2018-11-05 stsp time_t committer_time;
181 ccb26ccd 2018-11-05 stsp time_t committer_gmtoff;
182 bff6ca00 2018-04-23 stsp size_t logmsg_len;
183 bff6ca00 2018-04-23 stsp int nparents;
184 bff6ca00 2018-04-23 stsp
185 6c281f94 2018-06-11 stsp /*
186 c75f7264 2018-09-11 stsp * Followed by author_len + committer_len data bytes
187 6c281f94 2018-06-11 stsp */
188 bff6ca00 2018-04-23 stsp
189 86acc566 2018-04-23 stsp /* Followed by 'nparents' SHA1_DIGEST_LENGTH length strings */
190 bff6ca00 2018-04-23 stsp
191 c75f7264 2018-09-11 stsp /*
192 c75f7264 2018-09-11 stsp * Followed by 'logmsg_len' bytes of commit log message data in
193 c75f7264 2018-09-11 stsp * one or more GOT_IMSG_COMMIT_LOGMSG messages.
194 c75f7264 2018-09-11 stsp */
195 bff6ca00 2018-04-23 stsp } __attribute__((__packed__));
196 bff6ca00 2018-04-23 stsp
197 f7171542 2018-04-02 stsp
198 48f392b2 2018-04-02 stsp /* Structure for GOT_IMSG_TREE_ENTRY. */
199 48f392b2 2018-04-02 stsp struct got_imsg_tree_entry {
200 e033d803 2018-04-23 stsp char id[SHA1_DIGEST_LENGTH];
201 48f392b2 2018-04-02 stsp mode_t mode;
202 48f392b2 2018-04-02 stsp /* Followed by entry's name in remaining data of imsg buffer. */
203 8d98bcfb 2018-04-02 stsp } __attribute__((__packed__));
204 48f392b2 2018-04-02 stsp
205 d80ab12b 2018-04-02 stsp /* Structure for GOT_IMSG_TREE_OBJECT_REPLY data. */
206 48f392b2 2018-04-02 stsp struct got_imsg_tree_object {
207 48f392b2 2018-04-02 stsp int nentries; /* This many TREE_ENTRY messages follow. */
208 48f392b2 2018-04-02 stsp };
209 48f392b2 2018-04-02 stsp
210 2967a784 2018-04-24 stsp /* Structure for GOT_IMSG_BLOB. */
211 2967a784 2018-04-24 stsp struct got_imsg_blob {
212 2967a784 2018-04-24 stsp size_t size;
213 ebc55e2d 2018-12-24 stsp size_t hdrlen;
214 ac544f8c 2019-01-13 stsp
215 ac544f8c 2019-01-13 stsp /*
216 ac544f8c 2019-01-13 stsp * If size <= GOT_PRIVSEP_INLINE_BLOB_DATA_MAX, blob data follows
217 ac544f8c 2019-01-13 stsp * in the imsg buffer. Otherwise, blob data has been written to a
218 ac544f8c 2019-01-13 stsp * file descriptor passed via the GOT_IMSG_BLOB_OUTFD imsg.
219 ac544f8c 2019-01-13 stsp */
220 ac544f8c 2019-01-13 stsp #define GOT_PRIVSEP_INLINE_BLOB_DATA_MAX \
221 ac544f8c 2019-01-13 stsp (MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof(struct got_imsg_blob))
222 2967a784 2018-04-24 stsp };
223 2967a784 2018-04-24 stsp
224 ac544f8c 2019-01-13 stsp
225 f4a881ce 2018-11-17 stsp /* Structure for GOT_IMSG_TAG data. */
226 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object {
227 f4a881ce 2018-11-17 stsp uint8_t id[SHA1_DIGEST_LENGTH];
228 f4a881ce 2018-11-17 stsp int obj_type;
229 f4a881ce 2018-11-17 stsp size_t tag_len;
230 f4a881ce 2018-11-17 stsp size_t tagger_len;
231 f4a881ce 2018-11-17 stsp time_t tagger_time;
232 f4a881ce 2018-11-17 stsp time_t tagger_gmtoff;
233 f4a881ce 2018-11-17 stsp size_t tagmsg_len;
234 f4a881ce 2018-11-17 stsp
235 f4a881ce 2018-11-17 stsp /*
236 f4a881ce 2018-11-17 stsp * Followed by tag_len + tagger_len data bytes
237 f4a881ce 2018-11-17 stsp */
238 f4a881ce 2018-11-17 stsp
239 f4a881ce 2018-11-17 stsp /*
240 f4a881ce 2018-11-17 stsp * Followed by 'tagmsg_len' bytes of tag message data in
241 f4a881ce 2018-11-17 stsp * one or more GOT_IMSG_TAG_TAGMSG messages.
242 f4a881ce 2018-11-17 stsp */
243 abe0f35f 2020-03-18 stsp } __attribute__((__packed__));
244 33501562 2020-03-18 stsp
245 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_HAVE_REF data. */
246 33501562 2020-03-18 stsp struct got_imsg_fetch_have_ref {
247 33501562 2020-03-18 stsp uint8_t id[SHA1_DIGEST_LENGTH];
248 33501562 2020-03-18 stsp size_t name_len;
249 33501562 2020-03-18 stsp /* Followed by name_len data bytes. */
250 7848a0e1 2020-03-19 stsp } __attribute__((__packed__));
251 7848a0e1 2020-03-19 stsp
252 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_WANTED_BRANCH data. */
253 4ba14133 2020-03-20 stsp struct got_imsg_fetch_wanted_branch {
254 0e4002ca 2020-03-21 stsp size_t name_len;
255 0e4002ca 2020-03-21 stsp /* Followed by name_len data bytes. */
256 0e4002ca 2020-03-21 stsp } __attribute__((__packed__));
257 0e4002ca 2020-03-21 stsp
258 0e4002ca 2020-03-21 stsp /* Structure for GOT_IMSG_FETCH_WANTED_REF data. */
259 0e4002ca 2020-03-21 stsp struct got_imsg_fetch_wanted_ref {
260 4ba14133 2020-03-20 stsp size_t name_len;
261 4ba14133 2020-03-20 stsp /* Followed by name_len data bytes. */
262 4ba14133 2020-03-20 stsp } __attribute__((__packed__));
263 4ba14133 2020-03-20 stsp
264 4ba14133 2020-03-20 stsp /* Structure for GOT_IMSG_FETCH_REQUEST data. */
265 659e7fbd 2020-03-20 stsp struct got_imsg_fetch_request {
266 659e7fbd 2020-03-20 stsp int fetch_all_branches;
267 41b0de12 2020-03-21 stsp int list_refs_only;
268 2690194b 2020-03-21 stsp int verbosity;
269 33501562 2020-03-18 stsp size_t n_have_refs;
270 4ba14133 2020-03-20 stsp size_t n_wanted_branches;
271 0e4002ca 2020-03-21 stsp size_t n_wanted_refs;
272 4ba14133 2020-03-20 stsp /* Followed by n_have_refs GOT_IMSG_FETCH_HAVE_REF messages. */
273 4ba14133 2020-03-20 stsp /* Followed by n_wanted_branches times GOT_IMSG_FETCH_WANTED_BRANCH. */
274 0e4002ca 2020-03-21 stsp /* Followed by n_wanted_refs times GOT_IMSG_FETCH_WANTED_REF. */
275 659e7fbd 2020-03-20 stsp } __attribute__((__packed__));
276 abe0f35f 2020-03-18 stsp
277 abe0f35f 2020-03-18 stsp /* Structures for GOT_IMSG_FETCH_SYMREFS data. */
278 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref {
279 abe0f35f 2020-03-18 stsp size_t name_len;
280 abe0f35f 2020-03-18 stsp size_t target_len;
281 abe0f35f 2020-03-18 stsp
282 abe0f35f 2020-03-18 stsp /*
283 d45e6863 2020-03-18 stsp * Followed by name_len + target_len data bytes.
284 abe0f35f 2020-03-18 stsp */
285 abe0f35f 2020-03-18 stsp } __attribute__((__packed__));
286 abe0f35f 2020-03-18 stsp
287 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs {
288 abe0f35f 2020-03-18 stsp size_t nsymrefs;
289 abe0f35f 2020-03-18 stsp
290 abe0f35f 2020-03-18 stsp /* Followed by nsymrefs times of got_imsg_fetch_symref data. */
291 f4a881ce 2018-11-17 stsp } __attribute__((__packed__));
292 b9f99abf 2020-03-18 stsp
293 ea7396b9 2020-03-18 stsp /* Structure for GOT_IMSG_FETCH_REF data. */
294 ea7396b9 2020-03-18 stsp struct got_imsg_fetch_ref {
295 abe0f35f 2020-03-18 stsp /* Describes a reference which will be fetched. */
296 b9f99abf 2020-03-18 stsp uint8_t refid[SHA1_DIGEST_LENGTH];
297 b9f99abf 2020-03-18 stsp /* Followed by reference name in remaining data of imsg buffer. */
298 b9f99abf 2020-03-18 stsp };
299 f4a881ce 2018-11-17 stsp
300 d2cdc636 2020-03-18 stsp /* Structure for GOT_IMSG_FETCH_DOWNLOAD_PROGRESS data. */
301 d2cdc636 2020-03-18 stsp struct got_imsg_fetch_download_progress {
302 d2cdc636 2020-03-18 stsp /* Number of packfile data bytes downloaded so far. */
303 d2cdc636 2020-03-18 stsp off_t packfile_bytes;
304 baa9fea0 2020-03-18 stsp };
305 668a20f6 2020-03-18 stsp
306 668a20f6 2020-03-18 stsp /* Structure for GOT_IMSG_IDXPACK_REQUEST data. */
307 668a20f6 2020-03-18 stsp struct got_imsg_index_pack_request {
308 668a20f6 2020-03-18 stsp uint8_t pack_hash[SHA1_DIGEST_LENGTH];
309 668a20f6 2020-03-18 stsp } __attribute__((__packed__));
310 baa9fea0 2020-03-18 stsp
311 baa9fea0 2020-03-18 stsp /* Structure for GOT_IMSG_IDXPACK_PROGRESS data. */
312 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress {
313 baa9fea0 2020-03-18 stsp /* Total number of objects in pack file. */
314 668a20f6 2020-03-18 stsp int nobj_total;
315 668a20f6 2020-03-18 stsp
316 baa9fea0 2020-03-18 stsp /* Number of objects indexed so far. */
317 668a20f6 2020-03-18 stsp int nobj_indexed;
318 668a20f6 2020-03-18 stsp
319 668a20f6 2020-03-18 stsp /* Number of non-deltified objects in pack file. */
320 668a20f6 2020-03-18 stsp int nobj_loose;
321 668a20f6 2020-03-18 stsp
322 668a20f6 2020-03-18 stsp /* Number of deltified objects resolved so far. */
323 668a20f6 2020-03-18 stsp int nobj_resolved;
324 d2cdc636 2020-03-18 stsp };
325 d2cdc636 2020-03-18 stsp
326 876c234b 2018-09-10 stsp /* Structure for GOT_IMSG_PACKIDX. */
327 876c234b 2018-09-10 stsp struct got_imsg_packidx {
328 876c234b 2018-09-10 stsp size_t len;
329 876c234b 2018-09-10 stsp /* Additionally, a file desciptor is passed via imsg. */
330 876c234b 2018-09-10 stsp };
331 876c234b 2018-09-10 stsp
332 876c234b 2018-09-10 stsp /* Structure for GOT_IMSG_PACK. */
333 876c234b 2018-09-10 stsp struct got_imsg_pack {
334 876c234b 2018-09-10 stsp char path_packfile[PATH_MAX];
335 876c234b 2018-09-10 stsp size_t filesize;
336 876c234b 2018-09-10 stsp /* Additionally, a file desciptor is passed via imsg. */
337 291624d8 2018-11-07 stsp } __attribute__((__packed__));
338 876c234b 2018-09-10 stsp
339 876c234b 2018-09-10 stsp /*
340 876c234b 2018-09-10 stsp * Structure for GOT_IMSG_PACKED_OBJECT_REQUEST data.
341 876c234b 2018-09-10 stsp */
342 876c234b 2018-09-10 stsp struct got_imsg_packed_object {
343 106807b4 2018-09-15 stsp uint8_t id[SHA1_DIGEST_LENGTH];
344 876c234b 2018-09-10 stsp int idx;
345 291624d8 2018-11-07 stsp } __attribute__((__packed__));
346 876c234b 2018-09-10 stsp
347 ca6e02ac 2020-01-07 stsp /* Structure for GOT_IMSG_COMMIT_TRAVERSAL_REQUEST */
348 ca6e02ac 2020-01-07 stsp struct got_imsg_commit_traversal_request {
349 ca6e02ac 2020-01-07 stsp uint8_t id[SHA1_DIGEST_LENGTH];
350 ca6e02ac 2020-01-07 stsp int idx;
351 ca6e02ac 2020-01-07 stsp size_t path_len;
352 ca6e02ac 2020-01-07 stsp /* Followed by path_len bytes of path data */
353 ca6e02ac 2020-01-07 stsp } __attribute__((__packed__));
354 ca6e02ac 2020-01-07 stsp
355 ca6e02ac 2020-01-07 stsp /* Structure for GOT_IMSG_TRAVERSED_COMMITS */
356 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits {
357 ca6e02ac 2020-01-07 stsp size_t ncommits;
358 ca6e02ac 2020-01-07 stsp /* Followed by ncommit IDs of SHA1_DIGEST_LENGTH each */
359 ca6e02ac 2020-01-07 stsp } __attribute__((__packed__));
360 ca6e02ac 2020-01-07 stsp
361 cd95becd 2019-11-29 stsp /*
362 cd95becd 2019-11-29 stsp * Structure for GOT_IMSG_GITCONFIG_REMOTE data.
363 cd95becd 2019-11-29 stsp */
364 cd95becd 2019-11-29 stsp struct got_imsg_remote {
365 cd95becd 2019-11-29 stsp size_t name_len;
366 cd95becd 2019-11-29 stsp size_t url_len;
367 469dd726 2020-03-20 stsp int mirror_references;
368 cd95becd 2019-11-29 stsp
369 cd95becd 2019-11-29 stsp /* Followed by name_len + url_len data bytes. */
370 4ba14133 2020-03-20 stsp } __attribute__((__packed__));
371 cd95becd 2019-11-29 stsp
372 cd95becd 2019-11-29 stsp /*
373 cd95becd 2019-11-29 stsp * Structure for GOT_IMSG_GITCONFIG_REMOTES data.
374 cd95becd 2019-11-29 stsp */
375 cd95becd 2019-11-29 stsp struct got_imsg_remotes {
376 cd95becd 2019-11-29 stsp int nremotes; /* This many GOT_IMSG_GITCONFIG_REMOTE messages follow. */
377 cd95becd 2019-11-29 stsp };
378 cd95becd 2019-11-29 stsp
379 cd95becd 2019-11-29 stsp struct got_remote_repo;
380 876c234b 2018-09-10 stsp struct got_pack;
381 876c234b 2018-09-10 stsp struct got_packidx;
382 3022d272 2019-11-14 stsp struct got_pathlist_head;
383 876c234b 2018-09-10 stsp
384 93658fb9 2020-03-18 stsp const struct got_error *got_send_ack(pid_t);
385 876c234b 2018-09-10 stsp const struct got_error *got_privsep_wait_for_child(pid_t);
386 e70bf110 2020-03-22 stsp const struct got_error *got_privsep_flush_imsg(struct imsgbuf *);
387 ad242220 2018-09-08 stsp const struct got_error *got_privsep_send_stop(int);
388 ad242220 2018-09-08 stsp const struct got_error *got_privsep_recv_imsg(struct imsg *, struct imsgbuf *,
389 ad242220 2018-09-08 stsp size_t);
390 2178c42e 2018-04-22 stsp void got_privsep_send_error(struct imsgbuf *, const struct got_error *);
391 93658fb9 2020-03-18 stsp const struct got_error *got_privsep_send_ack(struct imsgbuf *);
392 93658fb9 2020-03-18 stsp const struct got_error *got_privsep_wait_ack(struct imsgbuf *);
393 aea5f015 2018-12-24 stsp const struct got_error *got_privsep_send_obj_req(struct imsgbuf *, int);
394 1785f84a 2018-12-23 stsp const struct got_error *got_privsep_send_commit_req(struct imsgbuf *, int,
395 1785f84a 2018-12-23 stsp struct got_object_id *, int);
396 13c729f7 2018-12-24 stsp const struct got_error *got_privsep_send_tree_req(struct imsgbuf *, int,
397 13c729f7 2018-12-24 stsp struct got_object_id *, int);
398 268f7291 2018-12-24 stsp const struct got_error *got_privsep_send_tag_req(struct imsgbuf *, int,
399 268f7291 2018-12-24 stsp struct got_object_id *, int);
400 ebc55e2d 2018-12-24 stsp const struct got_error *got_privsep_send_blob_req(struct imsgbuf *, int,
401 ebc55e2d 2018-12-24 stsp struct got_object_id *, int);
402 55da3778 2018-09-10 stsp const struct got_error *got_privsep_send_blob_outfd(struct imsgbuf *, int);
403 3840f4c9 2018-09-12 stsp const struct got_error *got_privsep_send_tmpfd(struct imsgbuf *, int);
404 2178c42e 2018-04-22 stsp const struct got_error *got_privsep_send_obj(struct imsgbuf *,
405 876c234b 2018-09-10 stsp struct got_object *);
406 668a20f6 2020-03-18 stsp const struct got_error *got_privsep_send_index_pack_req(struct imsgbuf *,
407 668a20f6 2020-03-18 stsp uint8_t *, int);
408 73ab1060 2020-03-18 stsp const struct got_error *got_privsep_send_index_pack_outfd(struct imsgbuf *,
409 73ab1060 2020-03-18 stsp int);
410 baa9fea0 2020-03-18 stsp const struct got_error *got_privsep_recv_index_progress(int *, int *, int *,
411 668a20f6 2020-03-18 stsp int *, int *, struct imsgbuf *ibuf);
412 33501562 2020-03-18 stsp const struct got_error *got_privsep_send_fetch_req(struct imsgbuf *, int,
413 0e4002ca 2020-03-21 stsp struct got_pathlist_head *, int, struct got_pathlist_head *,
414 0e4002ca 2020-03-21 stsp struct got_pathlist_head *, int, int);
415 f826addf 2020-03-18 stsp const struct got_error *got_privsep_send_fetch_outfd(struct imsgbuf *, int);
416 8f2d01a6 2020-03-18 stsp const struct got_error *got_privsep_recv_fetch_progress(int *,
417 1d72a2a0 2020-03-24 stsp struct got_object_id **, char **, struct got_pathlist_head *, char **,
418 1d72a2a0 2020-03-24 stsp off_t *, uint8_t *, struct imsgbuf *);
419 cfd633c2 2018-09-10 stsp const struct got_error *got_privsep_get_imsg_obj(struct got_object **,
420 cfd633c2 2018-09-10 stsp struct imsg *, struct imsgbuf *);
421 2178c42e 2018-04-22 stsp const struct got_error *got_privsep_recv_obj(struct got_object **,
422 2178c42e 2018-04-22 stsp struct imsgbuf *);
423 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_send_commit(struct imsgbuf *,
424 bff6ca00 2018-04-23 stsp struct got_commit_object *);
425 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_recv_commit(struct got_commit_object **,
426 bff6ca00 2018-04-23 stsp struct imsgbuf *);
427 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_recv_tree(struct got_tree_object **,
428 e033d803 2018-04-23 stsp struct imsgbuf *);
429 068fd2bf 2018-04-24 stsp const struct got_error *got_privsep_send_tree(struct imsgbuf *,
430 3022d272 2019-11-14 stsp struct got_pathlist_head *, int);
431 ac544f8c 2019-01-13 stsp const struct got_error *got_privsep_send_blob(struct imsgbuf *, size_t, size_t,
432 ac544f8c 2019-01-13 stsp const uint8_t *);
433 ac544f8c 2019-01-13 stsp const struct got_error *got_privsep_recv_blob(uint8_t **, size_t *, size_t *,
434 ebc55e2d 2018-12-24 stsp struct imsgbuf *);
435 f4a881ce 2018-11-17 stsp const struct got_error *got_privsep_send_tag(struct imsgbuf *,
436 f4a881ce 2018-11-17 stsp struct got_tag_object *);
437 f4a881ce 2018-11-17 stsp const struct got_error *got_privsep_recv_tag(struct got_tag_object **,
438 f4a881ce 2018-11-17 stsp struct imsgbuf *);
439 876c234b 2018-09-10 stsp const struct got_error *got_privsep_init_pack_child(struct imsgbuf *,
440 876c234b 2018-09-10 stsp struct got_pack *, struct got_packidx *);
441 106807b4 2018-09-15 stsp const struct got_error *got_privsep_send_packed_obj_req(struct imsgbuf *, int,
442 106807b4 2018-09-15 stsp struct got_object_id *);
443 41fa1437 2018-11-05 stsp const struct got_error *got_privsep_send_pack_child_ready(struct imsgbuf *);
444 aba9c984 2019-09-08 stsp
445 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_parse_req(struct imsgbuf *,
446 aba9c984 2019-09-08 stsp int);
447 aba9c984 2019-09-08 stsp const struct got_error *
448 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *);
449 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_author_name_req(
450 aba9c984 2019-09-08 stsp struct imsgbuf *);
451 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_send_gitconfig_author_email_req(
452 aba9c984 2019-09-08 stsp struct imsgbuf *);
453 cd95becd 2019-11-29 stsp const struct got_error *got_privsep_send_gitconfig_remotes_req(
454 cd95becd 2019-11-29 stsp struct imsgbuf *);
455 9a1cc63f 2020-02-03 stsp const struct got_error *got_privsep_send_gitconfig_owner_req(struct imsgbuf *);
456 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_recv_gitconfig_str(char **,
457 aba9c984 2019-09-08 stsp struct imsgbuf *);
458 aba9c984 2019-09-08 stsp const struct got_error *got_privsep_recv_gitconfig_int(int *, struct imsgbuf *);
459 cd95becd 2019-11-29 stsp const struct got_error *got_privsep_recv_gitconfig_remotes(
460 cd95becd 2019-11-29 stsp struct got_remote_repo **, int *, struct imsgbuf *);
461 aba9c984 2019-09-08 stsp
462 ca6e02ac 2020-01-07 stsp const struct got_error *got_privsep_send_commit_traversal_request(
463 ca6e02ac 2020-01-07 stsp struct imsgbuf *, struct got_object_id *, int, const char *);
464 ca6e02ac 2020-01-07 stsp const struct got_error *got_privsep_recv_traversed_commits(
465 ca6e02ac 2020-01-07 stsp struct got_commit_object **, struct got_object_id **,
466 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *, struct imsgbuf *);
467 ca6e02ac 2020-01-07 stsp
468 aba9c984 2019-09-08 stsp void got_privsep_exec_child(int[2], const char *, const char *);