/* * Copyright (c) 2018, 2019 Stefan Sperling * Copyright (c) 2019, Ori Bernstein * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * All code runs under the same UID but sensitive code paths are * run in a separate process with tighter pledge(2) promises. * Data is communicated between processes via imsg_flush(3) and imsg_read(3). * This behaviour is transparent to users of the library. * * We generally transmit data in imsg buffers, split across several messages * if necessary. File descriptors are used in cases where this is impractical, * such as when accessing pack files or when transferring large blobs. * * We exec(2) after a fork(2). Parts of our library functionality are * accessible via separate executables in a libexec directory. */ #define GOT_IMSG_FD_CHILD (STDERR_FILENO + 1) #ifndef GOT_LIBEXECDIR #define GOT_LIBEXECDIR /usr/libexec #endif /* Names of helper programs in libexec directory */ #define GOT_PROG_READ_OBJECT got-read-object #define GOT_PROG_READ_TREE got-read-tree #define GOT_PROG_READ_COMMIT got-read-commit #define GOT_PROG_READ_BLOB got-read-blob #define GOT_PROG_READ_TAG got-read-tag #define GOT_PROG_READ_PACK got-read-pack #define GOT_PROG_READ_GITCONFIG got-read-gitconfig #define GOT_PROG_READ_GOTCONFIG got-read-gotconfig #define GOT_PROG_READ_PATCH got-read-patch #define GOT_PROG_FETCH_PACK got-fetch-pack #define GOT_PROG_INDEX_PACK got-index-pack #define GOT_PROG_SEND_PACK got-send-pack #define GOT_STRINGIFY(x) #x #define GOT_STRINGVAL(x) GOT_STRINGIFY(x) /* Paths to helper programs in libexec directory */ #define GOT_PATH_PROG_READ_OBJECT \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_OBJECT) #define GOT_PATH_PROG_READ_TREE \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_TREE) #define GOT_PATH_PROG_READ_COMMIT \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_COMMIT) #define GOT_PATH_PROG_READ_BLOB \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_BLOB) #define GOT_PATH_PROG_READ_TAG \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_TAG) #define GOT_PATH_PROG_READ_PACK \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_PACK) #define GOT_PATH_PROG_READ_GITCONFIG \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_GITCONFIG) #define GOT_PATH_PROG_READ_GOTCONFIG \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_GOTCONFIG) #define GOT_PATH_PROG_READ_PATCH \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_READ_PATCH) #define GOT_PATH_PROG_FETCH_PACK \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_FETCH_PACK) #define GOT_PATH_PROG_SEND_PACK \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_SEND_PACK) #define GOT_PATH_PROG_INDEX_PACK \ GOT_STRINGVAL(GOT_LIBEXECDIR) "/" GOT_STRINGVAL(GOT_PROG_INDEX_PACK) enum got_imsg_type { /* An error occured while processing a request. */ GOT_IMSG_ERROR, /* Stop the child process. */ GOT_IMSG_STOP, /* * Messages concerned with read access to objects in a repository. * Object and pack files are opened by the main process, where * data may be read as a byte string but without any interpretation. * Decompression and parsing of object and pack files occurs in a * separate process which runs under pledge("stdio recvfd"). * This sandboxes our own repository parsing code, as well as zlib. */ GOT_IMSG_OBJECT_REQUEST, GOT_IMSG_OBJECT, GOT_IMSG_COMMIT_REQUEST, GOT_IMSG_COMMIT, GOT_IMSG_COMMIT_LOGMSG, GOT_IMSG_TREE_REQUEST, GOT_IMSG_TREE, GOT_IMSG_TREE_ENTRIES, GOT_IMSG_BLOB_REQUEST, GOT_IMSG_BLOB_OUTFD, GOT_IMSG_BLOB, GOT_IMSG_TAG_REQUEST, GOT_IMSG_TAG, GOT_IMSG_TAG_TAGMSG, /* Messages related to networking. */ GOT_IMSG_FETCH_REQUEST, GOT_IMSG_FETCH_HAVE_REF, GOT_IMSG_FETCH_WANTED_BRANCH, GOT_IMSG_FETCH_WANTED_REF, GOT_IMSG_FETCH_OUTFD, GOT_IMSG_FETCH_SYMREFS, GOT_IMSG_FETCH_REF, GOT_IMSG_FETCH_SERVER_PROGRESS, GOT_IMSG_FETCH_DOWNLOAD_PROGRESS, GOT_IMSG_FETCH_DONE, GOT_IMSG_IDXPACK_REQUEST, GOT_IMSG_IDXPACK_OUTFD, GOT_IMSG_IDXPACK_PROGRESS, GOT_IMSG_IDXPACK_DONE, GOT_IMSG_SEND_REQUEST, GOT_IMSG_SEND_REF, GOT_IMSG_SEND_REMOTE_REF, GOT_IMSG_SEND_REF_STATUS, GOT_IMSG_SEND_PACK_REQUEST, GOT_IMSG_SEND_PACKFD, GOT_IMSG_SEND_UPLOAD_PROGRESS, GOT_IMSG_SEND_DONE, /* Messages related to pack files. */ GOT_IMSG_PACKIDX, GOT_IMSG_PACK, GOT_IMSG_PACKED_OBJECT_REQUEST, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, GOT_IMSG_TRAVERSED_COMMITS, GOT_IMSG_COMMIT_TRAVERSAL_DONE, GOT_IMSG_OBJECT_ENUMERATION_REQUEST, GOT_IMSG_ENUMERATED_COMMIT, GOT_IMSG_ENUMERATED_TREE, GOT_IMSG_TREE_ENUMERATION_DONE, GOT_IMSG_OBJECT_ENUMERATION_DONE, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE, /* Message sending file descriptor to a temporary file. */ GOT_IMSG_TMPFD, /* Messages related to gitconfig files. */ GOT_IMSG_GITCONFIG_PARSE_REQUEST, GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, GOT_IMSG_GITCONFIG_REMOTES_REQUEST, GOT_IMSG_GITCONFIG_INT_VAL, GOT_IMSG_GITCONFIG_STR_VAL, GOT_IMSG_GITCONFIG_PAIR, GOT_IMSG_GITCONFIG_REMOTES, GOT_IMSG_GITCONFIG_REMOTE, GOT_IMSG_GITCONFIG_OWNER_REQUEST, GOT_IMSG_GITCONFIG_OWNER, /* Messages related to gotconfig files. */ GOT_IMSG_GOTCONFIG_PARSE_REQUEST, GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, GOT_IMSG_GOTCONFIG_INT_VAL, GOT_IMSG_GOTCONFIG_STR_VAL, GOT_IMSG_GOTCONFIG_REMOTES, GOT_IMSG_GOTCONFIG_REMOTE, /* Raw object access. Uncompress object data but do not parse it. */ GOT_IMSG_RAW_OBJECT_REQUEST, GOT_IMSG_RAW_OBJECT_OUTFD, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, GOT_IMSG_RAW_OBJECT, /* Read raw delta data from pack files. */ GOT_IMSG_RAW_DELTA_OUTFD, GOT_IMSG_RAW_DELTA_REQUEST, GOT_IMSG_RAW_DELTA, /* Re-use deltas found in a pack file. */ GOT_IMSG_DELTA_REUSE_REQUEST, GOT_IMSG_REUSED_DELTAS, GOT_IMSG_DELTA_REUSE_DONE, /* Commit coloring in got-read-pack. */ GOT_IMSG_COMMIT_PAINTING_INIT, GOT_IMSG_COMMIT_PAINTING_REQUEST, GOT_IMSG_PAINTED_COMMITS, GOT_IMSG_COMMIT_PAINTING_DONE, /* Transfer a list of object IDs. */ GOT_IMSG_OBJ_ID_LIST, GOT_IMSG_OBJ_ID_LIST_DONE, /* Messages related to patch files. */ GOT_IMSG_PATCH_FILE, GOT_IMSG_PATCH_HUNK, GOT_IMSG_PATCH_DONE, GOT_IMSG_PATCH_LINE, GOT_IMSG_PATCH, GOT_IMSG_PATCH_EOF, }; /* Structure for GOT_IMSG_ERROR. */ struct got_imsg_error { int code; /* an error code from got_error.h */ int errno_code; /* in case code equals GOT_ERR_ERRNO */ } __attribute__((__packed__)); /* * Structure for GOT_IMSG_TREE_REQUEST and GOT_IMSG_OBJECT data. */ struct got_imsg_object { struct got_object_id id; /* These fields are the same as in struct got_object. */ int type; int flags; size_t hdrlen; size_t size; off_t pack_offset; int pack_idx; } __attribute__((__packed__)); /* Structure for GOT_IMSG_COMMIT data. */ struct got_imsg_commit_object { struct got_object_id tree_id; size_t author_len; time_t author_time; time_t author_gmtoff; size_t committer_len; time_t committer_time; time_t committer_gmtoff; size_t logmsg_len; int nparents; /* * Followed by author_len + committer_len data bytes */ /* Followed by 'nparents' struct got_object_id */ /* * Followed by 'logmsg_len' bytes of commit log message data in * one or more GOT_IMSG_COMMIT_LOGMSG messages. */ } __attribute__((__packed__)); struct got_imsg_tree_entry { char id[SHA1_DIGEST_LENGTH]; mode_t mode; size_t namelen; /* Followed by namelen bytes of entry's name, not NUL-terminated. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_TREE_ENTRIES. */ struct got_imsg_tree_entries { size_t nentries; /* Number of tree entries contained in this message. */ /* Followed by nentries * struct got_imsg_tree_entry */ }; /* Structure for GOT_IMSG_TREE_OBJECT_REPLY data. */ struct got_imsg_tree_object { int nentries; /* This many tree entries follow. */ }; /* Structure for GOT_IMSG_BLOB. */ struct got_imsg_blob { size_t size; size_t hdrlen; /* * If size <= GOT_PRIVSEP_INLINE_BLOB_DATA_MAX, blob data follows * in the imsg buffer. Otherwise, blob data has been written to a * file descriptor passed via the GOT_IMSG_BLOB_OUTFD imsg. */ #define GOT_PRIVSEP_INLINE_BLOB_DATA_MAX \ (MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof(struct got_imsg_blob)) }; /* Structure for GOT_IMSG_RAW_OBJECT. */ struct got_imsg_raw_obj { off_t size; size_t hdrlen; /* * If size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX, object data follows * in the imsg buffer. Otherwise, object data has been written to a * file descriptor passed via the GOT_IMSG_RAW_OBJECT_OUTFD imsg. */ #define GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX \ (MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof(struct got_imsg_raw_obj)) }; /* Structure for GOT_IMSG_RAW_DELTA. */ struct got_imsg_raw_delta { struct got_object_id base_id; uint64_t base_size; uint64_t result_size; off_t delta_size; off_t delta_compressed_size; off_t delta_offset; off_t delta_out_offset; /* * Delta data has been written at delta_out_offset to the file * descriptor passed via the GOT_IMSG_RAW_DELTA_OUTFD imsg. */ }; /* Structures for GOT_IMSG_REUSED_DELTAS. */ struct got_imsg_reused_delta { struct got_object_id id; struct got_object_id base_id; uint64_t base_size; uint64_t result_size; off_t delta_size; off_t delta_compressed_size; off_t delta_offset; }; struct got_imsg_reused_deltas { size_t ndeltas; /* * Followed by ndeltas * struct got_imsg_reused_delta. */ #define GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS \ ((MAX_IMSGSIZE - IMSG_HEADER_SIZE - \ sizeof(struct got_imsg_reused_deltas)) \ / sizeof(struct got_imsg_reused_delta)) }; /* Structure for GOT_IMSG_COMMIT_PAINTING_REQUEST. */ struct got_imsg_commit_painting_request { struct got_object_id id; int idx; int color; } __attribute__((__packed__)); /* Structure for GOT_IMSG_PAINTED_COMMITS. */ struct got_imsg_painted_commit { uint8_t id[SHA1_DIGEST_LENGTH]; intptr_t color; } __attribute__((__packed__)); struct got_imsg_painted_commits { int ncommits; int present_in_pack; /* * Followed by ncommits * struct got_imsg_painted_commit. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_TAG data. */ struct got_imsg_tag_object { struct got_object_id id; int obj_type; size_t tag_len; size_t tagger_len; time_t tagger_time; time_t tagger_gmtoff; size_t tagmsg_len; /* * Followed by tag_len + tagger_len data bytes */ /* * Followed by 'tagmsg_len' bytes of tag message data in * one or more GOT_IMSG_TAG_TAGMSG messages. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_FETCH_HAVE_REF data. */ struct got_imsg_fetch_have_ref { struct got_object_id id; size_t name_len; /* Followed by name_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_FETCH_WANTED_BRANCH data. */ struct got_imsg_fetch_wanted_branch { size_t name_len; /* Followed by name_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_FETCH_WANTED_REF data. */ struct got_imsg_fetch_wanted_ref { size_t name_len; /* Followed by name_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_FETCH_REQUEST data. */ struct got_imsg_fetch_request { int no_head; int fetch_all_branches; int list_refs_only; int verbosity; size_t worktree_branch_len; size_t remote_head_len; size_t n_have_refs; size_t n_wanted_branches; size_t n_wanted_refs; /* Followed by worktree_branch_len bytes of reference name. */ /* Followed by remote_head_len bytes of reference name. */ /* Followed by n_have_refs GOT_IMSG_FETCH_HAVE_REF messages. */ /* Followed by n_wanted_branches times GOT_IMSG_FETCH_WANTED_BRANCH. */ /* Followed by n_wanted_refs times GOT_IMSG_FETCH_WANTED_REF. */ } __attribute__((__packed__)); /* Structures for GOT_IMSG_FETCH_SYMREFS data. */ struct got_imsg_fetch_symref { size_t name_len; size_t target_len; /* * Followed by name_len + target_len data bytes. */ } __attribute__((__packed__)); struct got_imsg_fetch_symrefs { size_t nsymrefs; /* Followed by nsymrefs times of got_imsg_fetch_symref data. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_FETCH_REF data. */ struct got_imsg_fetch_ref { /* Describes a reference which will be fetched. */ struct got_object_id refid; /* Followed by reference name in remaining data of imsg buffer. */ }; /* Structure for GOT_IMSG_FETCH_DOWNLOAD_PROGRESS data. */ struct got_imsg_fetch_download_progress { /* Number of packfile data bytes downloaded so far. */ off_t packfile_bytes; }; /* Structure for GOT_IMSG_SEND_REQUEST data. */ struct got_imsg_send_request { int verbosity; size_t nrefs; /* Followed by nrefs GOT_IMSG_SEND_REF messages. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_SEND_UPLOAD_PROGRESS data. */ struct got_imsg_send_upload_progress { /* Number of packfile data bytes uploaded so far. */ off_t packfile_bytes; }; /* Structure for GOT_IMSG_SEND_REF data. */ struct got_imsg_send_ref { struct got_object_id id; int delete; size_t name_len; /* Followed by name_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_SEND_REMOTE_REF data. */ struct got_imsg_send_remote_ref { struct got_object_id id; size_t name_len; /* Followed by name_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_SEND_REF_STATUS data. */ struct got_imsg_send_ref_status { int success; size_t name_len; size_t errmsg_len; /* Followed by name_len data bytes. */ /* Followed by errmsg_len data bytes. */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_IDXPACK_REQUEST data. */ struct got_imsg_index_pack_request { uint8_t pack_hash[SHA1_DIGEST_LENGTH]; } __attribute__((__packed__)); /* Structure for GOT_IMSG_IDXPACK_PROGRESS data. */ struct got_imsg_index_pack_progress { /* Total number of objects in pack file. */ int nobj_total; /* Number of objects indexed so far. */ int nobj_indexed; /* Number of non-deltified objects in pack file. */ int nobj_loose; /* Number of deltified objects resolved so far. */ int nobj_resolved; }; /* Structure for GOT_IMSG_PACKIDX. */ struct got_imsg_packidx { size_t len; off_t packfile_size; /* Additionally, a file desciptor is passed via imsg. */ }; /* Structure for GOT_IMSG_PACK. */ struct got_imsg_pack { char path_packfile[PATH_MAX]; off_t filesize; /* Additionally, a file desciptor is passed via imsg. */ } __attribute__((__packed__)); /* * Structure for GOT_IMSG_OBJECT_REQUEST, GOT_IMSG_BLOB_REQUEST, * GOT_IMSG_TREE_REQUEST, GOT_IMSG_COMMIT_REQUEST, and * GOT_IMSG_TAG_REQUEST data. */ struct got_object_id; /* * Structure for GOT_IMSG_PACKED_OBJECT_REQUEST and * GOT_IMSG_PACKED_RAW_OBJECT_REQUEST data. */ struct got_imsg_packed_object { struct got_object_id id; int idx; } __attribute__((__packed__)); /* * Structure for GOT_IMSG_DELTA data. */ struct got_imsg_delta { /* These fields are the same as in struct got_delta. */ off_t offset; size_t tslen; int type; size_t size; off_t data_offset; }; /* * Structure for GOT_IMSG_RAW_DELTA_REQUEST data. */ struct got_imsg_raw_delta_request { struct got_object_id id; int idx; }; /* * Structure for GOT_IMSG_OBJ_ID_LIST data. * Multiple such messages may be sent back-to-back, where each message * contains a chunk of IDs. The entire list must be terminated with a * GOT_IMSG_OBJ_ID_LIST_DONE message. */ struct got_imsg_object_idlist { size_t nids; /* * Followed by nids * struct got_object_id. */ #define GOT_IMSG_OBJ_ID_LIST_MAX_NIDS \ ((MAX_IMSGSIZE - IMSG_HEADER_SIZE - \ sizeof(struct got_imsg_object_idlist)) / sizeof(struct got_object_id)) }; /* Structure for GOT_IMSG_COMMIT_TRAVERSAL_REQUEST */ struct got_imsg_commit_traversal_request { struct got_imsg_packed_object iobj; size_t path_len; /* Followed by path_len bytes of path data */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_TRAVERSED_COMMITS */ struct got_imsg_traversed_commits { size_t ncommits; /* Followed by ncommit struct got_object_id */ } __attribute__((__packed__)); /* Structure for GOT_IMSG_ENUMERATED_COMMIT */ struct got_imsg_enumerated_commit { uint8_t id[SHA1_DIGEST_LENGTH]; time_t mtime; } __attribute__((__packed__)); /* Structure for GOT_IMSG_ENUMERATED_TREE */ struct got_imsg_enumerated_tree { uint8_t id[SHA1_DIGEST_LENGTH]; /* tree ID */ int nentries; /* number of tree entries */ /* Followed by tree's path in remaining data of imsg buffer. */ /* Followed by nentries * GOT_IMSG_TREE_ENTRY messages. */ } __attribute__((__packed__)); /* * Structure for GOT_IMSG_GOTCONFIG_REMOTE and * GOT_IMSG_GOTCONFIG_REMOTE data. */ struct got_imsg_remote { size_t name_len; size_t fetch_url_len; size_t send_url_len; int mirror_references; int fetch_all_branches; int nfetch_branches; int nsend_branches; int nfetch_refs; /* Followed by name_len data bytes. */ /* Followed by fetch_url_len + send_url_len data bytes. */ /* Followed by nfetch_branches GOT_IMSG_GITCONFIG_STR_VAL messages. */ /* Followed by nsend_branches GOT_IMSG_GITCONFIG_STR_VAL messages. */ /* Followed by nfetch_refs GOT_IMSG_GITCONFIG_STR_VAL messages. */ } __attribute__((__packed__)); /* * Structure for GOT_IMSG_GITCONFIG_REMOTES data. */ struct got_imsg_remotes { int nremotes; /* This many GOT_IMSG_GITCONFIG_REMOTE messages follow. */ }; /* * Structure for GOT_IMSG_GITCONFIG_PAIR. */ struct got_imsg_gitconfig_pair { size_t klen; size_t vlen; /* Followed by klen data bytes of key string. */ /* Followed by vlen data bytes of value string. */ }; /* * Structure for GOT_IMSG_PATCH data. */ struct got_imsg_patch { int git; int xbit; char old[PATH_MAX]; char new[PATH_MAX]; char cid[41]; char blob[41]; }; /* * Structure for GOT_IMSG_PATCH_HUNK data. */ struct got_imsg_patch_hunk { int oldfrom; int oldlines; int newfrom; int newlines; }; struct got_remote_repo; struct got_pack; struct got_packidx; struct got_pathlist_head; const struct got_error *got_send_ack(pid_t); const struct got_error *got_privsep_wait_for_child(pid_t); const struct got_error *got_privsep_flush_imsg(struct imsgbuf *); const struct got_error *got_privsep_send_stop(int); const struct got_error *got_privsep_recv_imsg(struct imsg *, struct imsgbuf *, size_t); void got_privsep_send_error(struct imsgbuf *, const struct got_error *); const struct got_error *got_privsep_send_ack(struct imsgbuf *); const struct got_error *got_privsep_wait_ack(struct imsgbuf *); const struct got_error *got_privsep_send_obj_req(struct imsgbuf *, int, struct got_object_id *); const struct got_error *got_privsep_send_raw_obj_req(struct imsgbuf *, int, struct got_object_id *); const struct got_error *got_privsep_send_raw_obj_outfd(struct imsgbuf *, int); const struct got_error *got_privsep_send_commit_req(struct imsgbuf *, int, struct got_object_id *, int); const struct got_error *got_privsep_send_tree_req(struct imsgbuf *, int, struct got_object_id *, int); const struct got_error *got_privsep_send_tag_req(struct imsgbuf *, int, struct got_object_id *, int); const struct got_error *got_privsep_send_blob_req(struct imsgbuf *, int, struct got_object_id *, int); const struct got_error *got_privsep_send_blob_outfd(struct imsgbuf *, int); const struct got_error *got_privsep_send_tmpfd(struct imsgbuf *, int); const struct got_error *got_privsep_send_obj(struct imsgbuf *, struct got_object *); const struct got_error *got_privsep_send_index_pack_req(struct imsgbuf *, uint8_t *, int); const struct got_error *got_privsep_send_index_pack_outfd(struct imsgbuf *, int); const struct got_error *got_privsep_recv_index_progress(int *, int *, int *, int *, int *, struct imsgbuf *ibuf); const struct got_error *got_privsep_send_fetch_req(struct imsgbuf *, int, struct got_pathlist_head *, int, struct got_pathlist_head *, struct got_pathlist_head *, int, const char *, const char *, int, int); const struct got_error *got_privsep_send_fetch_outfd(struct imsgbuf *, int); const struct got_error *got_privsep_recv_fetch_progress(int *, struct got_object_id **, char **, struct got_pathlist_head *, char **, off_t *, uint8_t *, struct imsgbuf *); const struct got_error *got_privsep_send_send_req(struct imsgbuf *, int, struct got_pathlist_head *, struct got_pathlist_head *, int); const struct got_error *got_privsep_recv_send_remote_refs( struct got_pathlist_head *, struct imsgbuf *); const struct got_error *got_privsep_send_packfd(struct imsgbuf *, int); const struct got_error *got_privsep_recv_send_progress(int *, off_t *, int *, char **, char **, struct imsgbuf *); const struct got_error *got_privsep_get_imsg_obj(struct got_object **, struct imsg *, struct imsgbuf *); const struct got_error *got_privsep_recv_obj(struct got_object **, struct imsgbuf *); const struct got_error *got_privsep_send_raw_obj(struct imsgbuf *, off_t, size_t, uint8_t *); const struct got_error *got_privsep_recv_raw_obj(uint8_t **, off_t *, size_t *, struct imsgbuf *); const struct got_error *got_privsep_send_commit(struct imsgbuf *, struct got_commit_object *); const struct got_error *got_privsep_recv_commit(struct got_commit_object **, struct imsgbuf *); const struct got_error *got_privsep_recv_tree(struct got_tree_object **, struct imsgbuf *); struct got_parsed_tree_entry; const struct got_error *got_privsep_send_tree(struct imsgbuf *, struct got_parsed_tree_entry *, int); const struct got_error *got_privsep_send_blob(struct imsgbuf *, size_t, size_t, const uint8_t *); const struct got_error *got_privsep_recv_blob(uint8_t **, size_t *, size_t *, struct imsgbuf *); const struct got_error *got_privsep_send_tag(struct imsgbuf *, struct got_tag_object *); const struct got_error *got_privsep_recv_tag(struct got_tag_object **, struct imsgbuf *); const struct got_error *got_privsep_init_pack_child(struct imsgbuf *, struct got_pack *, struct got_packidx *); const struct got_error *got_privsep_send_packed_obj_req(struct imsgbuf *, int, struct got_object_id *); const struct got_error *got_privsep_send_packed_raw_obj_req(struct imsgbuf *, int, struct got_object_id *); const struct got_error *got_privsep_send_pack_child_ready(struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_parse_req(struct imsgbuf *, int); const struct got_error * got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_repository_extensions_req( struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_author_name_req( struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_author_email_req( struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_remotes_req( struct imsgbuf *); const struct got_error *got_privsep_send_gitconfig_owner_req(struct imsgbuf *); const struct got_error *got_privsep_recv_gitconfig_str(char **, struct imsgbuf *); const struct got_error *got_privsep_recv_gitconfig_pair(char **, char **, struct imsgbuf *); const struct got_error *got_privsep_recv_gitconfig_int(int *, struct imsgbuf *); const struct got_error *got_privsep_recv_gitconfig_remotes( struct got_remote_repo **, int *, struct imsgbuf *); const struct got_error *got_privsep_send_gotconfig_parse_req(struct imsgbuf *, int); const struct got_error *got_privsep_send_gotconfig_author_req(struct imsgbuf *); const struct got_error *got_privsep_send_gotconfig_allowed_signers_req( struct imsgbuf *); const struct got_error *got_privsep_send_gotconfig_revoked_signers_req( struct imsgbuf *); const struct got_error *got_privsep_send_gotconfig_signer_id_req( struct imsgbuf *); const struct got_error *got_privsep_send_gotconfig_remotes_req( struct imsgbuf *); const struct got_error *got_privsep_recv_gotconfig_str(char **, struct imsgbuf *); const struct got_error *got_privsep_recv_gotconfig_remotes( struct got_remote_repo **, int *, struct imsgbuf *); const struct got_error *got_privsep_send_commit_traversal_request( struct imsgbuf *, struct got_object_id *, int, const char *); const struct got_error *got_privsep_recv_traversed_commits( struct got_commit_object **, struct got_object_id **, struct got_object_id_queue *, struct imsgbuf *); const struct got_error *got_privsep_send_enumerated_tree(size_t *, struct imsgbuf *, struct got_object_id *, const char *, struct got_parsed_tree_entry *, int); const struct got_error *got_privsep_send_object_enumeration_request( struct imsgbuf *); const struct got_error *got_privsep_send_object_enumeration_done( struct imsgbuf *); const struct got_error *got_privsep_send_object_enumeration_incomplete( struct imsgbuf *); const struct got_error *got_privsep_send_enumerated_commit(struct imsgbuf *, struct got_object_id *, time_t); const struct got_error *got_privsep_recv_enumerated_objects(int *, struct imsgbuf *, got_object_enumerate_commit_cb, got_object_enumerate_tree_cb, void *, struct got_repository *); const struct got_error *got_privsep_send_raw_delta_req(struct imsgbuf *, int, struct got_object_id *); const struct got_error *got_privsep_send_raw_delta_outfd(struct imsgbuf *, int); const struct got_error *got_privsep_send_raw_delta(struct imsgbuf *, uint64_t, uint64_t, off_t, off_t, off_t, off_t, struct got_object_id *); const struct got_error *got_privsep_recv_raw_delta(uint64_t *, uint64_t *, off_t *, off_t *, off_t *, off_t *, struct got_object_id **, struct imsgbuf *); const struct got_error *got_privsep_send_object_idlist(struct imsgbuf *, struct got_object_id **, size_t); const struct got_error *got_privsep_send_object_idlist_done(struct imsgbuf *); const struct got_error *got_privsep_recv_object_idlist(int *, struct got_object_id **, size_t *, struct imsgbuf *); const struct got_error *got_privsep_send_delta_reuse_req(struct imsgbuf *); const struct got_error *got_privsep_send_reused_deltas(struct imsgbuf *, struct got_imsg_reused_delta *, size_t); const struct got_error *got_privsep_send_reused_deltas_done(struct imsgbuf *); const struct got_error *got_privsep_recv_reused_deltas(int *, struct got_imsg_reused_delta *, size_t *, struct imsgbuf *); const struct got_error *got_privsep_init_commit_painting(struct imsgbuf *); const struct got_error *got_privsep_send_painting_request(struct imsgbuf *, int, struct got_object_id *, intptr_t); typedef const struct got_error *(*got_privsep_recv_painted_commit_cb)(void *, struct got_object_id *, intptr_t); const struct got_error *got_privsep_send_painted_commits(struct imsgbuf *, struct got_object_id_queue *, int *, int, int); const struct got_error *got_privsep_send_painting_commits_done(struct imsgbuf *); const struct got_error *got_privsep_recv_painted_commits( struct got_object_id_queue *, got_privsep_recv_painted_commit_cb, void *, struct imsgbuf *); void got_privsep_exec_child(int[2], const char *, const char *);