Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 1 | #include "builtin.h" |
| 2 | #include "commit.h" |
| 3 | #include "refs.h" |
| 4 | #include "pkt-line.h" |
| 5 | #include "sideband.h" |
| 6 | #include "run-command.h" |
| 7 | #include "remote.h" |
Junio C Hamano | 47a5918 | 2013-07-08 13:56:53 -0700 | [diff] [blame] | 8 | #include "connect.h" |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 9 | #include "send-pack.h" |
| 10 | #include "quote.h" |
| 11 | #include "transport.h" |
| 12 | #include "version.h" |
Nguyễn Thái Ngọc Duy | 13eb462 | 2013-12-05 20:02:29 +0700 | [diff] [blame] | 13 | #include "sha1-array.h" |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 14 | #include "gpg-interface.h" |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 15 | #include "cache.h" |
| 16 | |
| 17 | int option_parse_push_signed(const struct option *opt, |
| 18 | const char *arg, int unset) |
| 19 | { |
| 20 | if (unset) { |
| 21 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; |
| 22 | return 0; |
| 23 | } |
| 24 | switch (git_parse_maybe_bool(arg)) { |
| 25 | case 1: |
| 26 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_ALWAYS; |
| 27 | return 0; |
| 28 | case 0: |
| 29 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; |
| 30 | return 0; |
| 31 | } |
| 32 | if (!strcasecmp("if-asked", arg)) { |
| 33 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_IF_ASKED; |
| 34 | return 0; |
| 35 | } |
| 36 | die("bad %s argument: %s", opt->long_name, arg); |
| 37 | } |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 38 | |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 39 | static void feed_object(const unsigned char *sha1, FILE *fh, int negative) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 40 | { |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 41 | if (negative && !has_sha1_file(sha1)) |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 42 | return; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 43 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 44 | if (negative) |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 45 | putc('^', fh); |
| 46 | fputs(sha1_to_hex(sha1), fh); |
| 47 | putc('\n', fh); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | /* |
| 51 | * Make a pack stream and spit it out into file descriptor fd |
| 52 | */ |
Nguyễn Thái Ngọc Duy | 13eb462 | 2013-12-05 20:02:29 +0700 | [diff] [blame] | 53 | static int pack_objects(int fd, struct ref *refs, struct sha1_array *extra, struct send_pack_args *args) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 54 | { |
| 55 | /* |
| 56 | * The child becomes pack-objects --revs; we feed |
| 57 | * the revision parameters to it via its stdin and |
| 58 | * let its stdout go back to the other end. |
| 59 | */ |
| 60 | const char *argv[] = { |
| 61 | "pack-objects", |
| 62 | "--all-progress-implied", |
| 63 | "--revs", |
| 64 | "--stdout", |
| 65 | NULL, |
| 66 | NULL, |
| 67 | NULL, |
| 68 | NULL, |
| 69 | NULL, |
brian m. carlson | 2dacf26 | 2014-12-24 23:05:40 +0000 | [diff] [blame] | 70 | NULL, |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 71 | }; |
René Scharfe | d318027 | 2014-08-19 21:09:35 +0200 | [diff] [blame] | 72 | struct child_process po = CHILD_PROCESS_INIT; |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 73 | FILE *po_in; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 74 | int i; |
| 75 | |
| 76 | i = 4; |
| 77 | if (args->use_thin_pack) |
| 78 | argv[i++] = "--thin"; |
| 79 | if (args->use_ofs_delta) |
| 80 | argv[i++] = "--delta-base-offset"; |
| 81 | if (args->quiet || !args->progress) |
| 82 | argv[i++] = "-q"; |
| 83 | if (args->progress) |
| 84 | argv[i++] = "--progress"; |
brian m. carlson | 2dacf26 | 2014-12-24 23:05:40 +0000 | [diff] [blame] | 85 | if (is_repository_shallow()) |
| 86 | argv[i++] = "--shallow"; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 87 | po.argv = argv; |
| 88 | po.in = -1; |
| 89 | po.out = args->stateless_rpc ? -1 : fd; |
| 90 | po.git_cmd = 1; |
| 91 | if (start_command(&po)) |
| 92 | die_errno("git pack-objects failed"); |
| 93 | |
| 94 | /* |
| 95 | * We feed the pack-objects we just spawned with revision |
| 96 | * parameters by writing to the pipe. |
| 97 | */ |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 98 | po_in = xfdopen(po.in, "w"); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 99 | for (i = 0; i < extra->nr; i++) |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 100 | feed_object(extra->sha1[i], po_in, 1); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 101 | |
| 102 | while (refs) { |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 103 | if (!is_null_oid(&refs->old_oid)) |
| 104 | feed_object(refs->old_oid.hash, po_in, 1); |
| 105 | if (!is_null_oid(&refs->new_oid)) |
| 106 | feed_object(refs->new_oid.hash, po_in, 0); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 107 | refs = refs->next; |
| 108 | } |
| 109 | |
Jeff King | f0bca72 | 2016-06-08 15:42:16 -0400 | [diff] [blame] | 110 | fflush(po_in); |
| 111 | if (ferror(po_in)) |
| 112 | die_errno("error writing to pack-objects"); |
| 113 | fclose(po_in); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 114 | |
| 115 | if (args->stateless_rpc) { |
| 116 | char *buf = xmalloc(LARGE_PACKET_MAX); |
| 117 | while (1) { |
| 118 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); |
| 119 | if (n <= 0) |
| 120 | break; |
| 121 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); |
| 122 | } |
| 123 | free(buf); |
| 124 | close(po.out); |
| 125 | po.out = -1; |
| 126 | } |
| 127 | |
| 128 | if (finish_command(&po)) |
| 129 | return -1; |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | static int receive_status(int in, struct ref *refs) |
| 134 | { |
| 135 | struct ref *hint; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 136 | int ret = 0; |
Jeff King | 74543a0 | 2013-02-20 15:02:57 -0500 | [diff] [blame] | 137 | char *line = packet_read_line(in, NULL); |
Christian Couder | 5955654 | 2013-11-30 21:55:40 +0100 | [diff] [blame] | 138 | if (!starts_with(line, "unpack ")) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 139 | return error("did not receive remote status"); |
Jeff King | 819b929 | 2013-02-20 15:02:28 -0500 | [diff] [blame] | 140 | if (strcmp(line, "unpack ok")) { |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 141 | error("unpack failed: %s", line + 7); |
| 142 | ret = -1; |
| 143 | } |
| 144 | hint = NULL; |
| 145 | while (1) { |
| 146 | char *refname; |
| 147 | char *msg; |
Jeff King | 74543a0 | 2013-02-20 15:02:57 -0500 | [diff] [blame] | 148 | line = packet_read_line(in, NULL); |
| 149 | if (!line) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 150 | break; |
Christian Couder | 5955654 | 2013-11-30 21:55:40 +0100 | [diff] [blame] | 151 | if (!starts_with(line, "ok ") && !starts_with(line, "ng ")) { |
Jeff King | 8f9e3e4 | 2013-02-20 15:00:43 -0500 | [diff] [blame] | 152 | error("invalid ref status from remote: %s", line); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 153 | ret = -1; |
| 154 | break; |
| 155 | } |
| 156 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 157 | refname = line + 3; |
| 158 | msg = strchr(refname, ' '); |
| 159 | if (msg) |
| 160 | *msg++ = '\0'; |
| 161 | |
| 162 | /* first try searching at our hint, falling back to all refs */ |
| 163 | if (hint) |
| 164 | hint = find_ref_by_name(hint, refname); |
| 165 | if (!hint) |
| 166 | hint = find_ref_by_name(refs, refname); |
| 167 | if (!hint) { |
| 168 | warning("remote reported status on unknown ref: %s", |
| 169 | refname); |
| 170 | continue; |
| 171 | } |
| 172 | if (hint->status != REF_STATUS_EXPECTING_REPORT) { |
| 173 | warning("remote reported status on unexpected ref: %s", |
| 174 | refname); |
| 175 | continue; |
| 176 | } |
| 177 | |
| 178 | if (line[0] == 'o' && line[1] == 'k') |
| 179 | hint->status = REF_STATUS_OK; |
| 180 | else { |
| 181 | hint->status = REF_STATUS_REMOTE_REJECT; |
| 182 | ret = -1; |
| 183 | } |
Junio C Hamano | 13092a9 | 2016-10-12 11:20:23 -0700 | [diff] [blame] | 184 | hint->remote_status = xstrdup_or_null(msg); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 185 | /* start our next search from the next ref */ |
| 186 | hint = hint->next; |
| 187 | } |
| 188 | return ret; |
| 189 | } |
| 190 | |
| 191 | static int sideband_demux(int in, int out, void *data) |
| 192 | { |
| 193 | int *fd = data, ret; |
| 194 | #ifdef NO_PTHREADS |
| 195 | close(fd[1]); |
| 196 | #endif |
| 197 | ret = recv_sideband("send-pack", fd[0], out); |
| 198 | close(out); |
| 199 | return ret; |
| 200 | } |
| 201 | |
Nguyễn Thái Ngọc Duy | f2c681c | 2013-12-05 20:02:52 +0700 | [diff] [blame] | 202 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) |
| 203 | { |
| 204 | struct strbuf *sb = cb; |
| 205 | if (graft->nr_parent == -1) |
brian m. carlson | 7683e2e | 2015-03-13 23:39:34 +0000 | [diff] [blame] | 206 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); |
Nguyễn Thái Ngọc Duy | f2c681c | 2013-12-05 20:02:52 +0700 | [diff] [blame] | 207 | return 0; |
| 208 | } |
| 209 | |
Ramsay Jones | 16a2743 | 2014-01-05 23:55:01 +0000 | [diff] [blame] | 210 | static void advertise_shallow_grafts_buf(struct strbuf *sb) |
Nguyễn Thái Ngọc Duy | f2c681c | 2013-12-05 20:02:52 +0700 | [diff] [blame] | 211 | { |
| 212 | if (!is_repository_shallow()) |
| 213 | return; |
| 214 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); |
| 215 | } |
| 216 | |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 217 | #define CHECK_REF_NO_PUSH -1 |
| 218 | #define CHECK_REF_STATUS_REJECTED -2 |
| 219 | #define CHECK_REF_UPTODATE -3 |
| 220 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) |
Junio C Hamano | e40671a | 2014-08-12 15:40:00 -0700 | [diff] [blame] | 221 | { |
| 222 | if (!ref->peer_ref && !args->send_mirror) |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 223 | return CHECK_REF_NO_PUSH; |
Junio C Hamano | e40671a | 2014-08-12 15:40:00 -0700 | [diff] [blame] | 224 | |
| 225 | /* Check for statuses set by set_ref_status_for_push() */ |
| 226 | switch (ref->status) { |
| 227 | case REF_STATUS_REJECT_NONFASTFORWARD: |
| 228 | case REF_STATUS_REJECT_ALREADY_EXISTS: |
| 229 | case REF_STATUS_REJECT_FETCH_FIRST: |
| 230 | case REF_STATUS_REJECT_NEEDS_FORCE: |
| 231 | case REF_STATUS_REJECT_STALE: |
| 232 | case REF_STATUS_REJECT_NODELETE: |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 233 | return CHECK_REF_STATUS_REJECTED; |
Junio C Hamano | e40671a | 2014-08-12 15:40:00 -0700 | [diff] [blame] | 234 | case REF_STATUS_UPTODATE: |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 235 | return CHECK_REF_UPTODATE; |
Junio C Hamano | e40671a | 2014-08-12 15:40:00 -0700 | [diff] [blame] | 236 | default: |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 237 | return 0; |
Junio C Hamano | e40671a | 2014-08-12 15:40:00 -0700 | [diff] [blame] | 238 | } |
| 239 | } |
| 240 | |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 241 | /* |
| 242 | * the beginning of the next line, or the end of buffer. |
| 243 | * |
| 244 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and |
| 245 | * convert many similar uses found by "git grep -A4 memchr". |
| 246 | */ |
| 247 | static const char *next_line(const char *line, size_t len) |
| 248 | { |
| 249 | const char *nl = memchr(line, '\n', len); |
| 250 | if (!nl) |
| 251 | return line + len; /* incomplete line */ |
| 252 | return nl + 1; |
| 253 | } |
| 254 | |
Junio C Hamano | 20a7558 | 2014-08-18 13:46:58 -0700 | [diff] [blame] | 255 | static int generate_push_cert(struct strbuf *req_buf, |
| 256 | const struct ref *remote_refs, |
| 257 | struct send_pack_args *args, |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 258 | const char *cap_string, |
| 259 | const char *push_cert_nonce) |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 260 | { |
| 261 | const struct ref *ref; |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 262 | struct string_list_item *item; |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 263 | char *signing_key = xstrdup(get_signing_key()); |
| 264 | const char *cp, *np; |
| 265 | struct strbuf cert = STRBUF_INIT; |
| 266 | int update_seen = 0; |
| 267 | |
René Scharfe | 02962d3 | 2016-07-30 19:36:23 +0200 | [diff] [blame] | 268 | strbuf_addstr(&cert, "certificate version 0.1\n"); |
Junio C Hamano | fb06b52 | 2014-10-08 13:05:15 -0700 | [diff] [blame] | 269 | strbuf_addf(&cert, "pusher %s ", signing_key); |
| 270 | datestamp(&cert); |
| 271 | strbuf_addch(&cert, '\n'); |
Junio C Hamano | 9be8916 | 2014-08-22 18:15:24 -0700 | [diff] [blame] | 272 | if (args->url && *args->url) { |
| 273 | char *anon_url = transport_anonymize_url(args->url); |
| 274 | strbuf_addf(&cert, "pushee %s\n", anon_url); |
| 275 | free(anon_url); |
| 276 | } |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 277 | if (push_cert_nonce[0]) |
| 278 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 279 | if (args->push_options) |
| 280 | for_each_string_list_item(item, args->push_options) |
| 281 | strbuf_addf(&cert, "push-option %s\n", item->string); |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 282 | strbuf_addstr(&cert, "\n"); |
| 283 | |
| 284 | for (ref = remote_refs; ref; ref = ref->next) { |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 285 | if (check_to_send_update(ref, args) < 0) |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 286 | continue; |
| 287 | update_seen = 1; |
| 288 | strbuf_addf(&cert, "%s %s %s\n", |
brian m. carlson | f4e54d0 | 2015-11-10 02:22:20 +0000 | [diff] [blame] | 289 | oid_to_hex(&ref->old_oid), |
| 290 | oid_to_hex(&ref->new_oid), |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 291 | ref->name); |
| 292 | } |
| 293 | if (!update_seen) |
| 294 | goto free_return; |
| 295 | |
| 296 | if (sign_buffer(&cert, &cert, signing_key)) |
| 297 | die(_("failed to sign the push certificate")); |
| 298 | |
Junio C Hamano | 20a7558 | 2014-08-18 13:46:58 -0700 | [diff] [blame] | 299 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 300 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { |
| 301 | np = next_line(cp, cert.buf + cert.len - cp); |
| 302 | packet_buf_write(req_buf, |
| 303 | "%.*s", (int)(np - cp), cp); |
| 304 | } |
| 305 | packet_buf_write(req_buf, "push-cert-end\n"); |
| 306 | |
| 307 | free_return: |
| 308 | free(signing_key); |
| 309 | strbuf_release(&cert); |
Junio C Hamano | 20a7558 | 2014-08-18 13:46:58 -0700 | [diff] [blame] | 310 | return update_seen; |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 311 | } |
| 312 | |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 313 | |
| 314 | static int atomic_push_failure(struct send_pack_args *args, |
| 315 | struct ref *remote_refs, |
| 316 | struct ref *failing_ref) |
| 317 | { |
| 318 | struct ref *ref; |
| 319 | /* Mark other refs as failed */ |
| 320 | for (ref = remote_refs; ref; ref = ref->next) { |
| 321 | if (!ref->peer_ref && !args->send_mirror) |
| 322 | continue; |
| 323 | |
| 324 | switch (ref->status) { |
| 325 | case REF_STATUS_EXPECTING_REPORT: |
| 326 | ref->status = REF_STATUS_ATOMIC_PUSH_FAILED; |
| 327 | continue; |
| 328 | default: |
| 329 | break; /* do nothing */ |
| 330 | } |
| 331 | } |
| 332 | return error("atomic push failed for ref %s. status: %d\n", |
| 333 | failing_ref->name, failing_ref->status); |
| 334 | } |
| 335 | |
Junio C Hamano | afcb6ee | 2015-04-01 18:00:36 -0700 | [diff] [blame] | 336 | #define NONCE_LEN_LIMIT 256 |
| 337 | |
| 338 | static void reject_invalid_nonce(const char *nonce, int len) |
| 339 | { |
| 340 | int i = 0; |
| 341 | |
| 342 | if (NONCE_LEN_LIMIT <= len) |
| 343 | die("the receiving end asked to sign an invalid nonce <%.*s>", |
| 344 | len, nonce); |
| 345 | |
| 346 | for (i = 0; i < len; i++) { |
| 347 | int ch = nonce[i] & 0xFF; |
| 348 | if (isalnum(ch) || |
| 349 | ch == '-' || ch == '.' || |
| 350 | ch == '/' || ch == '+' || |
| 351 | ch == '=' || ch == '_') |
| 352 | continue; |
| 353 | die("the receiving end asked to sign an invalid nonce <%.*s>", |
| 354 | len, nonce); |
| 355 | } |
| 356 | } |
| 357 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 358 | int send_pack(struct send_pack_args *args, |
| 359 | int fd[], struct child_process *conn, |
| 360 | struct ref *remote_refs, |
Nguyễn Thái Ngọc Duy | 13eb462 | 2013-12-05 20:02:29 +0700 | [diff] [blame] | 361 | struct sha1_array *extra_have) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 362 | { |
| 363 | int in = fd[0]; |
| 364 | int out = fd[1]; |
| 365 | struct strbuf req_buf = STRBUF_INIT; |
Junio C Hamano | 887f353 | 2014-08-15 11:37:01 -0700 | [diff] [blame] | 366 | struct strbuf cap_buf = STRBUF_INIT; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 367 | struct ref *ref; |
Junio C Hamano | ab2b0c9 | 2014-08-15 12:23:51 -0700 | [diff] [blame] | 368 | int need_pack_data = 0; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 369 | int allow_deleting_refs = 0; |
| 370 | int status_report = 0; |
| 371 | int use_sideband = 0; |
| 372 | int quiet_supported = 0; |
| 373 | int agent_supported = 0; |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 374 | int use_atomic = 0; |
| 375 | int atomic_supported = 0; |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 376 | int use_push_options = 0; |
| 377 | int push_options_supported = 0; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 378 | unsigned cmds_sent = 0; |
| 379 | int ret; |
| 380 | struct async demux; |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 381 | const char *push_cert_nonce = NULL; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 382 | |
| 383 | /* Does the other end support the reporting? */ |
| 384 | if (server_supports("report-status")) |
| 385 | status_report = 1; |
| 386 | if (server_supports("delete-refs")) |
| 387 | allow_deleting_refs = 1; |
| 388 | if (server_supports("ofs-delta")) |
| 389 | args->use_ofs_delta = 1; |
| 390 | if (server_supports("side-band-64k")) |
| 391 | use_sideband = 1; |
| 392 | if (server_supports("quiet")) |
| 393 | quiet_supported = 1; |
| 394 | if (server_supports("agent")) |
| 395 | agent_supported = 1; |
Carlos Martín Nieto | 1ba98a7 | 2013-11-23 17:07:55 +0100 | [diff] [blame] | 396 | if (server_supports("no-thin")) |
| 397 | args->use_thin_pack = 0; |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 398 | if (server_supports("atomic")) |
| 399 | atomic_supported = 1; |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 400 | if (server_supports("push-options")) |
| 401 | push_options_supported = 1; |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 402 | |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 403 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { |
| 404 | int len; |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 405 | push_cert_nonce = server_feature_value("push-cert", &len); |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 406 | if (push_cert_nonce) { |
| 407 | reject_invalid_nonce(push_cert_nonce, len); |
| 408 | push_cert_nonce = xmemdupz(push_cert_nonce, len); |
| 409 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 410 | die(_("the receiving end does not support --signed push")); |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 411 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { |
| 412 | warning(_("not sending a push certificate since the" |
| 413 | " receiving end does not support --signed" |
| 414 | " push")); |
| 415 | } |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 416 | } |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 417 | |
| 418 | if (!remote_refs) { |
| 419 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" |
| 420 | "Perhaps you should specify a branch such as 'master'.\n"); |
| 421 | return 0; |
| 422 | } |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 423 | if (args->atomic && !atomic_supported) |
Ralf Thielow | c8b8f22 | 2015-04-02 19:28:48 +0200 | [diff] [blame] | 424 | die(_("the receiving end does not support --atomic push")); |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 425 | |
| 426 | use_atomic = atomic_supported && args->atomic; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 427 | |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 428 | if (args->push_options && !push_options_supported) |
| 429 | die(_("the receiving end does not support push options")); |
| 430 | |
| 431 | use_push_options = push_options_supported && args->push_options; |
| 432 | |
Junio C Hamano | 887f353 | 2014-08-15 11:37:01 -0700 | [diff] [blame] | 433 | if (status_report) |
| 434 | strbuf_addstr(&cap_buf, " report-status"); |
| 435 | if (use_sideband) |
| 436 | strbuf_addstr(&cap_buf, " side-band-64k"); |
| 437 | if (quiet_supported && (args->quiet || !args->progress)) |
| 438 | strbuf_addstr(&cap_buf, " quiet"); |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 439 | if (use_atomic) |
| 440 | strbuf_addstr(&cap_buf, " atomic"); |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 441 | if (use_push_options) |
| 442 | strbuf_addstr(&cap_buf, " push-options"); |
Junio C Hamano | 887f353 | 2014-08-15 11:37:01 -0700 | [diff] [blame] | 443 | if (agent_supported) |
| 444 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); |
| 445 | |
Junio C Hamano | 621b059 | 2014-08-12 15:04:17 -0700 | [diff] [blame] | 446 | /* |
| 447 | * NEEDSWORK: why does delete-refs have to be so specific to |
| 448 | * send-pack machinery that set_ref_status_for_push() cannot |
| 449 | * set this bit for us??? |
| 450 | */ |
| 451 | for (ref = remote_refs; ref; ref = ref->next) |
| 452 | if (ref->deletion && !allow_deleting_refs) |
| 453 | ref->status = REF_STATUS_REJECT_NODELETE; |
| 454 | |
Nguyễn Thái Ngọc Duy | 5dbd767 | 2013-12-05 20:02:44 +0700 | [diff] [blame] | 455 | if (!args->dry_run) |
Nguyễn Thái Ngọc Duy | f2c681c | 2013-12-05 20:02:52 +0700 | [diff] [blame] | 456 | advertise_shallow_grafts_buf(&req_buf); |
Nguyễn Thái Ngọc Duy | 5dbd767 | 2013-12-05 20:02:44 +0700 | [diff] [blame] | 457 | |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 458 | if (!args->dry_run && push_cert_nonce) |
Junio C Hamano | 20a7558 | 2014-08-18 13:46:58 -0700 | [diff] [blame] | 459 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, |
Junio C Hamano | b89363e | 2014-08-21 16:45:30 -0700 | [diff] [blame] | 460 | cap_buf.buf, push_cert_nonce); |
Junio C Hamano | a85b377 | 2014-09-12 11:17:07 -0700 | [diff] [blame] | 461 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 462 | /* |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 463 | * Clear the status for each ref and see if we need to send |
| 464 | * the pack data. |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 465 | */ |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 466 | for (ref = remote_refs; ref; ref = ref->next) { |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 467 | switch (check_to_send_update(ref, args)) { |
| 468 | case 0: /* no error */ |
| 469 | break; |
| 470 | case CHECK_REF_STATUS_REJECTED: |
| 471 | /* |
| 472 | * When we know the server would reject a ref update if |
| 473 | * we were to send it and we're trying to send the refs |
| 474 | * atomically, abort the whole operation. |
| 475 | */ |
| 476 | if (use_atomic) |
| 477 | return atomic_push_failure(args, remote_refs, ref); |
| 478 | /* Fallthrough for non atomic case. */ |
| 479 | default: |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 480 | continue; |
Ronnie Sahlberg | 4ff17f1 | 2015-01-07 19:23:22 -0800 | [diff] [blame] | 481 | } |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 482 | if (!ref->deletion) |
Junio C Hamano | ab2b0c9 | 2014-08-15 12:23:51 -0700 | [diff] [blame] | 483 | need_pack_data = 1; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 484 | |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 485 | if (args->dry_run || !status_report) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 486 | ref->status = REF_STATUS_OK; |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 487 | else |
| 488 | ref->status = REF_STATUS_EXPECTING_REPORT; |
| 489 | } |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 490 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 491 | /* |
| 492 | * Finally, tell the other end! |
| 493 | */ |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 494 | for (ref = remote_refs; ref; ref = ref->next) { |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 495 | char *old_hex, *new_hex; |
| 496 | |
Dave Borowitz | 3026109 | 2015-08-19 11:26:46 -0400 | [diff] [blame] | 497 | if (args->dry_run || push_cert_nonce) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 498 | continue; |
| 499 | |
Stefan Beller | 7582e93 | 2015-01-07 19:23:21 -0800 | [diff] [blame] | 500 | if (check_to_send_update(ref, args) < 0) |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 501 | continue; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 502 | |
brian m. carlson | f4e54d0 | 2015-11-10 02:22:20 +0000 | [diff] [blame] | 503 | old_hex = oid_to_hex(&ref->old_oid); |
| 504 | new_hex = oid_to_hex(&ref->new_oid); |
Junio C Hamano | c67072b | 2014-08-19 13:02:19 -0700 | [diff] [blame] | 505 | if (!cmds_sent) { |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 506 | packet_buf_write(&req_buf, |
| 507 | "%s %s %s%c%s", |
| 508 | old_hex, new_hex, ref->name, 0, |
| 509 | cap_buf.buf); |
Junio C Hamano | c67072b | 2014-08-19 13:02:19 -0700 | [diff] [blame] | 510 | cmds_sent = 1; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 511 | } else { |
Junio C Hamano | b783aa7 | 2014-08-15 12:29:42 -0700 | [diff] [blame] | 512 | packet_buf_write(&req_buf, "%s %s %s", |
| 513 | old_hex, new_hex, ref->name); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 514 | } |
| 515 | } |
| 516 | |
| 517 | if (args->stateless_rpc) { |
Nguyễn Thái Ngọc Duy | f2c681c | 2013-12-05 20:02:52 +0700 | [diff] [blame] | 518 | if (!args->dry_run && (cmds_sent || is_repository_shallow())) { |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 519 | packet_buf_flush(&req_buf); |
| 520 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); |
| 521 | } |
| 522 | } else { |
Jeff King | cdf4fb8 | 2013-02-20 15:01:56 -0500 | [diff] [blame] | 523 | write_or_die(out, req_buf.buf, req_buf.len); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 524 | packet_flush(out); |
| 525 | } |
| 526 | strbuf_release(&req_buf); |
Junio C Hamano | 887f353 | 2014-08-15 11:37:01 -0700 | [diff] [blame] | 527 | strbuf_release(&cap_buf); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 528 | |
Stefan Beller | f6a4e61 | 2016-07-14 14:49:47 -0700 | [diff] [blame] | 529 | if (use_push_options) { |
| 530 | struct string_list_item *item; |
| 531 | struct strbuf sb = STRBUF_INIT; |
| 532 | |
| 533 | for_each_string_list_item(item, args->push_options) |
| 534 | packet_buf_write(&sb, "%s", item->string); |
| 535 | |
| 536 | write_or_die(out, sb.buf, sb.len); |
| 537 | packet_flush(out); |
| 538 | strbuf_release(&sb); |
| 539 | } |
| 540 | |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 541 | if (use_sideband && cmds_sent) { |
| 542 | memset(&demux, 0, sizeof(demux)); |
| 543 | demux.proc = sideband_demux; |
| 544 | demux.data = fd; |
| 545 | demux.out = -1; |
Jeff King | 3e8b06d | 2016-04-19 18:50:17 -0400 | [diff] [blame] | 546 | demux.isolate_sigpipe = 1; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 547 | if (start_async(&demux)) |
| 548 | die("send-pack: unable to fork off sideband demultiplexer"); |
| 549 | in = demux.out; |
| 550 | } |
| 551 | |
Junio C Hamano | ab2b0c9 | 2014-08-15 12:23:51 -0700 | [diff] [blame] | 552 | if (need_pack_data && cmds_sent) { |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 553 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { |
| 554 | for (ref = remote_refs; ref; ref = ref->next) |
| 555 | ref->status = REF_STATUS_NONE; |
| 556 | if (args->stateless_rpc) |
| 557 | close(out); |
| 558 | if (git_connection_is_socket(conn)) |
| 559 | shutdown(fd[0], SHUT_WR); |
Jeff King | 739cf49 | 2016-04-19 18:45:17 -0400 | [diff] [blame] | 560 | if (use_sideband) { |
| 561 | close(demux.out); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 562 | finish_async(&demux); |
Jeff King | 739cf49 | 2016-04-19 18:45:17 -0400 | [diff] [blame] | 563 | } |
Jens Lindstrom | 37cb1dd | 2013-10-22 15:36:02 +0200 | [diff] [blame] | 564 | fd[1] = -1; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 565 | return -1; |
| 566 | } |
Jens Lindstrom | 37cb1dd | 2013-10-22 15:36:02 +0200 | [diff] [blame] | 567 | if (!args->stateless_rpc) |
| 568 | /* Closed by pack_objects() via start_command() */ |
| 569 | fd[1] = -1; |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 570 | } |
| 571 | if (args->stateless_rpc && cmds_sent) |
| 572 | packet_flush(out); |
| 573 | |
| 574 | if (status_report && cmds_sent) |
| 575 | ret = receive_status(in, remote_refs); |
| 576 | else |
| 577 | ret = 0; |
| 578 | if (args->stateless_rpc) |
| 579 | packet_flush(out); |
| 580 | |
| 581 | if (use_sideband && cmds_sent) { |
Jeff King | 739cf49 | 2016-04-19 18:45:17 -0400 | [diff] [blame] | 582 | close(demux.out); |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 583 | if (finish_async(&demux)) { |
| 584 | error("error in sideband demultiplexer"); |
| 585 | ret = -1; |
| 586 | } |
Nguyễn Thái Ngọc Duy | f5d942e | 2012-10-26 22:53:53 +0700 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | if (ret < 0) |
| 590 | return ret; |
| 591 | |
| 592 | if (args->porcelain) |
| 593 | return 0; |
| 594 | |
| 595 | for (ref = remote_refs; ref; ref = ref->next) { |
| 596 | switch (ref->status) { |
| 597 | case REF_STATUS_NONE: |
| 598 | case REF_STATUS_UPTODATE: |
| 599 | case REF_STATUS_OK: |
| 600 | break; |
| 601 | default: |
| 602 | return -1; |
| 603 | } |
| 604 | } |
| 605 | return 0; |
| 606 | } |