/* -*- c-file-style: "java"; indent-tabs-mode: nil; tab-width: 4; fill-column: 78 -*- * * distcc -- A simple distributed compiler system * * Copyright (C) 2002, 2003, 2004 by Martin Pool * Copyright 2007 Google Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. */ /* He who waits until circumstances completely favour * * his undertaking will never accomplish anything. * * -- Martin Luther */ /** * @file * * Actually serve remote requests. Called from daemon.c. * * @todo Make sure wait statuses are packed in a consistent format * (exit<<8 | signal). Is there any platform that doesn't do this? * * @todo The server should catch signals, and terminate the compiler process * group before handling them. * * @todo It might be nice to detect that the client has dropped the * connection, and then kill the compiler immediately. However, we probably * won't notice that until we try to do IO. SIGPIPE won't help because it's * not triggered until we try to do IO. I don't think it matters a lot, * though, because the client's not very likely to do that. The main case is * probably somebody getting bored and interrupting compilation. * * What might help is to select() on the network socket while we're waiting * for the child to complete, allowing SIGCHLD to interrupt the select() when * the child completes. However I'm not sure if it's really worth the trouble * of doing that just to handle a fairly marginal case. **/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "distcc.h" #include "trace.h" #include "util.h" #include "stats.h" #include "rpc.h" #include "exitcode.h" #include "snprintf.h" #include "dopt.h" #include "bulk.h" #include "exec.h" #include "srvnet.h" #include "hosts.h" #include "daemon.h" #include "stringmap.h" #include "dotd.h" #include "fix_debug_info.h" #ifdef HAVE_GSSAPI #include "auth.h" /* Global security context in case confidentiality/integrity */ /* type services are needed in the future. */ extern gss_ctx_id_t distccd_ctx_handle; /* Simple boolean, with a non-zero value indicating that the */ /* --auth option was specified. */ int dcc_auth_enabled = 0; #endif /** * We copy all serious distccd messages to this file, as well as sending the * compiler errors there, so they're visible to the client. **/ static int dcc_compile_log_fd = -1; static int dcc_run_job(int in_fd, int out_fd); /** * Copy all server messages to the error file, so that they can be * echoed back to the client if necessary. **/ static int dcc_add_log_to_file(const char *err_fname) { if (dcc_compile_log_fd != -1) { rs_log_crit("compile log already open?"); return 0; /* continue? */ } dcc_compile_log_fd = open(err_fname, O_WRONLY|O_CREAT|O_TRUNC, 0600); if (dcc_compile_log_fd == -1) { rs_log_error("failed to open %s: %s", err_fname, strerror(errno)); return EXIT_IO_ERROR; } /* Only send fairly serious errors back */ rs_add_logger(rs_logger_file, RS_LOG_WARNING, NULL, dcc_compile_log_fd); return 0; } static int dcc_remove_log_to_file(void) { if (dcc_compile_log_fd == -1) { rs_log_warning("compile log not open?"); return 0; /* continue? */ } /* must exactly match call in dcc_add_log_to_file */ rs_remove_logger(rs_logger_file, RS_LOG_WARNING, NULL, dcc_compile_log_fd); dcc_close(dcc_compile_log_fd); dcc_compile_log_fd = -1; return 0; } /* Read and execute a job to/from socket. This is the common entry point no * matter what mode the daemon is running in: preforked, nonforked, or * ssh/inetd. */ int dcc_service_job(int in_fd, int out_fd, struct sockaddr *cli_addr, int cli_len) { int ret; dcc_job_summary_clear(); /* Log client name and check access if appropriate. For ssh connections * the client comes from a unix-domain socket and that's always * allowed. */ if ((ret = dcc_check_client(cli_addr, cli_len, opt_allowed)) != 0) goto out; #ifdef HAVE_GSSAPI /* If requested perform authentication. */ if (dcc_auth_enabled) { rs_log_info("Performing authentication."); if ((ret = dcc_gssapi_check_client(in_fd, out_fd)) != 0) { goto out; } } else { rs_log_info("No authentication requested."); } /* Context deleted here as we no longer need it. However, we have it available */ /* in case we want to use confidentiality/integrity type services in the future. */ if (dcc_auth_enabled) { dcc_gssapi_delete_ctx(&distccd_ctx_handle); } #endif ret = dcc_run_job(in_fd, out_fd); dcc_job_summary(); out: return ret; } static int dcc_input_tmpnam(char * orig_input, char **tmpnam_ret) { const char *input_exten; rs_trace("input file %s", orig_input); input_exten = dcc_find_extension(orig_input); if (input_exten) input_exten = dcc_preproc_exten(input_exten); if (!input_exten) /* previous line might return NULL */ input_exten = ".tmp"; return dcc_make_tmpnam("distccd", input_exten, tmpnam_ret); } /** * Check argv0 against a list of allowed commands, and possibly map it to a new value. * If *compiler_name is changed, the original value is free'd, and a new value is malloc'd. * * If the environment variable DISTCC_CMDLIST is set, * load a list of supported commands from the file named by DISTCC_CMDLIST, and * refuse to serve any command whose last DISTCC_CMDLIST_NUMWORDS last words * don't match those of a command in that list. * Each line of the file is simply a filename. * This is chiefly useful for those few installations which have so many * compilers available such that the compiler must be specified with an absolute pathname. * * Example: if the compilers are installed in a different location on * this server, e.g. if they've been copied from a shared NFS directory onto a * local hard drive, you might have lines like * /local/tools/blort/sh4-linux/gcc-3.3.3-glibc-2.2.5/bin/sh4-linux-gcc * /local/tools/blort/sh4-linux/gcc-2.95.3-glibc-2.2.5/bin/sh4-linux-gcc * and set DISTCC_CMDLIST_NUMWORDS=3; that way e.g. any of the commands * /local/tools/gcc-3.3.3-glibc-2.2.5/bin/sh4-linux-gcc * /shared/tools/gcc-3.3.3-glibc-2.2.5/bin/sh4-linux-gcc * /zounds/gcc-3.3.3-glibc-2.2.5/bin/sh4-linux-gcc * will invoke * /local/tools/blort/sh4-linux/gcc-3.3.3-glibc-2.2.5/bin/sh4-linux-gcc * * Returns 0 (which will abort the compile) if compiler not in list. * (This is because the list is intended to be complete, * and any attempt to use a command not in the list indicates a confused user. * FIXME: should probably give user the option of changing this * behavior at runtime, so normal command lookup can continue even if command * not found in table.) **/ static int dcc_remap_compiler(char **compiler_name) { static int cmdlist_checked=0; static stringmap_t *map=0; const char *newname; /* load file if not already */ if (!cmdlist_checked) { char *filename; cmdlist_checked = 1; filename = getenv("DISTCC_CMDLIST"); if (filename) { const char *nw = getenv("DISTCC_CMDLIST_NUMWORDS"); int numFinalWordsToMatch=1; if (nw) numFinalWordsToMatch = atoi(nw); map = stringmap_load(filename, numFinalWordsToMatch); if (map) { rs_trace("stringmap_load(%s, %d) found %d commands", filename, numFinalWordsToMatch, map->n); } else { rs_log_error("stringmap_load(%s, %d) failed: %s", filename, numFinalWordsToMatch, strerror(errno)); return EXIT_IO_ERROR; } } } if (!map) return 1; /* no list of allowed names, so ok */ /* Find what this compiler maps to */ newname = stringmap_lookup(map, *compiler_name); if (!newname) { rs_log_warning("lookup of %s in DISTCC_CMDLIST failed", *compiler_name); return 0; /* not in list, so forbidden. FIXME: make failure an option */ } /* If mapping is not the identity mapping, replace the original name */ if (strcmp(newname, *compiler_name)) { rs_trace("changed compiler from %s to %s", *compiler_name, newname); free(*compiler_name); *compiler_name = strdup(newname); } return 1; } /** * Find the absolute path for the first occurrence of @p compiler_name on the * PATH. Print a warning if it looks like a symlink to distcc. * * We want to guard against somebody accidentally running the server with a * masqueraded compiler on its $PATH. The worst that's likely to happen here * is wasting some time running a distcc or ccache client that does nothing, * so it's not a big deal. (This could be easy to do if it's on the default * PATH and they start the daemon from the command line.) * * At the moment we don't look for the compiler too. **/ static int dcc_check_compiler_masq(char *compiler_name) { const char *envpath, *p, *n; char *buf = NULL; struct stat sb; int len; char linkbuf[MAXPATHLEN]; if (compiler_name[0] == '/') return 0; if (!(envpath = getenv("PATH"))) { rs_trace("PATH seems not to be defined"); return 0; } for (n = p = envpath; *n; p = n) { n = strchr(p, ':'); if (n) len = n++ - p; else { len = strlen(p); n = p + len; } if (asprintf(&buf, "%.*s/%s", len, p, compiler_name) == -1) { rs_log_crit("asprintf failed"); return EXIT_DISTCC_FAILED; } if (lstat(buf, &sb) == -1) continue; /* ENOENT, EACCESS, etc */ if (!S_ISLNK(sb.st_mode)) { rs_trace("%s is not a symlink", buf); break; /* found it */ } if ((len = readlink(buf, linkbuf, sizeof linkbuf)) <= 0) continue; linkbuf[len] = '\0'; if (strstr(linkbuf, "distcc")) { rs_log_warning("%s on distccd's path is %s and really a link to %s", compiler_name, buf, linkbuf); break; /* but use it anyhow */ } else { rs_trace("%s is a safe symlink to %s", buf, linkbuf); break; /* found it */ } } free(buf); return 0; } /** * Make sure there is a masquerade to distcc in LIBDIR/distcc in order to * execute a binary of the same name. * * Before this it was possible to execute arbitrary command after connecting * to distcc, which is quite a security risk when combined with any local root * privilege escalation exploit. See CVE 2004-2687 * * https://nvd.nist.gov/vuln/detail/CVE-2004-2687 * https://github.com/distcc/distcc/issues/155 **/ static int dcc_check_compiler_whitelist(char *_compiler_name) { char *compiler_name = _compiler_name; /* Support QtCreator by treating /usr/bin and /bin absolute paths as non-absolute * see https://github.com/distcc/distcc/issues/279 */ const char *creator_paths[] = { "/bin/", "/usr/bin/", NULL }; int i; for (i = 0 ; creator_paths[i] ; ++i) { size_t len = strlen(creator_paths[i]); // /bin and /usr/bin are absolute paths (= compare from the string start) // use strncasecmp() to support case-insensitive / (= on Mac). if (strncasecmp(_compiler_name, creator_paths[i], len) == 0) { compiler_name = _compiler_name + len; // stop at the first hit break; } } if (strchr(compiler_name, '/')) { rs_log_crit("compiler name <%s> cannot be an absolute path (or must set DISTCC_CMDLIST or pass --enable-tcp-insecure)", _compiler_name); return EXIT_BAD_ARGUMENTS; } #ifdef HAVE_FSTATAT int dirfd = open(LIBDIR "/distcc", O_RDONLY); if (dirfd < 0) { if (errno == ENOENT) rs_log_crit("no %s", LIBDIR "/distcc"); return EXIT_DISTCC_FAILED; } if (faccessat(dirfd, compiler_name, X_OK, 0) < 0) { char *compiler_path = NULL; if (asprintf(&compiler_path, "/usr/lib/distcc/%s", compiler_name) >= 0) { if (access(compiler_path, X_OK) < 0) { free(compiler_path); close(dirfd); rs_log_crit("%s not in %s or %s whitelist.", compiler_name, LIBDIR "/distcc", "/usr/lib/distcc"); return EXIT_BAD_ARGUMENTS; /* ENOENT, EACCESS, etc */ } free(compiler_path); } } close(dirfd); rs_trace("%s in" LIBDIR "/distcc whitelist", compiler_name); return 0; #else // make do with access(): char *compiler_path; int ret = 0; if (asprintf(&compiler_path, "%s/distcc/%s", LIBDIR, compiler_name) >= 0) { if (access(compiler_path, X_OK) < 0) { free(compiler_path); /* check /usr/lib/distcc too */ if (asprintf(&compiler_path, "/usr/lib/distcc/%s", compiler_name) >= 0) { if (access(compiler_path, X_OK) < 0) { rs_log_crit("%s not in %s or %s whitelist.", compiler_name, LIBDIR "/distcc", "/usr/lib/distcc"); ret = EXIT_BAD_ARGUMENTS; /* ENOENT, EACCESS, etc */ } free(compiler_path); } } else { free(compiler_path); } rs_trace("%s in" LIBDIR "/distcc whitelist", compiler_name); } else { rs_log_crit("Couldn't check if %s is in %s whitelist.", compiler_name, LIBDIR "/distcc"); ret = EXIT_DISTCC_FAILED; } return ret; #endif } static const char *include_options[] = { "-I", "-include", "-imacros", "-idirafter", "-iprefix", "-iwithprefix", "-iwithprefixbefore", "-isystem", "-iquote", NULL }; /** * Prepend @p root_dir string to source file if absolute. **/ static int tweak_input_argument_for_server(char **argv, const char *root_dir) { unsigned i; /* Look for the source file and act if absolute. Note: dcc_scan_args * rejects compilations with more than one source file. */ for (i=0; argv[i]; i++) if (dcc_is_source(argv[i]) && argv[i][0]=='/') { unsigned j = 0; char *prefixed_name; while (argv[i][j] == '/') j++; if (asprintf(&prefixed_name, "%s/%s", root_dir, argv[i] + j) == -1) { rs_log_crit("asprintf failed"); return EXIT_OUT_OF_MEMORY; } rs_trace("changed input from \"%s\" to \"%s\"", argv[i], prefixed_name); free(argv[i]); argv[i] = prefixed_name; dcc_trace_argv("command after", argv); return 0; } return 0; } /** * Prepend @p root_dir to arguments of include options that are absolute. **/ static int tweak_include_arguments_for_server(char **argv, const char *root_dir) { int index_of_first_filename_char = 0; const char *include_option; unsigned int i, j; for (i = 0; argv[i]; ++i) { for (j = 0; include_options[j]; ++j) { if (str_startswith(include_options[j], argv[i])) { if (strcmp(argv[i], include_options[j]) == 0) { /* "-I foo" , change the next argument */ ++i; include_option = ""; index_of_first_filename_char = 0; } else { /* "-Ifoo", change this argument */ include_option = include_options[j]; index_of_first_filename_char = strlen(include_option); } if (argv[i] != NULL) { /* in case of a dangling -I */ if (argv[i][index_of_first_filename_char] == '/') { char *buf; checked_asprintf(&buf, "%s%s%s", include_option, root_dir, argv[i] + index_of_first_filename_char); if (buf == NULL) { return EXIT_OUT_OF_MEMORY; } free(argv[i]); argv[i] = buf; } } break; /* from the inner loop; go look at the next argument */ } } } return 0; } /* The -MT command line flag does not work as advertised for distcc: * it augments, rather than replace, the list of targets in the dotd file. * The behavior we want though, is the replacing behavior. * So here we delete the "-MT target" arguments, and we return the target, * for use in the .d rewriting in dotd.c. */ static int dcc_convert_mt_to_dotd_target(char **argv, char **dotd_target) { int i; *dotd_target = NULL; for (i = 0; argv[i]; ++i) { if (strcmp(argv[i], "-MT") == 0) { break; } } /* if we reached the end without finding -MT, fine. */ if (argv[i] == NULL) return 0; /* if we find -MT but only at the very end, that's an error. */ if (argv[i+1] == NULL) { rs_trace("found -MT at the end of the command line"); return 1; } /* the dotd_target is the argument of -MT */ *dotd_target = argv[i+1]; /* copy the next-next argument on top of this. */ for (; argv[i+2]; ++i) { argv[i] = argv[i+2]; } /* and then put the terminal null in. */ argv[i] = argv[i+2]; return 0; } /** * Add -MMD and -MF to get a .d file. * Find what the dotd target should be (if any). * Prepend @p root_dir to every command * line argument that refers to a file/dir by an absolute name. **/ static int tweak_arguments_for_server(char **argv, const char *root_dir, const char *deps_fname, char **dotd_target, char ***tweaked_argv) { int ret; *dotd_target = 0; if ((ret = dcc_copy_argv(argv, tweaked_argv, 3))) return 1; if ((ret = dcc_convert_mt_to_dotd_target(*tweaked_argv, dotd_target))) return 1; if (!dcc_argv_search(*tweaked_argv, "-MD") && !dcc_argv_search(*tweaked_argv, "-MMD")) { dcc_argv_append(*tweaked_argv, strdup("-MMD")); } dcc_argv_append(*tweaked_argv, strdup("-MF")); dcc_argv_append(*tweaked_argv, strdup(deps_fname)); tweak_include_arguments_for_server(*tweaked_argv, root_dir); tweak_input_argument_for_server(*tweaked_argv, root_dir); return 0; } /** * Read the client working directory from in_fd socket, * and set up the server side directory corresponding to that. * Inputs: * @p in_fd: the file descriptor for the socket. * Outputs: * @p temp_dir: a temporary directory on the server, * corresponding to the client's root directory (/), * @p client_side_cwd: the current directory on the client * @p server_side_cwd: the corresponding directory on the server; * server_side_cwd = temp_dir + client_side_cwd **/ static int make_temp_dir_and_chdir_for_cpp(int in_fd, char **temp_dir, char **client_side_cwd, char **server_side_cwd) { int ret = 0; if ((ret = dcc_get_new_tmpdir(temp_dir))) return ret; if ((ret = dcc_r_cwd(in_fd, client_side_cwd))) return ret; checked_asprintf(server_side_cwd, "%s%s", *temp_dir, *client_side_cwd); if (*server_side_cwd == NULL) { ret = EXIT_OUT_OF_MEMORY; } else if ((ret = dcc_mk_tmp_ancestor_dirs(*server_side_cwd))) { ; /* leave ret the way it is */ } else if ((ret = dcc_mk_tmpdir(*server_side_cwd))) { ; /* leave ret the way it is */ } else if (chdir(*server_side_cwd) == -1) { ret = EXIT_IO_ERROR; } return ret; } /** * Read a request, run the compiler, and send a response. **/ static int dcc_run_job(int in_fd, int out_fd) { char **argv = NULL; char **tweaked_argv = NULL; int status = 0; char *temp_i = NULL, *temp_o = NULL; char *err_fname = NULL, *out_fname = NULL, *deps_fname = NULL; char *temp_dir = NULL; /* for receiving multiple files */ int ret = 0, compile_ret = 0; char *orig_input = NULL, *orig_output = NULL; char *orig_input_tmp, *orig_output_tmp; char *dotd_target = NULL; pid_t cc_pid; enum dcc_protover protover; enum dcc_compress compr; struct timeval start, end; int time_ms; char *time_str; int job_result = -1; enum dcc_cpp_where cpp_where; char *server_cwd = NULL; char *client_cwd = NULL; int changed_directory = 0; gettimeofday(&start, NULL); if ((ret = dcc_make_tmpnam("distcc", ".deps", &deps_fname))) goto out_cleanup; if ((ret = dcc_make_tmpnam("distcc", ".stderr", &err_fname))) goto out_cleanup; if ((ret = dcc_make_tmpnam("distcc", ".stdout", &out_fname))) goto out_cleanup; dcc_remove_if_exists(deps_fname); dcc_remove_if_exists(err_fname); dcc_remove_if_exists(out_fname); /* Capture any messages relating to this compilation to the same file as * compiler errors so that they can all be sent back to the client. */ dcc_add_log_to_file(err_fname); /* Ignore SIGPIPE; we consistently check error codes and will see the * EPIPE. Note that it is set back to the default behaviour when spawning * a child, to handle cases like the assembler dying while its being fed * from the compiler */ dcc_ignore_sigpipe(1); /* Allow output to accumulate into big packets. */ tcp_cork_sock(out_fd, 1); if ((ret = dcc_r_request_header(in_fd, &protover))) goto out_cleanup; dcc_get_features_from_protover(protover, &compr, &cpp_where); if (cpp_where == DCC_CPP_ON_SERVER) { if ((ret = make_temp_dir_and_chdir_for_cpp(in_fd, &temp_dir, &client_cwd, &server_cwd))) goto out_cleanup; changed_directory = 1; } if ((ret = dcc_r_argv(in_fd, "ARGC", "ARGV", &argv)) || (ret = dcc_scan_args(argv, &orig_input_tmp, &orig_output_tmp, &tweaked_argv))) goto out_cleanup; /* The orig_input_tmp and orig_output_tmp values returned by dcc_scan_args() * are aliased with some element of tweaked_argv. We need to copy them, * because the calls to dcc_set_input() and dcc_set_output() below will * free those elements. */ orig_input = strdup(orig_input_tmp); orig_output = strdup(orig_output_tmp); if (orig_input == NULL || orig_output == NULL) { ret = EXIT_OUT_OF_MEMORY; goto out_cleanup; } /* Our new argv is what dcc_scan_args put into tweaked_argv */ /* Put tweaked_argv into argv, and free old argv */ dcc_free_argv(argv); argv = tweaked_argv; tweaked_argv = NULL; rs_trace("output file %s", orig_output); if ((ret = dcc_make_tmpnam("distccd", ".o", &temp_o))) goto out_cleanup; /* if the protocol is multi-file, then we need to do the following * in a loop. */ if (cpp_where == DCC_CPP_ON_SERVER) { if (dcc_r_many_files(in_fd, temp_dir, compr) || dcc_set_output(argv, temp_o) || tweak_arguments_for_server(argv, temp_dir, deps_fname, &dotd_target, &tweaked_argv)) goto out_cleanup; /* Repeat the switcharoo trick a few lines above. */ dcc_free_argv(argv); argv = tweaked_argv; tweaked_argv = NULL; } else { if ((ret = dcc_input_tmpnam(orig_input, &temp_i))) goto out_cleanup; if ((ret = dcc_r_token_file(in_fd, "DOTI", temp_i, compr)) || (ret = dcc_set_input(argv, temp_i)) || (ret = dcc_set_output(argv, temp_o))) goto out_cleanup; } if (!dcc_remap_compiler(&argv[0])) goto out_cleanup; if ((ret = dcc_check_compiler_masq(argv[0]))) goto out_cleanup; if (!opt_enable_tcp_insecure && !getenv("DISTCC_CMDLIST") && dcc_check_compiler_whitelist(argv[0])) goto out_cleanup; /* unsafe compiler options. See https://youtu.be/bSkpMdDe4g4?t=53m12s on securing https://godbolt.org/ */ char *a; int i; for (i = 0; (a = argv[i]); i++) if (strncmp(a, "-fplugin=", strlen("-fplugin=")) == 0 || strncmp(a, "-specs=", strlen("-specs=")) == 0) { rs_log_warning("-fplugin= and/or -specs= passed, which are insecure and not supported."); goto out_cleanup; } if ((compile_ret = dcc_spawn_child(argv, &cc_pid, "/dev/null", out_fname, err_fname)) || (compile_ret = dcc_collect_child("cc", cc_pid, &status, in_fd))) { /* We didn't get around to finding a wait status from the actual * compiler */ status = W_EXITCODE(compile_ret, 0); } if ((ret = dcc_x_result_header(out_fd, protover)) || (ret = dcc_x_cc_status(out_fd, status)) || (ret = dcc_x_file(out_fd, err_fname, "SERR", compr, NULL)) || (ret = dcc_x_file(out_fd, out_fname, "SOUT", compr, NULL))) { /* We get a protocol derailment if we send DOTO 0 here */ if (job_result == -1) job_result = STATS_COMPILE_ERROR; } else if (WIFSIGNALED(status) || WEXITSTATUS(status)) { /* Something went wrong, so send DOTO 0 */ dcc_x_token_int(out_fd, "DOTO", 0); if (job_result == -1) job_result = STATS_COMPILE_ERROR; } else { if (cpp_where == DCC_CPP_ON_SERVER) { rs_trace("fixing up debug info"); /* * We update the debugging information, replacing all occurrences * of temp_dir (the server temp directory that corresponds to the * client's root directory) with "/", to convert server path * names to client path names. This is safe to do only because * temp_dir is of the form "/var/tmp/distccd-XXXXXX" where XXXXXX * is randomly chosen by mkdtemp(), which makes it inconceivably * unlikely that this pattern could occur in the debug info by * chance. */ if ((ret = dcc_fix_debug_info(temp_o, "/", temp_dir))) goto out_cleanup; } if ((ret = dcc_x_file(out_fd, temp_o, "DOTO", compr, NULL))) goto out_cleanup; if (cpp_where == DCC_CPP_ON_SERVER) { char *cleaned_dotd; ret = dcc_cleanup_dotd(deps_fname, &cleaned_dotd, temp_dir, dotd_target ? dotd_target : orig_output, temp_o); if (ret) goto out_cleanup; ret = dcc_x_file(out_fd, cleaned_dotd, "DOTD", compr, NULL); free(cleaned_dotd); } job_result = STATS_COMPILE_OK; } if (compile_ret == EXIT_IO_ERROR) { job_result = STATS_CLI_DISCONN; } else if (compile_ret == EXIT_TIMEOUT) { job_result = STATS_COMPILE_TIMEOUT; } dcc_critique_status(status, argv[0], orig_input, dcc_hostdef_local, 0); tcp_cork_sock(out_fd, 0); rs_log(RS_LOG_INFO|RS_LOG_NONAME, "job complete"); out_cleanup: /* Restore the working directory, if needed. */ if (changed_directory) { if (chdir(dcc_daemon_wd) != 0) { rs_log_warning("chdir(%s) failed: %s", dcc_daemon_wd, strerror(errno)); } } switch (ret) { case EXIT_BUSY: /* overloaded */ job_result = STATS_REJ_OVERLOAD; break; case EXIT_IO_ERROR: /* probably client disconnected */ job_result = STATS_CLI_DISCONN; break; case EXIT_PROTOCOL_ERROR: job_result = STATS_REJ_BAD_REQ; break; default: if (job_result != STATS_COMPILE_ERROR && job_result != STATS_COMPILE_OK && job_result != STATS_CLI_DISCONN && job_result != STATS_COMPILE_TIMEOUT) { job_result = STATS_OTHER; } } gettimeofday(&end, NULL); time_ms = (end.tv_sec - start.tv_sec) * 1000 + (end.tv_usec - start.tv_usec) / 1000; dcc_job_summary_append(" "); dcc_job_summary_append(stats_text[job_result]); if (job_result == STATS_COMPILE_OK) { /* special case, also log compiler, file and time */ dcc_stats_compile_ok(argv[0], orig_input, start, end, time_ms); } else { dcc_stats_event(job_result); } checked_asprintf(&time_str, " exit:%d sig:%d core:%d ret:%d time:%dms ", WEXITSTATUS(status), WTERMSIG(status), WCOREDUMP(status), ret, time_ms); if (time_str != NULL) dcc_job_summary_append(time_str); free(time_str); /* append compiler and input file info */ if (job_result == STATS_COMPILE_ERROR || job_result == STATS_COMPILE_OK) { dcc_job_summary_append(argv[0]); dcc_job_summary_append(" "); dcc_job_summary_append(orig_input); } dcc_remove_log_to_file(); dcc_cleanup_tempfiles(); free(orig_input); free(orig_output); if (argv) dcc_free_argv(argv); if (tweaked_argv) dcc_free_argv(tweaked_argv); free(temp_dir); free(temp_i); free(temp_o); free(deps_fname); free(err_fname); free(out_fname); free(client_cwd); free(server_cwd); return ret; }