| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| |
| #include "alloc-util.h" |
| #include "dirent-util.h" |
| #include "exit-status.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "generator.h" |
| #include "hashmap.h" |
| #include "hexdecoct.h" |
| #include "install.h" |
| #include "log.h" |
| #include "main-func.h" |
| #include "mkdir.h" |
| #include "path-lookup.h" |
| #include "path-util.h" |
| #include "set.h" |
| #include "special.h" |
| #include "specifier.h" |
| #include "stat-util.h" |
| #include "string-util.h" |
| #include "strv.h" |
| #include "unit-name.h" |
| #include "util.h" |
| |
| static const struct { |
| const char *path; |
| const char *target; |
| } rcnd_table[] = { |
| /* Standard SysV runlevels for start-up */ |
| { "rc1.d", SPECIAL_RESCUE_TARGET }, |
| { "rc2.d", SPECIAL_MULTI_USER_TARGET }, |
| { "rc3.d", SPECIAL_MULTI_USER_TARGET }, |
| { "rc4.d", SPECIAL_MULTI_USER_TARGET }, |
| { "rc5.d", SPECIAL_GRAPHICAL_TARGET }, |
| |
| /* We ignore the SysV runlevels for shutdown here, as SysV services get default dependencies anyway, and that |
| * means they are shut down anyway at system power off if running. */ |
| }; |
| |
| static const char *arg_dest = NULL; |
| |
| typedef struct SysvStub { |
| char *name; |
| char *path; |
| char *description; |
| int sysv_start_priority; |
| char *pid_file; |
| char **before; |
| char **after; |
| char **wants; |
| char **wanted_by; |
| bool has_lsb; |
| bool reload; |
| bool loaded; |
| } SysvStub; |
| |
| static void free_sysvstub(SysvStub *s) { |
| if (!s) |
| return; |
| |
| free(s->name); |
| free(s->path); |
| free(s->description); |
| free(s->pid_file); |
| strv_free(s->before); |
| strv_free(s->after); |
| strv_free(s->wants); |
| strv_free(s->wanted_by); |
| free(s); |
| } |
| |
| DEFINE_TRIVIAL_CLEANUP_FUNC(SysvStub*, free_sysvstub); |
| |
| static void free_sysvstub_hashmapp(Hashmap **h) { |
| hashmap_free_with_destructor(*h, free_sysvstub); |
| } |
| |
| static int add_alias(const char *service, const char *alias) { |
| const char *link; |
| int r; |
| |
| assert(service); |
| assert(alias); |
| |
| link = strjoina(arg_dest, "/", alias); |
| |
| r = symlink(service, link); |
| if (r < 0) { |
| if (errno == EEXIST) |
| return 0; |
| |
| return -errno; |
| } |
| |
| return 1; |
| } |
| |
| static int generate_unit_file(SysvStub *s) { |
| _cleanup_free_ char *path_escaped = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| const char *unit; |
| char **p; |
| int r; |
| |
| assert(s); |
| |
| if (!s->loaded) |
| return 0; |
| |
| path_escaped = specifier_escape(s->path); |
| if (!path_escaped) |
| return log_oom(); |
| |
| unit = strjoina(arg_dest, "/", s->name); |
| |
| /* We might already have a symlink with the same name from a Provides:, |
| * or from backup files like /etc/init.d/foo.bak. Real scripts always win, |
| * so remove an existing link */ |
| if (is_symlink(unit) > 0) { |
| log_warning("Overwriting existing symlink %s with real service.", unit); |
| (void) unlink(unit); |
| } |
| |
| f = fopen(unit, "wxe"); |
| if (!f) |
| return log_error_errno(errno, "Failed to create unit file %s: %m", unit); |
| |
| fprintf(f, |
| "# Automatically generated by systemd-sysv-generator\n\n" |
| "[Unit]\n" |
| "Documentation=man:systemd-sysv-generator(8)\n" |
| "SourcePath=%s\n", |
| path_escaped); |
| |
| if (s->description) { |
| _cleanup_free_ char *t; |
| |
| t = specifier_escape(s->description); |
| if (!t) |
| return log_oom(); |
| |
| fprintf(f, "Description=%s\n", t); |
| } |
| |
| STRV_FOREACH(p, s->before) |
| fprintf(f, "Before=%s\n", *p); |
| STRV_FOREACH(p, s->after) |
| fprintf(f, "After=%s\n", *p); |
| STRV_FOREACH(p, s->wants) |
| fprintf(f, "Wants=%s\n", *p); |
| |
| fprintf(f, |
| "\n[Service]\n" |
| "Type=forking\n" |
| "Restart=no\n" |
| "TimeoutSec=5min\n" |
| "IgnoreSIGPIPE=no\n" |
| "KillMode=process\n" |
| "GuessMainPID=no\n" |
| "RemainAfterExit=%s\n", |
| yes_no(!s->pid_file)); |
| |
| if (s->pid_file) { |
| _cleanup_free_ char *t; |
| |
| t = specifier_escape(s->pid_file); |
| if (!t) |
| return log_oom(); |
| |
| fprintf(f, "PIDFile=%s\n", t); |
| } |
| |
| /* Consider two special LSB exit codes a clean exit */ |
| if (s->has_lsb) |
| fprintf(f, |
| "SuccessExitStatus=%i %i\n", |
| EXIT_NOTINSTALLED, |
| EXIT_NOTCONFIGURED); |
| |
| fprintf(f, |
| "ExecStart=%s start\n" |
| "ExecStop=%s stop\n", |
| path_escaped, path_escaped); |
| |
| if (s->reload) |
| fprintf(f, "ExecReload=%s reload\n", path_escaped); |
| |
| r = fflush_and_check(f); |
| if (r < 0) |
| return log_error_errno(r, "Failed to write unit %s: %m", unit); |
| |
| STRV_FOREACH(p, s->wanted_by) |
| (void) generator_add_symlink(arg_dest, *p, "wants", s->name); |
| |
| return 1; |
| } |
| |
| static bool usage_contains_reload(const char *line) { |
| return (strcasestr(line, "{reload|") || |
| strcasestr(line, "{reload}") || |
| strcasestr(line, "{reload\"") || |
| strcasestr(line, "|reload|") || |
| strcasestr(line, "|reload}") || |
| strcasestr(line, "|reload\"")); |
| } |
| |
| static char *sysv_translate_name(const char *name) { |
| _cleanup_free_ char *c = NULL; |
| char *res; |
| |
| c = strdup(name); |
| if (!c) |
| return NULL; |
| |
| res = endswith(c, ".sh"); |
| if (res) |
| *res = 0; |
| |
| if (unit_name_mangle(c, 0, &res) < 0) |
| return NULL; |
| |
| return res; |
| } |
| |
| static int sysv_translate_facility(SysvStub *s, unsigned line, const char *name, char **ret) { |
| |
| /* We silently ignore the $ prefix here. According to the LSB |
| * spec it simply indicates whether something is a |
| * standardized name or a distribution-specific one. Since we |
| * just follow what already exists and do not introduce new |
| * uses or names we don't care who introduced a new name. */ |
| |
| static const char * const table[] = { |
| /* LSB defined facilities */ |
| "local_fs", NULL, |
| "network", SPECIAL_NETWORK_ONLINE_TARGET, |
| "named", SPECIAL_NSS_LOOKUP_TARGET, |
| "portmap", SPECIAL_RPCBIND_TARGET, |
| "remote_fs", SPECIAL_REMOTE_FS_TARGET, |
| "syslog", NULL, |
| "time", SPECIAL_TIME_SYNC_TARGET, |
| }; |
| |
| const char *filename; |
| char *filename_no_sh, *e, *m; |
| const char *n; |
| unsigned i; |
| int r; |
| |
| assert(name); |
| assert(s); |
| assert(ret); |
| |
| filename = basename(s->path); |
| |
| n = *name == '$' ? name + 1 : name; |
| |
| for (i = 0; i < ELEMENTSOF(table); i += 2) { |
| if (!streq(table[i], n)) |
| continue; |
| |
| if (!table[i+1]) { |
| *ret = NULL; |
| return 0; |
| } |
| |
| m = strdup(table[i+1]); |
| if (!m) |
| return log_oom(); |
| |
| *ret = m; |
| return 1; |
| } |
| |
| /* If we don't know this name, fallback heuristics to figure |
| * out whether something is a target or a service alias. */ |
| |
| /* Facilities starting with $ are most likely targets */ |
| if (*name == '$') { |
| r = unit_name_build(n, NULL, ".target", ret); |
| if (r < 0) |
| return log_error_errno(r, "[%s:%u] Could not build name for facility %s: %m", s->path, line, name); |
| |
| return 1; |
| } |
| |
| /* Strip ".sh" suffix from file name for comparison */ |
| filename_no_sh = strdupa(filename); |
| e = endswith(filename_no_sh, ".sh"); |
| if (e) { |
| *e = '\0'; |
| filename = filename_no_sh; |
| } |
| |
| /* Names equaling the file name of the services are redundant */ |
| if (streq_ptr(n, filename)) { |
| *ret = NULL; |
| return 0; |
| } |
| |
| /* Everything else we assume to be normal service names */ |
| m = sysv_translate_name(n); |
| if (!m) |
| return log_oom(); |
| |
| *ret = m; |
| return 1; |
| } |
| |
| static int handle_provides(SysvStub *s, unsigned line, const char *full_text, const char *text) { |
| int r; |
| |
| assert(s); |
| assert(full_text); |
| assert(text); |
| |
| for (;;) { |
| _cleanup_free_ char *word = NULL, *m = NULL; |
| |
| r = extract_first_word(&text, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX); |
| if (r < 0) |
| return log_error_errno(r, "[%s:%u] Failed to parse word from provides string: %m", s->path, line); |
| if (r == 0) |
| break; |
| |
| r = sysv_translate_facility(s, line, word, &m); |
| if (r <= 0) /* continue on error */ |
| continue; |
| |
| switch (unit_name_to_type(m)) { |
| |
| case UNIT_SERVICE: |
| log_debug("Adding Provides: alias '%s' for '%s'", m, s->name); |
| r = add_alias(s->name, m); |
| if (r < 0) |
| log_warning_errno(r, "[%s:%u] Failed to add LSB Provides name %s, ignoring: %m", s->path, line, m); |
| break; |
| |
| case UNIT_TARGET: |
| |
| /* NB: SysV targets which are provided by a |
| * service are pulled in by the services, as |
| * an indication that the generic service is |
| * now available. This is strictly one-way. |
| * The targets do NOT pull in SysV services! */ |
| |
| r = strv_extend(&s->before, m); |
| if (r < 0) |
| return log_oom(); |
| |
| r = strv_extend(&s->wants, m); |
| if (r < 0) |
| return log_oom(); |
| |
| if (streq(m, SPECIAL_NETWORK_ONLINE_TARGET)) { |
| r = strv_extend(&s->before, SPECIAL_NETWORK_TARGET); |
| if (r < 0) |
| return log_oom(); |
| r = strv_extend(&s->wants, SPECIAL_NETWORK_TARGET); |
| if (r < 0) |
| return log_oom(); |
| } |
| |
| break; |
| |
| case _UNIT_TYPE_INVALID: |
| log_warning("Unit name '%s' is invalid", m); |
| break; |
| |
| default: |
| log_warning("Unknown unit type for unit '%s'", m); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int handle_dependencies(SysvStub *s, unsigned line, const char *full_text, const char *text) { |
| int r; |
| |
| assert(s); |
| assert(full_text); |
| assert(text); |
| |
| for (;;) { |
| _cleanup_free_ char *word = NULL, *m = NULL; |
| bool is_before; |
| |
| r = extract_first_word(&text, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX); |
| if (r < 0) |
| return log_error_errno(r, "[%s:%u] Failed to parse word from provides string: %m", s->path, line); |
| if (r == 0) |
| break; |
| |
| r = sysv_translate_facility(s, line, word, &m); |
| if (r <= 0) /* continue on error */ |
| continue; |
| |
| is_before = startswith_no_case(full_text, "X-Start-Before:"); |
| |
| if (streq(m, SPECIAL_NETWORK_ONLINE_TARGET) && !is_before) { |
| /* the network-online target is special, as it needs to be actively pulled in */ |
| r = strv_extend(&s->after, m); |
| if (r < 0) |
| return log_oom(); |
| |
| r = strv_extend(&s->wants, m); |
| } else |
| r = strv_extend(is_before ? &s->before : &s->after, m); |
| if (r < 0) |
| return log_oom(); |
| } |
| |
| return 0; |
| } |
| |
| static int load_sysv(SysvStub *s) { |
| _cleanup_fclose_ FILE *f; |
| unsigned line = 0; |
| int r; |
| enum { |
| NORMAL, |
| DESCRIPTION, |
| LSB, |
| LSB_DESCRIPTION, |
| USAGE_CONTINUATION |
| } state = NORMAL; |
| _cleanup_free_ char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL; |
| char *description; |
| bool supports_reload = false; |
| |
| assert(s); |
| |
| f = fopen(s->path, "re"); |
| if (!f) { |
| if (errno == ENOENT) |
| return 0; |
| |
| return log_error_errno(errno, "Failed to open %s: %m", s->path); |
| } |
| |
| log_debug("Loading SysV script %s", s->path); |
| |
| for (;;) { |
| _cleanup_free_ char *l = NULL; |
| char *t; |
| |
| r = read_line(f, LONG_LINE_MAX, &l); |
| if (r < 0) |
| return log_error_errno(r, "Failed to read configuration file '%s': %m", s->path); |
| if (r == 0) |
| break; |
| |
| line++; |
| |
| t = strstrip(l); |
| if (*t != '#') { |
| /* Try to figure out whether this init script supports |
| * the reload operation. This heuristic looks for |
| * "Usage" lines which include the reload option. */ |
| if (state == USAGE_CONTINUATION || |
| (state == NORMAL && strcasestr(t, "usage"))) { |
| if (usage_contains_reload(t)) { |
| supports_reload = true; |
| state = NORMAL; |
| } else if (t[strlen(t)-1] == '\\') |
| state = USAGE_CONTINUATION; |
| else |
| state = NORMAL; |
| } |
| |
| continue; |
| } |
| |
| if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { |
| state = LSB; |
| s->has_lsb = true; |
| continue; |
| } |
| |
| if (IN_SET(state, LSB_DESCRIPTION, LSB) && streq(t, "### END INIT INFO")) { |
| state = NORMAL; |
| continue; |
| } |
| |
| t++; |
| t += strspn(t, WHITESPACE); |
| |
| if (state == NORMAL) { |
| |
| /* Try to parse Red Hat style description */ |
| |
| if (startswith_no_case(t, "description:")) { |
| |
| size_t k; |
| const char *j; |
| |
| k = strlen(t); |
| if (k > 0 && t[k-1] == '\\') { |
| state = DESCRIPTION; |
| t[k-1] = 0; |
| } |
| |
| j = empty_to_null(strstrip(t+12)); |
| |
| r = free_and_strdup(&chkconfig_description, j); |
| if (r < 0) |
| return log_oom(); |
| |
| } else if (startswith_no_case(t, "pidfile:")) { |
| const char *fn; |
| |
| state = NORMAL; |
| |
| fn = strstrip(t+8); |
| if (!path_is_absolute(fn)) { |
| log_error("[%s:%u] PID file not absolute. Ignoring.", s->path, line); |
| continue; |
| } |
| |
| r = free_and_strdup(&s->pid_file, fn); |
| if (r < 0) |
| return log_oom(); |
| } |
| |
| } else if (state == DESCRIPTION) { |
| |
| /* Try to parse Red Hat style description |
| * continuation */ |
| |
| size_t k; |
| char *j; |
| |
| k = strlen(t); |
| if (k > 0 && t[k-1] == '\\') |
| t[k-1] = 0; |
| else |
| state = NORMAL; |
| |
| j = strstrip(t); |
| if (!isempty(j)) { |
| char *d = NULL; |
| |
| if (chkconfig_description) |
| d = strjoin(chkconfig_description, " ", j); |
| else |
| d = strdup(j); |
| if (!d) |
| return log_oom(); |
| |
| free(chkconfig_description); |
| chkconfig_description = d; |
| } |
| |
| } else if (IN_SET(state, LSB, LSB_DESCRIPTION)) { |
| |
| if (startswith_no_case(t, "Provides:")) { |
| state = LSB; |
| |
| r = handle_provides(s, line, t, t + 9); |
| if (r < 0) |
| return r; |
| |
| } else if (startswith_no_case(t, "Required-Start:") || |
| startswith_no_case(t, "Should-Start:") || |
| startswith_no_case(t, "X-Start-Before:") || |
| startswith_no_case(t, "X-Start-After:")) { |
| |
| state = LSB; |
| |
| r = handle_dependencies(s, line, t, strchr(t, ':') + 1); |
| if (r < 0) |
| return r; |
| |
| } else if (startswith_no_case(t, "Description:")) { |
| const char *j; |
| |
| state = LSB_DESCRIPTION; |
| |
| j = empty_to_null(strstrip(t+12)); |
| |
| r = free_and_strdup(&long_description, j); |
| if (r < 0) |
| return log_oom(); |
| |
| } else if (startswith_no_case(t, "Short-Description:")) { |
| const char *j; |
| |
| state = LSB; |
| |
| j = empty_to_null(strstrip(t+18)); |
| |
| r = free_and_strdup(&short_description, j); |
| if (r < 0) |
| return log_oom(); |
| |
| } else if (state == LSB_DESCRIPTION) { |
| |
| if (startswith(l, "#\t") || startswith(l, "# ")) { |
| const char *j; |
| |
| j = strstrip(t); |
| if (!isempty(j)) { |
| char *d = NULL; |
| |
| if (long_description) |
| d = strjoin(long_description, " ", t); |
| else |
| d = strdup(j); |
| if (!d) |
| return log_oom(); |
| |
| free(long_description); |
| long_description = d; |
| } |
| |
| } else |
| state = LSB; |
| } |
| } |
| } |
| |
| s->reload = supports_reload; |
| |
| /* We use the long description only if |
| * no short description is set. */ |
| |
| if (short_description) |
| description = short_description; |
| else if (chkconfig_description) |
| description = chkconfig_description; |
| else if (long_description) |
| description = long_description; |
| else |
| description = NULL; |
| |
| if (description) { |
| char *d; |
| |
| d = strappend(s->has_lsb ? "LSB: " : "SYSV: ", description); |
| if (!d) |
| return log_oom(); |
| |
| s->description = d; |
| } |
| |
| s->loaded = true; |
| return 0; |
| } |
| |
| static int fix_order(SysvStub *s, Hashmap *all_services) { |
| SysvStub *other; |
| Iterator j; |
| int r; |
| |
| assert(s); |
| |
| if (!s->loaded) |
| return 0; |
| |
| if (s->sysv_start_priority < 0) |
| return 0; |
| |
| HASHMAP_FOREACH(other, all_services, j) { |
| if (s == other) |
| continue; |
| |
| if (!other->loaded) |
| continue; |
| |
| if (other->sysv_start_priority < 0) |
| continue; |
| |
| /* If both units have modern headers we don't care |
| * about the priorities */ |
| if (s->has_lsb && other->has_lsb) |
| continue; |
| |
| if (other->sysv_start_priority < s->sysv_start_priority) { |
| r = strv_extend(&s->after, other->name); |
| if (r < 0) |
| return log_oom(); |
| |
| } else if (other->sysv_start_priority > s->sysv_start_priority) { |
| r = strv_extend(&s->before, other->name); |
| if (r < 0) |
| return log_oom(); |
| } else |
| continue; |
| |
| /* FIXME: Maybe we should compare the name here lexicographically? */ |
| } |
| |
| return 0; |
| } |
| |
| static int acquire_search_path(const char *def, const char *envvar, char ***ret) { |
| _cleanup_strv_free_ char **l = NULL; |
| const char *e; |
| int r; |
| |
| assert(def); |
| assert(envvar); |
| |
| e = getenv(envvar); |
| if (e) { |
| r = path_split_and_make_absolute(e, &l); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make $%s search path absolute: %m", envvar); |
| } |
| |
| if (strv_isempty(l)) { |
| strv_free(l); |
| |
| l = strv_new(def); |
| if (!l) |
| return log_oom(); |
| } |
| |
| if (!path_strv_resolve_uniq(l, NULL)) |
| return log_oom(); |
| |
| *ret = TAKE_PTR(l); |
| |
| return 0; |
| } |
| |
| static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) { |
| _cleanup_strv_free_ char **sysvinit_path = NULL; |
| char **path; |
| int r; |
| |
| assert(lp); |
| |
| r = acquire_search_path(SYSTEM_SYSVINIT_PATH, "SYSTEMD_SYSVINIT_PATH", &sysvinit_path); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(path, sysvinit_path) { |
| _cleanup_closedir_ DIR *d = NULL; |
| struct dirent *de; |
| |
| d = opendir(*path); |
| if (!d) { |
| if (errno != ENOENT) |
| log_warning_errno(errno, "Opening %s failed, ignoring: %m", *path); |
| continue; |
| } |
| |
| FOREACH_DIRENT(de, d, log_error_errno(errno, "Failed to enumerate directory %s, ignoring: %m", *path)) { |
| _cleanup_free_ char *fpath = NULL, *name = NULL; |
| _cleanup_(free_sysvstubp) SysvStub *service = NULL; |
| struct stat st; |
| |
| if (fstatat(dirfd(d), de->d_name, &st, 0) < 0) { |
| log_warning_errno(errno, "stat() failed on %s/%s, ignoring: %m", *path, de->d_name); |
| continue; |
| } |
| |
| if (!(st.st_mode & S_IXUSR)) |
| continue; |
| |
| if (!S_ISREG(st.st_mode)) |
| continue; |
| |
| name = sysv_translate_name(de->d_name); |
| if (!name) |
| return log_oom(); |
| |
| if (hashmap_contains(all_services, name)) |
| continue; |
| |
| r = unit_file_exists(UNIT_FILE_SYSTEM, lp, name); |
| if (r < 0 && !IN_SET(r, -ELOOP, -ERFKILL, -EADDRNOTAVAIL)) { |
| log_debug_errno(r, "Failed to detect whether %s exists, skipping: %m", name); |
| continue; |
| } else if (r != 0) { |
| log_debug("Native unit for %s already exists, skipping.", name); |
| continue; |
| } |
| |
| fpath = strjoin(*path, "/", de->d_name); |
| if (!fpath) |
| return log_oom(); |
| |
| service = new0(SysvStub, 1); |
| if (!service) |
| return log_oom(); |
| |
| service->sysv_start_priority = -1; |
| service->name = TAKE_PTR(name); |
| service->path = TAKE_PTR(fpath); |
| |
| r = hashmap_put(all_services, service->name, service); |
| if (r < 0) |
| return log_oom(); |
| |
| service = NULL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int set_dependencies_from_rcnd(const LookupPaths *lp, Hashmap *all_services) { |
| Set *runlevel_services[ELEMENTSOF(rcnd_table)] = {}; |
| _cleanup_strv_free_ char **sysvrcnd_path = NULL; |
| SysvStub *service; |
| unsigned i; |
| Iterator j; |
| char **p; |
| int r; |
| |
| assert(lp); |
| |
| r = acquire_search_path(SYSTEM_SYSVRCND_PATH, "SYSTEMD_SYSVRCND_PATH", &sysvrcnd_path); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(p, sysvrcnd_path) { |
| for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
| |
| _cleanup_closedir_ DIR *d = NULL; |
| _cleanup_free_ char *path = NULL; |
| struct dirent *de; |
| |
| path = strjoin(*p, "/", rcnd_table[i].path); |
| if (!path) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| d = opendir(path); |
| if (!d) { |
| if (errno != ENOENT) |
| log_warning_errno(errno, "Opening %s failed, ignoring: %m", path); |
| |
| continue; |
| } |
| |
| FOREACH_DIRENT(de, d, log_error_errno(errno, "Failed to enumerate directory %s, ignoring: %m", path)) { |
| _cleanup_free_ char *name = NULL, *fpath = NULL; |
| int a, b; |
| |
| if (de->d_name[0] != 'S') |
| continue; |
| |
| if (strlen(de->d_name) < 4) |
| continue; |
| |
| a = undecchar(de->d_name[1]); |
| b = undecchar(de->d_name[2]); |
| |
| if (a < 0 || b < 0) |
| continue; |
| |
| fpath = strjoin(*p, "/", de->d_name); |
| if (!fpath) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| name = sysv_translate_name(de->d_name + 3); |
| if (!name) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| service = hashmap_get(all_services, name); |
| if (!service) { |
| log_debug("Ignoring %s symlink in %s, not generating %s.", de->d_name, rcnd_table[i].path, name); |
| continue; |
| } |
| |
| service->sysv_start_priority = MAX(a*10 + b, service->sysv_start_priority); |
| |
| r = set_ensure_allocated(&runlevel_services[i], NULL); |
| if (r < 0) { |
| log_oom(); |
| goto finish; |
| } |
| |
| r = set_put(runlevel_services[i], service); |
| if (r < 0) { |
| log_oom(); |
| goto finish; |
| } |
| } |
| } |
| } |
| |
| for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) |
| SET_FOREACH(service, runlevel_services[i], j) { |
| r = strv_extend(&service->before, rcnd_table[i].target); |
| if (r < 0) { |
| log_oom(); |
| goto finish; |
| } |
| r = strv_extend(&service->wanted_by, rcnd_table[i].target); |
| if (r < 0) { |
| log_oom(); |
| goto finish; |
| } |
| } |
| |
| r = 0; |
| |
| finish: |
| for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
| set_free(runlevel_services[i]); |
| |
| return r; |
| } |
| |
| static int run(const char *dest, const char *dest_early, const char *dest_late) { |
| _cleanup_(free_sysvstub_hashmapp) Hashmap *all_services = NULL; |
| _cleanup_(lookup_paths_free) LookupPaths lp = {}; |
| SysvStub *service; |
| Iterator j; |
| int r; |
| |
| assert_se(arg_dest = dest_late); |
| |
| r = lookup_paths_init(&lp, UNIT_FILE_SYSTEM, LOOKUP_PATHS_EXCLUDE_GENERATED, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to find lookup paths: %m"); |
| |
| all_services = hashmap_new(&string_hash_ops); |
| if (!all_services) |
| return log_oom(); |
| |
| r = enumerate_sysv(&lp, all_services); |
| if (r < 0) |
| return r; |
| |
| r = set_dependencies_from_rcnd(&lp, all_services); |
| if (r < 0) |
| return r; |
| |
| HASHMAP_FOREACH(service, all_services, j) |
| (void) load_sysv(service); |
| |
| HASHMAP_FOREACH(service, all_services, j) { |
| (void) fix_order(service, all_services); |
| (void) generate_unit_file(service); |
| } |
| |
| return 0; |
| } |
| |
| DEFINE_MAIN_GENERATOR_FUNCTION(run); |