X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fload-fragment.c;h=e35fdbc5ecc3809676eddad82469fbc3eb5d1020;hb=ee09281729588900edc06152032a0cc09557f998;hp=580304417876d0af9ed3881cde6c2507b687ddd8;hpb=f8b69d1dfc307562a353f6aa923b7c2b915aaddb;p=elogind.git diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index 580304417..e35fdbc5e 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -4,6 +4,7 @@ This file is part of systemd. Copyright 2010 Lennart Poettering + Copyright 2012 Holger Hans Peter Freyther systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -85,7 +86,7 @@ int config_parse_unit_deps( assert(rvalue); FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *t, *k; + char _cleanup_free_ *t = NULL, *k = NULL; int r; t = strndup(w, l); @@ -93,15 +94,13 @@ int config_parse_unit_deps( return -ENOMEM; k = unit_name_printf(u, t); - free(t); if (!k) return -ENOMEM; r = unit_add_dependency_by_name(u, d, k, NULL, true); if (r < 0) - log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", filename, line, k, strerror(-r)); - - free(k); + log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", + filename, line, k, strerror(-r)); } return 0; @@ -438,6 +437,7 @@ int config_parse_exec( e += ltype; for (;;) { + int i; char *w; size_t l; char *state; @@ -452,18 +452,21 @@ int config_parse_exec( if (rvalue[0] == 0) break; - if (rvalue[0] == '-') { - ignore = true; - rvalue ++; - } + for (i = 0; i < 2; i++) { + if (rvalue[0] == '-' && !ignore) { + ignore = true; + rvalue ++; + } - if (rvalue[0] == '@') { - honour_argv0 = true; - rvalue ++; + if (rvalue[0] == '@' && !honour_argv0) { + honour_argv0 = true; + rvalue ++; + } } if (*rvalue != '/') { - log_error("[%s:%u] Invalid executable path in command line, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Executable path is not absolute, ignoring: %s", + filename, line, rvalue); return 0; } @@ -483,6 +486,8 @@ int config_parse_exec( FOREACH_WORD_QUOTED(w, l, rvalue, state) { if (strncmp(w, ";", MAX(l, 1U)) == 0) break; + else if (strncmp(w, "\\;", MAX(l, 1U)) == 0) + w ++; if (honour_argv0 && w == rvalue) { assert(!path); @@ -683,6 +688,8 @@ int config_parse_exec_cpu_sched_policy( } c->cpu_sched_policy = x; + /* Moving to or from real-time policy? We need to adjust the priority */ + c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(x), sched_get_priority_max(x)); c->cpu_sched_set = true; return 0; @@ -699,19 +706,28 @@ int config_parse_exec_cpu_sched_prio( void *userdata) { ExecContext *c = data; - int i; + int i, min, max; assert(filename); assert(lvalue); assert(rvalue); assert(data); - /* On Linux RR/FIFO have the same range */ - if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { + if (safe_atoi(rvalue, &i) < 0) { log_error("[%s:%u] Failed to parse CPU scheduling priority, ignoring: %s", filename, line, rvalue); return 0; } + + /* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */ + min = sched_get_priority_min(c->cpu_sched_policy); + max = sched_get_priority_max(c->cpu_sched_policy); + + if (i < min || i > max) { + log_error("[%s:%u] CPU scheduling priority is out of range, ignoring: %s", filename, line, rvalue); + return 0; + } + c->cpu_sched_priority = i; c->cpu_sched_set = true; @@ -739,22 +755,25 @@ int config_parse_exec_cpu_affinity( assert(data); FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *t; + char _cleanup_free_ *t = NULL; int r; unsigned cpu; - if (!(t = strndup(w, l))) + t = strndup(w, l); + if (!t) return -ENOMEM; r = safe_atou(t, &cpu); - free(t); - if (!(c->cpuset)) - if (!(c->cpuset = cpu_set_malloc(&c->cpuset_ncpus))) + if (!c->cpuset) { + c->cpuset = cpu_set_malloc(&c->cpuset_ncpus); + if (!c->cpuset) return -ENOMEM; + } if (r < 0 || cpu >= c->cpuset_ncpus) { - log_error("[%s:%u] Failed to parse CPU affinity, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse CPU affinity %s, ignoring: %s", + filename, line, t, rvalue); return 0; } @@ -831,7 +850,8 @@ int config_parse_exec_secure_bits( else if (first_word(w, "noroot-locked")) c->secure_bits |= SECURE_NOROOT_LOCKED; else { - log_error("[%s:%u] Failed to parse secure bits, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse secure bits, ignoring: %s", + filename, line, rvalue); return 0; } } @@ -872,7 +892,7 @@ int config_parse_bounding_set( * interface. */ FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *t; + char _cleanup_free_ *t = NULL; int r; cap_value_t cap; @@ -881,10 +901,9 @@ int config_parse_bounding_set( return -ENOMEM; r = cap_from_name(t, &cap); - free(t); - if (r < 0) { - log_error("[%s:%u] Failed to parse capability bounding set, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse capability in bounding set, ignoring: %s", + filename, line, t); continue; } @@ -950,7 +969,7 @@ int config_parse_unit_cgroup( char *state; FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *t, *k; + char _cleanup_free_ *t = NULL, *k = NULL, *ku = NULL; int r; t = strndup(w, l); @@ -958,22 +977,17 @@ int config_parse_unit_cgroup( return -ENOMEM; k = unit_full_printf(u, t); - free(t); - if (!k) return -ENOMEM; - t = cunescape(k); - free(k); - - if (!t) + ku = cunescape(k); + if (!ku) return -ENOMEM; - r = unit_add_cgroup_from_text(u, t); - free(t); - + r = unit_add_cgroup_from_text(u, ku); if (r < 0) { - log_error("[%s:%u] Failed to parse cgroup value, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse cgroup value %s, ignoring: %s", + filename, line, k, rvalue); return 0; } } @@ -1087,15 +1101,22 @@ int config_parse_exec_mount_flags( assert(rvalue); assert(data); - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (strncmp(w, "shared", MAX(l, 6U)) == 0) + FOREACH_WORD_SEPARATOR(w, l, rvalue, ", ", state) { + char _cleanup_free_ *t; + + t = strndup(w, l); + if (!t) + return -ENOMEM; + + if (streq(t, "shared")) flags |= MS_SHARED; - else if (strncmp(w, "slave", MAX(l, 5U)) == 0) + else if (streq(t, "slave")) flags |= MS_SLAVE; - else if (strncmp(w, "private", MAX(l, 7U)) == 0) + else if (streq(w, "private")) flags |= MS_PRIVATE; else { - log_error("[%s:%u] Failed to parse mount flags, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse mount flag %s, ignoring: %s", + filename, line, t, rvalue); return 0; } } @@ -1115,30 +1136,47 @@ int config_parse_timer( void *userdata) { Timer *t = data; - usec_t u; + usec_t u = 0; TimerValue *v; TimerBase b; + CalendarSpec *c = NULL; + clockid_t id; assert(filename); assert(lvalue); assert(rvalue); assert(data); - if ((b = timer_base_from_string(lvalue)) < 0) { + b = timer_base_from_string(lvalue); + if (b < 0) { log_error("[%s:%u] Failed to parse timer base, ignoring: %s", filename, line, lvalue); return 0; } - if (parse_usec(rvalue, &u) < 0) { - log_error("[%s:%u] Failed to parse timer value, ignoring: %s", filename, line, rvalue); - return 0; + if (b == TIMER_CALENDAR) { + if (calendar_spec_from_string(rvalue, &c) < 0) { + log_error("[%s:%u] Failed to parse calendar specification, ignoring: %s", filename, line, rvalue); + return 0; + } + + id = CLOCK_REALTIME; + } else { + if (parse_usec(rvalue, &u) < 0) { + log_error("[%s:%u] Failed to parse timer value, ignoring: %s", filename, line, rvalue); + return 0; + } + + id = CLOCK_MONOTONIC; } - if (!(v = new0(TimerValue, 1))) + v = new0(TimerValue, 1); + if (!v) return -ENOMEM; v->base = b; + v->clock_id = id; v->value = u; + v->calendar_spec = c; LIST_PREPEND(TimerValue, value, t->values, v); @@ -1333,33 +1371,30 @@ int config_parse_service_sockets( assert(data); FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *t, *k; + char _cleanup_free_ *t = NULL, *k = NULL; t = strndup(w, l); if (!t) return -ENOMEM; k = unit_name_printf(UNIT(s), t); - free(t); - if (!k) return -ENOMEM; if (!endswith(k, ".socket")) { - log_error("[%s:%u] Unit must be of type socket, ignoring: %s", filename, line, rvalue); - free(k); + log_error("[%s:%u] Unit must be of type socket, ignoring: %s", + filename, line, k); continue; } r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true); if (r < 0) - log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", filename, line, k, strerror(-r)); + log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", + filename, line, k, strerror(-r)); r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true); if (r < 0) return r; - - free(k); } return 0; @@ -2087,17 +2122,17 @@ int config_parse_syscall_filter( FOREACH_WORD_QUOTED(w, l, rvalue, state) { int id; - char *t; + char _cleanup_free_ *t = NULL; t = strndup(w, l); if (!t) return -ENOMEM; id = syscall_from_name(t); - free(t); if (id < 0) { - log_error("[%s:%u] Failed to parse syscall, ignoring: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse syscall, ignoring: %s", + filename, line, t); continue; }