X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcondition.c;h=61812c25705cfec2ca6d6f0675921616b2d13790;hb=3b2775c5cea96060b2c4c44fee18b87b5d51cb02;hp=3ab4d4e225e6840af5ddc3fa91b215ec30cfc436;hpb=039655a40c77f88e4f9ccc00824f2f483f22f2c1;p=elogind.git diff --git a/src/condition.c b/src/condition.c index 3ab4d4e22..61812c257 100644 --- a/src/condition.c +++ b/src/condition.c @@ -27,11 +27,12 @@ #include "util.h" #include "condition.h" -Condition* condition_new(ConditionType type, const char *parameter, bool negate) { +Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) { Condition *c; c = new0(Condition, 1); c->type = type; + c->trigger = trigger; c->negate = negate; if (parameter) @@ -66,6 +67,9 @@ static bool test_kernel_command_line(const char *parameter) { assert(parameter); + if (detect_virtualization(NULL) > 0) + return false; + if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); return false; @@ -130,6 +134,14 @@ bool condition_test(Condition *c) { case CONDITION_PATH_EXISTS: return (access(c->parameter, F_OK) >= 0) == !c->negate; + case CONDITION_PATH_IS_DIRECTORY: { + struct stat st; + + if (lstat(c->parameter, &st) < 0) + return !c->negate; + return S_ISDIR(st.st_mode) == !c->negate; + } + case CONDITION_DIRECTORY_NOT_EMPTY: { int k; @@ -138,10 +150,10 @@ bool condition_test(Condition *c) { } case CONDITION_KERNEL_COMMAND_LINE: - return !!test_kernel_command_line(c->parameter) == !c->negate; + return test_kernel_command_line(c->parameter) == !c->negate; case CONDITION_VIRTUALIZATION: - return !!test_virtualization(c->parameter) == !c->negate; + return test_virtualization(c->parameter) == !c->negate; case CONDITION_NULL: return !c->negate; @@ -153,17 +165,28 @@ bool condition_test(Condition *c) { bool condition_test_list(Condition *first) { Condition *c; + int triggered = -1; /* If the condition list is empty, then it is true */ if (!first) return true; - /* Otherwise, if any of the conditions apply we return true */ - LIST_FOREACH(conditions, c, first) - if (condition_test(c)) - return true; + /* Otherwise, if all of the non-trigger conditions apply and + * if any of the trigger conditions apply (unless there are + * none) we return true */ + LIST_FOREACH(conditions, c, first) { + bool b; + + b = condition_test(c); + + if (!c->trigger && !b) + return false; + + if (c->trigger && triggered <= 0) + triggered = b; + } - return false; + return triggered != 0; } void condition_dump(Condition *c, FILE *f, const char *prefix) { @@ -174,9 +197,10 @@ void condition_dump(Condition *c, FILE *f, const char *prefix) { prefix = ""; fprintf(f, - "%s%s: %s%s\n", + "%s%s: %s%s%s\n", prefix, condition_type_to_string(c->type), + c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }