X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcondition.c;h=f84c81bd811cd48d2b8abbbf5424bd697a6f7db2;hp=76ee0370d22c398ef87bcad6331220ea16c0b8ff;hb=0d60602c3b4d4b65da672d75c6146f2ea4b27f88;hpb=7e2bb92dcae6ee785ff7462aadc8c369fd93715b diff --git a/src/condition.c b/src/condition.c index 76ee0370d..f84c81bd8 100644 --- a/src/condition.c +++ b/src/condition.c @@ -36,18 +36,21 @@ Condition* condition_new(ConditionType type, const char *parameter, bool trigger assert(type < _CONDITION_TYPE_MAX); - if (!(c = new0(Condition, 1))) + c = new0(Condition, 1); + if (!c) return NULL; c->type = type; c->trigger = trigger; c->negate = negate; - if (parameter) - if (!(c->parameter = strdup(parameter))) { + if (parameter) { + c->parameter = strdup(parameter); + if (!c->parameter) { free(c); return NULL; } + } return c; } @@ -75,10 +78,11 @@ static bool test_kernel_command_line(const char *parameter) { assert(parameter); - if (detect_virtualization(NULL) > 0) + if (detect_container(NULL) > 0) return false; - if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { + r = read_one_line_file("/proc/cmdline", &line); + if (r < 0) { log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); return false; } @@ -89,7 +93,8 @@ static bool test_kernel_command_line(const char *parameter) { FOREACH_WORD_QUOTED(w, l, line, state) { free(word); - if (!(word = strndup(w, l))) + word = strndup(w, l); + if (!word) break; if (equal) { @@ -118,7 +123,8 @@ static bool test_virtualization(const char *parameter) { assert(parameter); - if ((r = detect_virtualization(&id)) < 0) { + r = detect_virtualization(&id); + if (r < 0) { log_warning("Failed to detect virtualization, ignoring: %s", strerror(-r)); return false; } @@ -156,11 +162,22 @@ bool condition_test(Condition *c) { case CONDITION_PATH_IS_DIRECTORY: { struct stat st; - if (lstat(c->parameter, &st) < 0) + if (stat(c->parameter, &st) < 0) return !c->negate; return S_ISDIR(st.st_mode) == !c->negate; } + case CONDITION_PATH_IS_SYMBOLIC_LINK: { + struct stat st; + + if (lstat(c->parameter, &st) < 0) + return !c->negate; + return S_ISLNK(st.st_mode) == !c->negate; + } + + case CONDITION_PATH_IS_MOUNT_POINT: + return (path_is_mount_point(c->parameter, true) > 0) == !c->negate; + case CONDITION_DIRECTORY_NOT_EMPTY: { int k; @@ -168,6 +185,15 @@ bool condition_test(Condition *c) { return !(k == -ENOENT || k > 0) == !c->negate; } + case CONDITION_FILE_IS_EXECUTABLE: { + struct stat st; + + if (stat(c->parameter, &st) < 0) + return !c->negate; + + return (S_ISREG(st.st_mode) && (st.st_mode & 0111)) == !c->negate; + } + case CONDITION_KERNEL_COMMAND_LINE: return test_kernel_command_line(c->parameter) == !c->negate; @@ -238,6 +264,8 @@ static const char* const condition_type_table[_CONDITION_TYPE_MAX] = { [CONDITION_PATH_EXISTS] = "ConditionPathExists", [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob", [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory", + [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink", + [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint", [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty", [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine", [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",