#include <linux/kd.h>
#include <dlfcn.h>
#include <sys/wait.h>
+#include <sys/capability.h>
#include "macro.h"
#include "util.h"
#include "exit-status.h"
#include "hashmap.h"
+size_t page_size(void) {
+ static __thread size_t pgsz = 0;
+ long r;
+
+ if (pgsz)
+ return pgsz;
+
+ assert_se((r = sysconf(_SC_PAGESIZE)) > 0);
+
+ pgsz = (size_t) r;
+
+ return pgsz;
+}
+
bool streq_ptr(const char *a, const char *b) {
/* Like streq(), but tries to make sense of NULL pointers */
int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
int r;
FILE *f;
- char fn[132], line[256], *p;
+ char fn[PATH_MAX], line[LINE_MAX], *p;
long unsigned ppid;
- assert(pid >= 0);
+ assert(pid > 0);
assert(_ppid);
assert_se(snprintf(fn, sizeof(fn)-1, "/proc/%lu/stat", (unsigned long) pid) < (int) (sizeof(fn)-1));
- fn[sizeof(fn)-1] = 0;
+ char_array_0(fn);
if (!(f = fopen(fn, "r")))
return -errno;
return 0;
}
+int get_starttime_of_pid(pid_t pid, unsigned long long *st) {
+ int r;
+ FILE *f;
+ char fn[PATH_MAX], line[LINE_MAX], *p;
+
+ assert(pid > 0);
+ assert(st);
+
+ assert_se(snprintf(fn, sizeof(fn)-1, "/proc/%lu/stat", (unsigned long) pid) < (int) (sizeof(fn)-1));
+ char_array_0(fn);
+
+ if (!(f = fopen(fn, "r")))
+ return -errno;
+
+ if (!(fgets(line, sizeof(line), f))) {
+ r = -errno;
+ fclose(f);
+ return r;
+ }
+
+ fclose(f);
+
+ /* Let's skip the pid and comm fields. The latter is enclosed
+ * in () but does not escape any () in its value, so let's
+ * skip over it manually */
+
+ if (!(p = strrchr(line, ')')))
+ return -EIO;
+
+ p++;
+
+ if (sscanf(p, " "
+ "%*c " /* state */
+ "%*d " /* ppid */
+ "%*d " /* pgrp */
+ "%*d " /* session */
+ "%*d " /* tty_nr */
+ "%*d " /* tpgid */
+ "%*u " /* flags */
+ "%*u " /* minflt */
+ "%*u " /* cminflt */
+ "%*u " /* majflt */
+ "%*u " /* cmajflt */
+ "%*u " /* utime */
+ "%*u " /* stime */
+ "%*d " /* cutime */
+ "%*d " /* cstime */
+ "%*d " /* priority */
+ "%*d " /* nice */
+ "%*d " /* num_threads */
+ "%*d " /* itrealvalue */
+ "%llu " /* starttime */,
+ st) != 1)
+ return -EIO;
+
+ return 0;
+}
+
int write_one_line_file(const char *fn, const char *line) {
FILE *f;
int r;
if (!endswith(line, "\n"))
fputc('\n', f);
- r = 0;
+ fflush(f);
+
+ if (ferror(f)) {
+ if (errno != 0)
+ r = -errno;
+ else
+ r = -EIO;
+ } else
+ r = 0;
+
finish:
fclose(f);
return r;
goto finish;
}
+ truncate_nl(c);
+
*line = c;
r = 0;
return r;
}
+int write_env_file(const char *fname, char **l) {
+
+ char **i;
+ FILE *f;
+ int r;
+
+ f = fopen(fname, "we");
+ if (!f)
+ return -errno;
+
+ STRV_FOREACH(i, l) {
+ fputs(*i, f);
+ fputc('\n', f);
+ }
+
+ fflush(f);
+
+ r = ferror(f) ? -errno : 0;
+ fclose(f);
+
+ return r;
+}
+
char *truncate_nl(char *s) {
assert(s);
if (r < 0)
return r;
- truncate_nl(*name);
return 0;
}
int read_one_char(FILE *f, char *ret, bool *need_nl) {
struct termios old_termios, new_termios;
char c;
- char line[1024];
+ char line[LINE_MAX];
assert(f);
assert(ret);
pollfd.events = POLLIN;
for (;;) {
- char buf[1024];
+ char buf[LINE_MAX];
ssize_t l;
int r;
int get_ctty_devnr(dev_t *d) {
int k;
- char line[256], *p;
+ char line[LINE_MAX], *p;
unsigned long ttynr;
FILE *f;
int get_ctty(char **r, dev_t *_devnr) {
int k;
- char fn[128], *s, *b, *p;
+ char fn[PATH_MAX], *s, *b, *p;
dev_t devnr;
assert(r);
if (r != -ENOENT)
log_warning("Failed to read /etc/system-release: %s", strerror(-r));
- } else
- truncate_nl(pretty_name);
+ }
}
if (!ansi_color && pretty_name) {
if (r != -ENOENT)
log_warning("Failed to read /etc/SuSE-release: %s", strerror(-r));
- } else
- truncate_nl(pretty_name);
+ }
}
if (!ansi_color)
if (r != -ENOENT)
log_warning("Failed to read /etc/gentoo-release: %s", strerror(-r));
- } else
- truncate_nl(pretty_name);
+ }
}
if (!ansi_color)
if (r != -ENOENT)
log_warning("Failed to read /etc/altlinux-release: %s", strerror(-r));
- } else
- truncate_nl(pretty_name);
+ }
}
if (!ansi_color)
if (r != -ENOENT)
log_warning("Failed to read /etc/debian_version: %s", strerror(-r));
} else {
- truncate_nl(version);
pretty_name = strappend("Debian ", version);
free(version);
free(s);
}
}
+#elif defined(TARGET_MEEGO)
+
+ if (!pretty_name) {
+ if ((r = read_one_line_file("/etc/meego-release", &pretty_name)) < 0) {
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/meego-release: %s", strerror(-r));
+ }
+ }
+
+ if (!ansi_color)
+ const_color = "1;35"; /* Bright Magenta for MeeGo */
#endif
if (!pretty_name && !const_pretty)
assert(path);
- if ((fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666)) < 0)
+ if ((fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0644)) < 0)
return -errno;
close_nointr_nofail(fd);
free(p);
if (!value) {
- free(p);
free(name);
return NULL;
}
* TERM */
if (streq(tty, "console"))
if (read_one_line_file("/sys/class/tty/console/active", &active) >= 0) {
- truncate_nl(active);
-
/* If multiple log outputs are configured the
* last one is what /dev/console points to */
if ((tty = strrchr(active, ' ')))
fclose(f);
if (id)
- *id = "ns";
+ *id = "pidns";
return 1;
}
return false;
}
+bool plymouth_running(void) {
+ return access("/run/plymouth/pid", F_OK) >= 0;
+}
+
+void parse_syslog_priority(char **p, int *priority) {
+ int a = 0, b = 0, c = 0;
+ int k;
+
+ assert(p);
+ assert(*p);
+ assert(priority);
+
+ if ((*p)[0] != '<')
+ return;
+
+ if (!strchr(*p, '>'))
+ return;
+
+ if ((*p)[2] == '>') {
+ c = undecchar((*p)[1]);
+ k = 3;
+ } else if ((*p)[3] == '>') {
+ b = undecchar((*p)[1]);
+ c = undecchar((*p)[2]);
+ k = 4;
+ } else if ((*p)[4] == '>') {
+ a = undecchar((*p)[1]);
+ b = undecchar((*p)[2]);
+ c = undecchar((*p)[3]);
+ k = 5;
+ } else
+ return;
+
+ if (a < 0 || b < 0 || c < 0)
+ return;
+
+ *priority = a*100+b*10+c;
+ *p += k;
+}
+
+int have_effective_cap(int value) {
+ cap_t cap;
+ cap_flag_value_t fv;
+ int r;
+
+ if (!(cap = cap_get_proc()))
+ return -errno;
+
+ if (cap_get_flag(cap, value, CAP_EFFECTIVE, &fv) < 0)
+ r = -errno;
+ else
+ r = fv == CAP_SET;
+
+ cap_free(cap);
+ return r;
+}
+
+char* strshorten(char *s, size_t l) {
+ assert(s);
+
+ if (l < strlen(s))
+ s[l] = 0;
+
+ return s;
+}
+
+static bool hostname_valid_char(char c) {
+ return
+ (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c >= '0' && c <= '9') ||
+ c == '-' ||
+ c == '_' ||
+ c == '.';
+}
+
+bool hostname_is_valid(const char *s) {
+ const char *p;
+
+ if (isempty(s))
+ return false;
+
+ for (p = s; *p; p++)
+ if (!hostname_valid_char(*p))
+ return false;
+
+ if (p-s > HOST_NAME_MAX)
+ return false;
+
+ return true;
+}
+
+char* hostname_cleanup(char *s) {
+ char *p, *d;
+
+ for (p = s, d = s; *p; p++)
+ if ((*p >= 'a' && *p <= 'z') ||
+ (*p >= 'A' && *p <= 'Z') ||
+ (*p >= '0' && *p <= '9') ||
+ *p == '-' ||
+ *p == '_' ||
+ *p == '.')
+ *(d++) = *p;
+
+ *d = 0;
+
+ strshorten(s, HOST_NAME_MAX);
+ return s;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
DEFINE_STRING_TABLE_LOOKUP(sigchld_code, int);
-static const char *const log_facility_table[LOG_NFACILITIES] = {
+static const char *const log_facility_unshifted_table[LOG_NFACILITIES] = {
[LOG_FAC(LOG_KERN)] = "kern",
[LOG_FAC(LOG_USER)] = "user",
[LOG_FAC(LOG_MAIL)] = "mail",
[LOG_FAC(LOG_LOCAL7)] = "local7"
};
-DEFINE_STRING_TABLE_LOOKUP(log_facility, int);
+DEFINE_STRING_TABLE_LOOKUP(log_facility_unshifted, int);
static const char *const log_level_table[] = {
[LOG_EMERG] = "emerg",
};
DEFINE_STRING_TABLE_LOOKUP(signal, int);
+
+static int file_is_conf(const struct dirent *d, const char *suffix) {
+ assert(d);
+
+ if (ignore_file(d->d_name))
+ return 0;
+
+ if (d->d_type != DT_REG &&
+ d->d_type != DT_LNK &&
+ d->d_type != DT_UNKNOWN)
+ return 0;
+
+ return endswith(d->d_name, suffix);
+}
+
+static int files_add(Hashmap *h, const char *path, const char *suffix) {
+ DIR *dir;
+ struct dirent *de;
+ int r = 0;
+
+ dir = opendir(path);
+ if (!dir) {
+ if (errno == ENOENT)
+ return 0;
+ return -errno;
+ }
+
+ for (de = readdir(dir); de; de = readdir(dir)) {
+ char *f;
+ const char *base;
+
+ if (!file_is_conf(de, suffix))
+ continue;
+
+ if (asprintf(&f, "%s/%s", path, de->d_name) < 0) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ log_debug("found: %s\n", f);
+ base = f + strlen(path) + 1;
+ if (hashmap_put(h, base, f) <= 0)
+ free(f);
+ }
+
+finish:
+ closedir(dir);
+ return r;
+}
+
+static int base_cmp(const void *a, const void *b) {
+ const char *s1, *s2;
+
+ s1 = *(char * const *)a;
+ s2 = *(char * const *)b;
+ return strcmp(file_name_from_path(s1), file_name_from_path(s2));
+}
+
+char **conf_files_list(const char *suffix, const char *dir, ...) {
+ Hashmap *fh;
+ char **files = NULL;
+ va_list ap;
+ int e = 0;
+
+ fh = hashmap_new(string_hash_func, string_compare_func);
+ if (!fh) {
+ e = ENOMEM;
+ goto finish;
+ }
+
+ va_start(ap, dir);
+ while (dir) {
+ if (files_add(fh, dir, suffix) < 0) {
+ log_error("Failed to search for files.");
+ e = EINVAL;
+ goto finish;
+ }
+ dir = va_arg(ap, const char *);
+ }
+ va_end(ap);
+
+ files = hashmap_get_strv(fh);
+ if (files == NULL) {
+ log_error("Failed to compose list of files.");
+ e = ENOMEM;
+ goto finish;
+ }
+
+ qsort(files, hashmap_size(fh), sizeof(char *), base_cmp);
+finish:
+ hashmap_free(fh);
+ errno = e;
+ return files;
+}