}
int parse_pid(const char *s, pid_t* ret_pid) {
- unsigned long ul;
+ unsigned long ul = 0;
pid_t pid;
int r;
goto finish;
}
+ if (!endswith(line, "\n"))
+ fputc('\n', f);
+
r = 0;
finish:
fclose(f);
return make_stdio(null_fd);
}
-bool is_clean_exit(int code, int status) {
-
- if (code == CLD_EXITED)
- return status == 0;
-
- /* If a daemon does not implement handlers for some of the
- * signals that's not considered an unclean shutdown */
- if (code == CLD_KILLED)
- return
- status == SIGHUP ||
- status == SIGINT ||
- status == SIGTERM ||
- status == SIGPIPE;
-
- return false;
-}
-
-bool is_clean_exit_lsb(int code, int status) {
-
- if (is_clean_exit(code, status))
- return true;
-
- return
- code == CLD_EXITED &&
- (status == EXIT_NOTINSTALLED || status == EXIT_NOTCONFIGURED);
-}
-
bool is_device_path(const char *path) {
/* Returns true on paths that refer to a device, either in
}
void status_welcome(void) {
+ char *pretty_name = NULL, *ansi_color = NULL;
+ const char *const_pretty = NULL, *const_color = NULL;
+ int r;
-#if defined(TARGET_FEDORA)
- char *r;
+ if ((r = parse_env_file("/etc/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL)) < 0) {
- if (read_one_line_file("/etc/system-release", &r) < 0)
- return;
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/os-release: %s", strerror(-r));
+ }
+
+#if defined(TARGET_FEDORA)
+ if (!pretty_name) {
+ if ((r = read_one_line_file("/etc/system-release", &pretty_name)) < 0) {
- truncate_nl(r);
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/system-release: %s", strerror(-r));
+ } else
+ truncate_nl(pretty_name);
+ }
- /* This tries to mimic the color magic the old Red Hat sysinit
- * script did. */
+ if (!ansi_color && pretty_name) {
- if (startswith(r, "Red Hat"))
- status_printf("Welcome to \x1B[0;31m%s\x1B[0m!\n", r); /* Red for RHEL */
- else if (startswith(r, "Fedora"))
- status_printf("Welcome to \x1B[0;34m%s\x1B[0m!\n", r); /* Blue for Fedora */
- else
- status_printf("Welcome to \x1B[1m%s\x1B[0m!\n", r); /* Highlight for everything else */
+ /* This tries to mimic the color magic the old Red Hat sysinit
+ * script did. */
- free(r);
+ if (startswith(pretty_name, "Red Hat"))
+ const_color = "0;31"; /* Red for RHEL */
+ else if (startswith(pretty_name, "Fedora"))
+ const_color = "0;34"; /* Blue for Fedora */
+ }
#elif defined(TARGET_SUSE)
- char *r;
- if (read_one_line_file("/etc/SuSE-release", &r) < 0)
- return;
+ if (!pretty_name) {
+ if ((r = read_one_line_file("/etc/SuSE-release", &pretty_name)) < 0) {
- truncate_nl(r);
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/SuSE-release: %s", strerror(-r));
+ } else
+ truncate_nl(pretty_name);
+ }
- status_printf("Welcome to \x1B[0;32m%s\x1B[0m!\n", r); /* Green for SUSE */
- free(r);
+ if (!ansi_color)
+ const_color = "0;32"; /* Green for openSUSE */
#elif defined(TARGET_GENTOO)
- char *r;
- if (read_one_line_file("/etc/gentoo-release", &r) < 0)
- return;
+ if (!pretty_name) {
+ if ((r = read_one_line_file("/etc/gentoo-release", &pretty_name)) < 0) {
- truncate_nl(r);
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/gentoo-release: %s", strerror(-r));
+ } else
+ truncate_nl(pretty_name);
+ }
- status_printf("Welcome to \x1B[1;34m%s\x1B[0m!\n", r); /* Light Blue for Gentoo */
+ if (!ansi_color)
+ const_color = "1;34"; /* Light Blue for Gentoo */
+
+#elif defined(TARGET_ALTLINUX)
+
+ if (!pretty_name) {
+ if ((r = read_one_line_file("/etc/altlinux-release", &pretty_name)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/altlinux-release: %s", strerror(-r));
+ } else
+ truncate_nl(pretty_name);
+ }
+
+ if (!ansi_color)
+ const_color = "0;36"; /* Cyan for ALTLinux */
- free(r);
#elif defined(TARGET_DEBIAN)
- char *r;
- if (read_one_line_file("/etc/debian_version", &r) < 0)
- return;
+ if (!pretty_name) {
+ char *version;
- truncate_nl(r);
+ if ((r = read_one_line_file("/etc/debian_version", &version)) < 0) {
- status_printf("Welcome to Debian \x1B[1;31m%s\x1B[0m!\n", r); /* Light Red for Debian */
+ 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);
+
+ if (!pretty_name)
+ log_warning("Failed to allocate Debian version string.");
+ }
+ }
+
+ if (!ansi_color)
+ const_color = "1;31"; /* Light Red for Debian */
- free(r);
#elif defined(TARGET_UBUNTU)
- char *desc = NULL;
- char *codename = NULL;
- if (parse_env_file("/etc/lsb-release", NEWLINE,
- "DISTRIB_DESCRIPTION", &desc,
- "DISTRIB_CODENAME", &codename, NULL) < 0)
- return;
- if (desc && codename)
- /* Light Red for Ubuntu */
- status_printf("Welcome to \x1B[1;31m%s\x1B[0m (%s)\n",
- desc, codename);
- free(desc);
- free(codename);
-#elif defined(TARGET_ARCH)
- status_printf("Welcome to \x1B[1;36mArch Linux\x1B[0m!\n"); /* Cyan for Arch */
-#else
-#warning "You probably should add a welcome text logic here."
+ if ((r = parse_env_file("/etc/lsb-release", NEWLINE,
+ "DISTRIB_DESCRIPTION", &pretty_name,
+ NULL)) < 0) {
+
+ if (r != -ENOENT)
+ log_warning("Failed to read /etc/lsb-release: %s", strerror(-r));
+ }
+
+ if (!ansi_color)
+ const_color = "0;33"; /* Orange/Brown for Ubuntu */
+
#endif
+
+ if (!pretty_name && !const_pretty)
+ const_pretty = "Linux";
+
+ if (!ansi_color && !const_color)
+ const_color = "1";
+
+ status_printf("Welcome to \x1B[%sm%s\x1B[0m!\n",
+ const_color ? const_color : ansi_color,
+ const_pretty ? const_pretty : pretty_name);
+
+ free(ansi_color);
+ free(pretty_name);
}
char *replace_env(const char *format, char **env) {
return strdup(s);
}
+char *normalize_env_assignment(const char *s) {
+ char *name, *value, *p, *r;
+
+ p = strchr(s, '=');
+
+ if (!p) {
+ if (!(r = strdup(s)))
+ return NULL;
+
+ return strstrip(r);
+ }
+
+ if (!(name = strndup(s, p - s)))
+ return NULL;
+
+ if (!(p = strdup(p+1))) {
+ free(name);
+ return NULL;
+ }
+
+ value = unquote(strstrip(p), QUOTES);
+ free(p);
+
+ if (!value) {
+ free(p);
+ free(name);
+ return NULL;
+ }
+
+ if (asprintf(&r, "%s=%s", name, value) < 0)
+ r = NULL;
+
+ free(value);
+ free(name);
+
+ return r;
+}
+
int wait_for_terminate(pid_t pid, siginfo_t *status) {
assert(pid >= 1);
assert(status);
}
void freeze(void) {
+ sync();
+
for (;;)
pause();
}
return false;
}
-DIR *xopendirat(int fd, const char *name) {
- return fdopendir(openat(fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+DIR *xopendirat(int fd, const char *name, int flags) {
+ int nfd;
+ DIR *d;
+
+ if ((nfd = openat(fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|flags)) < 0)
+ return NULL;
+
+ if (!(d = fdopendir(nfd))) {
+ close_nointr_nofail(nfd);
+ return NULL;
+ }
+
+ return d;
}
int signal_from_string_try_harder(const char *s) {
if (!t)
return NULL;
- r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t));
+ r = asprintf(&dn, "/dev/disk/by-uuid/%s", t);
free(t);
if (r < 0)
environ[j] = NULL;
}
+bool tty_is_vc(const char *tty) {
+ assert(tty);
+
+ if (startswith(tty, "/dev/"))
+ tty += 5;
+
+ return startswith(tty, "tty") &&
+ tty[3] >= '0' && tty[3] <= '9';
+}
+
+const char *default_term_for_tty(const char *tty) {
+ char *active = NULL;
+ const char *term;
+
+ assert(tty);
+
+ if (startswith(tty, "/dev/"))
+ tty += 5;
+
+ /* Resolve where /dev/console is pointing when determining
+ * 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, ' ')))
+ tty++;
+ else
+ tty = active;
+ }
+
+ term = tty_is_vc(tty) ? "TERM=linux" : "TERM=vt100";
+ free(active);
+
+ return term;
+}
+
+bool running_in_vm(void) {
+
+#if defined(__i386__) || defined(__x86_64__)
+
+ /* Both CPUID and DMI are x86 specific interfaces... */
+
+ const char *const dmi_vendors[] = {
+ "/sys/class/dmi/id/sys_vendor",
+ "/sys/class/dmi/id/board_vendor",
+ "/sys/class/dmi/id/bios_vendor"
+ };
+
+ uint32_t eax = 0x40000000;
+ union {
+ uint32_t sig32[3];
+ char text[13];
+ } sig;
+
+ unsigned i;
+
+ for (i = 0; i < ELEMENTSOF(dmi_vendors); i++) {
+ char *s;
+ bool b;
+
+ if (read_one_line_file(dmi_vendors[i], &s) < 0)
+ continue;
+
+ b = startswith(s, "QEMU") ||
+ /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */
+ startswith(s, "VMware") ||
+ startswith(s, "VMW") ||
+ startswith(s, "Microsoft Corporation") ||
+ startswith(s, "innotek GmbH") ||
+ startswith(s, "Xen");
+
+ free(s);
+
+ if (b)
+ return true;
+ }
+
+ /* http://lwn.net/Articles/301888/ */
+ zero(sig);
+
+
+#if defined (__i386__)
+#define REG_a "eax"
+#define REG_b "ebx"
+#elif defined (__amd64__)
+#define REG_a "rax"
+#define REG_b "rbx"
+#endif
+
+ __asm__ __volatile__ (
+ /* ebx/rbx is being used for PIC! */
+ " push %%"REG_b" \n\t"
+ " cpuid \n\t"
+ " mov %%ebx, %1 \n\t"
+ " pop %%"REG_b" \n\t"
+
+ : "=a" (eax), "=r" (sig.sig32[0]), "=c" (sig.sig32[1]), "=d" (sig.sig32[2])
+ : "0" (eax)
+ );
+
+ if (streq(sig.text, "XenVMMXenVMM") ||
+ streq(sig.text, "KVMKVMKVM") ||
+ /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */
+ streq(sig.text, "VMwareVMware") ||
+ /* http://msdn.microsoft.com/en-us/library/bb969719.aspx */
+ streq(sig.text, "Microsoft Hv"))
+ return true;
+#endif
+
+ return false;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
~ianmdlvl / elogind.git / blobdiff