diff options
34 files changed, 936 insertions, 237 deletions
diff --git a/.gitignore b/.gitignore index 0e1d428ab0..403c16c339 100644 --- a/.gitignore +++ b/.gitignore @@ -238,6 +238,7 @@ /test-network /test-network-tables /test-ns +/test-nss /test-parse-util /test-path /test-path-lookup diff --git a/Makefile-man.am b/Makefile-man.am index a4835a533f..7514e6a24f 100644 --- a/Makefile-man.am +++ b/Makefile-man.am @@ -1850,11 +1850,21 @@ MANPAGES += \ man/coredumpctl.1 \ man/systemd-coredump.8 MANPAGES_ALIAS += \ - man/coredump.conf.d.5 + man/coredump.conf.d.5 \ + man/systemd-coredump.socket.8 \ + man/systemd-coredump@.service.8 man/coredump.conf.d.5: man/coredump.conf.5 +man/systemd-coredump.socket.8: man/systemd-coredump.8 +man/systemd-coredump@.service.8: man/systemd-coredump.8 man/coredump.conf.d.html: man/coredump.conf.html $(html-alias) +man/systemd-coredump.socket.html: man/systemd-coredump.html + $(html-alias) + +man/systemd-coredump@.service.html: man/systemd-coredump.html + $(html-alias) + endif if ENABLE_EFI diff --git a/Makefile.am b/Makefile.am index 7668c541cb..4ff9276fdd 100644 --- a/Makefile.am +++ b/Makefile.am @@ -4875,6 +4875,17 @@ EXTRA_DIST += \ src/timesync/timesyncd.conf.in # ------------------------------------------------------------------------------ +test_nss_SOURCES = \ + src/test/test-nss.c + +test_nss_LDADD = \ + libsystemd-internal.la \ + -ldl + +tests += \ + test-nss + +# ------------------------------------------------------------------------------ if HAVE_MYHOSTNAME libnss_myhostname_la_SOURCES = \ src/nss-myhostname/nss-myhostname.sym \ diff --git a/configure.ac b/configure.ac index cb14abda05..464f318dfc 100644 --- a/configure.ac +++ b/configure.ac @@ -1019,9 +1019,9 @@ have_machined=no AC_ARG_ENABLE(machined, AS_HELP_STRING([--disable-machined], [disable machine daemon])) if test "x$enable_machined" != "xno"; then have_machined=yes + AC_DEFINE(HAVE_MACHINED, [1], [systemd-machined is enabled]) fi AM_CONDITIONAL(ENABLE_MACHINED, [test "$have_machined" = "yes"]) -AS_IF([test "$have_machined" = "yes"], [ AC_DEFINE(HAVE_MACHINED, [1], [Machined support available]) ]) # ------------------------------------------------------------------------------ have_importd=no @@ -1131,6 +1131,7 @@ AS_IF([test "x$enable_resolved" != "xno"], [ have_resolved=yes M4_DEFINES="$M4_DEFINES -DENABLE_RESOLVED" + AC_DEFINE(HAVE_RESOLVED, [1], [systemd-resolved is enabled]) ]) AM_CONDITIONAL(ENABLE_RESOLVED, [test "$have_resolved" = "yes"]) @@ -1332,6 +1333,7 @@ if test "x$enable_myhostname" != "xno"; then AC_CHECK_FUNCS([gethostbyaddr gethostbyname gettimeofday inet_ntoa memset select socket strcspn strdup strerror strncasecmp strcasecmp strspn]) have_myhostname=yes + AC_DEFINE(HAVE_MYHOSTNAME, [1], [nss-myhostname is enabled]) fi AM_CONDITIONAL(HAVE_MYHOSTNAME, [test "$have_myhostname" = "yes"]) diff --git a/man/coredump.conf.xml b/man/coredump.conf.xml index a0a497b467..2064a96523 100644 --- a/man/coredump.conf.xml +++ b/man/coredump.conf.xml @@ -60,7 +60,14 @@ <para>These files configure the behavior of <citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>, - a handler for core dumps invoked by the kernel.</para> + a handler for core dumps invoked by the kernel. Whether <command>systemd-coredump</command> is used + is determined by the kernel's + <varname>kernel.core_pattern</varname> <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry> + setting. See + <citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry> + and + <citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry> + pages for the details.</para> </refsect1> <xi:include href="standard-conf.xml" xpointer="main-conf" /> diff --git a/man/loginctl.xml b/man/loginctl.xml index f41acc6a1b..7f7252a5d9 100644 --- a/man/loginctl.xml +++ b/man/loginctl.xml @@ -94,6 +94,16 @@ </varlistentry> <varlistentry> + <term><option>--value</option></term> + + <listitem> + <para>When printing properties with <command>show</command>, + only print the value, and skip the property name and + <literal>=</literal>.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><option>-a</option></term> <term><option>--all</option></term> diff --git a/man/machinectl.xml b/man/machinectl.xml index 967ca01470..cee4bb72ce 100644 --- a/man/machinectl.xml +++ b/man/machinectl.xml @@ -136,6 +136,13 @@ (<literal>.</literal>).</para></listitem> </varlistentry> + <varlistentry> + <term><option>--value</option></term> + + <listitem><para>When printing properties with <command>show</command>, only print the value, + and skip the property name and <literal>=</literal>.</para></listitem> + </varlistentry> + <varlistentry> <term><option>-l</option></term> <term><option>--full</option></term> diff --git a/man/systemctl.xml b/man/systemctl.xml index 1480bf8380..089fb0f5c3 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -233,6 +233,16 @@ </varlistentry> <varlistentry> + <term><option>--value</option></term> + + <listitem> + <para>When printing properties with <command>show</command>, + only print the value, and skip the property name and + <literal>=</literal>.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><option>--show-types</option></term> <listitem> diff --git a/man/systemd-coredump.xml b/man/systemd-coredump.xml index f1598461ef..51dc27e8d3 100644 --- a/man/systemd-coredump.xml +++ b/man/systemd-coredump.xml @@ -45,11 +45,15 @@ <refnamediv> <refname>systemd-coredump</refname> + <refname>systemd-coredump.socket</refname> + <refname>systemd-coredump@.service</refname> <refpurpose>Log and store core dumps</refpurpose> </refnamediv> <refsynopsisdiv> <para><filename>/usr/lib/systemd/systemd-coredump</filename></para> + <para><filename>systemd-coredump@.service</filename></para> + <para><filename>systemd-coredump.socket</filename></para> </refsynopsisdiv> <refsect1> @@ -60,12 +64,13 @@ signal and dumps core. For it to be used in this capacity, it must be specified by the <varname>kernel.core_pattern</varname> <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry> - setting. Systemd installs - <filename>/usr/lib/sysctl.d/50-coredump.conf</filename> which - configures <varname>kernel.core_pattern</varname> to invoke - <command>systemd-coredump</command>. This file may be masked or - overridden to use a different setting following normal - <citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> rules.</para> + setting. The syntax of this setting is explained in + <citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + Systemd installs <filename>/usr/lib/sysctl.d/50-coredump.conf</filename> which configures + <varname>kernel.core_pattern</varname> to invoke <command>systemd-coredump</command>. + This file may be masked or overridden to use a different setting following normal + <citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> + rules.</para> <para>The behavior of a specific program upon reception of a signal is governed by a few factors which are described in detail @@ -77,18 +82,35 @@ <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>). </para> - <para><command>systemd-coredump</command> will log the coredump - including a backtrace if possible, and store the core (contents of - process' memory contents) in an external file on disk in - <filename>/var/lib/systemd/coredump</filename>, or directly in - the journal. This behavior may be modified using - <citerefentry><refentrytitle>coredump.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> - - <para>Apart from the - <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> - log viewer, + <para>The behaviour of <command>systemd-coredump</command> is configured through + <filename>/etc/systemd/coredump.conf</filename> and other configuration files. See + <citerefentry><refentrytitle>coredump.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> + for details. By default, <command>systemd-coredump</command> will log the coredump including a + backtrace if possible, and store the core (contents of process' memory contents) in an external + file on disk in <filename>/var/lib/systemd/coredump</filename>.</para> + + <para>When the kernel invokes <command>systemd-coredump</command> to handle a coredump, + it will connect to the socket created by the <filename>systemd-coredump.socket</filename> + unit, which in turn will spawn a <filename>systemd-coredump@.service</filename> instance + to process the coredump. Hence <filename>systemd-coredump.socket</filename> + and <filename>systemd-coredump@.service</filename> are helper units which do the actual + processing of coredumps and are subject to normal service management.</para> + + <para>The log entry and a backtrace are stored in the journal, and can be viewed with + <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> - may be used to list and extract coredumps.</para> + may be used to list and extract coredumps or load them in + <citerefentry project='man-pages'><refentrytitle>gdb</refentrytitle><manvolnum>1</manvolnum></citerefentry>. + </para> + + <para>The coredump helper is invoked anew each time. Therefore, any configuration + changes will take effect on the invocation of <command>systemd-coredump</command>. + If the sysctl configuration is modified, it must be updated in the kernel before + it takes effect, see + <citerefentry><refentrytitle>systemd-sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry> + and + <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>. + </para> </refsect1> <refsect1> diff --git a/man/systemd-sysctl.service.xml b/man/systemd-sysctl.service.xml index 9027ff0f3f..686b2cdef4 100644 --- a/man/systemd-sysctl.service.xml +++ b/man/systemd-sysctl.service.xml @@ -62,24 +62,29 @@ <para><filename>systemd-sysctl.service</filename> is an early boot service that configures <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry> - kernel parameters.</para> + kernel parameters by invoking <command>/usr/lib/systemd/systemd-sysctl</command>.</para> - <para>If invoked with no arguments, it applies all directives from - all configuration files in - <citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> - are searched for a matching file. If one or more filenames are passed on - the command line, only the directives in these files are applied. - </para> + <para>When invoked with no arguments, <command>/usr/lib/systemd/systemd-sysctl</command> applies + all directives from configuration files listed in + <citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + If one or more filenames are passed on the command line, only the directives in these files are + applied.</para> + + <para>In addition, <option>--prefix=</option> option may be used to limit which sysctl + settings are applied.</para> <para>See <citerefentry project='man-pages'><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> - for information about the configuration of this service.</para> + for information about the configuration of sysctl settings. After sysctl configuration is + changed on disk, it must be written to the files in <filename>/proc/sys</filename> before it + takes effect. It is possible to update specific settings, or simply to reload all configuration, + see Examples below.</para> </refsect1> <refsect1><title>Options</title> <variablelist> - <varlistentry id='path'> - <term><option>--path=</option></term> + <varlistentry id='prefix'> + <term><option>--prefix=</option></term> <listitem> <para>Only apply rules with the specified prefix.</para> </listitem> @@ -92,6 +97,50 @@ </refsect1> <refsect1> + <title>Examples</title> + + <example> + <title>Reset all sysctl settings</title> + + <programlisting>systemctl restart systemd-sysctl</programlisting> + </example> + + <example> + <title>View coredump handler configuration</title> + + <programlisting># sysctl kernel.core_pattern +kernel.core_pattern = |/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t %P %I +</programlisting> + </example> + + <example> + <title>Update coredump handler configuration</title> + + <programlisting># /usr/lib/systemd/systemd-sysctl --prefix kernel.core_pattern</programlisting> + + <para>This searches all the directories listed in + <citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> + for configuration files and writes <filename>/proc/sys/kernel/core_pattern</filename>.</para> + </example> + + <example> + <title>Update coredump handler configuration according to a specific file</title> + + <programlisting># /usr/lib/systemd/systemd-sysctl 50-coredump.conf</programlisting> + + <para>This applies all the settings found in <filename>50-coredump.conf</filename>. + Either <filename>/etc/sysctl.d/50-coredump.conf</filename>, or + <filename>/run/sysctl.d/50-coredump.conf</filename>, or + <filename>/usr/lib/sysctl.d/50-coredump.conf</filename> will be used, in the order + of preference.</para> + </example> + + <para>See + <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry> + for various ways to directly apply sysctl settings.</para> + </refsect1> + + <refsect1> <title>See Also</title> <para> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, diff --git a/man/systemd.nspawn.xml b/man/systemd.nspawn.xml index 5ec878512a..ce900a5db1 100644 --- a/man/systemd.nspawn.xml +++ b/man/systemd.nspawn.xml @@ -224,7 +224,7 @@ </varlistentry> <varlistentry> - <term><option>KillSignal=</option></term> + <term><varname>KillSignal=</varname></term> <listitem><para>Specify the process signal to send to the container's PID 1 when nspawn itself receives SIGTERM, in diff --git a/src/activate/activate.c b/src/activate/activate.c index 8ac8dd8e72..a0cfc22000 100644 --- a/src/activate/activate.c +++ b/src/activate/activate.c @@ -316,19 +316,31 @@ static int do_accept(const char* name, char **argv, char **envp, int fd) { } /* SIGCHLD handler. */ -static void sigchld_hdl(int sig, siginfo_t *t, void *data) { +static void sigchld_hdl(int sig) { PROTECT_ERRNO; - log_info("Child %d died with code %d", t->si_pid, t->si_status); + for (;;) { + siginfo_t si; + int r; - /* Wait for a dead child. */ - (void) waitpid(t->si_pid, NULL, 0); + si.si_pid = 0; + r = waitid(P_ALL, 0, &si, WEXITED|WNOHANG); + if (r < 0) { + if (errno != ECHILD) + log_error_errno(errno, "Failed to reap children: %m"); + return; + } + if (si.si_pid == 0) + return; + + log_info("Child %d died with code %d", si.si_pid, si.si_status); + } } static int install_chld_handler(void) { static const struct sigaction act = { - .sa_flags = SA_SIGINFO, - .sa_sigaction = sigchld_hdl, + .sa_flags = SA_NOCLDSTOP, + .sa_handler = sigchld_hdl, }; int r; diff --git a/src/basic/copy.c b/src/basic/copy.c index 41dc8ca79a..e2db4be9ff 100644 --- a/src/basic/copy.c +++ b/src/basic/copy.c @@ -71,7 +71,7 @@ static ssize_t try_copy_file_range(int fd_in, loff_t *off_in, int copy_bytes(int fdf, int fdt, uint64_t max_bytes, bool try_reflink) { bool try_cfr = true, try_sendfile = true, try_splice = true; int r; - size_t m = SSIZE_MAX; /* that the maximum that sendfile and c_f_r accept */ + size_t m = SSIZE_MAX; /* that is the maximum that sendfile and c_f_r accept */ assert(fdf >= 0); assert(fdt >= 0); @@ -94,8 +94,8 @@ int copy_bytes(int fdf, int fdt, uint64_t max_bytes, bool try_reflink) { if (max_bytes <= 0) return 1; /* return > 0 if we hit the max_bytes limit */ - if ((uint64_t) m > max_bytes) - m = (size_t) max_bytes; + if (m > max_bytes) + m = max_bytes; } /* First try copy_file_range(), unless we already tried */ diff --git a/src/basic/nss-util.h b/src/basic/nss-util.h index df565a3593..bf7c4854fc 100644 --- a/src/basic/nss-util.h +++ b/src/basic/nss-util.h @@ -154,3 +154,46 @@ enum nss_status _nss_##module##_getgrgid_r( \ struct group *gr, \ char *buffer, size_t buflen, \ int *errnop) _public_ + +typedef enum nss_status (*_nss_gethostbyname4_r_t)( + const char *name, + struct gaih_addrtuple **pat, + char *buffer, size_t buflen, + int *errnop, int *h_errnop, + int32_t *ttlp); + +typedef enum nss_status (*_nss_gethostbyname3_r_t)( + const char *name, + int af, + struct hostent *result, + char *buffer, size_t buflen, + int *errnop, int *h_errnop, + int32_t *ttlp, + char **canonp); + +typedef enum nss_status (*_nss_gethostbyname2_r_t)( + const char *name, + int af, + struct hostent *result, + char *buffer, size_t buflen, + int *errnop, int *h_errnop); + +typedef enum nss_status (*_nss_gethostbyname_r_t)( + const char *name, + struct hostent *result, + char *buffer, size_t buflen, + int *errnop, int *h_errnop); + +typedef enum nss_status (*_nss_gethostbyaddr2_r_t)( + const void* addr, socklen_t len, + int af, + struct hostent *result, + char *buffer, size_t buflen, + int *errnop, int *h_errnop, + int32_t *ttlp); +typedef enum nss_status (*_nss_gethostbyaddr_r_t)( + const void* addr, socklen_t len, + int af, + struct hostent *host, + char *buffer, size_t buflen, + int *errnop, int *h_errnop); diff --git a/src/basic/parse-util.h b/src/basic/parse-util.h index d8dc26a36e..c407263e16 100644 --- a/src/basic/parse-util.h +++ b/src/basic/parse-util.h @@ -90,6 +90,18 @@ static inline int safe_atoli(const char *s, long int *ret_u) { } #endif +#if SIZE_MAX == UINT_MAX +static inline int safe_atozu(const char *s, size_t *ret_u) { + assert_cc(sizeof(size_t) == sizeof(unsigned)); + return safe_atou(s, ret_u); +} +#else +static inline int safe_atozu(const char *s, size_t *ret_u) { + assert_cc(sizeof(size_t) == sizeof(long unsigned)); + return safe_atolu(s, ret_u); +} +#endif + int safe_atod(const char *s, double *ret_d); int parse_fractional_part_u(const char **s, size_t digits, unsigned *res); diff --git a/src/basic/string-table.h b/src/basic/string-table.h index b180488fe8..d88625fca7 100644 --- a/src/basic/string-table.h +++ b/src/basic/string-table.h @@ -56,26 +56,8 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k return (type) string_table_lookup(name##_table, ELEMENTSOF(name##_table), s); \ } -#define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ - _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope) \ - _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \ - struct __useless_struct_to_allow_trailing_semicolon__ - -#define _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,scope) \ - _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope) \ - _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_WITH_BOOLEAN(name,type,yes,scope) \ - struct __useless_struct_to_allow_trailing_semicolon__ - -#define DEFINE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,) -#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,static) -#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,static) -#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,static) - -#define DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes) _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,) - -/* For string conversions where numbers are also acceptable */ -#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \ - int name##_to_string_alloc(type i, char **str) { \ +#define _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,scope) \ + scope int name##_to_string_alloc(type i, char **str) { \ char *s; \ if (i < 0 || i > max) \ return -ERANGE; \ @@ -89,7 +71,9 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k } \ *str = s; \ return 0; \ - } \ + } + +#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,scope) \ type name##_from_string(const char *s) { \ type i; \ unsigned u = 0; \ @@ -102,4 +86,32 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k return (type) u; \ return (type) -1; \ } \ + + +#define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ + _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope) \ + _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \ + struct __useless_struct_to_allow_trailing_semicolon__ + +#define _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,scope) \ + _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope) \ + _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_WITH_BOOLEAN(name,type,yes,scope) \ + struct __useless_struct_to_allow_trailing_semicolon__ + +#define DEFINE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,) +#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,static) +#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,static) +#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,static) + +#define DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes) _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,) + +/* For string conversions where numbers are also acceptable */ +#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \ + _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,) \ + _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,) \ struct __useless_struct_to_allow_trailing_semicolon__ + +#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max) \ + _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,static) +#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max) \ + _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,static) diff --git a/src/core/triggers.systemd.in b/src/core/triggers.systemd.in index 9e18a39a67..0d8c303136 100644 --- a/src/core/triggers.systemd.in +++ b/src/core/triggers.systemd.in @@ -18,6 +18,8 @@ # along with systemd; If not, see <http://www.gnu.org/licenses/>. # The contents of this are an example to be copied into systemd.spec. +# +# Minimum rpm version supported: 4.13.0 %transfiletriggerin -P 900900 -p <lua> -- @systemunitdir@ /etc/systemd/system -- This script will run after any package is initially installed or diff --git a/src/coredump/coredumpctl.c b/src/coredump/coredumpctl.c index dac800ebef..27b1e0fb3f 100644 --- a/src/coredump/coredumpctl.c +++ b/src/coredump/coredumpctl.c @@ -664,7 +664,7 @@ static int save_core(sd_journal *j, int fd, char **path, bool *unlink_temp) { #endif } else { if (r == -ENOENT) - log_error("Cannot retrieve coredump from journal nor disk."); + log_error("Cannot retrieve coredump from journal or disk."); else log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); goto error; diff --git a/src/journal-remote/journal-upload-journal.c b/src/journal-remote/journal-upload-journal.c index e61b6bc68f..8ce8e1895e 100644 --- a/src/journal-remote/journal-upload-journal.c +++ b/src/journal-remote/journal-upload-journal.c @@ -25,6 +25,7 @@ #include "log.h" #include "utf8.h" #include "util.h" +#include "sd-daemon.h" /** * Write up to size bytes to buf. Return negative on error, and number of @@ -242,6 +243,22 @@ static ssize_t write_entry(char *buf, size_t size, Uploader *u) { assert_not_reached("WTF?"); } +static inline void check_update_watchdog(Uploader *u) { + usec_t after; + usec_t elapsed_time; + + if (u->watchdog_usec <= 0) + return; + + after = now(CLOCK_MONOTONIC); + elapsed_time = usec_sub(after, u->watchdog_timestamp); + if (elapsed_time > u->watchdog_usec / 2) { + log_debug("Update watchdog timer"); + sd_notify(false, "WATCHDOG=1"); + u->watchdog_timestamp = after; + } +} + static size_t journal_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { Uploader *u = userp; int r; @@ -252,6 +269,8 @@ static size_t journal_input_callback(void *buf, size_t size, size_t nmemb, void assert(u); assert(nmemb <= SSIZE_MAX / size); + check_update_watchdog(u); + j = u->journal; while (j && filled < size * nmemb) { diff --git a/src/journal-remote/journal-upload.c b/src/journal-remote/journal-upload.c index 6e1c3bb9ef..4647cfdeb3 100644 --- a/src/journal-remote/journal-upload.c +++ b/src/journal-remote/journal-upload.c @@ -463,6 +463,8 @@ static int setup_uploader(Uploader *u, const char *url, const char *state_file) if (r < 0) return log_error_errno(r, "Failed to set up signals: %m"); + (void) sd_watchdog_enabled(false, &u->watchdog_usec); + return load_cursor_state(u); } @@ -494,6 +496,7 @@ static int perform_upload(Uploader *u) { assert(u); + u->watchdog_timestamp = now(CLOCK_MONOTONIC); code = curl_easy_perform(u->easy); if (code) { if (u->error[0]) diff --git a/src/journal-remote/journal-upload.h b/src/journal-remote/journal-upload.h index b8cd04d527..5711905f86 100644 --- a/src/journal-remote/journal-upload.h +++ b/src/journal-remote/journal-upload.h @@ -4,6 +4,7 @@ #include "sd-event.h" #include "sd-journal.h" +#include "time-util.h" typedef enum { ENTRY_CURSOR = 0, /* Nothing actually written yet. */ @@ -48,6 +49,8 @@ typedef struct Uploader { size_t entries_sent; char *last_cursor, *current_cursor; + usec_t watchdog_timestamp; + usec_t watchdog_usec; } Uploader; #define JOURNAL_UPLOAD_POLL_TIMEOUT (10 * USEC_PER_SEC) diff --git a/src/journal/compress.c b/src/journal/compress.c index c43849c46a..ba734b5561 100644 --- a/src/journal/compress.c +++ b/src/journal/compress.c @@ -112,7 +112,7 @@ int compress_blob_lz4(const void *src, uint64_t src_size, if (src_size < 9) return -ENOBUFS; - r = LZ4_compress_limitedOutput(src, dst + 8, src_size, (int) dst_alloc_size - 8); + r = LZ4_compress_limitedOutput(src, (char*)dst + 8, src_size, (int) dst_alloc_size - 8); if (r <= 0) return -ENOBUFS; @@ -176,7 +176,7 @@ int decompress_blob_xz(const void *src, uint64_t src_size, return -ENOMEM; s.avail_out = space - used; - s.next_out = *dst + used; + s.next_out = *(uint8_t**)dst + used; } *dst_size = space - s.avail_out; @@ -215,7 +215,7 @@ int decompress_blob_lz4(const void *src, uint64_t src_size, } else out = *dst; - r = LZ4_decompress_safe(src + 8, out, src_size - 8, size); + r = LZ4_decompress_safe((char*)src + 8, out, src_size - 8, size); if (r < 0 || r != size) return -EBADMSG; @@ -291,7 +291,7 @@ int decompress_startswith_xz(const void *src, uint64_t src_size, if (!(greedy_realloc(buffer, buffer_size, *buffer_size * 2, 1))) return -ENOMEM; - s.next_out = *buffer + *buffer_size - s.avail_out; + s.next_out = *(uint8_t**)buffer + *buffer_size - s.avail_out; } #else @@ -324,7 +324,7 @@ int decompress_startswith_lz4(const void *src, uint64_t src_size, if (!(greedy_realloc(buffer, buffer_size, ALIGN_8(prefix_len + 1), 1))) return -ENOMEM; - r = LZ4_decompress_safe_partial(src + 8, *buffer, src_size - 8, + r = LZ4_decompress_safe_partial((char*)src + 8, *buffer, src_size - 8, prefix_len + 1, *buffer_size); if (r >= 0) size = (unsigned) r; diff --git a/src/journal/test-compress-benchmark.c b/src/journal/test-compress-benchmark.c index 0ef6d36a50..6f6d71435d 100644 --- a/src/journal/test-compress-benchmark.c +++ b/src/journal/test-compress-benchmark.c @@ -164,7 +164,7 @@ int main(int argc, char *argv[]) { arg_duration = x * USEC_PER_SEC; } if (argc == 3) - (void) safe_atolu(argv[2], &arg_start); + (void) safe_atozu(argv[2], &arg_start); else arg_start = getpid(); diff --git a/src/libsystemd/sd-netlink/local-addresses.c b/src/libsystemd/sd-netlink/local-addresses.c index 6abd8fd0cc..ed9ee041ab 100644 --- a/src/libsystemd/sd-netlink/local-addresses.c +++ b/src/libsystemd/sd-netlink/local-addresses.c @@ -155,8 +155,7 @@ int local_addresses(sd_netlink *context, int ifindex, int af, struct local_addre n_list++; }; - if (n_list > 0) - qsort(list, n_list, sizeof(struct local_address), address_compare); + qsort_safe(list, n_list, sizeof(struct local_address), address_compare); *ret = list; list = NULL; diff --git a/src/login/loginctl.c b/src/login/loginctl.c index c9a5cd796b..01f6fa5db0 100644 --- a/src/login/loginctl.c +++ b/src/login/loginctl.c @@ -48,6 +48,7 @@ static char **arg_property = NULL; static bool arg_all = false; +static bool arg_value = false; static bool arg_full = false; static bool arg_no_pager = false; static bool arg_legend = true; @@ -679,6 +680,14 @@ static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line) return 0; } +#define property(name, fmt, ...) \ + do { \ + if (arg_value) \ + printf(fmt "\n", __VA_ARGS__); \ + else \ + printf("%s=" fmt "\n", name, __VA_ARGS__); \ + } while(0) + static int print_property(const char *name, sd_bus_message *m, const char *contents) { int r; @@ -702,7 +711,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); if (arg_all || !isempty(s)) - printf("%s=%s\n", name, s); + property(name, "%s", s); return 0; @@ -718,8 +727,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return -EINVAL; } - printf("%s=" UID_FMT "\n", name, uid); - + property(name, UID_FMT, uid); return 0; } @@ -735,14 +743,16 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte if (r < 0) return bus_log_parse_error(r); - printf("%s=", name); + if (!arg_value) + printf("%s=", name); while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) { printf("%s%s", space ? " " : "", s); space = true; } - printf("\n"); + if (space || !arg_value) + printf("\n"); if (r < 0) return bus_log_parse_error(r); @@ -757,7 +767,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte break; } - r = bus_print_property(name, m, arg_all); + r = bus_print_property(name, m, arg_value, arg_all); if (r < 0) return bus_log_parse_error(r); @@ -1330,6 +1340,7 @@ static int help(int argc, char *argv[], void *userdata) { " -M --machine=CONTAINER Operate on local container\n" " -p --property=NAME Show only properties by this name\n" " -a --all Show all properties, including empty ones\n" + " --value When showing properties, only print the value\n" " -l --full Do not ellipsize output\n" " --kill-who=WHO Who to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" @@ -1371,6 +1382,7 @@ static int parse_argv(int argc, char *argv[]) { enum { ARG_VERSION = 0x100, + ARG_VALUE, ARG_NO_PAGER, ARG_NO_LEGEND, ARG_KILL_WHO, @@ -1382,6 +1394,7 @@ static int parse_argv(int argc, char *argv[]) { { "version", no_argument, NULL, ARG_VERSION }, { "property", required_argument, NULL, 'p' }, { "all", no_argument, NULL, 'a' }, + { "value", no_argument, NULL, ARG_VALUE }, { "full", no_argument, NULL, 'l' }, { "no-pager", no_argument, NULL, ARG_NO_PAGER }, { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, @@ -1427,6 +1440,10 @@ static int parse_argv(int argc, char *argv[]) { arg_all = true; break; + case ARG_VALUE: + arg_value = true; + break; + case 'l': arg_full = true; break; diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index e49c90fd1b..1d3264a1de 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -61,6 +61,7 @@ static char **arg_property = NULL; static bool arg_all = false; +static bool arg_value = false; static bool arg_full = false; static bool arg_no_pager = false; static bool arg_legend = true; @@ -129,15 +130,14 @@ static int list_machines(int argc, char *argv[], void *userdata) { pager_open(arg_no_pager, false); - r = sd_bus_call_method( - bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "ListMachines", - &error, - &reply, - NULL); + r = sd_bus_call_method(bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "ListMachines", + &error, + &reply, + NULL); if (r < 0) { log_error("Could not get machines: %s", bus_error_message(&error, -r)); return r; @@ -232,15 +232,14 @@ static int list_images(int argc, char *argv[], void *userdata) { pager_open(arg_no_pager, false); - r = sd_bus_call_method( - bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "ListImages", - &error, - &reply, - ""); + r = sd_bus_call_method(bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "ListImages", + &error, + &reply, + ""); if (r < 0) { log_error("Could not get images: %s", bus_error_message(&error, -r)); return r; @@ -680,7 +679,7 @@ static int show_machine_properties(sd_bus *bus, const char *path, bool *new_line *new_line = true; - r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); + r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_value, arg_all); if (r < 0) log_error_errno(r, "Could not get properties: %m"); @@ -713,15 +712,14 @@ static int show_machine(int argc, char *argv[], void *userdata) { for (i = 1; i < argc; i++) { const char *path = NULL; - r = sd_bus_call_method( - bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "GetMachine", - &error, - &reply, - "s", argv[i]); + r = sd_bus_call_method(bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "GetMachine", + &error, + &reply, + "s", argv[i]); if (r < 0) { log_error("Could not get path to machine: %s", bus_error_message(&error, -r)); return r; @@ -929,7 +927,7 @@ static int show_image_properties(sd_bus *bus, const char *path, bool *new_line) *new_line = true; - r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); + r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_value, arg_all); if (r < 0) log_error_errno(r, "Could not get properties: %m"); @@ -2183,15 +2181,14 @@ static int list_transfers(int argc, char *argv[], void *userdata) { pager_open(arg_no_pager, false); - r = sd_bus_call_method( - bus, - "org.freedesktop.import1", - "/org/freedesktop/import1", - "org.freedesktop.import1.Manager", - "ListTransfers", - &error, - &reply, - NULL); + r = sd_bus_call_method(bus, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "ListTransfers", + &error, + &reply, + NULL); if (r < 0) { log_error("Could not get transfers: %s", bus_error_message(&error, -r)); return r; @@ -2356,6 +2353,7 @@ static int help(int argc, char *argv[], void *userdata) { " -p --property=NAME Show only properties by this name\n" " -q --quiet Suppress output\n" " -a --all Show all properties, including empty ones\n" + " --value When showing properties, only print the value\n" " -l --full Do not ellipsize output\n" " --kill-who=WHO Who to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" @@ -2418,6 +2416,7 @@ static int parse_argv(int argc, char *argv[]) { ARG_VERSION = 0x100, ARG_NO_PAGER, ARG_NO_LEGEND, + ARG_VALUE, ARG_KILL_WHO, ARG_READ_ONLY, ARG_MKDIR, @@ -2434,6 +2433,7 @@ static int parse_argv(int argc, char *argv[]) { { "version", no_argument, NULL, ARG_VERSION }, { "property", required_argument, NULL, 'p' }, { "all", no_argument, NULL, 'a' }, + { "value", no_argument, NULL, ARG_VALUE }, { "full", no_argument, NULL, 'l' }, { "no-pager", no_argument, NULL, ARG_NO_PAGER }, { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, @@ -2485,6 +2485,10 @@ static int parse_argv(int argc, char *argv[]) { arg_all = true; break; + case ARG_VALUE: + arg_value = true; + break; + case 'l': arg_full = true; break; diff --git a/src/network/.gitignore b/src/network/.gitignore index 8858596489..aca55206b7 100644 --- a/src/network/.gitignore +++ b/src/network/.gitignore @@ -1,2 +1,3 @@ /networkd-network-gperf.c /networkd-netdev-gperf.c +/networkd-gperf.c diff --git a/src/nss-myhostname/nss-myhostname.c b/src/nss-myhostname/nss-myhostname.c index 2536ad2898..2b83d127b7 100644 --- a/src/nss-myhostname/nss-myhostname.c +++ b/src/nss-myhostname/nss-myhostname.c @@ -127,7 +127,8 @@ enum nss_status _nss_myhostname_gethostbyname4_r( memcpy(r_name, canonical, l+1); idx = ALIGN(l+1); - if (n_addresses <= 0) { + assert(n_addresses >= 0); + if (n_addresses == 0) { /* Second, fill in IPv6 tuple */ r_tuple = (struct gaih_addrtuple*) (buffer + idx); r_tuple->next = r_tuple_prev; @@ -453,38 +454,33 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r( } n_addresses = local_addresses(NULL, 0, AF_UNSPEC, &addresses); - if (n_addresses > 0) { - for (a = addresses, n = 0; (int) n < n_addresses; n++, a++) { - if (af != a->family) - continue; + for (a = addresses, n = 0; (int) n < n_addresses; n++, a++) { + if (af != a->family) + continue; - if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) - goto found; - } + if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) + goto found; } addresses = mfree(addresses); n_addresses = local_gateways(NULL, 0, AF_UNSPEC, &addresses); - if (n_addresses > 0) { - for (a = addresses, n = 0; (int) n < n_addresses; n++, a++) { - if (af != a->family) - continue; + for (a = addresses, n = 0; (int) n < n_addresses; n++, a++) { + if (af != a->family) + continue; - if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) { - canonical = "gateway"; - goto found; - } + if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) { + canonical = "gateway"; + goto found; } } *errnop = ENOENT; *h_errnop = HOST_NOT_FOUND; - return NSS_STATUS_NOTFOUND; found: - if (!canonical || (!additional && additional_from_hostname)) { + if (!canonical || additional_from_hostname) { hn = gethostname_malloc(); if (!hn) { *errnop = ENOMEM; @@ -494,8 +490,7 @@ found: if (!canonical) canonical = hn; - - if (!additional && additional_from_hostname) + else additional = hn; } diff --git a/src/nss-resolve/nss-resolve.c b/src/nss-resolve/nss-resolve.c index 0de6bd2241..5ce10f1cbd 100644 --- a/src/nss-resolve/nss-resolve.c +++ b/src/nss-resolve/nss-resolve.c @@ -117,13 +117,6 @@ enum nss_status _nss_resolve_gethostbyname4_r( int *errnop, int *h_errnop, int32_t *ttlp) { - enum nss_status (*fallback)( - const char *name, - struct gaih_addrtuple **pat, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp); - _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; struct gaih_addrtuple *r_tuple, *r_tuple_first = NULL; @@ -275,15 +268,15 @@ enum nss_status _nss_resolve_gethostbyname4_r( return NSS_STATUS_SUCCESS; fallback: - fallback = (enum nss_status (*)(const char *name, - struct gaih_addrtuple **pat, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp)) - find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyname4_r"); + { + _nss_gethostbyname4_r_t fallback; + + fallback = (_nss_gethostbyname4_r_t) + find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyname4_r"); - if (fallback) - return fallback(name, pat, buffer, buflen, errnop, h_errnop, ttlp); + if (fallback) + return fallback(name, pat, buffer, buflen, errnop, h_errnop, ttlp); + } fail: *errnop = -r; @@ -300,15 +293,6 @@ enum nss_status _nss_resolve_gethostbyname3_r( int32_t *ttlp, char **canonp) { - enum nss_status (*fallback)( - const char *name, - int af, - struct hostent *result, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp, - char **canonp); - _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; char *r_name, *r_aliases, *r_addr, *r_addr_list; @@ -480,16 +464,14 @@ enum nss_status _nss_resolve_gethostbyname3_r( return NSS_STATUS_SUCCESS; fallback: - fallback = (enum nss_status (*)(const char *name, - int af, - struct hostent *result, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp, - char **canonp)) - find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyname3_r"); - if (fallback) - return fallback(name, af, result, buffer, buflen, errnop, h_errnop, ttlp, canonp); + { + _nss_gethostbyname3_r_t fallback; + + fallback = (_nss_gethostbyname3_r_t) + find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyname3_r"); + if (fallback) + return fallback(name, af, result, buffer, buflen, errnop, h_errnop, ttlp, canonp); + } fail: *errnop = -r; @@ -505,15 +487,6 @@ enum nss_status _nss_resolve_gethostbyaddr2_r( int *errnop, int *h_errnop, int32_t *ttlp) { - enum nss_status (*fallback)( - const void* addr, socklen_t len, - int af, - struct hostent *result, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp); - - _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; char *r_name, *r_aliases, *r_addr, *r_addr_list; @@ -682,17 +655,15 @@ enum nss_status _nss_resolve_gethostbyaddr2_r( return NSS_STATUS_SUCCESS; fallback: - fallback = (enum nss_status (*)( - const void* addr, socklen_t len, - int af, - struct hostent *result, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp)) - find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyaddr2_r"); - - if (fallback) - return fallback(addr, len, af, result, buffer, buflen, errnop, h_errnop, ttlp); + { + _nss_gethostbyaddr2_r_t fallback; + + fallback = (_nss_gethostbyaddr2_r_t) + find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyaddr2_r"); + + if (fallback) + return fallback(addr, len, af, result, buffer, buflen, errnop, h_errnop, ttlp); + } fail: *errnop = -r; diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c index d9dd3c6a11..0caaca03c7 100644 --- a/src/shared/bus-util.c +++ b/src/shared/bus-util.c @@ -712,7 +712,15 @@ int bus_connect_user_systemd(sd_bus **_bus) { return 0; } -int bus_print_property(const char *name, sd_bus_message *property, bool all) { +#define print_property(name, fmt, ...) \ + do { \ + if (value) \ + printf(fmt "\n", __VA_ARGS__); \ + else \ + printf("%s=" fmt "\n", name, __VA_ARGS__); \ + } while(0) + +int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all) { char type; const char *contents; int r; @@ -740,7 +748,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (!escaped) return -ENOMEM; - printf("%s=%s\n", name, escaped); + print_property(name, "%s", escaped); } return 1; @@ -753,7 +761,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (r < 0) return r; - printf("%s=%s\n", name, yes_no(b)); + print_property(name, "%s", yes_no(b)); return 1; } @@ -773,14 +781,14 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { t = format_timestamp(timestamp, sizeof(timestamp), u); if (t || all) - printf("%s=%s\n", name, strempty(t)); + print_property(name, "%s", strempty(t)); } else if (strstr(name, "USec")) { char timespan[FORMAT_TIMESPAN_MAX]; - printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0)); + print_property(name, "%s", format_timespan(timespan, sizeof(timespan), u, 0)); } else - printf("%s=%llu\n", name, (unsigned long long) u); + print_property(name, "%"PRIu64, u); return 1; } @@ -792,7 +800,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (r < 0) return r; - printf("%s=%lld\n", name, (long long) i); + print_property(name, "%"PRIi64, i); return 1; } @@ -805,9 +813,9 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { return r; if (strstr(name, "UMask") || strstr(name, "Mode")) - printf("%s=%04o\n", name, u); + print_property(name, "%04o", u); else - printf("%s=%u\n", name, (unsigned) u); + print_property(name, "%"PRIu32, u); return 1; } @@ -819,7 +827,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (r < 0) return r; - printf("%s=%i\n", name, (int) i); + print_property(name, "%"PRIi32, i); return 1; } @@ -830,7 +838,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (r < 0) return r; - printf("%s=%g\n", name, d); + print_property(name, "%g", d); return 1; } @@ -846,7 +854,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { while ((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) { _cleanup_free_ char *escaped = NULL; - if (first) + if (first && !value) printf("%s=", name); escaped = xescape(str, "\n "); @@ -860,7 +868,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (r < 0) return r; - if (first && all) + if (first && all && !value) printf("%s=", name); if (!first || all) puts(""); @@ -882,7 +890,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (all || n > 0) { unsigned int i; - printf("%s=", name); + if (!value) + printf("%s=", name); for (i = 0; i < n; i++) printf("%02x", u[i]); @@ -903,7 +912,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { if (all || n > 0) { unsigned int i; - printf("%s=", name); + if (!value) + printf("%s=", name); for (i = 0; i < n; i++) printf("%08x", u[i]); @@ -920,7 +930,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) { return 0; } -int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all) { +int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; @@ -960,7 +970,7 @@ int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, ch if (r < 0) return r; - r = bus_print_property(name, reply, all); + r = bus_print_property(name, reply, value, all); if (r < 0) return r; if (r == 0) { diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h index fcda1b2c6c..1a0841ce81 100644 --- a/src/shared/bus-util.h +++ b/src/shared/bus-util.h @@ -78,8 +78,8 @@ int bus_connect_user_systemd(sd_bus **_bus); int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); -int bus_print_property(const char *name, sd_bus_message *property, bool all); -int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all); +int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all); +int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all); int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 3407d93c80..62cff3a677 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -103,6 +103,7 @@ static bool arg_no_pager = false; static bool arg_no_wtmp = false; static bool arg_no_wall = false; static bool arg_no_reload = false; +static bool arg_value = false; static bool arg_show_types = false; static bool arg_ignore_inhibitors = false; static bool arg_dry = false; @@ -4116,6 +4117,14 @@ skip: return 0; } +#define print_prop(name, fmt, ...) \ + do { \ + if (arg_value) \ + printf(fmt "\n", __VA_ARGS__); \ + else \ + printf("%s=" fmt "\n", name, __VA_ARGS__); \ + } while(0) + static int print_property(const char *name, sd_bus_message *m, const char *contents) { int r; @@ -4143,9 +4152,9 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); if (u > 0) - printf("%s=%"PRIu32"\n", name, u); + print_prop(name, "%"PRIu32, u); else if (arg_all) - printf("%s=\n", name); + print_prop(name, "%s", ""); return 0; @@ -4157,7 +4166,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); if (arg_all || !isempty(s)) - printf("%s=%s\n", name, s); + print_prop(name, "%s", s); return 0; @@ -4169,7 +4178,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); if (arg_all || !isempty(a) || !isempty(b)) - printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b)); + print_prop(name, "%s \"%s\"", strempty(a), strempty(b)); return 0; } else if (streq_ptr(name, "SystemCallFilter")) { @@ -4196,8 +4205,10 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte bool first = true; char **i; - fputs(name, stdout); - fputc('=', stdout); + if (!arg_value) { + fputs(name, stdout); + fputc('=', stdout); + } if (!whitelist) fputc('~', stdout); @@ -4229,7 +4240,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0) - printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore)); + print_prop("EnvironmentFile", "%s (ignore_errors=%s)\n", path, yes_no(ignore)); if (r < 0) return bus_log_parse_error(r); @@ -4248,7 +4259,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) - printf("%s=%s\n", type, path); + print_prop(type, "%s", path); if (r < 0) return bus_log_parse_error(r); @@ -4266,7 +4277,10 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) - printf("Listen%s=%s\n", type, path); + if (arg_value) + puts(path); + else + printf("Listen%s=%s\n", type, path); if (r < 0) return bus_log_parse_error(r); @@ -4287,10 +4301,9 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) { char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX]; - printf("%s={ value=%s ; next_elapse=%s }\n", - base, - format_timespan(timespan1, sizeof(timespan1), value, 0), - format_timespan(timespan2, sizeof(timespan2), next_elapse, 0)); + print_prop(base, "{ value=%s ; next_elapse=%s }", + format_timespan(timespan1, sizeof(timespan1), value, 0), + format_timespan(timespan2, sizeof(timespan2), next_elapse, 0)); } if (r < 0) return bus_log_parse_error(r); @@ -4314,18 +4327,18 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte tt = strv_join(info.argv, " "); - printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n", - name, - strna(info.path), - strna(tt), - yes_no(info.ignore), - strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), - strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), - info.pid, - sigchld_code_to_string(info.code), - info.status, - info.code == CLD_EXITED ? "" : "/", - strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); + print_prop(name, + "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }", + strna(info.path), + strna(tt), + yes_no(info.ignore), + strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), + strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), + info.pid, + sigchld_code_to_string(info.code), + info.status, + info.code == CLD_EXITED ? "" : "/", + strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); free(info.path); strv_free(info.argv); @@ -4346,7 +4359,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0) - printf("%s=%s %s\n", name, strna(path), strna(rwm)); + print_prop(name, "%s %s", strna(path), strna(rwm)); if (r < 0) return bus_log_parse_error(r); @@ -4365,7 +4378,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0) - printf("%s=%s %" PRIu64 "\n", name, strna(path), weight); + print_prop(name, "%s %"PRIu64, strna(path), weight); if (r < 0) return bus_log_parse_error(r); @@ -4384,7 +4397,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0) - printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth); + print_prop(name, "%s %"PRIu64, strna(path), bandwidth); if (r < 0) return bus_log_parse_error(r); @@ -4398,7 +4411,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte break; } - r = bus_print_property(name, m, arg_all); + r = bus_print_property(name, m, arg_value, arg_all); if (r < 0) return bus_log_parse_error(r); @@ -6243,6 +6256,7 @@ static void systemctl_help(void) { " --job-mode=MODE Specify how to deal with already queued jobs, when\n" " queueing a new job\n" " --show-types When showing sockets, explicitly show their type\n" + " --value When showing properties, only print the value\n" " -i --ignore-inhibitors\n" " When shutting down or sleeping, ignore inhibitors\n" " --kill-who=WHO Who to send signal to\n" @@ -6494,6 +6508,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_SHOW_TYPES, ARG_IRREVERSIBLE, ARG_IGNORE_DEPENDENCIES, + ARG_VALUE, ARG_VERSION, ARG_USER, ARG_SYSTEM, @@ -6535,6 +6550,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ { "ignore-inhibitors", no_argument, NULL, 'i' }, + { "value", no_argument, NULL, ARG_VALUE }, { "user", no_argument, NULL, ARG_USER }, { "system", no_argument, NULL, ARG_SYSTEM }, { "global", no_argument, NULL, ARG_GLOBAL }, @@ -6686,6 +6702,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_show_types = true; break; + case ARG_VALUE: + arg_value = true; + break; + case ARG_JOB_MODE: arg_job_mode = optarg; break; diff --git a/src/systemd/sd-lldp.h b/src/systemd/sd-lldp.h index 4f2a3b50c0..fa6ab9ad3b 100644 --- a/src/systemd/sd-lldp.h +++ b/src/systemd/sd-lldp.h @@ -100,7 +100,6 @@ enum { SD_LLDP_SYSTEM_CAPABILITIES_SVLAN| \ SD_LLDP_SYSTEM_CAPABILITIES_TPMR)) - #define SD_LLDP_OUI_802_1 (uint8_t[]) { 0x00, 0x80, 0xc2 } #define SD_LLDP_OUI_802_3 (uint8_t[]) { 0x00, 0x12, 0x0f } diff --git a/src/test/test-nss.c b/src/test/test-nss.c new file mode 100644 index 0000000000..9c13288d2e --- /dev/null +++ b/src/test/test-nss.c @@ -0,0 +1,448 @@ +/*** + This file is part of systemd. + + Copyright 2016 Zbigniew Jędrzejewski-Szmek + + 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 + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <dlfcn.h> +#include <stdlib.h> +#include <net/if.h> + +#include "log.h" +#include "nss-util.h" +#include "path-util.h" +#include "string-util.h" +#include "alloc-util.h" +#include "in-addr-util.h" +#include "hexdecoct.h" +#include "af-list.h" +#include "stdio-util.h" +#include "strv.h" +#include "errno-list.h" +#include "hostname-util.h" +#include "local-addresses.h" + +static const char* nss_status_to_string(enum nss_status status, char *buf, size_t buf_len) { + switch (status) { + case NSS_STATUS_TRYAGAIN: + return "NSS_STATUS_TRYAGAIN"; + case NSS_STATUS_UNAVAIL: + return "NSS_STATUS_UNAVAIL"; + case NSS_STATUS_NOTFOUND: + return "NSS_STATUS_NOTFOUND"; + case NSS_STATUS_SUCCESS: + return "NSS_STATUS_SUCCESS"; + case NSS_STATUS_RETURN: + return "NSS_STATUS_RETURN"; + default: + snprintf(buf, buf_len, "%i", status); + return buf; + } +}; + +static const char* af_to_string(int family, char *buf, size_t buf_len) { + const char *name; + + if (family == AF_UNSPEC) + return "*"; + + name = af_to_name(family); + if (name) + return name; + + snprintf(buf, buf_len, "%i", family); + return buf; +} + +static void* open_handle(const char* dir, const char* module, int flags) { + const char *path; + void *handle; + + if (dir) + path = strjoina(dir, "/.libs/libnss_", module, ".so.2"); + else + path = strjoina("libnss_", module, ".so.2"); + + handle = dlopen(path, flags); + assert_se(handle); + return handle; +} + +static int print_gaih_addrtuples(const struct gaih_addrtuple *tuples) { + const struct gaih_addrtuple *it; + int n = 0; + + for (it = tuples; it; it = it->next) { + _cleanup_free_ char *a = NULL; + union in_addr_union u; + int r; + char family_name[DECIMAL_STR_MAX(int)]; + char ifname[IF_NAMESIZE]; + + memcpy(&u, it->addr, 16); + r = in_addr_to_string(it->family, &u, &a); + assert_se(r == 0 || r == -EAFNOSUPPORT); + if (r == -EAFNOSUPPORT) + assert_se((a = hexmem(it->addr, 16))); + + if (it->scopeid == 0) + goto numerical_index; + + if (if_indextoname(it->scopeid, ifname) == NULL) { + log_warning("if_indextoname(%d) failed: %m", it->scopeid); + numerical_index: + xsprintf(ifname, "%i", it->scopeid); + }; + + log_info(" \"%s\" %s %s %%%s", + it->name, + af_to_string(it->family, family_name, sizeof family_name), + a, + ifname); + n ++; + } + return n; +} + +static void print_struct_hostent(struct hostent *host, const char *canon) { + char **s; + + log_info(" \"%s\"", host->h_name); + STRV_FOREACH(s, host->h_aliases) + log_info(" alias \"%s\"", *s); + STRV_FOREACH(s, host->h_addr_list) { + union in_addr_union u; + _cleanup_free_ char *a = NULL; + char family_name[DECIMAL_STR_MAX(int)]; + int r; + + assert_se((unsigned) host->h_length == FAMILY_ADDRESS_SIZE(host->h_addrtype)); + memcpy(&u, *s, host->h_length); + r = in_addr_to_string(host->h_addrtype, &u, &a); + assert_se(r == 0); + log_info(" %s %s", + af_to_string(host->h_addrtype, family_name, sizeof family_name), + a); + } + if (canon) + log_info(" canonical: \"%s\"", canon); +} + +static void test_gethostbyname4_r(void *handle, const char *module, const char *name) { + const char *fname; + _nss_gethostbyname4_r_t f; + char buffer[2000]; + struct gaih_addrtuple *pat = NULL; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, + and will access this variable through *ttlp, + so we need to set it to something. + I'm not sure if this is a bug in nss-dns + or not. */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + int n; + + fname = strjoina("_nss_", module, "_gethostbyname4_r"); + f = dlsym(handle, fname); + log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); + assert_se(f); + + status = f(name, &pat, buffer, sizeof buffer, &errno1, &errno2, &ttl); + if (status == NSS_STATUS_SUCCESS) { + log_info("%s(\"%s\") → status=%s%-20spat=buffer+0x%tx errno=%d/%s h_errno=%d/%s ttl=%"PRIi32, + fname, name, + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + pat ? (char*) pat - buffer : 0, + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2), + ttl); + n = print_gaih_addrtuples(pat); + } else { + log_info("%s(\"%s\") → status=%s%-20spat=0x%p errno=%d/%s h_errno=%d/%s", + fname, name, + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + pat, + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2)); + n = 0; + } + + if (STR_IN_SET(module, "resolve", "mymachines") && status == NSS_STATUS_UNAVAIL) + return; + + if (STR_IN_SET(module, "myhostname", "resolve") && streq(name, "localhost")) { + assert_se(status == NSS_STATUS_SUCCESS); + assert_se(n == 2); + } +} + + +static void test_gethostbyname3_r(void *handle, const char *module, const char *name, int af) { + const char *fname; + _nss_gethostbyname3_r_t f; + char buffer[2000]; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, + and will access this variable through *ttlp, + so we need to set it to something. + I'm not sure if this is a bug in nss-dns + or not. */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + struct hostent host; + char *canon; + char family_name[DECIMAL_STR_MAX(int)]; + + fname = strjoina("_nss_", module, "_gethostbyname3_r"); + f = dlsym(handle, fname); + log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); + assert_se(f); + + status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl, &canon); + log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, + fname, name, af_to_string(af, family_name, sizeof family_name), + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2), + ttl); + if (status == NSS_STATUS_SUCCESS) + print_struct_hostent(&host, canon); +} + +static void test_gethostbyname2_r(void *handle, const char *module, const char *name, int af) { + const char *fname; + _nss_gethostbyname2_r_t f; + char buffer[2000]; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + struct hostent host; + char family_name[DECIMAL_STR_MAX(int)]; + + fname = strjoina("_nss_", module, "_gethostbyname2_r"); + f = dlsym(handle, fname); + log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); + assert_se(f); + + status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2); + log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s", + fname, name, af_to_string(af, family_name, sizeof family_name), + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2)); + if (status == NSS_STATUS_SUCCESS) + print_struct_hostent(&host, NULL); +} + +static void test_gethostbyname_r(void *handle, const char *module, const char *name) { + const char *fname; + _nss_gethostbyname_r_t f; + char buffer[2000]; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + struct hostent host; + + fname = strjoina("_nss_", module, "_gethostbyname_r"); + f = dlsym(handle, fname); + log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); + assert_se(f); + + status = f(name, &host, buffer, sizeof buffer, &errno1, &errno2); + log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", + fname, name, + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2)); + if (status == NSS_STATUS_SUCCESS) + print_struct_hostent(&host, NULL); +} + +static void test_gethostbyaddr2_r(void *handle, + const char *module, + const void* addr, socklen_t len, + int af) { + + const char *fname; + _nss_gethostbyaddr2_r_t f; + char buffer[2000]; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + struct hostent host; + int32_t ttl = INT32_MAX; + _cleanup_free_ char *addr_pretty = NULL; + + fname = strjoina("_nss_", module, "_gethostbyaddr2_r"); + f = dlsym(handle, fname); + + log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, + "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); + if (!f) + return; + + assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); + + status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl); + log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, + fname, addr_pretty, + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2), + ttl); + if (status == NSS_STATUS_SUCCESS) + print_struct_hostent(&host, NULL); +} + +static void test_gethostbyaddr_r(void *handle, + const char *module, + const void* addr, socklen_t len, + int af) { + + const char *fname; + _nss_gethostbyaddr_r_t f; + char buffer[2000]; + int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ + enum nss_status status; + char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; + struct hostent host; + _cleanup_free_ char *addr_pretty = NULL; + + fname = strjoina("_nss_", module, "_gethostbyaddr_r"); + f = dlsym(handle, fname); + + log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, + "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); + if (!f) + return; + + assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); + + status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2); + log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", + fname, addr_pretty, + nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", + errno1, errno_to_name(errno1) ?: "---", + errno2, hstrerror(errno2)); + if (status == NSS_STATUS_SUCCESS) + print_struct_hostent(&host, NULL); +} + +static void test_byname(void *handle, const char *module, const char *name) { + test_gethostbyname4_r(handle, module, name); + puts(""); + + test_gethostbyname3_r(handle, module, name, AF_INET); + puts(""); + test_gethostbyname3_r(handle, module, name, AF_INET6); + puts(""); + test_gethostbyname3_r(handle, module, name, AF_UNSPEC); + puts(""); + test_gethostbyname3_r(handle, module, name, AF_LOCAL); + puts(""); + + test_gethostbyname2_r(handle, module, name, AF_INET); + puts(""); + test_gethostbyname2_r(handle, module, name, AF_INET6); + puts(""); + test_gethostbyname2_r(handle, module, name, AF_UNSPEC); + puts(""); + test_gethostbyname2_r(handle, module, name, AF_LOCAL); + puts(""); + + test_gethostbyname_r(handle, module, name); + puts(""); +} + +static void test_byaddr(void *handle, + const char *module, + const void* addr, socklen_t len, + int af) { + test_gethostbyaddr2_r(handle, module, addr, len, af); + puts(""); + + test_gethostbyaddr_r(handle, module, addr, len, af); + puts(""); +} + +#ifdef HAVE_MYHOSTNAME +# define MODULE1 "myhostname\0" +#endif +#ifdef HAVE_RESOLVED +# define MODULE2 "resolve\0" +#endif +#ifdef HAVE_MACHINED +# define MODULE3 "mymachines\0" +#endif +#define MODULE4 "dns\0" + +int main(int argc, char **argv) { + _cleanup_free_ char *dir = NULL, *hostname = NULL; + const char *module; + + const uint32_t local_address_ipv4 = htonl(0x7F000001); + const uint32_t local_address_ipv4_2 = htonl(0x7F000002); + _cleanup_free_ struct local_address *addresses = NULL; + int n_addresses; + + log_set_max_level(LOG_INFO); + log_parse_environment(); + + dir = dirname_malloc(argv[0]); + assert_se(dir); + + hostname = gethostname_malloc(); + assert_se(hostname); + + n_addresses = local_addresses(NULL, 0, AF_UNSPEC, &addresses); + if (n_addresses < 0) { + log_info_errno(n_addresses, "Failed to query local addresses: %m"); + n_addresses = 0; + } + + NULSTR_FOREACH(module, MODULE1 MODULE2 MODULE3 MODULE4) { + void *handle; + const char *name; + int i; + + log_info("======== %s ========", module); + + handle = open_handle(streq(module, "dns") ? NULL : dir, + module, + RTLD_LAZY|RTLD_NODELETE); + NULSTR_FOREACH(name, "localhost\0" "gateway\0" "foo_no_such_host\0") + test_byname(handle, module, name); + + test_byname(handle, module, hostname); + + test_byaddr(handle, module, &local_address_ipv4, sizeof local_address_ipv4, AF_INET); + test_byaddr(handle, module, &local_address_ipv4_2, sizeof local_address_ipv4_2, AF_INET); + test_byaddr(handle, module, &in6addr_loopback, sizeof in6addr_loopback, AF_INET6); + + for (i = 0; i < n_addresses; i++) + test_byaddr(handle, module, + &addresses[i].address, + FAMILY_ADDRESS_SIZE(addresses[i].family), + addresses[i].family); + + dlclose(handle); + + log_info(" "); + } + + return EXIT_SUCCESS; +} |