From c430fee6ffda0e3736e4e2b617bef0a4c0882849 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 29 Oct 2013 19:30:55 +0100 Subject: bus: add new sd_bus_message_verify_type() and sd_bus_message_copy() API calls --- src/libsystemd-bus/bus-message.c | 351 +++++++++++++++++++++----------- src/libsystemd-bus/bus-message.h | 2 +- src/libsystemd-bus/busctl.c | 2 +- src/libsystemd-bus/test-bus-kernel.c | 4 +- src/libsystemd-bus/test-bus-marshal.c | 48 ++++- src/libsystemd-bus/test-bus-objects.c | 10 +- src/libsystemd-bus/test-bus-zero-copy.c | 4 +- src/systemd/sd-bus.h | 2 + 8 files changed, 286 insertions(+), 137 deletions(-) diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c index b0d4dd2158..0d565ddf9c 100644 --- a/src/libsystemd-bus/bus-message.c +++ b/src/libsystemd-bus/bus-message.c @@ -3103,10 +3103,8 @@ int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **content struct bus_container *c; int r; - if (!m) - return -EINVAL; - if (!m->sealed) - return -EPERM; + assert_return(m, -EINVAL); + assert_return(m->sealed, -EPERM); c = message_get_container(m); @@ -4018,7 +4016,7 @@ int sd_bus_message_set_destination(sd_bus_message *m, const char *destination) { return message_append_field_string(m, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, destination, &m->destination); } -int bus_message_dump(sd_bus_message *m) { +int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) { const char *u = NULL, *uu = NULL, *s = NULL; char **cmdline = NULL; unsigned level = 1; @@ -4028,102 +4026,108 @@ int bus_message_dump(sd_bus_message *m) { assert(m); - printf("Message %p\n" - "\tn_ref=%u\n" - "\tendian=%c\n" - "\ttype=%i\n" - "\tflags=%u\n" - "\tversion=%u\n" - "\tserial=%u\n" - "\tfields_size=%u\n" - "\tbody_size=%u\n" - "\tpath=%s\n" - "\tinterface=%s\n" - "\tmember=%s\n" - "\tdestination=%s\n" - "\tsender=%s\n" - "\tsignature=%s\n" - "\treply_serial=%u\n" - "\terror.name=%s\n" - "\terror.message=%s\n" - "\tsealed=%s\n" - "\tn_body_parts=%u\n", - m, - m->n_ref, - m->header->endian, - m->header->type, - m->header->flags, - m->header->version, - BUS_MESSAGE_SERIAL(m), - BUS_MESSAGE_FIELDS_SIZE(m), - BUS_MESSAGE_BODY_SIZE(m), - strna(m->path), - strna(m->interface), - strna(m->member), - strna(m->destination), - strna(m->sender), - strna(m->root_container.signature), - m->reply_serial, - strna(m->error.name), - strna(m->error.message), - yes_no(m->sealed), - m->n_body_parts); - - if (m->pid != 0) - printf("\tpid=%lu\n", (unsigned long) m->pid); - if (m->tid != 0) - printf("\ttid=%lu\n", (unsigned long) m->tid); - if (m->uid_valid) - printf("\tuid=%lu\n", (unsigned long) m->uid); - if (m->gid_valid) - printf("\tgid=%lu\n", (unsigned long) m->gid); - if (m->pid_starttime != 0) - printf("\tpid_starttime=%llu\n", (unsigned long long) m->pid_starttime); - if (m->monotonic != 0) - printf("\tmonotonic=%llu\n", (unsigned long long) m->monotonic); - if (m->realtime != 0) - printf("\trealtime=%llu\n", (unsigned long long) m->realtime); - if (m->exe) - printf("\texe=[%s]\n", m->exe); - if (m->comm) - printf("\tcomm=[%s]\n", m->comm); - if (m->tid_comm) - printf("\ttid_comm=[%s]\n", m->tid_comm); - if (m->label) - printf("\tlabel=[%s]\n", m->label); - if (m->cgroup) - printf("\tcgroup=[%s]\n", m->cgroup); - - sd_bus_message_get_unit(m, &u); - if (u) - printf("\tunit=[%s]\n", u); - sd_bus_message_get_user_unit(m, &uu); - if (uu) - printf("\tuser_unit=[%s]\n", uu); - sd_bus_message_get_session(m, &s); - if (s) - printf("\tsession=[%s]\n", s); - if (sd_bus_message_get_owner_uid(m, &owner) >= 0) - printf("\towner_uid=%lu\n", (unsigned long) owner); - if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0) - printf("\taudit_loginuid=%lu\n", (unsigned long) audit_loginuid); - if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0) - printf("\taudit_sessionid=%lu\n", (unsigned long) audit_sessionid); - - printf("\tCAP_KILL=%i\n", sd_bus_message_has_effective_cap(m, 5)); - - if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) { - char **c; - - fputs("\tcmdline=[", stdout); - STRV_FOREACH(c, cmdline) { - if (c != cmdline) - putchar(' '); - - fputs(*c, stdout); - } + if (!f) + f = stdout; + + if (with_header) { + fprintf(f, + "Message %p\n" + "\tn_ref=%u\n" + "\tendian=%c\n" + "\ttype=%i\n" + "\tflags=%u\n" + "\tversion=%u\n" + "\tserial=%u\n" + "\tfields_size=%u\n" + "\tbody_size=%u\n" + "\tpath=%s\n" + "\tinterface=%s\n" + "\tmember=%s\n" + "\tdestination=%s\n" + "\tsender=%s\n" + "\tsignature=%s\n" + "\treply_serial=%u\n" + "\terror.name=%s\n" + "\terror.message=%s\n" + "\tsealed=%s\n" + "\tn_body_parts=%u\n", + m, + m->n_ref, + m->header->endian, + m->header->type, + m->header->flags, + m->header->version, + BUS_MESSAGE_SERIAL(m), + BUS_MESSAGE_FIELDS_SIZE(m), + BUS_MESSAGE_BODY_SIZE(m), + strna(m->path), + strna(m->interface), + strna(m->member), + strna(m->destination), + strna(m->sender), + strna(m->root_container.signature), + m->reply_serial, + strna(m->error.name), + strna(m->error.message), + yes_no(m->sealed), + m->n_body_parts); + + if (m->pid != 0) + fprintf(f, "\tpid=%lu\n", (unsigned long) m->pid); + if (m->tid != 0) + fprintf(f, "\ttid=%lu\n", (unsigned long) m->tid); + if (m->uid_valid) + fprintf(f, "\tuid=%lu\n", (unsigned long) m->uid); + if (m->gid_valid) + fprintf(f, "\tgid=%lu\n", (unsigned long) m->gid); + if (m->pid_starttime != 0) + fprintf(f, "\tpid_starttime=%llu\n", (unsigned long long) m->pid_starttime); + if (m->monotonic != 0) + fprintf(f, "\tmonotonic=%llu\n", (unsigned long long) m->monotonic); + if (m->realtime != 0) + fprintf(f, "\trealtime=%llu\n", (unsigned long long) m->realtime); + if (m->exe) + fprintf(f, "\texe=[%s]\n", m->exe); + if (m->comm) + fprintf(f, "\tcomm=[%s]\n", m->comm); + if (m->tid_comm) + fprintf(f, "\ttid_comm=[%s]\n", m->tid_comm); + if (m->label) + fprintf(f, "\tlabel=[%s]\n", m->label); + if (m->cgroup) + fprintf(f, "\tcgroup=[%s]\n", m->cgroup); + + sd_bus_message_get_unit(m, &u); + if (u) + fprintf(f, "\tunit=[%s]\n", u); + sd_bus_message_get_user_unit(m, &uu); + if (uu) + fprintf(f, "\tuser_unit=[%s]\n", uu); + sd_bus_message_get_session(m, &s); + if (s) + fprintf(f, "\tsession=[%s]\n", s); + if (sd_bus_message_get_owner_uid(m, &owner) >= 0) + fprintf(f, "\towner_uid=%lu\n", (unsigned long) owner); + if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0) + fprintf(f, "\taudit_loginuid=%lu\n", (unsigned long) audit_loginuid); + if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0) + fprintf(f, "\taudit_sessionid=%lu\n", (unsigned long) audit_sessionid); + + fprintf(f, "\tCAP_KILL=%i\n", sd_bus_message_has_effective_cap(m, 5)); + + if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) { + char **c; + + fputs("\tcmdline=[", f); + STRV_FOREACH(c, cmdline) { + if (c != cmdline) + fputc(' ', f); + + fputs(*c, f); + } - fputs("]\n", stdout); + fputs("]\n", f); + } } r = sd_bus_message_rewind(m, true); @@ -4132,7 +4136,7 @@ int bus_message_dump(sd_bus_message *m) { return r; } - printf("BEGIN_MESSAGE \"%s\" {\n", strempty(m->root_container.signature)); + fprintf(f, "BEGIN_MESSAGE \"%s\" {\n", strempty(m->root_container.signature)); for(;;) { _cleanup_free_ char *prefix = NULL; @@ -4173,13 +4177,13 @@ int bus_message_dump(sd_bus_message *m) { return log_oom(); if (type == SD_BUS_TYPE_ARRAY) - printf("%s} END_ARRAY \n", prefix); + fprintf(f, "%s} END_ARRAY \n", prefix); else if (type == SD_BUS_TYPE_VARIANT) - printf("%s} END_VARIANT\n", prefix); + fprintf(f, "%s} END_VARIANT\n", prefix); else if (type == SD_BUS_TYPE_STRUCT) - printf("%s} END_STRUCT\n", prefix); + fprintf(f, "%s} END_STRUCT\n", prefix); else if (type == SD_BUS_TYPE_DICT_ENTRY) - printf("%s} END_DICT_ENTRY\n", prefix); + fprintf(f, "%s} END_DICT_ENTRY\n", prefix); continue; } @@ -4196,13 +4200,13 @@ int bus_message_dump(sd_bus_message *m) { } if (type == SD_BUS_TYPE_ARRAY) - printf("%sBEGIN_ARRAY \"%s\" {\n", prefix, contents); + fprintf(f, "%sBEGIN_ARRAY \"%s\" {\n", prefix, contents); else if (type == SD_BUS_TYPE_VARIANT) - printf("%sBEGIN_VARIANT \"%s\" {\n", prefix, contents); + fprintf(f, "%sBEGIN_VARIANT \"%s\" {\n", prefix, contents); else if (type == SD_BUS_TYPE_STRUCT) - printf("%sBEGIN_STRUCT \"%s\" {\n", prefix, contents); + fprintf(f, "%sBEGIN_STRUCT \"%s\" {\n", prefix, contents); else if (type == SD_BUS_TYPE_DICT_ENTRY) - printf("%sBEGIN_DICT_ENTRY \"%s\" {\n", prefix, contents); + fprintf(f, "%sBEGIN_DICT_ENTRY \"%s\" {\n", prefix, contents); level ++; @@ -4215,58 +4219,60 @@ int bus_message_dump(sd_bus_message *m) { return r; } + assert(r > 0); + switch (type) { case SD_BUS_TYPE_BYTE: - printf("%sBYTE: %u\n", prefix, basic.u8); + fprintf(f, "%sBYTE: %u\n", prefix, basic.u8); break; case SD_BUS_TYPE_BOOLEAN: - printf("%sBOOLEAN: %s\n", prefix, yes_no(basic.i)); + fprintf(f, "%sBOOLEAN: %s\n", prefix, yes_no(basic.i)); break; case SD_BUS_TYPE_INT16: - printf("%sINT16: %i\n", prefix, basic.s16); + fprintf(f, "%sINT16: %i\n", prefix, basic.s16); break; case SD_BUS_TYPE_UINT16: - printf("%sUINT16: %u\n", prefix, basic.u16); + fprintf(f, "%sUINT16: %u\n", prefix, basic.u16); break; case SD_BUS_TYPE_INT32: - printf("%sINT32: %i\n", prefix, basic.s32); + fprintf(f, "%sINT32: %i\n", prefix, basic.s32); break; case SD_BUS_TYPE_UINT32: - printf("%sUINT32: %u\n", prefix, basic.u32); + fprintf(f, "%sUINT32: %u\n", prefix, basic.u32); break; case SD_BUS_TYPE_INT64: - printf("%sINT64: %lli\n", prefix, (long long) basic.s64); + fprintf(f, "%sINT64: %lli\n", prefix, (long long) basic.s64); break; case SD_BUS_TYPE_UINT64: - printf("%sUINT64: %llu\n", prefix, (unsigned long long) basic.u64); + fprintf(f, "%sUINT64: %llu\n", prefix, (unsigned long long) basic.u64); break; case SD_BUS_TYPE_DOUBLE: - printf("%sDOUBLE: %g\n", prefix, basic.d64); + fprintf(f, "%sDOUBLE: %g\n", prefix, basic.d64); break; case SD_BUS_TYPE_STRING: - printf("%sSTRING: \"%s\"\n", prefix, basic.string); + fprintf(f, "%sSTRING: \"%s\"\n", prefix, basic.string); break; case SD_BUS_TYPE_OBJECT_PATH: - printf("%sOBJECT_PATH: \"%s\"\n", prefix, basic.string); + fprintf(f, "%sOBJECT_PATH: \"%s\"\n", prefix, basic.string); break; case SD_BUS_TYPE_SIGNATURE: - printf("%sSIGNATURE: \"%s\"\n", prefix, basic.string); + fprintf(f, "%sSIGNATURE: \"%s\"\n", prefix, basic.string); break; case SD_BUS_TYPE_UNIX_FD: - printf("%sUNIX_FD: %i\n", prefix, basic.i); + fprintf(f, "%sUNIX_FD: %i\n", prefix, basic.i); break; default: @@ -4274,7 +4280,7 @@ int bus_message_dump(sd_bus_message *m) { } } - printf("} END_MESSAGE\n"); + fprintf(f, "} END_MESSAGE\n"); return 0; } @@ -4420,3 +4426,102 @@ const char* sd_bus_message_get_signature(sd_bus_message *m, int complete) { c = complete ? &m->root_container : message_get_container(m); return c->signature ?: ""; } + +int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all) { + bool done_something = false; + int r; + + do { + const char *contents; + char type; + union { + uint8_t u8; + uint16_t u16; + int16_t s16; + uint32_t u32; + int32_t s32; + uint64_t u64; + int64_t s64; + double d64; + const char *string; + int i; + } basic; + + r = sd_bus_message_peek_type(source, &type, &contents); + if (r < 0) + return r; + if (r == 0) + break; + + done_something = true; + + if (bus_type_is_container(type) > 0) { + + r = sd_bus_message_enter_container(source, type, contents); + if (r < 0) + return r; + + r = sd_bus_message_open_container(m, type, contents); + if (r < 0) + return r; + + r = sd_bus_message_copy(m, source, true); + if (r < 0) + return r; + + r = sd_bus_message_close_container(m); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(source); + if (r < 0) + return r; + + continue; + } + + r = sd_bus_message_read_basic(source, type, &basic); + if (r < 0) + return r; + + assert(r > 0); + + if (type == SD_BUS_TYPE_OBJECT_PATH || + type == SD_BUS_TYPE_SIGNATURE || + type == SD_BUS_TYPE_STRING) + r = sd_bus_message_append_basic(m, type, basic.string); + else + r = sd_bus_message_append_basic(m, type, &basic); + + if (r < 0) + return r; + + } while (all); + + return done_something; +} + +int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents) { + const char *c; + char t; + int r; + + assert_return(m, -EINVAL); + assert_return(m->sealed, -EPERM); + assert_return(!type || bus_type_is_valid(type), -EINVAL); + assert_return(!contents || signature_is_valid(contents, true), -EINVAL); + assert_return(type || contents, -EINVAL); + assert_return(!contents || !type || bus_type_is_container(type), -EINVAL); + + r = sd_bus_message_peek_type(m, &t, &c); + if (r <= 0) + return r; + + if (type != 0 && type != t) + return 0; + + if (contents && !streq_ptr(contents, c)) + return 0; + + return 1; +} diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index c79ff1bc93..d0f11d8f64 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -190,7 +190,7 @@ static inline void* BUS_MESSAGE_FIELDS(sd_bus_message *m) { } int bus_message_seal(sd_bus_message *m, uint64_t serial); -int bus_message_dump(sd_bus_message *m); +int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header); int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz); int bus_message_read_strv_extend(sd_bus_message *m, char ***l); diff --git a/src/libsystemd-bus/busctl.c b/src/libsystemd-bus/busctl.c index b15b41ae77..cb7d258f5a 100644 --- a/src/libsystemd-bus/busctl.c +++ b/src/libsystemd-bus/busctl.c @@ -158,7 +158,7 @@ static int monitor(sd_bus *bus, char *argv[]) { } if (m) { - bus_message_dump(m); + bus_message_dump(m, stdout, true); continue; } diff --git a/src/libsystemd-bus/test-bus-kernel.c b/src/libsystemd-bus/test-bus-kernel.c index 075903c2f4..e498801210 100644 --- a/src/libsystemd-bus/test-bus-kernel.c +++ b/src/libsystemd-bus/test-bus-kernel.c @@ -103,7 +103,7 @@ int main(int argc, char *argv[]) { assert_se(r > 0); assert_se(m); - bus_message_dump(m); + bus_message_dump(m, stdout, true); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); @@ -142,7 +142,7 @@ int main(int argc, char *argv[]) { assert_se(r > 0); assert_se(m); - bus_message_dump(m); + bus_message_dump(m, stdout, true); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { diff --git a/src/libsystemd-bus/test-bus-marshal.c b/src/libsystemd-bus/test-bus-marshal.c index 1e2caa0620..baa269c9aa 100644 --- a/src/libsystemd-bus/test-bus-marshal.c +++ b/src/libsystemd-bus/test-bus-marshal.c @@ -37,7 +37,7 @@ #include "bus-util.h" int main(int argc, char *argv[]) { - _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *copy = NULL; int r, boolean; const char *x, *y, *z, *a, *b, *c, *d; uint8_t u, v; @@ -46,6 +46,9 @@ int main(int argc, char *argv[]) { char *h; const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array; char *s; + _cleanup_free_ char *first = NULL, *second = NULL, *third = NULL; + _cleanup_fclose_ FILE *ms = NULL; + size_t first_size = 0, second_size = 0, third_size = 0; r = sd_bus_message_new_method_call(NULL, "foobar.waldo", "/", "foobar.waldo", "Piep", &m); assert_se(r >= 0); @@ -90,7 +93,12 @@ int main(int argc, char *argv[]) { r = bus_message_seal(m, 4711); assert_se(r >= 0); - bus_message_dump(m); + bus_message_dump(m, stdout, true); + + ms = open_memstream(&first, &first_size); + bus_message_dump(m, ms, false); + fflush(ms); + assert_se(!ferror(ms)); r = bus_message_get_blob(m, &buffer, &sz); assert_se(r >= 0); @@ -136,7 +144,15 @@ int main(int argc, char *argv[]) { r = bus_message_from_malloc(buffer, sz, NULL, 0, NULL, NULL, &m); assert_se(r >= 0); - bus_message_dump(m); + bus_message_dump(m, stdout, true); + + fclose(ms); + ms = open_memstream(&second, &second_size); + bus_message_dump(m, ms, false); + fflush(ms); + assert_se(!ferror(ms)); + assert_se(first_size == second_size); + assert_se(memcmp(first, second, first_size) == 0); assert_se(sd_bus_message_rewind(m, true) >= 0); @@ -173,6 +189,8 @@ int main(int argc, char *argv[]) { assert_se(streq(c, "ccc")); assert_se(streq(d, "3")); + assert_se(sd_bus_message_verify_type(m, 'a', "s") > 0); + r = sd_bus_message_read(m, "as", 2, &x, &y); assert_se(r > 0); assert_se(streq(x, "foobar")); @@ -190,5 +208,29 @@ int main(int argc, char *argv[]) { r = sd_bus_message_peek_type(m, NULL, NULL); assert_se(r == 0); + r = sd_bus_message_new_method_call(NULL, "foobar.waldo", "/", "foobar.waldo", "Piep", ©); + assert_se(r >= 0); + + r = sd_bus_message_rewind(m, true); + assert_se(r >= 0); + + r = sd_bus_message_copy(copy, m, true); + assert_se(r >= 0); + + r = bus_message_seal(copy, 4712); + assert_se(r >= 0); + + fclose(ms); + ms = open_memstream(&third, &third_size); + bus_message_dump(copy, ms, false); + fflush(ms); + assert_se(!ferror(ms)); + + printf("<%.*s>", (int) first_size, first); + printf("<%.*s>", (int) third_size, third); + + assert_se(first_size == third_size); + assert_se(memcmp(first, third, third_size) == 0); + return 0; } diff --git a/src/libsystemd-bus/test-bus-objects.c b/src/libsystemd-bus/test-bus-objects.c index 8758404189..e7b9321583 100644 --- a/src/libsystemd-bus/test-bus-objects.c +++ b/src/libsystemd-bus/test-bus-objects.c @@ -366,7 +366,7 @@ static int client(struct context *c) { r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", ""); assert_se(r >= 0); - bus_message_dump(reply); + bus_message_dump(reply, stdout, true); sd_bus_message_unref(reply); reply = NULL; @@ -384,7 +384,7 @@ static int client(struct context *c) { r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects", &error, &reply, ""); assert_se(r >= 0); - bus_message_dump(reply); + bus_message_dump(reply, stdout, true); sd_bus_message_unref(reply); reply = NULL; @@ -396,7 +396,7 @@ static int client(struct context *c) { assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged")); - bus_message_dump(reply); + bus_message_dump(reply, stdout, true); sd_bus_message_unref(reply); reply = NULL; @@ -408,7 +408,7 @@ static int client(struct context *c) { assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded")); - bus_message_dump(reply); + bus_message_dump(reply, stdout, true); sd_bus_message_unref(reply); reply = NULL; @@ -420,7 +420,7 @@ static int client(struct context *c) { assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved")); - bus_message_dump(reply); + bus_message_dump(reply, stdout, true); sd_bus_message_unref(reply); reply = NULL; diff --git a/src/libsystemd-bus/test-bus-zero-copy.c b/src/libsystemd-bus/test-bus-zero-copy.c index db3906e274..0c07a33735 100644 --- a/src/libsystemd-bus/test-bus-zero-copy.c +++ b/src/libsystemd-bus/test-bus-zero-copy.c @@ -130,7 +130,7 @@ int main(int argc, char *argv[]) { r = bus_message_seal(m, 55); assert_se(r >= 0); - bus_message_dump(m); + bus_message_dump(m, stdout, true); r = sd_bus_send(b, m, NULL); assert_se(r >= 0); @@ -140,7 +140,7 @@ int main(int argc, char *argv[]) { r = sd_bus_process(a, &m); assert_se(r > 0); - bus_message_dump(m); + bus_message_dump(m, stdout, true); sd_bus_message_rewind(m, true); r = sd_bus_message_enter_container(m, 'r', "aysay"); diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h index c36ea5acfe..a98887dac7 100644 --- a/src/systemd/sd-bus.h +++ b/src/systemd/sd-bus.h @@ -190,6 +190,7 @@ int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd* memfd); int sd_bus_message_append_strv(sd_bus_message *m, char **l); int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); int sd_bus_message_close_container(sd_bus_message *m); +int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all); int sd_bus_message_read(sd_bus_message *m, const char *types, ...); int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p); @@ -197,6 +198,7 @@ int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, si int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents); int sd_bus_message_exit_container(sd_bus_message *m); int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents); +int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents); int sd_bus_message_rewind(sd_bus_message *m, int complete); /* Convenience calls */ -- cgit v1.2.3-54-g00ecf