diff options
| -rw-r--r-- | src/libsystemd-bus/bus-dump.c | 313 | ||||
| -rw-r--r-- | src/libsystemd-bus/bus-dump.h | 29 |
2 files changed, 342 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-dump.c b/src/libsystemd-bus/bus-dump.c new file mode 100644 index 0000000000..8c44326f90 --- /dev/null +++ b/src/libsystemd-bus/bus-dump.c @@ -0,0 +1,313 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + 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 <sys/capability.h> + +#include "util.h" +#include "capability.h" +#include "strv.h" + +#include "bus-message.h" +#include "bus-internal.h" +#include "bus-type.h" +#include "bus-dump.h" + +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; + int r; + uid_t owner, audit_loginuid; + uint32_t audit_sessionid; + + assert(m); + + if (!f) + f = stdout; + + if (with_header) { + fprintf(f, + "%sEndian=%c Type=%s%s%s Flags=%u Version=%u Serial=%u ", + draw_special_char(DRAW_TRIANGULAR_BULLET), + m->header->endian, + ansi_highlight(), bus_message_type_to_string(m->header->type), ansi_highlight_off(), + m->header->flags, + m->header->version, + BUS_MESSAGE_SERIAL(m)); + + if (m->reply_serial != 0) + fprintf(f, " ReplySerial=%u", m->reply_serial); + + fputs("\n", f); + + if (m->sender) + fprintf(f, " Sender=%s%s%s", ansi_highlight(), m->sender, ansi_highlight_off()); + if (m->destination) + fprintf(f, " Destination=%s%s%s", ansi_highlight(), m->destination, ansi_highlight_off()); + if (m->path) + fprintf(f, " Path=%s%s%s", ansi_highlight(), m->path, ansi_highlight_off()); + if (m->interface) + fprintf(f, " Interface=%s%s%s", ansi_highlight(), m->interface, ansi_highlight_off()); + if (m->member) + fprintf(f, " Member=%s%s%s", ansi_highlight(), m->member, ansi_highlight_off()); + + if (m->sender || m->destination || m->path || m->interface || m->member) + fputs("\n", f); + + if (sd_bus_error_is_set(&m->error)) + fprintf(f, + " ErrorName=%s%s%s" + " ErrorMessage=%s\"%s\"%s\n", + ansi_highlight_red(), strna(m->error.name), ansi_highlight_off(), + ansi_highlight_red(), strna(m->error.message), ansi_highlight_off()); + + if (m->pid != 0) + fprintf(f, " PID=%lu", (unsigned long) m->pid); + if (m->pid_starttime != 0) + fprintf(f, " PIDStartTime=%llu", (unsigned long long) m->pid_starttime); + if (m->tid != 0) + fprintf(f, " TID=%lu", (unsigned long) m->tid); + if (m->uid_valid) + fprintf(f, " UID=%lu", (unsigned long) m->uid); + r = sd_bus_message_get_owner_uid(m, &owner); + if (r >= 0) + fprintf(f, " OwnerUID=%lu", (unsigned long) owner); + if (m->gid_valid) + fprintf(f, " GID=%lu", (unsigned long) m->gid); + + if (m->pid != 0 || m->pid_starttime != 0 || m->tid != 0 || m->uid_valid || r >= 0 || m->gid_valid) + fputs("\n", f); + + if (m->monotonic != 0) + fprintf(f, " Monotonic=%llu", (unsigned long long) m->monotonic); + if (m->realtime != 0) + fprintf(f, " Realtime=%llu", (unsigned long long) m->realtime); + + if (m->monotonic != 0 || m->realtime != 0) + fputs("\n", f); + + if (m->exe) + fprintf(f, " Exe=%s", m->exe); + if (m->comm) + fprintf(f, " Comm=%s", m->comm); + if (m->tid_comm) + fprintf(f, " TIDComm=%s", m->tid_comm); + if (m->label) + fprintf(f, " Label=%s", m->label); + + if (m->exe || m->comm || m->tid_comm || m->label) + fputs("\n", f); + + if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) { + char **c; + + fputs(" CommandLine=[", f); + STRV_FOREACH(c, cmdline) { + if (c != cmdline) + fputc(' ', f); + + fputs(*c, f); + } + + fputs("]\n", f); + } + + if (m->cgroup) + fprintf(f, " CGroup=%s\n", m->cgroup); + + sd_bus_message_get_unit(m, &u); + if (u) + fprintf(f, " Unit=%s", u); + sd_bus_message_get_user_unit(m, &uu); + if (uu) + fprintf(f, " UserUnit=%s", uu); + sd_bus_message_get_session(m, &s); + if (s) + fprintf(f, " Session=%s", s); + if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0) + fprintf(f, " AuditLoginUID=%lu", (unsigned long) audit_loginuid); + if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0) + fprintf(f, " AuditSessionID=%lu", (unsigned long) audit_sessionid); + + if (u || uu || s || audit_loginuid || audit_sessionid) + fputs("\n", f); + + r = sd_bus_message_has_effective_cap(m, 0); + if (r >= 0) { + unsigned long c, last_cap; + + fprintf(f, " Capabilities=%s", r ? cap_to_name(0) : ""); + + last_cap = cap_last_cap(); + for (c = 0; c < last_cap; c++) { + r = sd_bus_message_has_effective_cap(m, c); + if (r > 0) + fprintf(f, "|%s", cap_to_name(c)); + } + } + } + + r = sd_bus_message_rewind(m, true); + if (r < 0) { + log_error("Failed to rewind: %s", strerror(-r)); + return r; + } + + fprintf(f, "MESSAGE \"%s\" {\n", strempty(m->root_container.signature)); + + for(;;) { + _cleanup_free_ char *prefix = NULL; + const char *contents = NULL; + 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(m, &type, &contents); + if (r < 0) { + log_error("Failed to peek type: %s", strerror(-r)); + return r; + } + + if (r == 0) { + if (level <= 1) + break; + + r = sd_bus_message_exit_container(m); + if (r < 0) { + log_error("Failed to exit container: %s", strerror(-r)); + return r; + } + + level--; + + prefix = strrep("\t", level); + if (!prefix) + return log_oom(); + + fprintf(f, "%s};\n", prefix); + continue; + } + + prefix = strrep("\t", level); + if (!prefix) + return log_oom(); + + if (bus_type_is_container(type) > 0) { + r = sd_bus_message_enter_container(m, type, contents); + if (r < 0) { + log_error("Failed to enter container: %s", strerror(-r)); + return r; + } + + if (type == SD_BUS_TYPE_ARRAY) + fprintf(f, "%sARRAY \"%s\" {\n", prefix, contents); + else if (type == SD_BUS_TYPE_VARIANT) + fprintf(f, "%sVARIANT \"%s\" {\n", prefix, contents); + else if (type == SD_BUS_TYPE_STRUCT) + fprintf(f, "%sSTRUCT \"%s\" {\n", prefix, contents); + else if (type == SD_BUS_TYPE_DICT_ENTRY) + fprintf(f, "%sDICT_ENTRY \"%s\" {\n", prefix, contents); + + level ++; + + continue; + } + + r = sd_bus_message_read_basic(m, type, &basic); + if (r < 0) { + log_error("Failed to get basic: %s", strerror(-r)); + return r; + } + + assert(r > 0); + + switch (type) { + + case SD_BUS_TYPE_BYTE: + fprintf(f, "%sBYTE %s%u%s;\n", prefix, ansi_highlight(), basic.u8, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_BOOLEAN: + fprintf(f, "%sBOOLEAN %s%s%s;\n", prefix, ansi_highlight(), yes_no(basic.i), ansi_highlight_off()); + break; + + case SD_BUS_TYPE_INT16: + fprintf(f, "%sINT16 %s%i%s;\n", prefix, ansi_highlight(), basic.s16, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_UINT16: + fprintf(f, "%sUINT16 %s%u%s;\n", prefix, ansi_highlight(), basic.u16, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_INT32: + fprintf(f, "%sINT32 %s%i%s;\n", prefix, ansi_highlight(), basic.s32, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_UINT32: + fprintf(f, "%sUINT32 %s%u%s;\n", prefix, ansi_highlight(), basic.u32, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_INT64: + fprintf(f, "%sINT64 %s%lli%s;\n", prefix, ansi_highlight(), (long long) basic.s64, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_UINT64: + fprintf(f, "%sUINT64 %s%llu%s;\n", prefix, ansi_highlight(), (unsigned long long) basic.u64, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_DOUBLE: + fprintf(f, "%sDOUBLE %s%g%s;\n", prefix, ansi_highlight(), basic.d64, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_STRING: + fprintf(f, "%sSTRING \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_OBJECT_PATH: + fprintf(f, "%sOBJECT_PATH \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_SIGNATURE: + fprintf(f, "%sSIGNATURE \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off()); + break; + + case SD_BUS_TYPE_UNIX_FD: + fprintf(f, "%sUNIX_FD %s%i%s;\n", prefix, ansi_highlight(), basic.i, ansi_highlight_off()); + break; + + default: + assert_not_reached("Unknown basic type."); + } + } + + fprintf(f, "};\n"); + return 0; +} diff --git a/src/libsystemd-bus/bus-dump.h b/src/libsystemd-bus/bus-dump.h new file mode 100644 index 0000000000..51aa6aad4a --- /dev/null +++ b/src/libsystemd-bus/bus-dump.h @@ -0,0 +1,29 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#pragma once + +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + 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 <stdio.h> +#include <stdbool.h> + +#include "sd-bus.h" + +int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header); |