misc/adsb-tools
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Show capabilities on startup.

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This commit is contained in:
Ian Gulliver
2016-03-09 18:00:22 -08:00
parent 374ff1208b
commit 8898142c97
2 changed files with 9 additions and 1 deletions
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2
adsbus/Makefile
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@@ -2,7 +2,7 @@ COMP ?= clang
DISABLED_WARNINGS ?= -Wno-padded -Wno-disabled-macro-expansion DISABLED_WARNINGS ?= -Wno-padded -Wno-disabled-macro-expansion
CFLAGS ?= -Weverything -Werror -O3 -g --std=gnu11 --pedantic-errors -fPIE -fstack-protector-strong -pthread -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 $(DISABLED_WARNINGS) CFLAGS ?= -Weverything -Werror -O3 -g --std=gnu11 --pedantic-errors -fPIE -fstack-protector-strong -pthread -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 $(DISABLED_WARNINGS)
LDFLAGS ?= $(CFLAGS) -Wl,-z,relro -Wl,-z,now -pie LDFLAGS ?= $(CFLAGS) -Wl,-z,relro -Wl,-z,now -pie
LIBS ?= -ljansson -lprotobuf-c LIBS ?= -lcap -ljansson -lprotobuf-c
TESTCASE_DIR ?= testcase TESTCASE_DIR ?= testcase
TESTOUT_DIR ?= testout TESTOUT_DIR ?= testout

8
adsbus/server.c
View File

@@ -1,6 +1,7 @@
#include <assert.h> #include <assert.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sys/capability.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/utsname.h> #include <sys/utsname.h>
#include <unistd.h> #include <unistd.h>
@@ -72,13 +73,20 @@ void server_init() {
LOG(server_id, "Runtime data:"); LOG(server_id, "Runtime data:");
struct utsname utsname; struct utsname utsname;
assert(!uname(&utsname)); assert(!uname(&utsname));
cap_t caps = cap_get_proc();
assert(caps);
char *caps_str = cap_to_text(caps, NULL);
assert(caps_str);
assert(!cap_free(caps));
LOG(server_id, "\tusername: %s", getlogin()); LOG(server_id, "\tusername: %s", getlogin());
LOG(server_id, "\thostname: %s", utsname.nodename); LOG(server_id, "\thostname: %s", utsname.nodename);
LOG(server_id, "\tprocess_id: %d", getpid()); LOG(server_id, "\tprocess_id: %d", getpid());
LOG(server_id, "\tcapabilities: %s", caps_str);
LOG(server_id, "\tsystem: %s", utsname.sysname); LOG(server_id, "\tsystem: %s", utsname.sysname);
LOG(server_id, "\trelease: %s", utsname.release); LOG(server_id, "\trelease: %s", utsname.release);
LOG(server_id, "\tversion: %s", utsname.version); LOG(server_id, "\tversion: %s", utsname.version);
LOG(server_id, "\tmachine: %s", utsname.machine); LOG(server_id, "\tmachine: %s", utsname.machine);
assert(!cap_free(caps_str));
opts_call(server_opts1); opts_call(server_opts1);
opts_call(server_opts2); opts_call(server_opts2);