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Code Issues Releases Wiki Activity

removed license checks

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This commit is contained in:
Steffen Vogel 2015-11-23 16:35:30 +01:00
parent 88a6f0cf5d
commit 0534f5ce65
4 changed files with 0 additions and 67 deletions
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9
server/Makefile
View file

@ -75,15 +75,6 @@ receive: receive.o $(OBJS)
test: test.o $(OBJS)
random: random.o msg.o utils.o timing.o log.o
protected: CFLAGS += -DLICENSE -DLICENSE_VALID=$(shell date -d "now +5months" +%s) -s -O3 -fvisibility=hidden
protected: clean strip
strip: $(TARGETS)
strip --remove-section=.comment \
--remove-section=.note \
--strip-debug \
--strip-all \
$(TARGETS)
clean:
$(RM) *~ *.o *.d

13
server/include/checks.h
View file

@ -50,17 +50,4 @@ int check_kernel_module(char *module);
*/
int check_root();
/** Simple copy protection.
*
* This function checks several machine IDs for predefined values.
*
* @retval 0 The machine is allowed to run this program.
* @reval <>0 The machine is not allowed to run this program.
*/
int check_license_ids();
int check_license_time();
int check_license_trace();
#endif /* _CHECKS_H_ */

37
server/src/checks.c
View file

@ -81,40 +81,3 @@ int check_root()
{
return getuid();
}
int check_license_time()
{
return time(NULL) > LICENSE_VALID;
}
int check_license_trace()
{
return ptrace(PTRACE_TRACEME, 0, 0, 0) < 0;
}
int check_license_ids()
{
const struct {
char *file, *content;
off_t offset;
} checks[] = LICENSE_CHECKS;
FILE *f;
char buf[128];
for (int i = 0; i < ARRAY_LEN(checks); i++) {
f = fopen(checks[i].file, "r");
if (!f)
return -1;
fseek(f, checks[i].offset, SEEK_SET);
fgets(buf, sizeof(buf), f);
fclose(f);
if (strncmp(buf, checks[i].content, strlen(checks[i].content)))
return -1;
}
return 0;
}

8
server/src/server.c
View file

@ -151,14 +151,6 @@ int main(int argc, char *argv[])
BLD(MAG(__DATE__)), BLD(MAG(__TIME__)));
/* Checks system requirements*/
#ifdef LICENSE
if (check_license_trace())
error("This software should not be traced!");
if (check_license_time())
error("Your license expired");
if (check_license_ids())
error("This version is compiled for a different machine!");
#endif
if (check_kernel_version())
error("Your kernel version is to old: required >= %u.%u", KERNEL_VERSION_MAJ, KERNEL_VERSION_MIN);