diff options
Diffstat (limited to 'src/libstrongswan/integrity_checker.c')
| -rw-r--r-- | src/libstrongswan/integrity_checker.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/libstrongswan/integrity_checker.c b/src/libstrongswan/integrity_checker.c index 32a296d79..51da4e725 100644 --- a/src/libstrongswan/integrity_checker.c +++ b/src/libstrongswan/integrity_checker.c @@ -35,22 +35,22 @@ typedef struct private_integrity_checker_t private_integrity_checker_t; * Private data of an integrity_checker_t object. */ struct private_integrity_checker_t { - + /** * Public integrity_checker_t interface. */ integrity_checker_t public; - + /** * dlopen handle to checksum library */ void *handle; - + /** * checksum array */ integrity_checksum_t *checksums; - + /** * number of checksums in array */ @@ -68,21 +68,21 @@ static u_int32_t build_file(private_integrity_checker_t *this, char *file, struct stat sb; void *addr; int fd; - + fd = open(file, O_RDONLY); if (fd == -1) { DBG1(" opening '%s' failed: %s", file, strerror(errno)); return 0; } - + if (fstat(fd, &sb) == -1) { DBG1(" getting file size of '%s' failed: %s", file, strerror(errno)); close(fd); return 0; } - + addr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0); if (addr == MAP_FAILED) { @@ -91,13 +91,13 @@ static u_int32_t build_file(private_integrity_checker_t *this, char *file, return 0; } - *len = sb.st_size; + *len = sb.st_size; contents = chunk_create(addr, sb.st_size); checksum = chunk_hash(contents); - + munmap(addr, sb.st_size); close(fd); - + return checksum; } @@ -116,11 +116,11 @@ static int callback(struct dl_phdr_info *dlpi, size_t size, Dl_info *dli) dlpi->dlpi_name && *dlpi->dlpi_name) { int i; - + for (i = 0; i < dlpi->dlpi_phnum; i++) { const ElfW(Phdr) *sgmt = &dlpi->dlpi_phdr[i]; - + /* we are interested in the executable LOAD segment */ if (sgmt->p_type == PT_LOAD && (sgmt->p_flags & PF_X)) { @@ -143,7 +143,7 @@ static u_int32_t build_segment(private_integrity_checker_t *this, void *sym, { chunk_t segment; Dl_info dli; - + if (dladdr(sym, &dli) == 0) { DBG1(" unable to locate symbol: %s", dlerror()); @@ -155,7 +155,7 @@ static u_int32_t build_segment(private_integrity_checker_t *this, void *sym, DBG1(" executable section not found"); return 0; } - + segment = chunk_create(dli.dli_fbase, dli.dli_saddr - dli.dli_fbase); *len = segment.len; return chunk_hash(segment); @@ -168,7 +168,7 @@ static integrity_checksum_t *find_checksum(private_integrity_checker_t *this, char *name) { int i; - + for (i = 0; i < this->checksum_count; i++) { if (streq(this->checksums[i].name, name)) @@ -188,7 +188,7 @@ static bool check_file(private_integrity_checker_t *this, integrity_checksum_t *cs; u_int32_t sum; size_t len = 0; - + cs = find_checksum(this, name); if (!cs) { @@ -225,7 +225,7 @@ static bool check_segment(private_integrity_checker_t *this, integrity_checksum_t *cs; u_int32_t sum; size_t len = 0; - + cs = find_checksum(this, name); if (!cs) { @@ -259,7 +259,7 @@ static bool check_segment(private_integrity_checker_t *this, static bool check(private_integrity_checker_t *this, char *name, void *sym) { Dl_info dli; - + if (dladdr(sym, &dli) == 0) { DBG1("unable to locate symbol: %s", dlerror()); @@ -294,14 +294,14 @@ static void destroy(private_integrity_checker_t *this) integrity_checker_t *integrity_checker_create(char *checksum_library) { private_integrity_checker_t *this = malloc_thing(private_integrity_checker_t); - + this->public.check_file = (bool(*)(integrity_checker_t*, char *name, char *file))check_file; this->public.build_file = (u_int32_t(*)(integrity_checker_t*, char *file, size_t *len))build_file; this->public.check_segment = (bool(*)(integrity_checker_t*, char *name, void *sym))check_segment; this->public.build_segment = (u_int32_t(*)(integrity_checker_t*, void *sym, size_t *len))build_segment; this->public.check = (bool(*)(integrity_checker_t*, char *name, void *sym))check; this->public.destroy = (void(*)(integrity_checker_t*))destroy; - + this->checksum_count = 0; this->handle = NULL; if (checksum_library) @@ -310,7 +310,7 @@ integrity_checker_t *integrity_checker_create(char *checksum_library) if (this->handle) { int *checksum_count; - + this->checksums = dlsym(this->handle, "checksums"); checksum_count = dlsym(this->handle, "checksum_count"); if (this->checksums && checksum_count) |