static int pso_copy(const char *src, const char *dst, const char *pdir, mode_t mode)
{
-#define PSO_COPY_READ_SIZE 16
+#define PSO_COPY_READ_SIZE 9
int srcfd = -1;
int dstfd = -1;
int rc = -1;
ssize_t bread, bwritten;
struct stat sb;
char buf[PSO_COPY_READ_SIZE + 1];
- size_t pso_copy_read_size = PSO_COPY_READ_SIZE;
int cmp;
size_t to_read;
bool found_slash;
to_read = 1;
if (!found_slash && buf[0] == '/') {
found_slash = true;
- to_read = pso_copy_read_size;
+ to_read = PSO_COPY_READ_SIZE;
}
if (found_slash && bread == PSO_COPY_READ_SIZE) {
- cmp = memcmp(buf, "usr/etc/pam.d/%s", 16);
+ cmp = memcmp(buf, "etc/pam.d", 9);
if (cmp == 0) {
- char tmp[16] = {0};
-
- snprintf(tmp, sizeof(tmp), "%s/%%s", pdir + 1);
-
- memcpy(buf, tmp, 12);
- memset(&buf[12], '\0', 4);
-
- /*
- * If we found this string, we need to reduce
- * the read size to not miss, the next one.
- */
- pso_copy_read_size = 13;
- } else {
- cmp = memcmp(buf, "usr/etc/pam.d", 13);
- if (cmp == 0) {
- memcpy(buf, pdir + 1, 9);
- memset(&buf[9], '\0', 4);
- } else {
- cmp = memcmp(buf, "etc/pam.d", 9);
- if (cmp == 0) {
- memcpy(buf, pdir + 1, 9);
- }
- }
+ memcpy(buf, pdir + 1, 9);
}
found_slash = false;
}