diff options
| -rw-r--r-- | pseudo_util.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pseudo_util.c b/pseudo_util.c index b6980c2..b9de81e 100644 --- a/pseudo_util.c +++ b/pseudo_util.c @@ -29,6 +29,11 @@ #include "pseudo_ipc.h" #include "pseudo_db.h" +/* O_PATH is defined in glibc 2.16 and later only */ +#ifndef O_PATH +#define O_PATH 010000000 +#endif + struct pseudo_variables { char *key; size_t key_len; @@ -678,6 +683,18 @@ pseudo_append_element(char *newpath, char *root, size_t allocated, char **pcurre */ if (!leave_this && is_dir) { int is_link = S_ISLNK(buf->st_mode); + + /* do not expand symlinks in the proc filesystem, since they may not be real + * check if newpath starts with "/proc/" + * strlen of "/proc/" = 6 + */ + if (is_link && (strncmp("/proc/", newpath, 6) == 0)) { + pseudo_debug(PDBGF_PATH | PDBGF_VERBOSE, + "pae: '%s' is procfs symlink, not expanding\n", + newpath); + is_link = 0; + } + if (link_recursion >= PSEUDO_MAX_LINK_RECURSION && is_link) { pseudo_diag("link recursion too deep, not expanding path '%s'.\n", newpath); is_link = 0; |