diff options
| author | Eric Andersen <andersen@codepoet.org> | 2003-01-03 19:55:47 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2003-01-03 19:55:47 +0000 |
| commit | 854603b2a050d4403a3ee11c1abefa1ebc36eba2 (patch) | |
| tree | 5457a0d3bdf6a7ebc31a4e2f6d3eef90e8d250bb /ldso/libdl | |
| parent | f980a783a335d83330e832ed92c0aa8f1abb93b8 (diff) | |
If they call dlopen with anything other than RTLD_LAZY
or RTLD_NOW then we need to error out.
Diffstat (limited to 'ldso/libdl')
| -rw-r--r-- | ldso/libdl/dlib.c | 11 | ||||
| -rw-r--r-- | ldso/libdl/libdl.c | 11 |
2 files changed, 18 insertions, 4 deletions
diff --git a/ldso/libdl/dlib.c b/ldso/libdl/dlib.c index 0b7f7738a..15749ce21 100644 --- a/ldso/libdl/dlib.c +++ b/ldso/libdl/dlib.c @@ -132,6 +132,12 @@ void *_dlopen(const char *libname, int flag) int (*dl_elf_init) (void); #endif + /* A bit of sanity checking... */ + if (!(flag & RTLD_LAZY|RTLD_NOW)) { + _dl_error_number = LD_BAD_HANDLE; + return NULL; + } + from = __builtin_return_address(0); /* Have the dynamic linker use the regular malloc function now */ @@ -320,14 +326,15 @@ static int do_fixup(struct elf_resolve *tpnt, int flag) return goof; tpnt->init_flag |= JMP_RELOCS_DONE; - if (flag == RTLD_LAZY) + if (flag == RTLD_LAZY) { _dl_parse_lazy_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); - else + } else { goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); + } }; return goof; } diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index 0b7f7738a..15749ce21 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -132,6 +132,12 @@ void *_dlopen(const char *libname, int flag) int (*dl_elf_init) (void); #endif + /* A bit of sanity checking... */ + if (!(flag & RTLD_LAZY|RTLD_NOW)) { + _dl_error_number = LD_BAD_HANDLE; + return NULL; + } + from = __builtin_return_address(0); /* Have the dynamic linker use the regular malloc function now */ @@ -320,14 +326,15 @@ static int do_fixup(struct elf_resolve *tpnt, int flag) return goof; tpnt->init_flag |= JMP_RELOCS_DONE; - if (flag == RTLD_LAZY) + if (flag == RTLD_LAZY) { _dl_parse_lazy_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); - else + } else { goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); + } }; return goof; } |