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| author | Jeremy Allison <jra@samba.org> | 2000-05-17 03:12:56 +0000 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2000-05-17 03:12:56 +0000 |
| commit | c560164030c0b842ee06f651a2b019c5596624a2 (patch) | |
| tree | 1b4c424793c633e2ee8a8f784d54435886cf20fa /source3/rpc_parse/parse_prs.c | |
| parent | 2b15e8a33efeb14d2132a32396537d144d2f0a2c (diff) | |
| download | samba-c560164030c0b842ee06f651a2b019c5596624a2.tar.gz samba-c560164030c0b842ee06f651a2b019c5596624a2.tar.bz2 samba-c560164030c0b842ee06f651a2b019c5596624a2.zip | |
Fixed bug where mallocd size of prs_struct could be larger than
incoming packet. Ensure new alloced memory is zeroed before use.
Jeremy.
(This used to be commit 1c3193aa1c1137734dc34ef2e6d62abb0609c30e)
Diffstat (limited to 'source3/rpc_parse/parse_prs.c')
| -rw-r--r-- | source3/rpc_parse/parse_prs.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/source3/rpc_parse/parse_prs.c b/source3/rpc_parse/parse_prs.c index fff1bc27b1..4260b1c8d5 100644 --- a/source3/rpc_parse/parse_prs.c +++ b/source3/rpc_parse/parse_prs.c @@ -209,6 +209,8 @@ BOOL prs_grow(prs_struct *ps, uint32 extra_space) (unsigned int)new_size)); return False; } + + memset(&new_data[ps->buffer_size], '\0', new_size - ps->buffer_size); } ps->buffer_size = new_size; ps->data_p = new_data; @@ -239,6 +241,8 @@ BOOL prs_force_grow(prs_struct *ps, uint32 extra_space) return False; } + memset(&new_data[ps->buffer_size], '\0', new_size - ps->buffer_size); + ps->buffer_size = new_size; ps->data_p = new_data; @@ -296,7 +300,7 @@ BOOL prs_set_offset(prs_struct *ps, uint32 offset) BOOL prs_append_prs_data(prs_struct *dst, prs_struct *src) { - if(!prs_grow(dst, prs_offset(src))) + if(!prs_force_grow(dst, prs_offset(src))) return False; memcpy(&dst->data_p[dst->data_offset], prs_data_p(src), (size_t)prs_offset(src)); @@ -311,7 +315,7 @@ BOOL prs_append_prs_data(prs_struct *dst, prs_struct *src) BOOL prs_append_some_prs_data(prs_struct *dst, prs_struct *src, int32 start, uint32 len) { - if(!prs_grow(dst, len)) + if(!prs_force_grow(dst, len)) return False; memcpy(&dst->data_p[dst->data_offset], prs_data_p(src)+start, (size_t)len); @@ -326,7 +330,7 @@ BOOL prs_append_some_prs_data(prs_struct *dst, prs_struct *src, int32 start, uin BOOL prs_append_data(prs_struct *dst, char *src, uint32 len) { - if(!prs_grow(dst, len)) + if(!prs_force_grow(dst, len)) return False; memcpy(&dst->data_p[dst->data_offset], src, (size_t)len); |