diff options
Diffstat (limited to 'openssl/crypto/dso/dso_dl.c')
| -rw-r--r-- | openssl/crypto/dso/dso_dl.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/openssl/crypto/dso/dso_dl.c b/openssl/crypto/dso/dso_dl.c index 417abb6ea..fc4236bd9 100644 --- a/openssl/crypto/dso/dso_dl.c +++ b/openssl/crypto/dso/dso_dl.c @@ -85,6 +85,8 @@ static int dl_ctrl(DSO *dso, int cmd, long larg, void *parg); #endif static char *dl_name_converter(DSO *dso, const char *filename); static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2); +static int dl_pathbyaddr(void *addr,char *path,int sz); +static void *dl_globallookup(const char *name); static DSO_METHOD dso_meth_dl = { "OpenSSL 'dl' shared library method", @@ -101,7 +103,9 @@ static DSO_METHOD dso_meth_dl = { dl_name_converter, dl_merger, NULL, /* init */ - NULL /* finish */ + NULL, /* finish */ + dl_pathbyaddr, + dl_globallookup }; DSO_METHOD *DSO_METHOD_dl(void) @@ -350,4 +354,40 @@ static char *dl_name_converter(DSO *dso, const char *filename) return(translated); } +static int dl_pathbyaddr(void *addr,char *path,int sz) + { + struct shl_descriptor inf; + int i,len; + + if (addr == NULL) + { + union { int(*f)(void*,char*,int); void *p; } t = + { dl_pathbyaddr }; + addr = t.p; + } + + for (i=-1;shl_get_r(i,&inf)==0;i++) + { + if (((size_t)addr >= inf.tstart && (size_t)addr < inf.tend) || + ((size_t)addr >= inf.dstart && (size_t)addr < inf.dend)) + { + len = (int)strlen(inf.filename); + if (sz <= 0) return len+1; + if (len >= sz) len=sz-1; + memcpy(path,inf.filename,len); + path[len++] = 0; + return len; + } + } + + return -1; + } + +static void *dl_globallookup(const char *name) + { + void *ret; + shl_t h = NULL; + + return shl_findsym(&h,name,TYPE_UNDEFINED,&ret) ? NULL : ret; + } #endif /* DSO_DL */ |