diff options
Diffstat (limited to 'cipher/dynload.c')
| -rw-r--r-- | cipher/dynload.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/cipher/dynload.c b/cipher/dynload.c index 71f0d1959..767372a7e 100644 --- a/cipher/dynload.c +++ b/cipher/dynload.c @@ -22,7 +22,9 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <dlfcn.h> +#ifdef HAVE_DL_DLOPEN + #include <dlfcn.h> +#endif #include "util.h" #include "cipher.h" #include "dynload.h" @@ -86,6 +88,7 @@ register_cipher_extension( const char *fname ) static int load_extension( EXTLIST el ) { + #ifdef USE_DYNAMIC_LINKING char **name; void *sym; const char *err; @@ -143,11 +146,68 @@ load_extension( EXTLIST el ) el->handle = NULL; } el->failed = 1; + #endif /*USE_DYNAMIC_LINKING*/ return -1; } +int +enum_gnupgext_digests( void **enum_context, + int *algo, + const char *(**r_get_info)( int, size_t*,byte**, int*, int*, + void (**)(void*), + void (**)(void*,byte*,size_t), + void (**)(void*),byte *(**)(void*)) ) +{ + EXTLIST r; + ENUMCONTEXT *ctx; + + if( !*enum_context ) { /* init context */ + ctx = m_alloc_clear( sizeof( *ctx ) ); + ctx->r = extensions; + *enum_context = ctx; + } + else if( !algo ) { /* release the context */ + m_free(*enum_context); + *enum_context = NULL; + return 0; + } + else + ctx = *enum_context; + + for( r = ctx->r; r; r = r->next ) { + int class, vers; + + if( r->failed ) + continue; + if( !r->handle && load_extension(r) ) + continue; + /* get a digest info function */ + if( ctx->sym ) + goto inner_loop; + while( (ctx->sym = (*r->enumfunc)(10, &ctx->seq1, &class, &vers)) ) { + void *sym; + /* must check class because enumfunc may be wrong coded */ + if( vers != 1 || class != 10 ) + continue; + inner_loop: + *r_get_info = ctx->sym; + while( (sym = (*r->enumfunc)(11, &ctx->seq2, &class, &vers)) ) { + if( vers != 1 || class != 11 ) + continue; + *algo = *(int*)sym; + ctx->r = r; + return 1; + } + ctx->seq2 = 0; + } + ctx->seq1 = 0; + } + ctx->r = r; + return 0; +} + const char * enum_gnupgext_ciphers( void **enum_context, int *algo, size_t *keylen, size_t *blocksize, size_t *contextsize, |