struct sieve_extprograms_config *sieve_extprograms_config_init
(const struct sieve_extension *ext)
{
struct sieve_instance *svinst = ext->svinst;
struct sieve_extprograms_config *ext_config;
const char *extname = sieve_extension_name(ext);
const char *bin_dir, *socket_dir, *input_eol;
sieve_number_t execute_timeout;
extname = strrchr(extname, '.');
i_assert(extname != NULL);
extname++;
bin_dir = sieve_setting_get
(svinst, t_strdup_printf("sieve_%s_bin_dir", extname));
socket_dir = sieve_setting_get
(svinst, t_strdup_printf("sieve_%s_socket_dir", extname));
input_eol = sieve_setting_get
(svinst, t_strdup_printf("sieve_%s_input_eol", extname));
ext_config = i_new(struct sieve_extprograms_config, 1);
ext_config->execute_timeout =
SIEVE_EXTPROGRAMS_DEFAULT_EXEC_TIMEOUT_SECS;
if ( bin_dir == NULL && socket_dir == NULL ) {
if ( svinst->debug ) {
sieve_sys_debug(svinst, "%s extension: "
"no bin or socket directory specified; extension is unconfigured "
"(both sieve_%s_bin_dir and sieve_%s_socket_dir are not set)",
sieve_extension_name(ext), extname, extname);
}
} else {
ext_config->bin_dir = i_strdup(bin_dir);
ext_config->socket_dir = i_strdup(socket_dir);
if (sieve_setting_get_duration_value
(svinst, t_strdup_printf("sieve_%s_exec_timeout", extname),
&execute_timeout)) {
ext_config->execute_timeout = execute_timeout;
}
ext_config->default_input_eol = SIEVE_EXTPROGRAMS_EOL_CRLF;
if (input_eol != NULL && strcasecmp(input_eol, "lf") == 0)
ext_config->default_input_eol = SIEVE_EXTPROGRAMS_EOL_LF;
}
if ( sieve_extension_is(ext, vnd_pipe_extension) )
ext_config->copy_ext = sieve_ext_copy_get_extension(ext->svinst);
if ( sieve_extension_is(ext, vnd_execute_extension) )
ext_config->var_ext = sieve_ext_variables_get_extension(ext->svinst);
return ext_config;
}
static int _read_extensions(struct sieve_binary_block *sblock)
{
struct sieve_binary *sbin = sblock->sbin;
sieve_size_t offset = 0;
unsigned int i, count;
bool result = 1;
if ( !sieve_binary_read_unsigned(sblock, &offset, &count) )
return -1;
for ( i = 0; result > 0 && i < count; i++ ) {
T_BEGIN {
string_t *extension;
const struct sieve_extension *ext;
unsigned int version;
if ( sieve_binary_read_string(sblock, &offset, &extension) ) {
ext = sieve_extension_get_by_name(sbin->svinst, str_c(extension));
if ( ext == NULL ) {
sieve_sys_error(sbin->svinst,
"binary open: binary %s requires unknown extension `%s'",
sbin->path, str_sanitize(str_c(extension), 128));
result = 0;
} else {
struct sieve_binary_extension_reg *ereg = NULL;
(void) sieve_binary_extension_register(sbin, ext, &ereg);
if ( !sieve_binary_read_unsigned(sblock, &offset, &version) ||
!sieve_binary_read_unsigned(sblock, &offset, &ereg->block_id) ) {
result = -1;
} else if ( !sieve_extension_version_is(ext, version) ) {
sieve_sys_debug(sbin->svinst,
"binary open: binary %s was compiled with different version "
"of the `%s' extension (compiled v%d, expected v%d;"
"automatically fixed when re-compiled)", sbin->path,
sieve_extension_name(ext), version, sieve_extension_version(ext));
result = 0;
}
}
} else
result = -1;
} T_END;
}
return result;
}
static bool _sieve_binary_save
(struct sieve_binary *sbin, struct ostream *stream)
{
struct sieve_binary_header header;
struct sieve_binary_extension_reg *const *regs;
struct sieve_binary_block *ext_block;
unsigned int ext_count, blk_count, i;
uoff_t block_index;
blk_count = sieve_binary_block_count(sbin);
/* Signal all extensions to finish generating their blocks */
regs = array_get(&sbin->extensions, &ext_count);
for ( i = 0; i < ext_count; i++ ) {
const struct sieve_binary_extension *binext = regs[i]->binext;
if ( binext != NULL && binext->binary_save != NULL )
binext->binary_save(regs[i]->extension, sbin, regs[i]->context);
}
/* Create header */
header.magic = SIEVE_BINARY_MAGIC;
header.version_major = SIEVE_BINARY_VERSION_MAJOR;
header.version_minor = SIEVE_BINARY_VERSION_MINOR;
header.blocks = blk_count;
if ( !_save_aligned(sbin, stream, &header, sizeof(header), NULL) ) {
sieve_sys_error(sbin->svinst, "binary save: failed to save header");
return FALSE;
}
/* Skip block index for now */
if ( !_save_skip_aligned(sbin, stream,
sizeof(struct sieve_binary_block_index) * blk_count, &block_index) )
return FALSE;
/* Create block containing all used extensions */
ext_block = sieve_binary_block_get(sbin, SBIN_SYSBLOCK_EXTENSIONS);
i_assert( ext_block != NULL );
sieve_binary_block_clear(ext_block);
ext_count = array_count(&sbin->linked_extensions);
sieve_binary_emit_unsigned(ext_block, ext_count);
for ( i = 0; i < ext_count; i++ ) {
struct sieve_binary_extension_reg * const *ext
= array_idx(&sbin->linked_extensions, i);
sieve_binary_emit_cstring
(ext_block, sieve_extension_name((*ext)->extension));
sieve_binary_emit_unsigned
(ext_block, sieve_extension_version((*ext)->extension));
sieve_binary_emit_unsigned(ext_block, (*ext)->block_id);
}
/* Save all blocks into the binary */
for ( i = 0; i < blk_count; i++ ) {
if ( !_save_block(sbin, stream, i) )
return FALSE;
}
/* Create the block index */
o_stream_seek(stream, block_index);
for ( i = 0; i < blk_count; i++ ) {
if ( !_save_block_index_record(sbin, stream, i) )
return FALSE;
}
return TRUE;
}
