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* doc/mailfromd.texi: Minor changes.
* mfmod/template.mfl (libname,libh): Mark internal variables as static.
* src/builtin/mfmod.bi (dlcall): Initialize varargs.
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* doc/mailfromd.texi: Document changes.
* src/builtin/mfmod.bi (dlcall): Last symbol in the type string
can be '+' or '*', indicating optional arguments.
* src/prog.c (env_final_gc): Fix memory leak.
* tests/mfmod_echo.c (sum): New function.
* tests/mfmod03.at: New test.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Include new test.
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* elisp/mfl-mode.el (mfl-keywords): Add dclex.
* src/builtin/io.bi (open_program_stream_ioe): Run the command via
$SHELL -c.
* src/prog.c (run_startup): Fix size calculation.
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* Makefile.am [MFMOD_COND] (mfmod): Include conditionally.
* doc/mailfromd.texi: Document new functions and macros.
* mfmod/Makefile.am (pkginclude_HEADERS): Install mfmod.h
* src/mfmod.h: move to mfmod/mfmod.h
(mfmod_data_type_str,mfmod_error)
(mfmod_error_argtype): New protos.
(ASSERT_ARGCOUNT,ASSERT_ARGTYPE): New macros.
* mfmod/template.c: Use new macros. Improve docs.
* src/Makefile.am [MFMOD_COND] (mailfromd_LDFLAGS): Use -export-dynamic
* src/builtin/mfmod.bi (mfmod_data_type_str,mfmod_error)
(mfmod_error_argtype): New functions.
* tests/mfmod_echo.c: Use new macros.
* tests/mfmod02.at: New test.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Likewise.
* mfmod/template.mfl: Use new syntax (prog startup).
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* src/lex.l: Check for eventual errors during numeric conversions.
* src/Makefile.am: Remove reference to unused variable.
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Special handlers are defined using the "prog" keyword, as the
rest of handlers. This fixes, in particular, a name clash between
the 'shutdown' handler and eponymous function.
This commit also restores handling of identifiers after 'require'
and initial 'from' keywords, which was inadvertently lost long ago
(commit bd6d33fe0). Perhaps it wasn't needed so much, but for the
time being let it be.
* NEWS: Document changes.
* doc/mailfromd.texi: Likewise.
* doc/upgrade.texi: Likewise.
* etc/Makefile.am: Fix the lint rule.
* mflib/callout.mf4: Use new syntax for "begin".
* src/gram.y: Support new syntax for special handler definitions/
Remove tokens: T_BEGIN, T_STARTUP, T_SHUTDOWN, T_END.
Correctly report state handler duplications.
* src/lex.l: Swich to XIDENT state after 'prog', 'require' and
initial 'from'.
Remove unneeded tokens.
Use strtol instead of strtoul to parse numeric constants.
* tests/progdup.at: New test.
* tests/progobs.at: New test.
* tests/progord.at: New test.
* tests/Makefile.am: Add new tests.
* tests/testsuite.at: Run new tests.
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* lib/libmf.h (mf_epriv_setup): Remove proto.
(mf_server_startup_hook): New extern.
* lib/server.c (mf_server_startup_hook): New global.
(mf_server_start): Call mf_server_startup_hook after switching
to user privileges and eventually daemonizing.
* lib/userprivs.c (mf_epriv_setup): Remove unused function.
* src/main.c: In daemon mode, make sure run_startup is run as
mf_server_startup_hook.
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* NEWS: Document changes
* doc/mailfromd.texi: Document changes
* elisp/mfl-mode.el: Support for the "startup" and "shutdown" keyword.
* mfmod/template.mfl: Load the library in the startup handler.
* src/builtin/mfmod.bi: Use static variable for keeping modinfo
of the loaded modules. This allows for using dlopen in startup
handlers.
* src/gram.y: Support for startup and shutdown handlers.
(print_syntax_tree): Print special handlers as well.
(state_parms): Update.
(string_to_state,state_to_string): Rewrite.
* src/lex.l (startup): New keyword.
* src/mailfromd.h (smtp_state_startup)
(smtp_state_shutdown): New states.
(smtp_state_first): Redefine. All uses changed.
(smtp_state_last): New state marker. States between
smtp_state_first and smtp_state_last (both inclusive) are
proper SMTP states, as distinguished from "special" states
(startup, shutdown, begin, end).
(struct function) <refstart>: New field. Start of the entry
point reference chain.
(struct progdecl) <tree>: Change type to stmtlist. Keep both
head and tail of the list to facilitate merging special handlers.
* src/main.c (main): Run startup handlers.
* src/prog.c (run_startup): New function.
(print_code): Print special handlers as well.
* src/prog.h (run_startup): New proto.
* src/drivers.c (code_type_call): If func->entry is NULL, the
function has not been compiled yet. Keep a list of entry point
references in func->refstart.
(code_type_funcdecl): Resolve function entrypoint references.
(code_type_progdecl): Don't check for redefinition
here, it is done in the progspecial production now.
* src/engine.c (first_used_state): Initialize to smtp_state_none.
* lib/srvman.c (server_run): Cleanup mailutils onexit list in
child.
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* src/engine.c: Include prog.h (for declaration of adjust_stack)
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* doc/mailfromd.texi: Document $3 in catch handlers.
* src/drivers.c (code_type_try): Mark the locus of the "catch"
statement.
* src/engine.c (xeval): Create a proper frame before evaluating
the starting point.
(mlfi_connect, mlfi_helo, mlfi_envfrom)
(mlfi_envrcpt, mlfi_data, mlfi_header)
(mlfi_eoh, mlfi_body, mlfi_eom): Remove calls to
toe env_make_frame/env_leave_frame. Use adjust_stack
to clean-up the stack space.
* src/gram.y (parmcount_catch): Change returned argument count.
(parmtype_catch): Handle third argument.
(codegen): Remove the finalize parameter. The code
for each handler follows normal layout for functions.
(mailfromd_test,mailfromd_run): Add missing calls to env_init.
Remove calls to env_make_frame/env_leave_frame.
(create_node_arg): Return NULL node on error.
* src/prog.c (stack_trace_entry): Rewrite.
(instr_throw): Don't adjust pc before calling env_throw_0.
(instr_retcatch): Clean up three arguments.
(env_throw_0): Pass original pc (where the exception occurred) as
third argument to handler.
* tests/strace.at: New test.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Likewise.
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This fixes bug introduced in 18ca63bd5a.
* src/gram.y (mailfromd_run): Run smtp_state_begin in its own
frame.
* src/prog.c (env_make_frame): Push pc without incrementing it.
(instr_return): Don't adjust pc after env_leave_frame.
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* NEWS: Document changes.
* doc/mailfromd.texi: Document changes.
* mfmod/Makefile.am: Rename template.mf to template.mfl
* mfmod/mfmodnew.c: Likewise.
* mfmod/mfmod.m4: Define MFMODDIR to the installation directory for
MFL interface module files.
* mfmod/template.ac: Remove AC_CONFIG_COMMANDS
* mfmod/template.am: Use .mfl suffix for the interface module.
* mfmod/template.mf: Rename to mfmod/template.mfl
Change include and module path ordering
* src/pp.c (include_path, module_path): Move version-specific
directory to the last place in the path.
Revise the preprocessor configuration.
* src/lex.l: Use preprocessor.enabled.
* src/mailfromd.h (ext_pp): Remove extern.
(preprocessor): New struct and extern.
(preprocessor_cfg_init,string_preprocessor)
(preprocessor_finalize): New protos.
(alloc_ext_pp): Remove.
* src/main.c (ext_pp): Remove glabal.
(opt_clear_ext_pp): Rename to opt_disable_preprocessor &
rewrite,
(opt_preprocessor): New callback.
(opt_define,opt_undefine): Take into account preprocessor.pass_defines
setting.
(--preprocess option): Argument is optional. The use without argument
is intended to override the preprocessor.enabled setting.
New configuration statements: "module-path" and "preprocessor".
(string_preprocessor): Remove the static qualifier.
* src/pp.c (preprocessor): New global.
(preprocessor_cfg_init): New function.
(alloc_ext_pp): Remove
(preprocessor_finalize): New function.
(stderr_redirector): Run preprocessor via sh -c
Introduce separate module search path
* Makefile.am (distuninstallcheck_listfiles): Ignore mailfromd.mfl
(complements 0fca940acc).
* mflib/Makefile.am (moddir): New directory.
(mod_DATA): Add $(MFL_FILES).
(EXTRA_DIST): Add $(mod_DATA)
(MFL_LINT_0): Use -M option instead of -I.
* src/Makefile.am (AM_CPPFLAGS): Define DEFAULT_MODDIR and
DEFAULT_VERSION_MODDIR instead of DEFAULT_INCLUDE_DIR and
DEFAULT_VERSION_INCLUDE_DIR.
* src/mailfromd.h (pathbuf): New struct.
(PATHBUF_INITIALIZER): New macro.
(pathbuf_add): New proto.
(include_path,module_path): New externs.
(print_include_path,add_include_dir): Remove.
* src/main.c (opt_include_dir): Remove.
(opt_path_add): New function.
(mailfromd_options): New option: --module (-M)
(cb_include_path): Removed.
(cb_pathbuf_add): New function.
(string_values): Change definition of "include path".
Add "module path".
* src/pp.c (pathbuf_add): New function.
(include_path, module_path): New variables.
(try_file): Take pointer to struct pathbuf as third argument.
All uses updated.
(require_module): Look for the module in module search path first.
If not found, try include path and issue a warning.
(add_include_dir,print_include_path): Remove.
* tests/atlocal.in (MFOPTS): Use -M instead of -I.
* tests/testsuite.at (MAILFROMD_OPTIONS): Likewise.
Fix the output of mailfromd --show-defaults
* src/mailfromd.h (print_include_path): New proto.
* src/main.c (string_value): New field: data.s_print, a callback
for printing the data directly to the output stream.
(string_values): New entries: "script file search path" and "include path".
(print_string_values): Use s_print for STRING_FUNCTION type.
(mailfromd_show_defaults): Disable wordwrap stream for mailutils
versions prior to 3.16
* src/pp.c (print_include_path): New function.
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* src/callout.c (smtp_io_data): New fields: last_sent and last_recv
(smtp_io_state_restore): Clear the last_* fields.
(smtp_io_free): Free the new fields.
(smtp_send): Clear the last_* fields.
(smtp_recvline): Coalesce memory region before returning.
Fix starting address and size calculation for the case when the reply
was obtained in several iterations.
(first_line_of): Return allocated copy of the string,
(smtp_last_sent,smtp_last_received): Cache allocated copy.
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* doc/mailfromd.texi: Document the tls configuration section
* src/srvcfg.c (tls_conf.priorities): Change default.
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* src/callout.c (smtp_io_reopen): New function.
(callout_io): Abort current connection if STARTTLS fails. If in
tls_always mode, attempt to restart it afterwards.
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* src/callout.c (callout_io): Pass tls_conf to mu_starttls.
* src/srvcfg.c (tls_conf): New global.
(srv_cfg_param): New configuration statement "tls".
(mf_srvcfg_init): Call mu_tls_cfg_init()
* src/srvcfg.h (tls_conf): New extern.
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* NEWS: Document changes.
* doc/calloutd.texi: Likewise.
* doc/functions.texi: Likewise.
* configure.ac: Check if libmailutils supports GnuTLS.
* mflib/callout.mf4 (callout_setvars): Pass STARTTLS
* src/builtin/callout.bi (callout_starttls): New function.
* src/builtin/debug.bi (callout_transcript): Move to callout.bi.
* src/callout.c (smtp_io_state): Remove the "start" field.
(smtp_io_data): Remove "esmtp_capa". Add "tls" and "capa";
(smtp_io_setup_callout): Take additional argument specifying how
and when to use STARTTLS command.
(smtp_recvline): Append the line to the string being constructed.
Return it and its length in memory locations supplied by the arguments.
All callers updated.
(callout_io): Collect ESMTP capabilities. Support STARTTLS.
* src/callout.h (smtp_starttls_t): New typedef.
(smtp_use_tls): New external variable.
(smtp_str_to_starttls,smtp_starttls_to_str): New functions.
* src/savsrv.c (addq,cmd_set): Support for the STARTTLS variable.
* src/srvcfg.c (smtp_use_tls): New global.
(srv_cfg_param): New statement: smtp-starttls
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* src/callout.c (smtp_io_state): New struct.
(smtp_io_data): Pack send/recv related fields into smtp_io_data.
All uses changed.
(reset): Preserve original state no matter what the reply of RSET.
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In run mode, main was called with the return pc value 0 in the
calling frame. This means that stopping the program relied on
two unsigned wraparounds: first when decrementing the return pc
in instr_return, and second when incrementing it again in the
eval_environment loop. As a side effect, this made runtime_stack_trace
go astray and coredump when used in run mode.
This commit reserves the slot at pc 1 as return point for "main"
in run mode and thus fixes the discrepancy.
NB: Another way to fix it would be to rewrite the loop in
eval_environment. But that doesn't seem to be worth the
candles.
* src/gram.y (parse_program): Remove call to code_immediate -
out of place here.
(compile_tree): Reserve two pc slots: 0 as emergency return point
and 1 as return point for the "main" function.
(mailfromd_run): Call env_make_frame instead of env_make_frame0.
* src/mailfromd.h (env_make_frame0): Remove prototype.
* src/prog.c (env_make_frame0): Remove function.
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* src/drivers.c (print_type_argv): Check if node is not NULL
before attempting to descend into it.
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* mflib/.gitignore: Ignore exceptions.h
* mflib/Makefile.am (status.ex): Removed.
(exceptions.h): Installable target.
* mflib/mfex.awk: Produce a valid include file.
* mflib/status.mf (e_inval): New exception code.
* mfmod/mfmodnew.c: Check if the proposed module name is valid.
* src/builtin/mfmod.bi: Support for mfmod_message dtat type.
(dlcall): The library function is allowed to return arbitrary
mailfromd exception number. retval->string can in this case be
used to supply the descriptive string.
(dlresult_message): New function.
* src/mailfromd.h: Include mflib/exceptions.h
* src/mfmod.h (mfmod_message): New data type.
(mfmod_param): New union field: message
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* src/gram.y (mailfromd_run): Run begin and end sections.
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* src/drivers.c (code_type_builtin): Restore argument count correction
accidentally lost in previous commits.
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* src/drivers.c (code_type_builtin): Adjust stack if node->value_ignored
is set.
(code_type_call): Don't call pushreg if node->value_ignored is set.
* src/gram.y: Set value_ignored to 1 if return value from a function
was ignored.
(alloc_node): Set value_ignored to 0.
* src/mailfromd.h (node): New field: value_ignored.
* tests/ignoreret.at: New test.
* tests/numck.c: New option -c (set comment starter).
* tests/testsuite.at: Include new test.
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The corner case covered by this commit is when the argument list is
passed to a function with at least one mandatory argument, and that
argument is given as a result of another function call.
* src/drivers.c (code_args_shifted): New function.
(code_type_builtin, code_type_call): Use it.
* tests/shiftadj.at: New test.
* tests/Makefile.am: Include new test.
* tests/testsuite.at: Likewise.
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* src/drivers.c (code_type_builtin, code_type_call): node_type_argv
can appear only at the head of the reversed argument list.
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* src/drivers.c (code_type_call): Pass formal parameter count as
inline argument to adjustx.
* src/opcodes (ADJUSTX): Expect one argument.
* src/prog.c (instr_adjustx): Take formal parameter count as
inline argument. Use it if the actual number of arguments is less
than that.
* tests/Makefile.am (TESTSUITE_AT): Add stkadj.at
(noinst_PROGRAMS): Build numck.
* tests/numck.c: New program.
* tests/testsuite.at: Include stkadj.at
* tests/trycatch05.at: Use numck.
* tests/trycatch06.at: Likewise.
* tests/trycatch07.at: Likewise.
* tests/trycatch08.at: Likewise.
* tests/trycatch09.at: Likewise.
* tests/trycatch10.at: Likewise.
* tests/trycatch11.at: Likewise.
* tests/trycatch12.at: Likewise.
* tests/trycatch13.at: Likewise.
* tests/trycatch14.at: Likewise.
* tests/trycatch15.at: Likewise.
* tests/trycatch16.at: Likewise.
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* src/drivers.c (code_type_call): Code adjustx instruction after
variadic function or function with optional arguments.
* src/opcodes (ADJUSTX): New instruction.
* src/prog.c (instr_adjustx): New function.
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* src/builtin/mfmod.bi: MU_WRDSF_DELIM alone can't be used, it
also needs WRDSF_NOCMD|WRDSF_NOVAR (unless command anv variable
handlers are provided).
* src/builtin/geoip2.bi: Likewise.
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* src/builtin/Makefile.am (AM_CPPFLAGS): Define MFMODDIR
* src/builtin/mfmod.bi (mfmod_path): New variable.
(mfmod-path): New configuration statement.
(dlopen): Look up the library in mfmod_path.
* src/mailfromd.h (mfmod_path): New extern.
* src/main.c (string_values): New entry: "mfmod path".
(mailfromd_show_defaults): Don't use wordwrap stream if piping
or redirecting the output.
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* NEWS: Document changes.
* doc/mailfromd.texi: Document changes.
* src/drivers.c (code_type_builtin, code_type_call)
(code_type_argv): Generate code for shifts.
* src/gram.y: new construct: $@(N) - shift N arguments and pass remaining
to the argument list.
* src/mailfromd.h (argv_node): New member: node.
* src/opcodes: Restore DUP.
* src/prog.c (instr_dup): New instruction.
(instr_dupn): Count is signed. Throw a runtime error if it is negative.
* tests/vapass.at: New tests.
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* src/drivers.c (code_type_builtin): Adjust passed number of
parameters.
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* NEWS: Document $@
* doc/mailfromd.texi: Document $@
* src/drivers.c: New data type: argv ($@)
(code_type_call): Take into account eventual $@.
* src/gram.y: Support for $@
* src/lex.l: New token: $@
* src/mailfromd.h (struct argv_node): New data type.
(struct node): Add struct argv_node member.
* src/opcodes (DUP): Remove unused opcode.
(DUPN): New opcode.
* src/prog.c (instr_dup): Remove,
(instr_dupn): New instruction.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Include new test.
* tests/vapass.at: New test.
* tests/atlocal.in: Fix typo.
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* NEWS: Update.
* configure.ac: Check for dlopen.
New option: --enable-mfmod.
* global.def (MAX_MFMODS): New constant.
* src/Makefile.am (mailfromd_LDADD): Add libraries needed for dlopen.
(pkginclude_HEADERS): Add mfmod.h
* src/builtin/.gitignore: Update.
* src/builtin/Makefile.am: Add mfmod.bi
* src/builtin/mfmod.bi: New file.
* src/main.c (mailfromd_show_defaults): Reflect mfmod status.
* src/mfmod.h: New file.
* tests/mfmod01.at: New file.
* tests/mfmod_echo.c: New file.
* tests/testsuite.at: Include new test.
* tests/Makefile.am: Build mfmod_echo.la
Add new test.
* tests/atlocal.in (MFMOD_SUPPORT): New variable.
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* src/builtin/dns.bi (dns_reply_entry_ok): New function. Replace
all uses of dns_reply_entry_unused with calls to dns_reply_entry_ok.
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* src/dkim.c (dkim_result_trans): Add translation for DKIM_EXPL_BAD_KEY_TYPE.
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lock-retry-timeout
Use the "locking" configuration statement instead:
<https://mailutils.org/manual/html_node/locking-statement.html>
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* NEWS: Document changes.
* doc/functions.texi: Document changes.
* mflib/status.mf: Implement new explanation code.
* src/dkim.c: Likewise.
* src/dkim.h: Likewise.
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* NEWS: Document changes.
* doc/mailfromd.texi: Likewise.
* lib/dns.c (dnsbase_finish): Reset state to NULL.
(dnsbase_real_init): Install dnsbase_finish to be called on exit.
(dns_max_cname_chain): New global.
(dns_query): New function.
(all functions: Use dns_query instead of adns_synchronous.
(dnsbase_init): Install the "resolver" canned section.
* lib/libmf.h (dns_max_cname_chain): New extern.
* src/calloutd.c: Add the "resolver" configuration section.
* src/main.c: Likewise.
* tests/resolv.c: New option -c sets dns_max_cname_chain.
* tests/resolv_cnamechain.at: New test.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Add new test.
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* NEWS: Document changes.
* src/builtin/dkim.bi (dkim_sign): New optional argument: algo.
(dkim_signing_algorithm): New global variable.
(dkim_verify): Initialize dkim_signing_algorithm.
* src/dkim.c (dkim_ctx): New struct
(dkim_ctx_init,dkim_ctx_digest)
(dkim_ctx_update,dkim_ctx_sign,dkim_ctx_verify): New static functions
to manage dkim_ctx.
All functions: use dkim_ctx instead of the algorithm-specific context.
(dkim_algo): New function.
(mfd_dkim_verify): Take third argument: return storage for the
algorithm name.
* src/dkim.h (dkim_algorithm): New enum.
(DKIM_ALGO_DEFAULT): New define.
(DKIM_ALGORITHM): Remove.
(dkim_algo_str): New extern.
(dkim_algo): New proto.
(dkim_signature) <algo>: New field.
(mfd_dkim_verify): Change signature.
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* src/builtin/io.bi (io_stream_is_avail): New static function.
(io_find_avail, io_get_open_stream): Use io_stream_is_avail.
(tempfile): Initialize ios->name.
* tests/tempfile.at: New test file.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Include new test.
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* src/prog.h (cleanup_when): New enum.
(env_cleanup_list_append,env_function_cleanup_del)
(env_function_cleanup_flush): Change signature.
* src/prog.c (environ_cleanup_closure) <when>: New field.
(eval_environ) <environ_cleanup_list>: Remove.
(_cleanup_compare): Compare both when and data.
(env_cleanup_list_append): Take additional 'when' argument.
(env_function_cleanup_del): Likewise.
(env_function_cleanup_flush): Rewrite.
(env_throw_0): Call env_function_cleanup_flush with when=CLEANUP_THROW.
* src/builtin/snarf.m4 (MF_DCL_CLEANUP): Takes two to three arguments.
(MF_CLR_CLEANUP): Takes two arguments.
(MF_CLEANUP): Removed.
* src/builtin/io.bi: Major rewrite.
(struct io_stream): fd[2] replaced with fd.
New field strout points to the output stream for program streams.
Revise error handling. Make sure current stream gets properly
cleaned up if an attempt to open it fails with an exception.
(get_output): New MFL function, Returns the descriptor of the
output stream, if there's any, or -1 otherwise.
* src/builtin/burst.bi: Use new versions of CLEANUP macros.
* src/builtin/dspam.bi: Likewise.
* src/builtin/filter.bi: Likewise.
* src/builtin/msg.bi: Likewise.
* src/builtin/sa.bi: Likewise.
* src/builtin/sieve.bi: Likewise.
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* src/builtin/dns.bi (primitive_hasmx)
(primitive_hasns): Free the reply only if it has been actually
allocated.
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