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/*******************************************************************/
/* slibtool: a strong libtool implementation, written in C */
/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <sys/stat.h>
#include <slibtool/slibtool.h>
#include <slibtool/slibtool_output.h>
#include "slibtool_driver_impl.h"
#include "slibtool_stoolie_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_realpath_impl.h"
#include "slibtool_snprintf_impl.h"
#include "slibtool_symlink_impl.h"
#include "argv/argv.h"
static const char slbt_this_dir[2] = {'.',0};
static int slbt_stoolie_usage(
int fdout,
const char * program,
const char * arg,
const struct argv_option ** optv,
struct argv_meta * meta,
struct slbt_exec_ctx * ectx,
int noclr)
{
char header[512];
bool stooliemode;
stooliemode = !strcmp(program,"slibtoolize");
snprintf(header,sizeof(header),
"Usage: %s%s [options] ...\n"
"Options:\n",
program,
stooliemode ? "" : " --mode=slibtoolize");
switch (noclr) {
case 0:
slbt_argv_usage(fdout,header,optv,arg);
break;
default:
slbt_argv_usage_plain(fdout,header,optv,arg);
break;
}
if (ectx)
slbt_ectx_free_exec_ctx(ectx);
slbt_argv_free(meta);
return SLBT_USAGE;
}
static int slbt_exec_stoolie_fail(
struct slbt_exec_ctx * ectx,
struct argv_meta * meta,
int ret)
{
slbt_argv_free(meta);
slbt_ectx_free_exec_ctx(ectx);
return ret;
}
static int slbt_exec_stoolie_remove_file(
const struct slbt_driver_ctx * dctx,
int fddst,
const char * target)
{
/* remove target (if any) */
if (!unlinkat(fddst,target,0) || (errno == ENOENT))
return 0;
return SLBT_SYSTEM_ERROR(dctx,0);
}
static int slbt_exec_stoolie_perform_actions(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx,
struct slbt_stoolie_ctx * stctx)
{
struct slbt_stoolie_ctx_impl * ictx;
struct stat st;
char m4dir [PATH_MAX];
char auxdir[PATH_MAX];
char slibm4[PATH_MAX];
char ltmain[PATH_MAX];
bool fslibm4;
bool fltmain;
ictx = slbt_get_stoolie_ictx(stctx);
/* source files */
if (slbt_snprintf(
slibm4,sizeof(slibm4),"%s/%s",
SLBT_PACKAGE_DATADIR,
"slibtool.m4") < 0)
return SLBT_BUFFER_ERROR(dctx);
if (slbt_snprintf(
ltmain,sizeof(slibm4),"%s/%s",
SLBT_PACKAGE_DATADIR,
"ltmain.sh") < 0)
return SLBT_BUFFER_ERROR(dctx);
/* --force? */
if (dctx->cctx->drvflags & SLBT_DRIVER_STOOLIE_FORCE) {
if (ictx->fdm4 >= 0)
if (slbt_exec_stoolie_remove_file(dctx,ictx->fdm4,"slibtool.m4") < 0)
return SLBT_NESTED_ERROR(dctx);
if (slbt_exec_stoolie_remove_file(dctx,ictx->fdaux,"ltmain.sh") < 0)
return SLBT_NESTED_ERROR(dctx);
fslibm4 = (ictx->fdm4 >= 0);
fltmain = true;
} else {
if (ictx->fdm4 < 0) {
fslibm4 = false;
} else if (fstatat(ictx->fdm4,"slibtool.m4",&st,AT_SYMLINK_NOFOLLOW) == 0) {
fslibm4 = false;
} else if (errno == ENOENT) {
fslibm4 = true;
} else {
return SLBT_SYSTEM_ERROR(dctx,"slibtool.m4");
}
if (fstatat(ictx->fdaux,"ltmain.sh",&st,AT_SYMLINK_NOFOLLOW) == 0) {
fltmain = false;
} else if (errno == ENOENT) {
fltmain = true;
} else {
return SLBT_SYSTEM_ERROR(dctx,"ltmain.sh");
}
}
/* --copy? */
if (dctx->cctx->drvflags & SLBT_DRIVER_STOOLIE_COPY) {
if (fslibm4) {
if (slbt_realpath(ictx->fdm4,".",0,m4dir,sizeof(m4dir)) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
if (slbt_util_copy_file(ectx,slibm4,m4dir) < 0)
return SLBT_NESTED_ERROR(dctx);
}
if (fltmain) {
if (slbt_realpath(ictx->fdaux,".",0,auxdir,sizeof(auxdir)) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
if (slbt_util_copy_file(ectx,ltmain,auxdir) < 0)
return SLBT_NESTED_ERROR(dctx);
}
} else {
/* default to symlinks */
if (fslibm4)
if (slbt_create_symlink_ex(
dctx,ectx,
ictx->fdm4,
slibm4,
"slibtool.m4",
SLBT_SYMLINK_LITERAL) < 0)
return SLBT_NESTED_ERROR(dctx);
if (fltmain)
if (slbt_create_symlink_ex(
dctx,ectx,
ictx->fdaux,
ltmain,
"ltmain.sh",
SLBT_SYMLINK_LITERAL) < 0)
return SLBT_NESTED_ERROR(dctx);
}
return 0;
}
int slbt_exec_stoolie(const struct slbt_driver_ctx * dctx)
{
int ret;
int fdout;
int fderr;
char ** argv;
char ** iargv;
struct slbt_exec_ctx * ectx;
struct slbt_driver_ctx_impl * ictx;
const struct slbt_common_ctx * cctx;
struct argv_meta * meta;
struct argv_entry * entry;
size_t nunits;
size_t cunits;
const char ** unitv;
const char ** unitp;
struct slbt_stoolie_ctx ** stctxv;
struct slbt_stoolie_ctx ** stctxp;
const struct argv_option * optv[SLBT_OPTV_ELEMENTS];
/* context */
if (slbt_ectx_get_exec_ctx(dctx,&ectx) < 0)
return SLBT_NESTED_ERROR(dctx);
/* initial state, slibtoolize (stoolie) mode skin */
slbt_ectx_reset_arguments(ectx);
slbt_disable_placeholders(ectx);
ictx = slbt_get_driver_ictx(dctx);
cctx = dctx->cctx;
iargv = ectx->cargv;
fdout = slbt_driver_fdout(dctx);
fderr = slbt_driver_fderr(dctx);
(void)fderr;
/* <stoolie> argv meta */
slbt_optv_init(slbt_stoolie_options,optv);
if (!(meta = slbt_argv_get(
iargv,optv,
dctx->cctx->drvflags & SLBT_DRIVER_VERBOSITY_ERRORS
? ARGV_VERBOSITY_ERRORS
: ARGV_VERBOSITY_NONE,
fdout)))
return slbt_exec_stoolie_fail(
ectx,meta,
SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_AR_FAIL));
/* dest, alternate argument vector options */
argv = ectx->altv;
*argv++ = iargv[0];
nunits = 0;
for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
if (entry->fopt) {
switch (entry->tag) {
case TAG_STLE_HELP:
slbt_stoolie_usage(
fdout,
dctx->program,
0,optv,0,ectx,
dctx->cctx->drvflags
& SLBT_DRIVER_ANNOTATE_NEVER);
ictx->cctx.drvflags |= SLBT_DRIVER_VERSION;
ictx->cctx.drvflags ^= SLBT_DRIVER_VERSION;
slbt_argv_free(meta);
return SLBT_OK;
case TAG_STLE_VERSION:
ictx->cctx.drvflags |= SLBT_DRIVER_VERSION;
break;
case TAG_STLE_COPY:
ictx->cctx.drvflags |= SLBT_DRIVER_STOOLIE_COPY;
break;
case TAG_STLE_FORCE:
ictx->cctx.drvflags |= SLBT_DRIVER_STOOLIE_FORCE;
break;
case TAG_STLE_INSTALL:
ictx->cctx.drvflags |= SLBT_DRIVER_STOOLIE_INSTALL;
break;
case TAG_STLE_DEBUG:
ictx->cctx.drvflags |= SLBT_DRIVER_DEBUG;
break;
case TAG_STLE_DRY_RUN:
ictx->cctx.drvflags |= SLBT_DRIVER_DRY_RUN;
break;
case TAG_STLE_SILENT:
ictx->cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_VERBOSE;
ictx->cctx.drvflags |= SLBT_DRIVER_SILENT;
break;
case TAG_STLE_VERBOSE:
ictx->cctx.drvflags &= ~(uint64_t)SLBT_DRIVER_SILENT;
ictx->cctx.drvflags |= SLBT_DRIVER_VERBOSE;
break;
}
if (entry->fval) {
*argv++ = (char *)entry->arg;
}
} else {
nunits++;
};
}
/* defer --version printing to slbt_main() as needed */
if (cctx->drvflags & SLBT_DRIVER_VERSION) {
slbt_argv_free(meta);
slbt_ectx_free_exec_ctx(ectx);
return SLBT_OK;
}
/* default to this-dir as needed */
if (!(cunits = nunits))
nunits++;
/* slibtoolize target directory vector allocation */
if (!(stctxv = calloc(nunits+1,sizeof(struct slbt_stoolie_ctx *))))
return slbt_exec_stoolie_fail(
ectx,meta,
SLBT_SYSTEM_ERROR(dctx,0));
/* unit vector allocation */
if (!(unitv = calloc(nunits+1,sizeof(const char *)))) {
free (stctxv);
return slbt_exec_stoolie_fail(
ectx,meta,
SLBT_SYSTEM_ERROR(dctx,0));
}
/* unit vector initialization */
for (entry=meta->entries,unitp=unitv; entry->fopt || entry->arg; entry++)
if (!entry->fopt)
*unitp++ = entry->arg;
if (!cunits)
unitp[0] = slbt_this_dir;
/* slibtoolize target directory vector initialization */
for (unitp=unitv,stctxp=stctxv; *unitp; unitp++,stctxp++) {
if (slbt_st_get_stoolie_ctx(dctx,*unitp,stctxp) < 0) {
for (stctxp=stctxv; *stctxp; stctxp++)
slbt_st_free_stoolie_ctx(*stctxp);
free(unitv);
free(stctxv);
return slbt_exec_stoolie_fail(
ectx,meta,
SLBT_NESTED_ERROR(dctx));
}
}
/* slibtoolize operations */
for (ret=0,stctxp=stctxv; !ret && *stctxp; stctxp++)
ret = slbt_exec_stoolie_perform_actions(dctx,ectx,*stctxp);
/* all done */
for (stctxp=stctxv; *stctxp; stctxp++)
slbt_st_free_stoolie_ctx(*stctxp);
free(unitv);
free(stctxv);
slbt_argv_free(meta);
slbt_ectx_free_exec_ctx(ectx);
return ret;
}
int slbt_exec_slibtoolize(const struct slbt_driver_ctx * dctx)
{
return slbt_exec_stoolie(dctx);
}
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