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-rw-r--r--dso/aix/dso.c714
-rw-r--r--dso/beos/dso.c98
-rw-r--r--dso/netware/dso.c137
-rw-r--r--dso/os2/dso.c132
-rw-r--r--dso/os390/dso.c109
-rw-r--r--dso/unix/dso.c251
-rw-r--r--dso/win32/dso.c167
7 files changed, 1608 insertions, 0 deletions
diff --git a/dso/aix/dso.c b/dso/aix/dso.c
new file mode 100644
index 0000000..25f6262
--- /dev/null
+++ b/dso/aix/dso.c
@@ -0,0 +1,714 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * dso.c -- DSO system function emulation for AIX
+ *
+ * This is *only* intended for AIX < 4.3.
+ */
+
+/*
+ * Based on libdl (dlfcn.c/dlfcn.h) which is
+ * Copyright (c) 1992,1993,1995,1996,1997,1988
+ * Jens-Uwe Mager, Helios Software GmbH, Hannover, Germany.
+ *
+ * Not derived from licensed software.
+ *
+ * Permission is granted to freely use, copy, modify, and redistribute
+ * this software, provided that the author is not construed to be liable
+ * for any results of using the software, alterations are clearly marked
+ * as such, and this notice is not modified.
+ *
+ * Changes marked with `--jwe' were made on April 7 1996 by
+ * John W. Eaton <jwe@bevo.che.wisc.edu> to support g++
+ *
+ * Bundled, stripped and adjusted on April 1998 as one single source file
+ * for inclusion into the Apache HTTP server by
+ * Ralf S. Engelschall <rse@apache.org>
+ *
+ * Added to APR by David Reid April 2000
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/ldr.h>
+#include <a.out.h>
+#include "apr_arch_dso.h"
+#include "apr_portable.h"
+
+#if APR_HAS_DSO
+
+#undef FREAD
+#undef FWRITE
+#include <ldfcn.h>
+
+/*
+ * AIX 4.3 does remove some useful definitions from ldfcn.h. Define
+ * these here to compensate for that lossage.
+ */
+#ifndef BEGINNING
+#define BEGINNING SEEK_SET
+#endif
+#ifndef FSEEK
+#define FSEEK(ldptr,o,p) fseek(IOPTR(ldptr),(p==BEGINNING)?(OFFSET(ldptr) +o):o,p)
+#endif
+#ifndef FREAD
+#define FREAD(p,s,n,ldptr) fread(p,s,n,IOPTR(ldptr))
+#endif
+
+/*
+ * Mode flags for the dlopen routine.
+ */
+#undef RTLD_LAZY
+#define RTLD_LAZY 1 /* lazy function call binding */
+#undef RTLD_NOW
+#define RTLD_NOW 2 /* immediate function call binding */
+#undef RTLD_GLOBAL
+#define RTLD_GLOBAL 0x100 /* allow symbols to be global */
+
+/*
+ * To be able to initialize, a library may provide a dl_info structure
+ * that contains functions to be called to initialize and terminate.
+ */
+struct dl_info {
+ void (*init) (void);
+ void (*fini) (void);
+};
+
+/* APR functions...
+ *
+ * As the AIX functions have been declared in the header file we just
+ * add the basic "wrappers" here.
+ */
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->pool = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+
+ if (dso->handle != NULL && dlclose(dso->handle) != 0)
+ return APR_EINIT;
+ dso->handle = NULL;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *ctx)
+{
+ void *os_handle = dlopen((char *)path, RTLD_NOW | RTLD_GLOBAL);
+
+ *res_handle = apr_pcalloc(ctx, sizeof(*res_handle));
+
+ if(os_handle == NULL) {
+ (*res_handle)->errormsg = dlerror();
+ return APR_EDSOOPEN;
+ }
+
+ (*res_handle)->handle = (void*)os_handle;
+ (*res_handle)->pool = ctx;
+ (*res_handle)->errormsg = NULL;
+
+ apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ apr_dso_handle_t *handle,
+ const char *symname)
+{
+ void *retval = dlsym(handle->handle, symname);
+
+ if (retval == NULL) {
+ handle->errormsg = dlerror();
+ return APR_ESYMNOTFOUND;
+ }
+
+ *ressym = retval;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, apr_size_t buflen)
+{
+ if (dso->errormsg) {
+ apr_cpystrn(buffer, dso->errormsg, buflen);
+ return dso->errormsg;
+ }
+ return "No Error";
+}
+
+
+
+/*
+ * We simulate dlopen() et al. through a call to load. Because AIX has
+ * no call to find an exported symbol we read the loader section of the
+ * loaded module and build a list of exported symbols and their virtual
+ * address.
+ */
+
+typedef struct {
+ char *name; /* the symbols's name */
+ void *addr; /* its relocated virtual address */
+} Export, *ExportPtr;
+
+/*
+ * xlC uses the following structure to list its constructors and
+ * destructors. This is gleaned from the output of munch.
+ */
+typedef struct {
+ void (*init) (void); /* call static constructors */
+ void (*term) (void); /* call static destructors */
+} Cdtor, *CdtorPtr;
+
+typedef void (*GccCDtorPtr) (void);
+
+/*
+ * The void * handle returned from dlopen is actually a ModulePtr.
+ */
+typedef struct Module {
+ struct Module *next;
+ char *name; /* module name for refcounting */
+ int refCnt; /* the number of references */
+ void *entry; /* entry point from load */
+ struct dl_info *info; /* optional init/terminate functions */
+ CdtorPtr cdtors; /* optional C++ constructors */
+ GccCDtorPtr gcc_ctor; /* g++ constructors --jwe */
+ GccCDtorPtr gcc_dtor; /* g++ destructors --jwe */
+ int nExports; /* the number of exports found */
+ ExportPtr exports; /* the array of exports */
+} Module, *ModulePtr;
+
+/*
+ * We keep a list of all loaded modules to be able to call the fini
+ * handlers and destructors at atexit() time.
+ */
+static ModulePtr modList;
+
+/*
+ * The last error from one of the dl* routines is kept in static
+ * variables here. Each error is returned only once to the caller.
+ */
+static char errbuf[BUFSIZ];
+static int errvalid;
+
+/*
+ * The `fixed' gcc header files on AIX 3.2.5 provide a prototype for
+ * strdup(). --jwe
+ */
+extern char *strdup(const char *);
+static void caterr(char *);
+static int readExports(ModulePtr);
+static void terminate(void);
+static void *findMain(void);
+
+void *dlopen(const char *path, int mode)
+{
+ register ModulePtr mp;
+ static void *mainModule;
+
+ /*
+ * Upon the first call register a terminate handler that will
+ * close all libraries. Also get a reference to the main module
+ * for use with loadbind.
+ */
+ if (!mainModule) {
+ if ((mainModule = findMain()) == NULL)
+ return NULL;
+ atexit(terminate);
+ }
+ /*
+ * Scan the list of modules if we have the module already loaded.
+ */
+ for (mp = modList; mp; mp = mp->next)
+ if (strcmp(mp->name, path) == 0) {
+ mp->refCnt++;
+ return mp;
+ }
+ if ((mp = (ModulePtr) calloc(1, sizeof(*mp))) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "calloc: ");
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ if ((mp->name = strdup(path)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "strdup: ");
+ strcat(errbuf, strerror(errno));
+ free(mp);
+ return NULL;
+ }
+ /*
+ * load should be declared load(const char *...). Thus we
+ * cast the path to a normal char *. Ugly.
+ */
+ if ((mp->entry = (void *) loadAndInit((char *) path, L_NOAUTODEFER, NULL)) == NULL) {
+ free(mp->name);
+ free(mp);
+ errvalid++;
+ strcpy(errbuf, "dlopen: ");
+ strcat(errbuf, path);
+ strcat(errbuf, ": ");
+ /*
+ * If AIX says the file is not executable, the error
+ * can be further described by querying the loader about
+ * the last error.
+ */
+ if (errno == ENOEXEC) {
+ char *tmp[BUFSIZ / sizeof(char *)];
+ if (loadquery(L_GETMESSAGES, tmp, sizeof(tmp)) == -1)
+ strcpy(errbuf, strerror(errno));
+ else {
+ char **p;
+ for (p = tmp; *p; p++)
+ caterr(*p);
+ }
+ }
+ else
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ mp->refCnt = 1;
+ mp->next = modList;
+ modList = mp;
+ if (loadbind(0, mainModule, mp->entry) == -1) {
+ dlclose(mp);
+ errvalid++;
+ strcpy(errbuf, "loadbind: ");
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ /*
+ * If the user wants global binding, loadbind against all other
+ * loaded modules.
+ */
+ if (mode & RTLD_GLOBAL) {
+ register ModulePtr mp1;
+ for (mp1 = mp->next; mp1; mp1 = mp1->next)
+ if (loadbind(0, mp1->entry, mp->entry) == -1) {
+ dlclose(mp);
+ errvalid++;
+ strcpy(errbuf, "loadbind: ");
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ }
+ if (readExports(mp) == -1) {
+ dlclose(mp);
+ return NULL;
+ }
+ /*
+ * If there is a dl_info structure, call the init function.
+ */
+ if (mp->info = (struct dl_info *) dlsym(mp, "dl_info")) {
+ if (mp->info->init)
+ (*mp->info->init) ();
+ }
+ else
+ errvalid = 0;
+ /*
+ * If the shared object was compiled using xlC we will need
+ * to call static constructors (and later on dlclose destructors).
+ */
+ if (mp->cdtors = (CdtorPtr) dlsym(mp, "__cdtors")) {
+ CdtorPtr cp = mp->cdtors;
+ while (cp->init || cp->term) {
+ if (cp->init && cp->init != (void (*)(void)) 0xffffffff)
+ (*cp->init) ();
+ cp++;
+ }
+ /*
+ * If the shared object was compiled using g++, we will need
+ * to call global constructors using the _GLOBAL__DI function,
+ * and later, global destructors using the _GLOBAL_DD
+ * funciton. --jwe
+ */
+ }
+ else if (mp->gcc_ctor = (GccCDtorPtr) dlsym(mp, "_GLOBAL__DI")) {
+ (*mp->gcc_ctor) ();
+ mp->gcc_dtor = (GccCDtorPtr) dlsym(mp, "_GLOBAL__DD");
+ }
+ else
+ errvalid = 0;
+ return mp;
+}
+
+/*
+ * Attempt to decipher an AIX loader error message and append it
+ * to our static error message buffer.
+ */
+static void caterr(char *s)
+{
+ register char *p = s;
+
+ while (*p >= '0' && *p <= '9')
+ p++;
+ switch (atoi(s)) {
+ case L_ERROR_TOOMANY:
+ strcat(errbuf, "to many errors");
+ break;
+ case L_ERROR_NOLIB:
+ strcat(errbuf, "can't load library");
+ strcat(errbuf, p);
+ break;
+ case L_ERROR_UNDEF:
+ strcat(errbuf, "can't find symbol");
+ strcat(errbuf, p);
+ break;
+ case L_ERROR_RLDBAD:
+ strcat(errbuf, "bad RLD");
+ strcat(errbuf, p);
+ break;
+ case L_ERROR_FORMAT:
+ strcat(errbuf, "bad exec format in");
+ strcat(errbuf, p);
+ break;
+ case L_ERROR_ERRNO:
+ strcat(errbuf, strerror(atoi(++p)));
+ break;
+ default:
+ strcat(errbuf, s);
+ break;
+ }
+}
+
+void *dlsym(void *handle, const char *symbol)
+{
+ register ModulePtr mp = (ModulePtr) handle;
+ register ExportPtr ep;
+ register int i;
+
+ /*
+ * Could speed up the search, but I assume that one assigns
+ * the result to function pointers anyways.
+ */
+ for (ep = mp->exports, i = mp->nExports; i; i--, ep++)
+ if (strcmp(ep->name, symbol) == 0)
+ return ep->addr;
+ errvalid++;
+ strcpy(errbuf, "dlsym: undefined symbol ");
+ strcat(errbuf, symbol);
+ return NULL;
+}
+
+const char *dlerror(void)
+{
+ if (errvalid) {
+ errvalid = 0;
+ return errbuf;
+ }
+ return NULL;
+}
+
+int dlclose(void *handle)
+{
+ register ModulePtr mp = (ModulePtr) handle;
+ int result;
+ register ModulePtr mp1;
+
+ if (--mp->refCnt > 0)
+ return 0;
+ if (mp->info && mp->info->fini)
+ (*mp->info->fini) ();
+ if (mp->cdtors) {
+ CdtorPtr cp = mp->cdtors;
+ while (cp->init || cp->term) {
+ if (cp->term && cp->init != (void (*)(void)) 0xffffffff)
+ (*cp->term) ();
+ cp++;
+ }
+ /*
+ * If the function to handle global destructors for g++
+ * exists, call it. --jwe
+ */
+ }
+ else if (mp->gcc_dtor) {
+ (*mp->gcc_dtor) ();
+ }
+ result = unload(mp->entry);
+ if (result == -1) {
+ errvalid++;
+ strcpy(errbuf, strerror(errno));
+ }
+ if (mp->exports) {
+ register ExportPtr ep;
+ register int i;
+ for (ep = mp->exports, i = mp->nExports; i; i--, ep++)
+ if (ep->name)
+ free(ep->name);
+ free(mp->exports);
+ }
+ if (mp == modList)
+ modList = mp->next;
+ else {
+ for (mp1 = modList; mp1; mp1 = mp1->next)
+ if (mp1->next == mp) {
+ mp1->next = mp->next;
+ break;
+ }
+ }
+ free(mp->name);
+ free(mp);
+ return result;
+}
+
+static void terminate(void)
+{
+ while (modList)
+ dlclose(modList);
+}
+
+/*
+ * Build the export table from the XCOFF .loader section.
+ */
+static int readExports(ModulePtr mp)
+{
+ LDFILE *ldp = NULL;
+ SCNHDR sh, shdata;
+ LDHDR *lhp;
+ char *ldbuf;
+ LDSYM *ls;
+ int i;
+ ExportPtr ep;
+ struct ld_info *lp;
+ char *buf;
+ int size = 4 * 1024;
+ void *dataorg;
+
+ /*
+ * The module might be loaded due to the LIBPATH
+ * environment variable. Search for the loaded
+ * module using L_GETINFO.
+ */
+ if ((buf = malloc(size)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ return -1;
+ }
+ while ((i = loadquery(L_GETINFO, buf, size)) == -1 && errno == ENOMEM) {
+ free(buf);
+ size += 4 * 1024;
+ if ((buf = malloc(size)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ return -1;
+ }
+ }
+ if (i == -1) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ free(buf);
+ return -1;
+ }
+ /*
+ * Traverse the list of loaded modules. The entry point
+ * returned by load() does actually point to the TOC
+ * entry contained in the data segment.
+ */
+ lp = (struct ld_info *) buf;
+ while (lp) {
+ if ((unsigned long) mp->entry >= (unsigned long) lp->ldinfo_dataorg &&
+ (unsigned long) mp->entry < (unsigned long) lp->ldinfo_dataorg +
+ lp->ldinfo_datasize) {
+ dataorg = lp->ldinfo_dataorg;
+ ldp = ldopen(lp->ldinfo_filename, ldp);
+ break;
+ }
+ if (lp->ldinfo_next == 0)
+ lp = NULL;
+ else
+ lp = (struct ld_info *) ((char *) lp + lp->ldinfo_next);
+ }
+ free(buf);
+ if (!ldp) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ return -1;
+ }
+ if (TYPE(ldp) != U802TOCMAGIC) {
+ errvalid++;
+ strcpy(errbuf, "readExports: bad magic");
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ /*
+ * Get the padding for the data section. This is needed for
+ * AIX 4.1 compilers. This is used when building the final
+ * function pointer to the exported symbol.
+ */
+ if (ldnshread(ldp, _DATA, &shdata) != SUCCESS) {
+ errvalid++;
+ strcpy(errbuf, "readExports: cannot read data section header");
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ if (ldnshread(ldp, _LOADER, &sh) != SUCCESS) {
+ errvalid++;
+ strcpy(errbuf, "readExports: cannot read loader section header");
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ /*
+ * We read the complete loader section in one chunk, this makes
+ * finding long symbol names residing in the string table easier.
+ */
+ if ((ldbuf = (char *) malloc(sh.s_size)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ if (FSEEK(ldp, sh.s_scnptr, BEGINNING) != OKFSEEK) {
+ errvalid++;
+ strcpy(errbuf, "readExports: cannot seek to loader section");
+ free(ldbuf);
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ if (FREAD(ldbuf, sh.s_size, 1, ldp) != 1) {
+ errvalid++;
+ strcpy(errbuf, "readExports: cannot read loader section");
+ free(ldbuf);
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ lhp = (LDHDR *) ldbuf;
+ ls = (LDSYM *) (ldbuf + LDHDRSZ);
+ /*
+ * Count the number of exports to include in our export table.
+ */
+ for (i = lhp->l_nsyms; i; i--, ls++) {
+ if (!LDR_EXPORT(*ls))
+ continue;
+ mp->nExports++;
+ }
+ if ((mp->exports = (ExportPtr) calloc(mp->nExports, sizeof(*mp->exports))) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "readExports: ");
+ strcat(errbuf, strerror(errno));
+ free(ldbuf);
+ while (ldclose(ldp) == FAILURE);
+ return -1;
+ }
+ /*
+ * Fill in the export table. All entries are relative to
+ * the beginning of the data origin.
+ */
+ ep = mp->exports;
+ ls = (LDSYM *) (ldbuf + LDHDRSZ);
+ for (i = lhp->l_nsyms; i; i--, ls++) {
+ char *symname;
+ char tmpsym[SYMNMLEN + 1];
+ if (!LDR_EXPORT(*ls))
+ continue;
+ if (ls->l_zeroes == 0)
+ symname = ls->l_offset + lhp->l_stoff + ldbuf;
+ else {
+ /*
+ * The l_name member is not zero terminated, we
+ * must copy the first SYMNMLEN chars and make
+ * sure we have a zero byte at the end.
+ */
+ strncpy(tmpsym, ls->l_name, SYMNMLEN);
+ tmpsym[SYMNMLEN] = '\0';
+ symname = tmpsym;
+ }
+ ep->name = strdup(symname);
+ ep->addr = (void *) ((unsigned long) dataorg +
+ ls->l_value - shdata.s_vaddr);
+ ep++;
+ }
+ free(ldbuf);
+ while (ldclose(ldp) == FAILURE);
+ return 0;
+}
+
+/*
+ * Find the main modules data origin. This is used as export pointer
+ * for loadbind() to be able to resolve references to the main part.
+ */
+static void *findMain(void)
+{
+ struct ld_info *lp;
+ char *buf;
+ int size = 4 * 1024;
+ int i;
+ void *ret;
+
+ if ((buf = malloc(size)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "findMain: ");
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ while ((i = loadquery(L_GETINFO, buf, size)) == -1 && errno == ENOMEM) {
+ free(buf);
+ size += 4 * 1024;
+ if ((buf = malloc(size)) == NULL) {
+ errvalid++;
+ strcpy(errbuf, "findMain: ");
+ strcat(errbuf, strerror(errno));
+ return NULL;
+ }
+ }
+ if (i == -1) {
+ errvalid++;
+ strcpy(errbuf, "findMain: ");
+ strcat(errbuf, strerror(errno));
+ free(buf);
+ return NULL;
+ }
+ /*
+ * The first entry is the main module. The data segment
+ * starts with the TOC entries for all exports, so the
+ * data segment origin works as argument for loadbind.
+ */
+ lp = (struct ld_info *) buf;
+ ret = lp->ldinfo_dataorg;
+ free(buf);
+ return ret;
+}
+
+#endif
diff --git a/dso/beos/dso.c b/dso/beos/dso.c
new file mode 100644
index 0000000..91dd1b4
--- /dev/null
+++ b/dso/beos/dso.c
@@ -0,0 +1,98 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_dso.h"
+#include "apr_portable.h"
+
+#if APR_HAS_DSO
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+
+ if (dso->handle > 0 && unload_add_on(dso->handle) < B_NO_ERROR)
+ return APR_EINIT;
+ dso->handle = -1;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *pool)
+{
+ image_id newid = -1;
+
+ *res_handle = apr_pcalloc(pool, sizeof(*res_handle));
+
+ if((newid = load_add_on(path)) < B_NO_ERROR) {
+ (*res_handle)->errormsg = strerror(newid);
+ return APR_EDSOOPEN;
+ }
+
+ (*res_handle)->pool = pool;
+ (*res_handle)->handle = newid;
+
+ apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, apr_dso_handle_t *handle,
+ const char *symname)
+{
+ int err;
+
+ if (symname == NULL)
+ return APR_ESYMNOTFOUND;
+
+ err = get_image_symbol(handle->handle, symname, B_SYMBOL_TYPE_ANY,
+ ressym);
+
+ if(err != B_OK)
+ return APR_ESYMNOTFOUND;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, apr_size_t buflen)
+{
+ strncpy(buffer, strerror(errno), buflen);
+ return buffer;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->pool = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+#endif
diff --git a/dso/netware/dso.c b/dso/netware/dso.c
new file mode 100644
index 0000000..4cd2ad6
--- /dev/null
+++ b/dso/netware/dso.c
@@ -0,0 +1,137 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_dso.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+
+#include <library.h>
+#include <unistd.h>
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->pool = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+ sym_list *symbol = NULL;
+ void *NLMHandle = getnlmhandle();
+
+ if (dso->handle == NULL)
+ return APR_SUCCESS;
+
+ if (dso->symbols != NULL) {
+ symbol = dso->symbols;
+ while (symbol) {
+ UnImportPublicObject(NLMHandle, symbol->symbol);
+ symbol = symbol->next;
+ }
+ }
+
+ if (dlclose(dso->handle) != 0)
+ return APR_EINIT;
+
+ dso->handle = NULL;
+ dso->symbols = NULL;
+ dso->path = NULL;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *pool)
+{
+
+ void *os_handle = NULL;
+ char *fullpath = NULL;
+ apr_status_t rv;
+
+ if ((rv = apr_filepath_merge(&fullpath, NULL, path,
+ APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
+ return rv;
+ }
+
+ os_handle = dlopen(fullpath, RTLD_NOW | RTLD_LOCAL);
+
+ *res_handle = apr_pcalloc(pool, sizeof(**res_handle));
+
+ if(os_handle == NULL) {
+ (*res_handle)->errormsg = dlerror();
+ return APR_EDSOOPEN;
+ }
+
+ (*res_handle)->handle = (void*)os_handle;
+ (*res_handle)->pool = pool;
+ (*res_handle)->errormsg = NULL;
+ (*res_handle)->symbols = NULL;
+ (*res_handle)->path = apr_pstrdup(pool, fullpath);
+
+ apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ apr_dso_handle_t *handle,
+ const char *symname)
+{
+ sym_list *symbol = NULL;
+ void *retval = dlsym(handle->handle, symname);
+
+ if (retval == NULL) {
+ handle->errormsg = dlerror();
+ return APR_ESYMNOTFOUND;
+ }
+
+ symbol = apr_pcalloc(handle->pool, sizeof(sym_list));
+ symbol->next = handle->symbols;
+ handle->symbols = symbol;
+ symbol->symbol = apr_pstrdup(handle->pool, symname);
+
+ *ressym = retval;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer,
+ apr_size_t buflen)
+{
+ if (dso->errormsg) {
+ apr_cpystrn(buffer, dso->errormsg, buflen);
+ return dso->errormsg;
+ }
+ return "No Error";
+}
+
diff --git a/dso/os2/dso.c b/dso/os2/dso.c
new file mode 100644
index 0000000..1a7f7de
--- /dev/null
+++ b/dso/os2/dso.c
@@ -0,0 +1,132 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_dso.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include <stdio.h>
+#include <string.h>
+
+#if APR_HAS_DSO
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+ int rc;
+
+ if (dso->handle == 0)
+ return APR_SUCCESS;
+
+ rc = DosFreeModule(dso->handle);
+
+ if (rc == 0)
+ dso->handle = 0;
+
+ return APR_FROM_OS_ERROR(rc);
+}
+
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, const char *path, apr_pool_t *ctx)
+{
+ char failed_module[200];
+ HMODULE handle;
+ int rc;
+
+ *res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
+ (*res_handle)->cont = ctx;
+ (*res_handle)->load_error = APR_SUCCESS;
+ (*res_handle)->failed_module = NULL;
+
+ if ((rc = DosLoadModule(failed_module, sizeof(failed_module), path, &handle)) != 0) {
+ (*res_handle)->load_error = APR_FROM_OS_ERROR(rc);
+ (*res_handle)->failed_module = apr_pstrdup(ctx, failed_module);
+ return APR_FROM_OS_ERROR(rc);
+ }
+
+ (*res_handle)->handle = handle;
+ apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+ return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->cont, handle, dso_cleanup);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ apr_dso_handle_t *handle,
+ const char *symname)
+{
+ PFN func;
+ int rc;
+
+ if (symname == NULL || ressym == NULL)
+ return APR_ESYMNOTFOUND;
+
+ if ((rc = DosQueryProcAddr(handle->handle, 0, symname, &func)) != 0) {
+ handle->load_error = APR_FROM_OS_ERROR(rc);
+ return handle->load_error;
+ }
+
+ *ressym = func;
+ return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, apr_size_t buflen)
+{
+ char message[200];
+ apr_strerror(dso->load_error, message, sizeof(message));
+
+ if (dso->failed_module != NULL) {
+ strcat(message, " (");
+ strcat(message, dso->failed_module);
+ strcat(message, ")");
+ }
+
+ apr_cpystrn(buffer, message, buflen);
+ return buffer;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->cont = pool;
+ (*aprdso)->load_error = APR_SUCCESS;
+ (*aprdso)->failed_module = NULL;
+ return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+#endif
diff --git a/dso/os390/dso.c b/dso/os390/dso.c
new file mode 100644
index 0000000..9344c71
--- /dev/null
+++ b/dso/os390/dso.c
@@ -0,0 +1,109 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_portable.h"
+#include "apr_strings.h"
+#include "apr_arch_dso.h"
+#include <errno.h>
+#include <string.h>
+
+#if APR_HAS_DSO
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->pool = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+ int rc;
+
+ if (dso->handle == 0)
+ return APR_SUCCESS;
+
+ rc = dllfree(dso->handle);
+
+ if (rc == 0) {
+ dso->handle = 0;
+ return APR_SUCCESS;
+ }
+ dso->failing_errno = errno;
+ return errno;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *ctx)
+{
+ dllhandle *handle;
+ int rc;
+
+ *res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
+ (*res_handle)->pool = ctx;
+ if ((handle = dllload(path)) != NULL) {
+ (*res_handle)->handle = handle;
+ apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+ return APR_SUCCESS;
+ }
+
+ (*res_handle)->failing_errno = errno;
+ return APR_EDSOOPEN;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ apr_dso_handle_t *handle,
+ const char *symname)
+{
+ void *func_ptr;
+ void *var_ptr;
+
+ if ((var_ptr = dllqueryvar(handle->handle, symname)) != NULL) {
+ *ressym = var_ptr;
+ return APR_SUCCESS;
+ }
+ if ((func_ptr = (void *)dllqueryfn(handle->handle, symname)) != NULL) {
+ *ressym = func_ptr;
+ return APR_SUCCESS;
+ }
+ handle->failing_errno = errno;
+ return APR_ESYMNOTFOUND;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *handle, char *buffer,
+ apr_size_t buflen)
+{
+ apr_cpystrn(buffer, strerror(handle->failing_errno), buflen);
+ return buffer;
+}
+
+#endif
diff --git a/dso/unix/dso.c b/dso/unix/dso.c
new file mode 100644
index 0000000..fdd56f1
--- /dev/null
+++ b/dso/unix/dso.c
@@ -0,0 +1,251 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_dso.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+
+#if APR_HAS_DSO
+
+#if !defined(DSO_USE_DLFCN) && !defined(DSO_USE_SHL) && !defined(DSO_USE_DYLD)
+#error No DSO implementation specified.
+#endif
+
+#ifdef HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h> /* malloc(), free() */
+#endif
+#if APR_HAVE_STRING_H
+#include <string.h> /* for strerror() on HP-UX */
+#endif
+
+#if defined(DSO_USE_DYLD)
+#define DYLD_LIBRARY_HANDLE (void *)-1
+#endif
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->pool = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+
+ if (dso->handle == NULL)
+ return APR_SUCCESS;
+
+#if defined(DSO_USE_SHL)
+ shl_unload((shl_t)dso->handle);
+#elif defined(DSO_USE_DYLD)
+ if (dso->handle != DYLD_LIBRARY_HANDLE) {
+ NSUnLinkModule(dso->handle, FALSE);
+ }
+#elif defined(DSO_USE_DLFCN)
+ if (dlclose(dso->handle) != 0)
+ return APR_EINIT;
+#endif
+ dso->handle = NULL;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *pool)
+{
+#if defined(DSO_USE_SHL)
+ shl_t os_handle = shl_load(path, BIND_IMMEDIATE, 0L);
+
+#elif defined(DSO_USE_DYLD)
+ NSObjectFileImage image;
+ NSModule os_handle = NULL;
+ NSObjectFileImageReturnCode dsoerr;
+ const char* err_msg = NULL;
+ dsoerr = NSCreateObjectFileImageFromFile(path, &image);
+
+ if (dsoerr == NSObjectFileImageSuccess) {
+#if defined(NSLINKMODULE_OPTION_RETURN_ON_ERROR) && defined(NSLINKMODULE_OPTION_NONE)
+ os_handle = NSLinkModule(image, path,
+ NSLINKMODULE_OPTION_RETURN_ON_ERROR |
+ NSLINKMODULE_OPTION_NONE);
+ /* If something went wrong, get the errors... */
+ if (!os_handle) {
+ NSLinkEditErrors errors;
+ int errorNumber;
+ const char *fileName;
+ NSLinkEditError(&errors, &errorNumber, &fileName, &err_msg);
+ }
+#else
+ os_handle = NSLinkModule(image, path, FALSE);
+#endif
+ NSDestroyObjectFileImage(image);
+ }
+ else if ((dsoerr == NSObjectFileImageFormat ||
+ dsoerr == NSObjectFileImageInappropriateFile) &&
+ NSAddLibrary(path) == TRUE) {
+ os_handle = (NSModule)DYLD_LIBRARY_HANDLE;
+ }
+ else {
+ err_msg = "cannot create object file image or add library";
+ }
+
+#elif defined(DSO_USE_DLFCN)
+#if defined(OSF1) || defined(SEQUENT) || defined(SNI) ||\
+ (defined(__FreeBSD_version) && (__FreeBSD_version >= 220000)) ||\
+ defined(__DragonFly__)
+ void *os_handle = dlopen((char *)path, RTLD_NOW | RTLD_GLOBAL);
+
+#else
+ int flags = RTLD_NOW | RTLD_GLOBAL;
+ void *os_handle;
+#ifdef _AIX
+ if (strchr(path + 1, '(') && path[strlen(path) - 1] == ')')
+ {
+ /* This special archive.a(dso.so) syntax is required for
+ * the way libtool likes to build shared libraries on AIX.
+ * dlopen() support for such a library requires that the
+ * RTLD_MEMBER flag be enabled.
+ */
+ flags |= RTLD_MEMBER;
+ }
+#endif
+ os_handle = dlopen(path, flags);
+#endif
+#endif /* DSO_USE_x */
+
+ *res_handle = apr_pcalloc(pool, sizeof(**res_handle));
+
+ if(os_handle == NULL) {
+#if defined(DSO_USE_SHL)
+ (*res_handle)->errormsg = strerror(errno);
+ return APR_EDSOOPEN;
+#elif defined(DSO_USE_DYLD)
+ (*res_handle)->errormsg = (err_msg) ? err_msg : "link failed";
+ return APR_EDSOOPEN;
+#elif defined(DSO_USE_DLFCN)
+ (*res_handle)->errormsg = dlerror();
+ return APR_EDSOOPEN;
+#endif
+ }
+
+ (*res_handle)->handle = (void*)os_handle;
+ (*res_handle)->pool = pool;
+ (*res_handle)->errormsg = NULL;
+
+ apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ apr_dso_handle_t *handle,
+ const char *symname)
+{
+#if defined(DSO_USE_SHL)
+ void *symaddr = NULL;
+ int status;
+
+ errno = 0;
+ status = shl_findsym((void *)&handle->handle, symname, TYPE_PROCEDURE, &symaddr);
+ if (status == -1 && errno == 0) /* try TYPE_DATA instead */
+ status = shl_findsym((void *)&handle->handle, symname, TYPE_DATA, &symaddr);
+ if (status == -1)
+ return APR_ESYMNOTFOUND;
+ *ressym = symaddr;
+ return APR_SUCCESS;
+
+#elif defined(DSO_USE_DYLD)
+ void *retval = NULL;
+ NSSymbol symbol;
+ char *symname2 = (char*)malloc(sizeof(char)*(strlen(symname)+2));
+ sprintf(symname2, "_%s", symname);
+#ifdef NSLINKMODULE_OPTION_PRIVATE
+ if (handle->handle == DYLD_LIBRARY_HANDLE) {
+ symbol = NSLookupAndBindSymbol(symname2);
+ }
+ else {
+ symbol = NSLookupSymbolInModule((NSModule)handle->handle, symname2);
+ }
+#else
+ symbol = NSLookupAndBindSymbol(symname2);
+#endif
+ free(symname2);
+ if (symbol == NULL) {
+ handle->errormsg = "undefined symbol";
+ return APR_ESYMNOTFOUND;
+ }
+ retval = NSAddressOfSymbol(symbol);
+ if (retval == NULL) {
+ handle->errormsg = "cannot resolve symbol";
+ return APR_ESYMNOTFOUND;
+ }
+ *ressym = retval;
+ return APR_SUCCESS;
+#elif defined(DSO_USE_DLFCN)
+
+#if defined(DLSYM_NEEDS_UNDERSCORE)
+ void *retval;
+ char *symbol = (char*)malloc(sizeof(char)*(strlen(symname)+2));
+ sprintf(symbol, "_%s", symname);
+ retval = dlsym(handle->handle, symbol);
+ free(symbol);
+#elif defined(SEQUENT) || defined(SNI)
+ void *retval = dlsym(handle->handle, (char *)symname);
+#else
+ void *retval = dlsym(handle->handle, symname);
+#endif /* DLSYM_NEEDS_UNDERSCORE */
+
+ if (retval == NULL) {
+ handle->errormsg = dlerror();
+ return APR_ESYMNOTFOUND;
+ }
+
+ *ressym = retval;
+
+ return APR_SUCCESS;
+#endif /* DSO_USE_x */
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer,
+ apr_size_t buflen)
+{
+ if (dso->errormsg) {
+ apr_cpystrn(buffer, dso->errormsg, buflen);
+ return dso->errormsg;
+ }
+ return "No Error";
+}
+
+#endif
diff --git a/dso/win32/dso.c b/dso/win32/dso.c
new file mode 100644
index 0000000..d4a6893
--- /dev/null
+++ b/dso/win32/dso.c
@@ -0,0 +1,167 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_dso.h"
+#include "apr_strings.h"
+#include "apr_private.h"
+#include "apr_arch_file_io.h"
+#include "apr_arch_utf8.h"
+
+#if APR_HAS_DSO
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+ apr_os_dso_handle_t osdso,
+ apr_pool_t *pool)
+{
+ *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+ (*aprdso)->handle = osdso;
+ (*aprdso)->cont = pool;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+ apr_dso_handle_t *aprdso)
+{
+ *osdso = aprdso->handle;
+ return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+ apr_dso_handle_t *dso = thedso;
+
+ if (dso->handle != NULL && !FreeLibrary(dso->handle)) {
+ return apr_get_os_error();
+ }
+ dso->handle = NULL;
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(struct apr_dso_handle_t **res_handle,
+ const char *path, apr_pool_t *ctx)
+{
+ HINSTANCE os_handle;
+ apr_status_t rv;
+#ifndef _WIN32_WCE
+ UINT em;
+#endif
+
+#if APR_HAS_UNICODE_FS
+ IF_WIN_OS_IS_UNICODE
+ {
+ apr_wchar_t wpath[APR_PATH_MAX];
+ if ((rv = utf8_to_unicode_path(wpath, sizeof(wpath)
+ / sizeof(apr_wchar_t), path))
+ != APR_SUCCESS) {
+ *res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
+ return ((*res_handle)->load_error = rv);
+ }
+ /* Prevent ugly popups from killing our app */
+#ifndef _WIN32_WCE
+ em = SetErrorMode(SEM_FAILCRITICALERRORS);
+#endif
+ os_handle = LoadLibraryExW(wpath, NULL, 0);
+ if (!os_handle)
+ os_handle = LoadLibraryExW(wpath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+ if (!os_handle)
+ rv = apr_get_os_error();
+#ifndef _WIN32_WCE
+ SetErrorMode(em);
+#endif
+ }
+#endif /* APR_HAS_UNICODE_FS */
+#if APR_HAS_ANSI_FS
+ ELSE_WIN_OS_IS_ANSI
+ {
+ char fspec[APR_PATH_MAX], *p = fspec;
+ /* Must convert path from / to \ notation.
+ * Per PR2555, the LoadLibraryEx function is very picky about slashes.
+ * Debugging on NT 4 SP 6a reveals First Chance Exception within NTDLL.
+ * LoadLibrary in the MS PSDK also reveals that it -explicitly- states
+ * that backslashes must be used for the LoadLibrary family of calls.
+ */
+ apr_cpystrn(fspec, path, sizeof(fspec));
+ while ((p = strchr(p, '/')) != NULL)
+ *p = '\\';
+
+ /* Prevent ugly popups from killing our app */
+ em = SetErrorMode(SEM_FAILCRITICALERRORS);
+ os_handle = LoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+ if (!os_handle)
+ os_handle = LoadLibraryEx(path, NULL, 0);
+ if (!os_handle)
+ rv = apr_get_os_error();
+ else
+ rv = APR_SUCCESS;
+ SetErrorMode(em);
+ }
+#endif
+
+ *res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
+ (*res_handle)->cont = ctx;
+
+ if (rv) {
+ return ((*res_handle)->load_error = rv);
+ }
+
+ (*res_handle)->handle = (void*)os_handle;
+ (*res_handle)->load_error = APR_SUCCESS;
+
+ apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_unload(struct apr_dso_handle_t *handle)
+{
+ return apr_pool_cleanup_run(handle->cont, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
+ struct apr_dso_handle_t *handle,
+ const char *symname)
+{
+#ifdef _WIN32_WCE
+ apr_size_t symlen = strlen(symname) + 1;
+ apr_size_t wsymlen = 256;
+ apr_wchar_t wsymname[256];
+ apr_status_t rv;
+
+ rv = apr_conv_utf8_to_ucs2(wsymname, &wsymlen, symname, &symlen);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+ else if (symlen) {
+ return APR_ENAMETOOLONG;
+ }
+
+ *ressym = (apr_dso_handle_sym_t)GetProcAddressW(handle->handle, wsymname);
+#else
+ *ressym = (apr_dso_handle_sym_t)GetProcAddress(handle->handle, symname);
+#endif
+ if (!*ressym) {
+ return apr_get_os_error();
+ }
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize)
+{
+ return apr_strerror(dso->load_error, buf, bufsize);
+}
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 03:37:43 +0000