Adding upstream version 1.7.2.upstream/1.7.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 672 insertions, 0 deletions

diff --git a/threadproc/os2/proc.c b/threadproc/os2/proc.c
new file mode 100644
index 0000000..96f76d6
--- /dev/null
+++ b/threadproc/os2/proc.c
@@ -0,0 +1,672 @@
+/* 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.
+ */
+
+#define INCL_DOS
+#define INCL_DOSERRORS
+
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+#include "apr_private.h"
+#include "apr_thread_proc.h"
+#include "apr_file_io.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_portable.h"
+#include "apr_strings.h"
+#include "apr_signal.h"
+#include <signal.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <process.h>
+#include <stdlib.h>
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, -1, };
+
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new, apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_palloc(pool, 
+              sizeof(apr_procattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    (*new)->pool = pool;
+    (*new)->parent_in = NULL;
+    (*new)->child_in = NULL;
+    (*new)->parent_out = NULL;
+    (*new)->child_out = NULL;
+    (*new)->parent_err = NULL;
+    (*new)->child_err = NULL;
+    (*new)->currdir = NULL; 
+    (*new)->cmdtype = APR_PROGRAM;
+    (*new)->detached = FALSE;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in,
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t rv;
+
+    if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                          in, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (in == APR_NO_FILE)
+        attr->child_in = &no_file;
+
+    if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                          out, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (out == APR_NO_FILE)
+        attr->child_out = &no_file;
+
+    if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                          err, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (err == APR_NO_FILE)
+        attr->child_err = &no_file;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
+                                   apr_file_t *parent_in)
+{
+    apr_status_t rv;
+
+    if (attr->child_in == NULL && attr->parent_in == NULL
+            && child_in == NULL && parent_in == NULL)
+        if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+
+    if (child_in != NULL && rv == APR_SUCCESS) {
+        if (attr->child_in && (attr->child_in->filedes != -1))
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+        else {
+            attr->child_in = NULL;
+            if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_in);
+        }
+    }
+
+    if (parent_in != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
+                                                     apr_file_t *parent_out)
+{
+    apr_status_t rv;
+
+    if (attr->child_out == NULL && attr->parent_out == NULL
+           && child_out == NULL && parent_out == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+
+    if (child_out != NULL && rv == APR_SUCCESS) {
+        if (attr->child_out && (attr->child_out->filedes != -1))
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+        else {
+            attr->child_out = NULL;
+            if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_out);
+        }
+    }
+  
+    if (parent_out != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
+                                                     apr_file_t *parent_err)
+{
+    apr_status_t rv;
+
+    if (attr->child_err == NULL && attr->parent_err == NULL
+           && child_err == NULL && parent_err == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+
+    if (child_err != NULL && rv == APR_SUCCESS) {
+        if (attr->child_err && (attr->child_err->filedes != -1))
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+        else {
+            attr->child_err = NULL;
+            if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_err);
+        }
+    }
+  
+    if (parent_err != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr, const char *dir)
+{
+    attr->currdir = apr_pstrdup(attr->pool, dir);
+    if (attr->currdir) {
+        return APR_SUCCESS;
+    }
+    return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                                   apr_cmdtype_e cmd) 
+{
+    attr->cmdtype = cmd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach) 
+{
+    attr->detached = detach;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
+{
+    int pid;
+    
+    if ((pid = fork()) < 0) {
+        return errno;
+    }
+    else if (pid == 0) {
+        proc->pid = pid;
+        proc->in = NULL; 
+        proc->out = NULL; 
+        proc->err = NULL; 
+        return APR_INCHILD;
+    }
+    proc->pid = pid;
+    proc->in = NULL; 
+    proc->out = NULL; 
+    proc->err = NULL; 
+    return APR_INPARENT;
+}
+
+
+
+/* quotes in the string are doubled up.
+ * Used to escape quotes in args passed to OS/2's cmd.exe
+ */
+static char *double_quotes(apr_pool_t *pool, const char *str)
+{
+    int num_quotes = 0;
+    int len = 0;
+    char *quote_doubled_str, *dest;
+    
+    while (str[len]) {
+        num_quotes += str[len++] == '\"';
+    }
+    
+    quote_doubled_str = apr_palloc(pool, len + num_quotes + 1);
+    dest = quote_doubled_str;
+    
+    while (*str) {
+        if (*str == '\"')
+            *(dest++) = '\"';
+        *(dest++) = *(str++);
+    }
+    
+    *dest = 0;
+    return quote_doubled_str;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    /* won't ever be called on this platform, so don't save the function pointer */
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname,
+                                          const char * const *args,
+                                          const char * const *env,
+                                          apr_procattr_t *attr, apr_pool_t *pool)
+{
+    int i, arg, numargs, cmdlen;
+    apr_status_t status;
+    const char **newargs;
+    char savedir[300];
+    HFILE save_in, save_out, save_err, dup;
+    int criticalsection = FALSE;
+    char *extension, *newprogname, *extra_arg = NULL, *cmdline, *cmdline_pos;
+    char interpreter[1024];
+    char error_object[260];
+    apr_file_t *progfile;
+    int env_len, e;
+    char *env_block, *env_block_pos;
+    RESULTCODES rescodes;
+
+    proc->in = attr->parent_in;
+    proc->err = attr->parent_err;
+    proc->out = attr->parent_out;
+
+    /* Prevent other threads from running while these process-wide resources are modified */
+    if (attr->child_in || attr->child_out || attr->child_err || attr->currdir) {
+        criticalsection = TRUE;
+        DosEnterCritSec();
+    }
+
+    if (attr->child_in) {
+        save_in = -1;
+        DosDupHandle(STDIN_FILENO, &save_in);
+        dup = STDIN_FILENO;
+        if (attr->child_in->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_in->filedes, &dup);
+    }
+    
+    if (attr->child_out) {
+        save_out = -1;
+        DosDupHandle(STDOUT_FILENO, &save_out);
+        dup = STDOUT_FILENO;
+        if (attr->child_out->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_out->filedes, &dup);
+    }
+    
+    if (attr->child_err) {
+        save_err = -1;
+        DosDupHandle(STDERR_FILENO, &save_err);
+        dup = STDERR_FILENO;
+        if (attr->child_err->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_err->filedes, &dup);
+    }
+
+    apr_signal(SIGCHLD, SIG_DFL); /*not sure if this is needed or not */
+
+    if (attr->currdir != NULL) {
+        _getcwd2(savedir, sizeof(savedir));
+        
+        if (_chdir2(attr->currdir) < 0) {
+            if (criticalsection)
+                DosExitCritSec();
+            return errno;
+        }
+    }
+
+    interpreter[0] = 0;
+    extension = strrchr(progname, '.');
+
+    if (extension == NULL || strchr(extension, '/') || strchr(extension, '\\'))
+        extension = "";
+
+    /* ### how to handle APR_PROGRAM_ENV and APR_PROGRAM_PATH? */
+
+    if (attr->cmdtype == APR_SHELLCMD ||
+        attr->cmdtype == APR_SHELLCMD_ENV ||
+        strcasecmp(extension, ".cmd") == 0) {
+        strcpy(interpreter, "#!" SHELL_PATH);
+        extra_arg = "/C";
+    } else if (stricmp(extension, ".exe") != 0) {
+        status = apr_file_open(&progfile, progname, APR_READ|APR_BUFFERED, 0, pool);
+
+        if (status != APR_SUCCESS && APR_STATUS_IS_ENOENT(status)) {
+            progname = apr_pstrcat(pool, progname, ".exe", NULL);
+        }
+
+        if (status == APR_SUCCESS) {
+            status = apr_file_gets(interpreter, sizeof(interpreter), progfile);
+
+            if (status == APR_SUCCESS) {
+                if (interpreter[0] == '#' && interpreter[1] == '!') {
+                    /* delete CR/LF & any other whitespace off the end */
+                    int end = strlen(interpreter) - 1;
+
+                    while (end >= 0 && apr_isspace(interpreter[end])) {
+                        interpreter[end] = '\0';
+                        end--;
+                    }
+
+                    if (interpreter[2] != '/' && interpreter[2] != '\\' && interpreter[3] != ':') {
+                        char buffer[300];
+
+                        if (DosSearchPath(SEARCH_ENVIRONMENT, "PATH", interpreter+2, buffer, sizeof(buffer)) == 0) {
+                            strcpy(interpreter+2, buffer);
+                        } else {
+                            strcat(interpreter, ".exe");
+                            if (DosSearchPath(SEARCH_ENVIRONMENT, "PATH", interpreter+2, buffer, sizeof(buffer)) == 0) {
+                                strcpy(interpreter+2, buffer);
+                            }
+                        }
+                    }
+                } else {
+                    interpreter[0] = 0;
+                }
+            }
+
+            apr_file_close(progfile);
+        }
+    }
+
+    i = 0;
+
+    while (args && args[i]) {
+        i++;
+    }
+
+    newargs = (const char **)apr_palloc(pool, sizeof (char *) * (i + 4));
+    numargs = 0;
+
+    if (interpreter[0])
+        newargs[numargs++] = interpreter + 2;
+    if (extra_arg)
+        newargs[numargs++] = "/c";
+
+    newargs[numargs++] = newprogname = apr_pstrdup(pool, progname);
+    arg = 1;
+
+    while (args && args[arg]) {
+        newargs[numargs++] = args[arg++];
+    }
+
+    newargs[numargs] = NULL;
+
+    for (i=0; newprogname[i]; i++)
+        if (newprogname[i] == '/')
+            newprogname[i] = '\\';
+
+    cmdlen = 0;
+
+    for (i=0; i<numargs; i++)
+        cmdlen += strlen(newargs[i]) + 3;
+
+    cmdline = apr_palloc(pool, cmdlen + 2);
+    cmdline_pos = cmdline;
+
+    for (i=0; i<numargs; i++) {
+        const char *a = newargs[i];
+
+        if (strpbrk(a, "&|<>\" "))
+            a = apr_pstrcat(pool, "\"", double_quotes(pool, a), "\"", NULL);
+
+        if (i)
+            *(cmdline_pos++) = ' ';
+
+        strcpy(cmdline_pos, a);
+        cmdline_pos += strlen(cmdline_pos);
+    }
+
+    *(++cmdline_pos) = 0; /* Add required second terminator */
+    cmdline_pos = strchr(cmdline, ' ');
+
+    if (cmdline_pos) {
+        *cmdline_pos = 0;
+        cmdline_pos++;
+    }
+
+    /* Create environment block from list of envariables */
+    if (env) {
+        for (env_len=1, e=0; env[e]; e++)
+            env_len += strlen(env[e]) + 1;
+
+        env_block = apr_palloc(pool, env_len);
+        env_block_pos = env_block;
+
+        for (e=0; env[e]; e++) {
+            strcpy(env_block_pos, env[e]);
+            env_block_pos += strlen(env_block_pos) + 1;
+        }
+
+        *env_block_pos = 0; /* environment block is terminated by a double null */
+    } else
+        env_block = NULL;
+
+    status = DosExecPgm(error_object, sizeof(error_object),
+                        attr->detached ? EXEC_BACKGROUND : EXEC_ASYNCRESULT,
+                        cmdline, env_block, &rescodes, cmdline);
+
+    proc->pid = rescodes.codeTerminate;
+
+    if (attr->currdir != NULL) {
+        chdir(savedir);
+    }
+
+    if (attr->child_in) {
+        if (attr->child_in->filedes != -1) {
+            apr_file_close(attr->child_in);
+        }
+
+        dup = STDIN_FILENO;
+        DosDupHandle(save_in, &dup);
+        DosClose(save_in);
+    }
+    
+    if (attr->child_out) {
+        if  (attr->child_out->filedes != -1) {
+            apr_file_close(attr->child_out);
+        }
+
+        dup = STDOUT_FILENO;
+        DosDupHandle(save_out, &dup);
+        DosClose(save_out);
+    }
+    
+    if (attr->child_err) {
+        if (attr->child_err->filedes != -1) {
+            apr_file_close(attr->child_err);
+        }
+
+        dup = STDERR_FILENO;
+        DosDupHandle(save_err, &dup);
+        DosClose(save_err);
+    }
+
+    if (criticalsection)
+        DosExitCritSec();
+
+    return status;
+}
+
+
+
+static void proces_result_codes(RESULTCODES codes, 
+                                int *exitcode, 
+                                apr_exit_why_e *exitwhy)
+{
+    int result = 0;
+    apr_exit_why_e why = APR_PROC_EXIT;
+
+    switch (codes.codeTerminate) {
+    case TC_EXIT:        /* Normal exit */
+        why = APR_PROC_EXIT;
+        result = codes.codeResult;
+        break;
+
+    case TC_HARDERROR:   /* Hard error halt */
+        why = APR_PROC_SIGNAL;
+        result = SIGSYS;
+        break;
+
+    case TC_KILLPROCESS: /* Was killed by a DosKillProcess() */
+        why = APR_PROC_SIGNAL;
+        result = SIGKILL;
+        break;
+
+    case TC_TRAP:        /* TRAP in 16 bit code */
+    case TC_EXCEPTION:   /* Threw an exception (32 bit code) */
+        why = APR_PROC_SIGNAL;
+
+        switch (codes.codeResult | XCPT_FATAL_EXCEPTION) {
+        case XCPT_ACCESS_VIOLATION:
+            result = SIGSEGV;
+            break;
+
+        case XCPT_ILLEGAL_INSTRUCTION:
+            result = SIGILL;
+            break;
+
+        case XCPT_FLOAT_DIVIDE_BY_ZERO:
+        case XCPT_INTEGER_DIVIDE_BY_ZERO:
+            result = SIGFPE;
+            break;
+
+        default:
+            result = codes.codeResult;
+            break;
+        }
+    }
+
+    if (exitcode) {
+        *exitcode = result;
+    }
+
+    if (exitwhy) {
+        *exitwhy = why;
+    }
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow,
+                                                  apr_pool_t *p)
+{
+    RESULTCODES codes;
+    ULONG rc;
+    PID pid;
+
+    rc = DosWaitChild(DCWA_PROCESSTREE, waithow == APR_WAIT ? DCWW_WAIT : DCWW_NOWAIT, &codes, &pid, 0);
+
+    if (rc == 0) {
+        proc->pid = pid;
+        proces_result_codes(codes, exitcode, exitwhy);
+        return APR_CHILD_DONE;
+    } else if (rc == ERROR_CHILD_NOT_COMPLETE) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return APR_OS2_STATUS(rc);
+} 
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    RESULTCODES codes;
+    ULONG rc;
+    PID pid;
+    rc = DosWaitChild(DCWA_PROCESS, waithow == APR_WAIT ? DCWW_WAIT : DCWW_NOWAIT, &codes, &pid, proc->pid);
+
+    if (rc == 0) {
+        proces_result_codes(codes, exitcode, exitwhy);
+        return APR_CHILD_DONE;
+    } else if (rc == ERROR_CHILD_NOT_COMPLETE) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return APR_OS2_STATUS(rc);
+} 
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_detach(int daemonize)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
+                                                const char *username,
+                                                const char *password)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    return APR_ENOTIMPL;
+}