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Fix #8992, patch by yasushi_takahashi@tsuken.co.jp

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This commit is contained in:
Stanislav Malyshev 2001-02-22 10:15:52 +00:00
parent 454221ba62
commit 4cda96691c
1 changed files with 11 additions and 0 deletions
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11
ext/standard/exec.c
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@ -31,6 +31,9 @@
#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
/*
* If type==0, only last line of output is returned (exec)
@ -48,6 +51,7 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
int overflow_limit, lcmd, ldir;
int rsrc_id;
char *b, *c, *d=NULL;
void (*sig_handler)();
PLS_FETCH();
FLS_FETCH();
@ -89,6 +93,8 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
tmp = php_escape_shell_cmd(d);
efree(d);
d = tmp;
sig_handler = signal (SIGCHLD, SIG_DFL);
#ifdef PHP_WIN32
fp = V_POPEN(d, "rb");
#else
@ -98,9 +104,11 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
php_error(E_WARNING, "Unable to fork [%s]", d);
efree(d);
efree(buf);
signal (SIGCHLD, sig_handler);
return -1;
}
} else { /* not safe_mode */
sig_handler = signal (SIGCHLD, SIG_DFL);
#ifdef PHP_WIN32
fp = V_POPEN(cmd, "rb");
#else
@ -109,6 +117,7 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
if (!fp) {
php_error(E_WARNING, "Unable to fork [%s]", cmd);
efree(buf);
signal (SIGCHLD, sig_handler);
return -1;
}
}
@ -137,6 +146,7 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
if ( buf == NULL ) {
php_error(E_WARNING, "Unable to erealloc %d bytes for exec buffer",
buflen + EXEC_INPUT_BUF);
signal (SIGCHLD, sig_handler);
return -1;
}
buflen += EXEC_INPUT_BUF;
@ -203,6 +213,7 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value)
}
#endif
signal (SIGCHLD, sig_handler);
if (d) {
efree(d);
}