Marius van Witzenburg "Learned my lesson in life, now setting my action to stay in life."

2Mar/100

Shellproxy, an easy tool to run shell commands from PHP or other languages

This is a simple script that runs a shell command from PHP with the function system().
It sometimes happens that a command doesn't close the stdin or stdout, resulting the system() function to halt and wait for it to finish...
This causes PHP to reach the 30 second time limit and kill the script.

This script runs it in the background and you could make your commands send their output to a log file and still having full control.

Read the code below how to use it.

You can compile it by placing the code into 'shellproxy.c' and then compile it with the following command:

gcc -o shellproxy shellproxy.c

I hope this is something useful for you as it was for me.

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#include <stdio .h>
#include <stdlib .h>
#include <string .h>
 
int main(int argc, char *argv[]) {
    char command[1024];
    int t;
 
    if (argc == 1) {
        printf("\nShell Proxy\n");
        printf("By Marius van Witzenburg <http ://mariusvw.com>\n\n");
        printf("You will mostly use this program from PHP or any other\n");
        printf("webscripting language to background run programs\n\n");
        printf("Usage:\n");
        printf("- CLI:\n");
        printf("shellproxy \"<cmd> <arg>\"\n");
        printf("shellproxy \"<cmd> <arg> > redirect.txt\"\n");
        printf("- PHP:\n");
        printf("system('shellproxy \"<cmd> <arg> &\"');\n");
        printf("system('shellproxy \"<cmd> <arg> > redirect.txt\"');\n\n");
    }
 
    command[0] = 0;
 
    for (t = 1; t < argc; t++) {
        strcat(command, argv[t]);
        strcat(command, " ");
    }
 
    fclose(stdin);
    fclose(stdout);
    fclose(stderr);
 
    system(command);
}

It would be nice if you keep my name mentioned into this code if you use it.

Ps. Donations are welcome... ;-)

18Oct/090

Virtualbox VDI to VMware VMDK with Qemu script

This script converts your VDI image to a VMDK image if you installed Virtualbox and Qemu on the default location of your Mac OS X.

I placed this script in my home directory as vdi2vmdk.sh but you could place it anywere you want.

The code of vdi2vmdk.sh:

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#!/bin/sh
echo "VDI 2 Raw..."
ri="svi2raw.tmp"
if [ -e "$ri" ] 
then
    echo "" 
    rm $ri  
fi
/Applications/VirtualBox.app/Contents/MacOS/VBoxManage internalcommands converttoraw -format vdi "$1" "$ri"
echo "Raw to VMDK..."
/Applications/Q.app/Contents/MacOS/qemu-img convert -O vmdk "$ri" "$2"
rm "$ri"
echo "DONE!"

If you have any questions, please ask...