                            .oO Phrack 50 Oo.

                        Volume Seven, Issue Fifty

                                 16 of 16

                  extract.c by Phrack Staff and sirsyko

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/* extract.c by Phrack Staff and sirsyko * * Phrack Magazine, 1997 * * Extracts textfiles from a specially tagged flatfile into a hierarchical * directory strcuture. Use to extract source code from any of the articles * in Phrack Magazine (first appeared in Phrack 50). * * gcc -o extract extract.c *
* ./extract filename
* */

include

int main(int argc, char **argv){

char *s="<++> ",*e="<-->",b[256],*bp; 
FILE *f,*o = NULL; 
int l, n, i=0; 

l = strlen(s); 
n = strlen(e); 

if(argc<2) {
    printf("Usage: %s <inputfile>\n",argv[0]);
    exit(1); 
}

if(! (f=fopen(argv[1], "r"))) {
    printf("Could not open input file.\n");
exit(1);
}

while(fgets(b, 256, f)){ 

    if(!strncmp (b, s, l)){ 
    b[strlen(b)-1] = '\0'; 

    if((bp=strchr(b+l+1,'/')))
        while (bp){ 
        *bp='\0';
        mkdir(b+l, 0700); 
        *bp='/';
        bp=strchr(bp+1,'/'); 
    }
    if((o = fopen(b+l, "w"))) 
        printf("- Extracting %s\n",b+l);
    else {
    printf("Could not extract '%s'\n",b+l);
    exit(1);
    }
} 
    else if(!strncmp (b, e, n)){
    if(o) fclose(o);
    else {
        printf("Error closing file.\n");
    exit(1);
    }
    } 
    else if(o) {
        fputs(b, o);
        i++;
    }
}
if(!i) printf("No extraction tags found.\n");
return(0);

}

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EOF