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. Added expand_tilde()

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. Added strip_endslash()
. wwwroot gets its tilde expanded and trailing slash clipped off
This commit is contained in:
Emil Mikulic 2003-03-07 05:58:35 +00:00
parent f5703a9c82
commit aa2245e867
1 changed files with 46 additions and 1 deletions
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47
trunk/darkhttpd.c
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@ -33,6 +33,7 @@
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <pwd.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
@ -182,6 +183,48 @@ static void usage(void)
/* ---------------------------------------------------------------------------
* Expands a path beginning with a tilde. The returned string needs to be
* deallocated.
*/
static char *expand_tilde(const char *path)
{
const char *home;
char *tmp = NULL;
if (path[0] != '~') return strdup(path); /* do nothing */
home = getenv("HOME");
if (home == NULL)
{
/* no ENV variable, try getpwuid() */
struct passwd *pw = getpwuid(getuid());
if (pw) home = pw->pw_dir;
}
if (home == NULL) errx(1, "can't expand `~'");
asprintf(&tmp, "%s%s", home, path+1);
if (tmp == NULL) errx(1, "out of memory in asprintf()");
return tmp;
}
/* ---------------------------------------------------------------------------
* Strips the ending slash from a string (if there is one)
*/
static void strip_endslash(char **str)
{
if (strlen(*str) < 1) return;
if ((*str)[strlen(*str)-1] != '/') return;
(*str)[strlen(*str)-1] = 0;
*str = (char*) realloc(*str, strlen(*str)+1);
}
/* ---------------------------------------------------------------------------
* Parses commandline options.
*/
@ -190,7 +233,9 @@ static void parse_commandline(const int argc, char *argv[])
int i;
if (argc < 2) usage(); /* no wwwroot given */
wwwroot = argv[1];
wwwroot = expand_tilde( argv[1] ); /* ~/public_html/ */
strip_endslash(&wwwroot);
debugf("wwwroot = ``%s''\n", wwwroot);
/* walk through the remainder of the arguments (if any) */
for (i=2; i<argc; i++)