diff options
Diffstat (limited to 'utility.c')
| -rw-r--r-- | utility.c | 123 |
1 files changed, 123 insertions, 0 deletions
@@ -544,4 +544,127 @@ recursiveAction(const char *fileName, int recurse, int followLinks, #endif + + +#if defined (BB_TAR) || defined (BB_MKDIR) +/* + * Attempt to create the directories along the specified path, except for + * the final component. The mode is given for the final directory only, + * while all previous ones get default protections. Errors are not reported + * here, as failures to restore files can be reported later. + */ +extern void createPath (const char *name, int mode) +{ + char *cp; + char *cpOld; + char buf[NAME_MAX]; + + strcpy (buf, name); + + cp = strchr (buf, '/'); + + while (cp) { + cpOld = cp; + cp = strchr (cp + 1, '/'); + + *cpOld = '\0'; + + if (mkdir (buf, cp ? 0777 : mode) == 0) + printf ("Directory \"%s\" created\n", buf); + + *cpOld = '/'; + } +} +#endif + + + +#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR) +/* [ugoa]{+|-|=}[rwxstl] */ +extern int parse_mode( const char* s, mode_t* theMode) +{ + mode_t or; + mode_t and; + mode_t mode = 0; + mode_t groups = S_ISVTX; + char type; + char c; + + do { + for ( ; ; ) { + switch ( c = *s++ ) { + case '\0': + return (FALSE); + case 'u': + groups |= S_ISUID|S_IRWXU; + continue; + case 'g': + groups |= S_ISGID|S_IRWXG; + continue; + case 'o': + groups |= S_IRWXO; + continue; + case 'a': + groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; + continue; + case '+': + case '=': + case '-': + type = c; + if ( groups == S_ISVTX ) /* The default is "all" */ + groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; + break; + default: + if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) { + and = 0; + or = strtol(--s, 0, 010); + return (TRUE); + } + else + return (FALSE); + } + break; + } + + while ( (c = *s++) != '\0' ) { + switch ( c ) { + case ',': + break; + case 'r': + mode |= S_IRUSR|S_IRGRP|S_IROTH; + continue; + case 'w': + mode |= S_IWUSR|S_IWGRP|S_IWOTH; + continue; + case 'x': + mode |= S_IXUSR|S_IXGRP|S_IXOTH; + continue; + case 's': + mode |= S_IXGRP|S_ISUID|S_ISGID; + continue; + case 't': + mode |= S_ISVTX; + continue; + default: + return (FALSE); + } + break; + } + switch ( type ) { + case '=': + and &= ~(groups); + /* fall through */ + case '+': + or |= mode & groups; + break; + case '-': + and &= ~(mode & groups); + or &= and; + break; + } + } while ( c == ',' ); + return (TRUE); +} +#endif + /* END CODE */ |