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replace_untrusted_chars: replace all whitespace with space

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This commit is contained in:
Scott James Remnant 2007-05-16 20:00:29 +02:00 committed by Kay Sievers
parent 05610c088e
commit ca4f2c41b0
1 changed files with 11 additions and 1 deletions
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12
udev_utils_string.c
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@ -229,15 +229,17 @@ int replace_untrusted_chars(char *str)
if ((str[i] >= '0' && str[i] <= '9') ||
(str[i] >= 'A' && str[i] <= 'Z') ||
(str[i] >= 'a' && str[i] <= 'z') ||
strchr(" #$%+-./:=?@_,", str[i])) {
strchr("#$%+-./:=?@_,", str[i])) {
i++;
continue;
}
/* hex encoding */
if (str[i] == '\\' && str[i+1] == 'x') {
i += 2;
continue;
}
/* valid utf8 is accepted */
len = utf8_encoded_valid_unichar(&str[i]);
if (len > 1) {
@ -245,6 +247,14 @@ int replace_untrusted_chars(char *str)
continue;
}
/* whitespace replaced with ordinary space */
if (isspace(str[i])) {
str[i] = ' ';
i++;
replaced++;
continue;
}
/* everything else is garbage */
str[i] = '_';
i++;