25 lines
734 B
Diff
25 lines
734 B
Diff
diff --color -ruNp a/misc.c b/misc.c
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--- a/misc.c 2025-12-03 16:19:11.255135131 +0100
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+++ b/misc.c 2025-12-03 16:21:53.769590836 +0100
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@@ -998,7 +998,7 @@ urldecode(const char *src)
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size_t srclen;
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if ((srclen = strlen(src)) >= SIZE_MAX)
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- fatal_f("input too large");
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+ return NULL;
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ret = xmalloc(srclen + 1);
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for (dst = ret; *src != '\0'; src++) {
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switch (*src) {
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@@ -1006,9 +1006,10 @@ urldecode(const char *src)
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*dst++ = ' ';
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break;
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case '%':
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+ /* note: don't allow \0 characters */
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if (!isxdigit((unsigned char)src[1]) ||
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!isxdigit((unsigned char)src[2]) ||
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- (ch = hexchar(src + 1)) == -1) {
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+ (ch = hexchar(src + 1)) == -1 || ch == 0) {
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free(ret);
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return NULL;
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}
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