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openSUSE:Leap:15.3
cups.17819
issue5509-fix-utf-8-validation-issue.patch
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File issue5509-fix-utf-8-validation-issue.patch of Package cups.17819
Index: cups-2.2.7/cups/ipp.c =================================================================== --- cups-2.2.7.orig/cups/ipp.c +++ cups-2.2.7/cups/ipp.c @@ -5074,30 +5074,24 @@ ippValidateAttribute( { if ((*ptr & 0xe0) == 0xc0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80) break; + + ptr ++; } else if ((*ptr & 0xf0) == 0xe0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80) break; + + ptr += 2; } else if ((*ptr & 0xf8) == 0xf0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80 || (ptr[3] & 0xc0) != 0x80) break; + + ptr += 3; } else if (*ptr & 0x80) break; @@ -5132,30 +5126,24 @@ ippValidateAttribute( { if ((*ptr & 0xe0) == 0xc0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80) break; + + ptr ++; } else if ((*ptr & 0xf0) == 0xe0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80) break; + + ptr += 2; } else if ((*ptr & 0xf8) == 0xf0) { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) + if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80 || (ptr[3] & 0xc0) != 0x80) break; + + ptr += 3; } else if (*ptr & 0x80) break;
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