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Fix crash on WWW-Authenticate header with no realm (1686714) 

svn path=/trunk/netsurf/; revision=3216
This commit is contained in:
John Mark Bell 2007-03-23 22:39:10 +00:00
parent 64b229d0d6
commit 91cfb11592
1 changed files with 14 additions and 11 deletions
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25
content/fetch.c
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@ -1167,21 +1167,24 @@ size_t fetch_curl_header(char *data, size_t size, size_t nmemb,
}
SKIP_ST(17);
while (i < (int) size && strncasecmp(data + i, "realm", 5))
while (i < (int) size - 5 &&
strncasecmp(data + i, "realm", 5))
i++;
while (i < (int)size && data[++i] != '"')
while (i < (int) size - 1 && data[++i] != '"')
/* */;
i++;
strncpy(f->realm, data + i, size - i);
f->realm[size - i] = '\0';
for (i = size - i - 1; i >= 0 &&
(f->realm[i] == ' ' ||
f->realm[i] == '"' ||
f->realm[i] == '\t' ||
f->realm[i] == '\r' ||
f->realm[i] == '\n'); --i)
f->realm[i] = '\0';
if (i < (int) size) {
strncpy(f->realm, data + i, size - i);
f->realm[size - i] = '\0';
for (i = size - i - 1; i >= 0 &&
(f->realm[i] == ' ' ||
f->realm[i] == '"' ||
f->realm[i] == '\t' ||
f->realm[i] == '\r' ||
f->realm[i] == '\n'); --i)
f->realm[i] = '\0';
}
#endif
} else if (5 < size && strncasecmp(data, "Date:", 5) == 0) {
/* extract Date header */