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author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2019-10-24 01:29:29 -0500 |
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committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2019-10-24 01:29:29 -0500 |
commit | 725e3f9f0c401aa34bb0d3d01bb8119797d038f7 (patch) | |
tree | b0c50230f073208d9c31e9e181c50deee74a4d72 /hscript | |
parent | 240ff8c1d9e5b03d27804490767c15b7877305a2 (diff) | |
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hscript: Ensure netaddress iface name is < IFNAMSIZ
Diffstat (limited to 'hscript')
-rw-r--r-- | hscript/network.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hscript/network.cc b/hscript/network.cc index b751e7e..e8f27b9 100644 --- a/hscript/network.cc +++ b/hscript/network.cc @@ -62,6 +62,13 @@ Key *NetAddress::parseFromData(const std::string &data, int lineno, int *errors, type_pos = data.find_first_of(' '); iface = data.substr(0, type_pos); + if(iface.length() > IFNAMSIZ) { + if(errors) *errors += 1; + output_error("installfile:" + std::to_string(lineno), + "netaddress: interface name '" + iface + "' is invalid", + "interface names must be 16 characters or less"); + return nullptr; + } /* theory: addr_pos could be npos, but that means 'read to end' anyway */ addr_pos = data.find_first_of(' ', type_pos + 1); if(addr_pos == std::string::npos) next_end = std::string::npos; |