Navraj Thapa

ブルアカガチャ、ムカつくという気持ちしかない

> be me > macbook air is bricked, needs a reinstall > no second mac to build a bootable installer > find a github actions workflow that builds macOS installers for free, no mac required > perfect.jpg > trigger a build, artifact is a 17.6GB .dmg.img > click download > kb/s > literal kb/s > theoretical connection is 10MB/s > discover artifact lives on azure blob, signed URL expires in 10 min > write a bash script that resolves the azure SAS url fresh, hands it to aria2c with 16 parallel streams > 16 connections, still kb/s > mfw it's a per-IP throttle, not per-connection > repo author literally has a line in the workflow: "Enable Cloudflare WARP for faster download" > install Cloudflare WARP on my ubuntu box > single stream jumps 20KB/s -> 1.6MB/s > aria2c 16x -> 10MB/s, pinned to my ceiling > 17.6GB in ~an hour, sha256 matches github's published digest > oknowweiscooking.webp > dd it to a USB SSD > paranoid it won't boot apple silicon because it was built on an intel runner > boots apple silicon just fine, i was wrong, shut up > installer runs, reinstall chugs along > STOPS > "OS Personalization" PREFLIGHT_PERSONALIZE portioncomplete:0.15000 estimatedtimeremaining:-1 > 70000 log lines of stalled:NO > the mac can ping apple/com > it can ping cupertino > but personalization "no connections witnessed" > i don't fucking get it > try to sniff the wifi to see what it's talking to > can't > WPA2 isn't a hub, it's a switch, i can't decrypt the mac's traffic as a third client > feel stupid > dig into it > test apple's personalization signing servers from my box > gs/apple/com -> https 000 > gsp-ssl/apple/com -> https 000 > albert/apple/com -> 403 (works) > gs/apple/com is the signing server and it's IPv4-ONLY > my ISP (DIGI, romania) has broken IPv4 routing to apple's 17.0.0.0/8 > ICMP works, IPv6 works, CDN works, the ONE /8 macOS needs to sign firmware is a black hole > that's why it could "ping cupertino" but personalization silently died > fix: repoint the mac's IPv4 default gateway from the router to my ubuntu pc > my pc has IP forwarding + NAT masquerade + Cloudflare WARP > mac's IPv4 now tunnels through cloudflare, bypassing my ISP's broken path > watch the signing handshake complete in tcpdump, SYN -> SYN-ACK -> ClientHello -> kilobytes of signed data > portioncomplete climbs past 0.15 > weactuallydidit.jpg > STOPS AGAIN at 0.29 > silent on IPv4 > oh > the mac's IPv6 still goes straight to the router, bypassing my box > i literally cannot see it > disable IPv6 on the mac so everything falls back to the working IPv4 path > it reboots > flashes the apple logo 4 times > i'm dying > it boots > it works > 29 hours > i had to MITM my own home network because my ISP couldn't route to one (1) /8 > the mac is back > i'm buying a framework >text still isn't green

there's a pop-up ad after you pull a banner unit bro are you fucking serious

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