admin
37e12c82a7
Capture on the box disproved the first theory: macOS DOES send a correct NBNS query for <NAME><20> and nmbd DOES answer it correctly in 140us (flags 0x8580, RCODE=0, right address) - macOS just never acts on it. NetBIOS there feeds legacy browsing, not smb:// URL resolution, so the bare name can never work on a Mac and nmbd was never the broken part. felhom-samba 1.1.0 adds avahi + dbus, with avahi-daemon.conf and the _smb._tcp service file templated from FELHOM_SERVER_NAME so a rename re-advertises. Both daemons are non-fatal on failure - a discovery gap must not become an outage. v0.151.0's card offered smb://<NAME> for Mac, which is exactly the dead form; now smb://<NAME>.local. Windows keeps the flat \\<NAME>, which nmbd serves correctly. Red-proofed both directions. NOT claimed: Finder-sidebar discovery - published and answering on the wire, but not observed working on the test Mac. Recorded OPEN. TestRenderSambaCompose pinned the literal 1.0.0 tag, so an image bump read as a renderer regression; now derives from SambaImage and asserts non-:latest.
84 lines
3.5 KiB
Bash
84 lines
3.5 KiB
Bash
#!/bin/sh
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# felhom-samba entrypoint (R-7 slice 1). A dumb supervisor: smb.conf is bind-mounted
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# READ-ONLY by the controller, so nothing here templates config or bakes a secret. It
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# only ensures the household unix user exists (uid:gid 1000) and launches the three
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# discovery daemons. Verdict source: SPIKE-lan-discovery-2026-07-18 (S4/S4b).
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set -e
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FELHOM_UID="${FELHOM_UID:-1000}"
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FELHOM_GID="${FELHOM_GID:-1000}"
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SERVER_NAME="${FELHOM_SERVER_NAME:-FELHOM}"
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IFACE="${FELHOM_IFACE:-eth0}"
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# Household group/user at uid:gid 1000 — files written over SMB then match the app +
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# backup ownership convention (smb.conf sets `force user = felhom` per share).
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if ! getent group "$FELHOM_GID" >/dev/null 2>&1; then
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addgroup -g "$FELHOM_GID" felhom 2>/dev/null || true
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fi
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GRP_NAME="$(getent group "$FELHOM_GID" 2>/dev/null | cut -d: -f1)"
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[ -z "$GRP_NAME" ] && GRP_NAME=felhom
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if ! getent passwd "$FELHOM_UID" >/dev/null 2>&1; then
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adduser -D -H -u "$FELHOM_UID" -G "$GRP_NAME" -s /sbin/nologin felhom 2>/dev/null || true
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fi
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mkdir -p /var/lib/samba/private /run/samba
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# --- mDNS / Bonjour (v1.1.0) -------------------------------------------------------------
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# THE macOS path. Templated from SERVER_NAME rather than baked, so renaming the server in the
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# UI re-advertises under the new name on the next container recreate — a baked name would
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# leave the box answering to something the customer no longer sees anywhere.
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#
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# A STATIC service file, deliberately, rather than smbd's own `multicast dns register`: it
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# needs no line in smb.conf (which is bind-mounted READ-ONLY and owned by the controller's
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# renderer) and it lets us publish _device-info._tcp so the Finder shows a sensible icon
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# instead of a generic globe.
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mkdir -p /etc/avahi/services /run/dbus
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cat > /etc/avahi/avahi-daemon.conf <<CONF
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[server]
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host-name=${SERVER_NAME}
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use-ipv4=yes
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use-ipv6=no
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allow-interfaces=${IFACE}
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ratelimit-interval-usec=1000000
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ratelimit-burst=1000
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[wide-area]
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enable-wide-area=no
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[publish]
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publish-addresses=yes
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publish-hinfo=no
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publish-workstation=no
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CONF
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cat > /etc/avahi/services/smb.service <<CONF
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<?xml version="1.0" standalone='no'?><!DOCTYPE service-group SYSTEM "avahi-service.dtd">
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<service-group>
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<name replace-wildcards="yes">%h</name>
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<service>
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<type>_smb._tcp</type>
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<port>445</port>
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</service>
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<service>
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<type>_device-info._tcp</type>
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<port>0</port>
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<txt-record>model=RackMac</txt-record>
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</service>
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</service-group>
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CONF
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echo "[felhom-samba] launching nmbd + wsdd + avahi + smbd (server=${SERVER_NAME} iface=${IFACE} uid=${FELHOM_UID})"
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# nmbd: NetBIOS flat-name resolution so \\<NAME> resolves and mounts on WINDOWS (the S4b fix).
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# It does NOT serve macOS — see the Dockerfile header for the captured proof.
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nmbd --daemon --no-process-group
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# wsdd: WS-Discovery so the box appears in Windows Explorer's Network view.
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wsdd -i "$IFACE" -4 -H 4 -s -n "$SERVER_NAME" -w WORKGROUP &
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# dbus + avahi: mDNS, so `smb://<NAME>.local` resolves and the box appears in the Finder sidebar.
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# Non-fatal on failure: sharing over an address still works, and refusing to start smbd because
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# a discovery daemon did not come up would turn a convenience gap into an outage.
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dbus-daemon --system --fork 2>/dev/null || echo "[felhom-samba] WARN: dbus failed to start — mDNS disabled"
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avahi-daemon --daemonize --no-drop-root 2>/dev/null || echo "[felhom-samba] WARN: avahi failed to start — mDNS disabled"
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# smbd in the foreground = the container's main process.
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exec smbd --foreground --no-process-group
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