mirror of
https://github.com/jayofelony/pwnagotchi.git
synced 2025-07-01 18:37:27 -04:00
Jeroen Oudshoorn
@ -1,164 +1,40 @@
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#
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# Install nexmon brcmfmac firmware and drivers from source as needed
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#
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# Install nexmon to fix wireless scanning (takes 2.5G of space)
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- name: clone nexmon repository
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git:
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repo: https://github.com/DrSchottky/nexmon.git
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dest: /usr/local/src/nexmon
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- name: "Check for /lib/modules/{{ item.kernel }}/build to see if we can"
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stat: path="/lib/modules/{{item.kernel}}/build"
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register: kernel_headers
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- name: make firmware
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shell: "source ./setup_env.sh && make"
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args:
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executable: /bin/bash
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chdir: /usr/local/src/nexmon/
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- name: "Kernel {{item.kernel}} exists; installing nexmon"
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when:
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- kernel_headers.stat.exists
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block:
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- name: "Check for staged firmware {{ item.firmware }}"
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stat: path="{{ staging }}/firmware/{{ item.firmware }}"
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register: firmware
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- name: make firmware patch
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shell: "source ./setup_env.sh && cd /usr/local/src/nexmon/patches/{{ item.patch }}/nexmon/ && make"
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args:
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executable: /bin/bash
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chdir: /usr/local/src/nexmon/
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environment:
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QEMU_UNAME: "{{ item.kernel }}"
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ARCHFLAGS: "{{ item.arch_flags }}"
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- name: "Check for staged kernel module {{ item.kernel }}/brcmfmac.ko"
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stat: path="{{ staging }}/modules/{{ item.kernel }}/brcmfmac.ko"
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register: kmodule
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- name: install new firmware (bcm43455c0)
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copy:
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src: "/usr/local/src/nexmon/patches/{{ item.patch }}/nexmon/{{ item.firmware }}"
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dest: "/usr/lib/firmware/brcm/{{ item.firmware }}"
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follow: true
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environment:
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QEMU_UNAME: "{{ item.kernel }}"
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ARCHFLAGS: "{{ item.arch_flags }}"
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- name: Build nexmon as needed
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when:
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- not firmware.stat.exists or not kmodule.stat.exists
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block:
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- name: backup original driver
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command: "mv /usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko.xz /usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko.xz.orig"
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- name: Check for existence of nexmon repo
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stat: path="/usr/local/src/nexmon"
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register: nexmongit
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- name: copy modified driver
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copy:
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src: "/usr/local/src/nexmon/patches/driver/brcmfmac_6.1.y-nexmon/brcmfmac.ko"
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dest: "/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko"
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- name: clone nexmon repository
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when: not nexmongit.stat.exists
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git:
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repo: "https://github.com/DrSchottky/nexmon.git"
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dest: /usr/local/src/nexmon
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register: nexmongit
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- name: prepare nexmon build tree
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when: nexmongit.changed
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shell: "source ./setup_env.sh && make"
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args:
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executable: /bin/bash
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chdir: /usr/local/src/nexmon/
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- name: Build firmware if needed
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when: not firmware.stat.exists
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environment:
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QEMU_UNAME: "{{ item.kernel }}"
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ARCHFLAGS: "{{ item.arch_flags }}"
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block:
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- name: "make firmware patch {{ item.patch }}"
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shell: |
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source ./setup_env.sh
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cd patches/{{ item.patch }}/nexmon/
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make clean
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make
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args:
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executable: /bin/bash
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chdir: /usr/local/src/nexmon/
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- name: make firmware staging dir
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file:
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state: directory
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path: "{{ staging }}/firmware"
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- name: 'copy firmware {{ item.firmware }} to staging directory'
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copy:
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src: '/usr/local/src/nexmon/patches/{{ item.patch }}/nexmon/{{ item.firmware }}'
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dest: '{{ staging }}/firmware/'
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follow: true
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- name: Build module as needed
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when: not kmodule.stat.exists
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environment:
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QEMU_UNAME: "{{ item.kernel }}"
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ARCHFLAGS: "{{ item.arch_flags }}"
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block:
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- name: "make brcmfmac.ko module {{ item.kernel }}"
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when: firmware.stat.exists
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# if not firmware.stat.exists, then module would have been installed above
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shell: |
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export QEMU_UNAME={{ item.kernel }}
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uname -a
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source ./setup_env.sh
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cd patches/{{ item.patch }}/nexmon/
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make clean
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make brcmfmac.ko
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args:
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executable: /bin/bash
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chdir: /usr/local/src/nexmon/
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environment:
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QEMU_UNAME: "{{ item.kernel }}"
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ARCHFLAGS: "{{ item.arch_flags }}"
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- name: make modules staging dir
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file:
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state: directory
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path: "{{ staging }}/modules/{{ item.kernel }}"
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- name: copy modified driver to staging
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copy:
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src: "/usr/local/src/nexmon/patches/driver/brcmfmac_{{ kernel.min }}.y-nexmon/brcmfmac.ko"
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dest: "{{ staging }}/modules/{{ item.kernel }}/brcmfmac.ko"
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follow: true
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register: brcmfmac_installed
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# end of nexmon build block. products should now be in staging if they were not already
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# check again, just to be sure
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- name: "Check for staged firmware {{ item.firmware }}"
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stat: path="{{ staging }}/firmware/{{ item.firmware }}"
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register: firmware
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# install nexmon firmware from staging directory
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- name: 'install nexmon firmware {{ item.firmware }}'
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when: firmware.stat.exists
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block:
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- name: "Install nexmon firware in /usr/lib/firmware/brcm"
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copy:
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src: '{{ staging }}/firmware/{{ item.firmware }}'
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dest: '/usr/lib/firmware/brcm/{{ item.firmware }}'
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follow: true
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- name: "Check for staged kernel module {{ item.kernel }}/brcmfmac.ko"
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stat: path="{{ staging }}/modules/{{ item.kernel }}/brcmfmac.ko"
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register: kmodule
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- name: "Install kernel module {{ item.kernel }}/brcmfmac.ko from staging"
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when: kmodule.stat.exists
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block:
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# remove originals, and keep track
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- name: "Remove old compressed kernel module (if there)"
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file:
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state: absent
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path: "/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko.xz"
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register: brcmfmac_ko_xz
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ignore_errors: true
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- name: "Remove old uncompressed kernel module (if there)"
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file:
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state: absent
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path: "/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko"
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register: brcmfmac_ko
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ignore_errors: true
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- name: "install nexmon kernel driver {{item.kernel}}"
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copy:
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src: "{{ staging }}/modules/{{ item.kernel }}/brcmfmac.ko"
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dest: "/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko"
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follow: true
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register: brcmfmac_installed
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- name: "xz compress driver: {{brcmfmac_ko_xz.changed}}"
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when: brcmfmac_ko_xz.changed
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command: xz -k brcmfmac.ko
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args:
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chdir: '/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac'
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- name: "remove uncompressed driver: {{brcmfmac_ko.changed}}"
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when: not brcmfmac_ko.changed
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file:
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state: absent
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path: "/usr/lib/modules/{{ item.kernel }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko"
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- name: update module dependencies
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command: "/sbin/depmod -a {{ item.kernel }}"
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- name : load brcmfmac drivers
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command: "/sbin/depmod -a {{ item.kernel}}"
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