[nokia] Replace os.system and remove subprocess with shell=True#12100
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maipbui merged 6 commits intosonic-net:masterfrom Dec 1, 2022
Merged
[nokia] Replace os.system and remove subprocess with shell=True#12100maipbui merged 6 commits intosonic-net:masterfrom
maipbui merged 6 commits intosonic-net:masterfrom
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Signed-off-by: maipbui <maibui@microsoft.com>
Signed-off-by: maipbui <maibui@microsoft.com>
Signed-off-by: maipbui <maibui@microsoft.com>
Signed-off-by: maipbui <maibui@microsoft.com>
qiluo-msft
reviewed
Sep 18, 2022
| os.system("echo 24c02 0x53 > /sys/class/i2c-adapter/i2c-0/new_device") | ||
| file = "/sys/class/i2c-adapter/i2c-0/new_device" | ||
| with open(file, 'w') as f: | ||
| f.write('24c02 0x53') |
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qiluo-msft
reviewed
Sep 18, 2022
| # Write sys led | ||
| if smbus_present == 0: # called from host (e.g. 'show system-health') | ||
| cmdstatus, value = cmd.getstatusoutput('sudo i2cset -y 0 0x41 0x7 %d' % value) | ||
| cmdstatus, value = getstatusoutput_noshell(['sudo', 'i2cset', '-y', '0', '0x41', '0x7', value]) |
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Signed-off-by: maipbui <maibui@microsoft.com>
qiluo-msft
approved these changes
Sep 19, 2022
maipbui
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Signed-off-by: maipbui <maibui@microsoft.com>
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@carl-nokia @dflynn-Nokia Could you help review and verify? |
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@mlok-nokia Could you help review and verify? |
maipbui
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/azp run Azure.sonic-buildimage |
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Azure Pipelines successfully started running 1 pipeline(s). |
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@Blueve is connecting Nokia reviewers. |
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I am ok with the change. Thanks |
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Signed-off-by: maipbui maibui@microsoft.com
Dependency: #12065
Why I did it
subprocess.Popen()andsubprocess.run()is used withshell=True, which is very dangerous for shell injection.os- not secure against maliciously constructed input and dangerous if used to evaluate dynamic contentgetstatusoutputis dangerous because it containsshell=Truein the implementationHow I did it
Replace
osbysubprocess, use withshell=FalseRemove unused functions
How to verify it
Which release branch to backport (provide reason below if selected)
Description for the changelog
Ensure to add label/tag for the feature raised. example - PR#2174 where, Generic Config and Update feature has been labelled as GCU.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)