Cal. PEN § 2790

Any person, who, without authority, interferes with or in any way interrupts the work of any convict used pursuant to this article and any person not authorized by law, who gives or attempts to give to any state prison convict so employed any controlled substances, or any intoxicating liquors of any kind whatever, or firearms, weapons or explosives of any kind is guilty of a felony and upon conviction thereof shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 and shall be disqualified from holding any state office or position in the employ of this state. Any person who interferes with the discipline or good conduct of any convict used pursuant to this article, while that convict is in such camps is guilty of a misdemeanor and upon conviction thereof shall be punished by imprisonment in the county jail for a term not more than six months, or by a fine of not more than four hundred dollars ($400), or by both that fine and imprisonment. Any peace officer or any officer or guard of any state prison or any superintendent of that work, having in charge the convicts used in those camps, may arrest without a warrant any person violating any provisions of this article.