tomoyo_path_permission(9)

🌈 tomoyo_path_permission — Kernel API Manual 🌈

💖 NAME 💖

tomoyo_path_permission — check permission for single path operation. periodt. 🎀

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✨ SYNOPSIS ✨

okay bestie, here’s the signature copied exactly so nobody has to squint:

int tomoyo_path_permission (struct tomoyo_request_info *r , u8 operation , const struct tomoyo_path_info *filename );

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🎀 ARGUMENTS 🎀

• r — pointer to struct tomoyo_request_info. yes, that request-info struct, iykyk. 💅
• operation — type of operation. literally the operation type. ✨
• filename — filename to check. the filename to check, no cap. 🍓

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🦋 DESCRIPTION 🦋

Bestie, the whole contract is short and sweet: it returns 0 on success, and a negative value otherwise. that’s the entire return vibe. 💖

Also important, straight from the og: caller holds tomoyo_read_lock. yes, that’s part of the deal — don’t forget it. 🌸

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💅 SEE ALSO 💅

the kernel file is ./security/tomoyo/file.c, and the friend group is huge — every single one of these refs is invited, no skips:

• tomoyo_put_name_union(9)
• tomoyo_compare_name_union(9)
• tomoyo_put_number_union(9)
• tomoyo_compare_number_union(9)
• tomoyo_add_slash(9)
• tomoyo_get_realpath(9)
• tomoyo_audit_path_log(9)
• tomoyo_audit_path2_log(9)
• tomoyo_audit_mkdev_log(9)
• tomoyo_audit_path_number_log(9)
• tomoyo_check_path_acl(9)
• tomoyo_check_path_number_acl(9)
• tomoyo_check_path2_acl(9)
• tomoyo_check_mkdev_acl(9)
• tomoyo_same_path_acl(9)
• tomoyo_merge_path_acl(9)
• tomoyo_update_path_acl(9)
• tomoyo_same_mkdev_acl(9)
• tomoyo_merge_mkdev_acl(9)
• tomoyo_update_mkdev_acl(9)
• tomoyo_same_path2_acl(9)
• tomoyo_merge_path2_acl(9)
• tomoyo_update_path2_acl(9)
• tomoyo_execute_permission(9)
• tomoyo_same_path_number_acl(9)
• tomoyo_merge_path_number_acl(9)
• tomoyo_update_path_number_acl(9)
• tomoyo_path_number_perm(9)
• tomoyo_check_open_permission(9)
• tomoyo_path_perm(9)
• tomoyo_mkdev_perm(9)
• tomoyo_path2_perm(9)
• tomoyo_same_mount_acl(9)
• tomoyo_update_mount_acl(9)
• tomoyo_write_file(9)

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💖 signed off from ./security/tomoyo, October 2026 — tomoyo_path_permission(9) out. slay and stay safe, bestie 🫶