Syscall BSD#474
svc · unix #474
symlinkat
Crée un lien symbolique dont le chemin du lien est résolu relativement à un descripteur de répertoire.
Prototype
int symlinkat(user_addr_t *path1, int fd, user_addr_t path2);Retour: int
Arguments
| Name | Type | Dir | Description |
|---|---|---|---|
| path1 | user_addr_t | - | |
| fd | int | - | |
| path2 | user_addr_t | - |
Historique des versions
| XNU tag | macOS | # |
|---|---|---|
| xnu-2782.40.9 | macOS 10.10 Yosemite | 474 |
| xnu-3247.1.106 | macOS 10.11 El Capitan | 474 |
| xnu-3789.1.32 | macOS 10.12 Sierra | 474 |
| xnu-4570.1.46 | macOS 10.13 High Sierra | 474 |
| xnu-4903.221.2 | macOS 10.14 Mojave | 474 |
| xnu-6153.11.26 | macOS 10.15 Catalina | 474 |
| xnu-7195.50.7.100.1 | macOS 11.0 Big Sur | 474 |
| xnu-8019.41.5 | macOS 12.0 Monterey | 474 |
| xnu-8792.41.9 | macOS 13.0 Ventura | 474 |
| xnu-10002.1.13 | macOS 14.0 Sonoma | 474 |
| xnu-11215.1.10 | macOS 15.0 Sequoia | 474 |
| xnu-11417.101.15 | macOS 15.4 Sequoia | 474 |
| xnu-12377.1.9 | macOS 26.0 Tahoe | 474 |
| xnu-10002.41.9 | — | 474 |
| xnu-10002.61.3 | — | 474 |
| xnu-10002.81.5 | — | 474 |
| xnu-10063.101.15 | — | 474 |
| xnu-10063.121.3 | — | 474 |
| xnu-10063.141.1 | — | 474 |
| xnu-11215.41.3 | — | 474 |
| xnu-11215.61.5 | — | 474 |
| xnu-11215.81.4 | — | 474 |
| xnu-11417.121.6 | — | 474 |
| xnu-11417.140.69 | — | 474 |
| xnu-12377.101.15 | — | 474 |
| xnu-12377.41.6 | — | 474 |
| xnu-12377.61.12 | — | 474 |
| xnu-12377.81.4 | — | 474 |
| xnu-2782.1.97 | — | 474 |
| xnu-2782.10.72 | — | 474 |
| xnu-2782.20.48 | — | 474 |
| xnu-2782.30.5 | — | 474 |
| xnu-3247.10.11 | — | 474 |
| xnu-3248.20.55 | — | 474 |
| xnu-3248.30.4 | — | 474 |
| xnu-3248.40.184 | — | 474 |
| xnu-3248.50.21 | — | 474 |
| xnu-3248.60.10 | — | 474 |
| xnu-3789.21.4 | — | 474 |
| xnu-3789.31.2 | — | 474 |
| xnu-3789.41.3 | — | 474 |
| xnu-3789.51.2 | — | 474 |
| xnu-3789.60.24 | — | 474 |
| xnu-3789.70.16 | — | 474 |
| xnu-4570.20.62 | — | 474 |
| xnu-4570.31.3 | — | 474 |
| xnu-4570.41.2 | — | 474 |
| xnu-4570.51.1 | — | 474 |
| xnu-4570.61.1 | — | 474 |
| xnu-4570.71.2 | — | 474 |
| xnu-4903.231.4 | — | 474 |
| xnu-4903.241.1 | — | 474 |
| xnu-4903.270.47 | — | 474 |
| xnu-6153.101.6 | — | 474 |
| xnu-6153.121.1 | — | 474 |
| xnu-6153.141.1 | — | 474 |
| xnu-6153.41.3 | — | 474 |
| xnu-6153.61.1 | — | 474 |
| xnu-6153.81.5 | — | 474 |
| xnu-7195.101.1 | — | 474 |
| xnu-7195.121.3 | — | 474 |
| xnu-7195.141.2 | — | 474 |
| xnu-7195.60.75 | — | 474 |
| xnu-7195.81.3 | — | 474 |
| xnu-8019.61.5 | — | 474 |
| xnu-8019.80.24 | — | 474 |
| xnu-8020.101.4 | — | 474 |
| xnu-8020.121.3 | — | 474 |
| xnu-8020.140.41 | — | 474 |
| xnu-8792.61.2 | — | 474 |
| xnu-8792.81.2 | — | 474 |
| xnu-8796.101.5 | — | 474 |
| xnu-8796.121.2 | — | 474 |
| xnu-8796.141.3 | — | 474 |
Notes
La chaîne cible elle-même n'est pas interprétée par le noyau avant déréférenciation, donc elle peut désigner des chemins inexistants ou hors du dirfd. Les profils sandbox interdisent souvent les symlinks pointant hors d'un préfixe autorisé.
Détection
ES NOTIFY_CREATE expose le nouveau lien. syscall::symlinkat:entry montre dirfd, target et linkpath.
API associées
symlinkreadlinkatlinkatopenat