From 5c6e5aa496804451fc94d00a7cf9be2e3051ae29 Mon Sep 17 00:00:00 2001 From: Ronnie Sahlberg Date: Wed, 21 Oct 2020 10:37:11 +1000 Subject: [PATCH] cifs: move security mount options into fs_context.ch This patch moves the parsing of security mount options into fs_context.ch. There are no changes to any logic. Signed-off-by: Ronnie Sahlberg Signed-off-by: Steve French Reviewed-by: Aurelien Aptel --- fs/cifs/connect.c | 85 +------------------------------------------- fs/cifs/fs_context.c | 76 +++++++++++++++++++++++++++++++++++++++ fs/cifs/fs_context.h | 20 ++++++++++- 3 files changed, 96 insertions(+), 85 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 3a9980bf0d6e..c2a92e26fef4 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -61,6 +61,7 @@ #ifdef CONFIG_CIFS_DFS_UPCALL #include "dfs_cache.h" #endif +#include "fs_context.h" extern mempool_t *cifs_req_poolp; extern bool disable_legacy_dialects; @@ -279,33 +280,6 @@ static const match_table_t cifs_mount_option_tokens = { { Opt_err, NULL } }; -enum { - Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p, - Opt_sec_ntlmsspi, Opt_sec_ntlmssp, - Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2, - Opt_sec_ntlmv2i, Opt_sec_lanman, - Opt_sec_none, - - Opt_sec_err -}; - -static const match_table_t cifs_secflavor_tokens = { - { Opt_sec_krb5, "krb5" }, - { Opt_sec_krb5i, "krb5i" }, - { Opt_sec_krb5p, "krb5p" }, - { Opt_sec_ntlmsspi, "ntlmsspi" }, - { Opt_sec_ntlmssp, "ntlmssp" }, - { Opt_ntlm, "ntlm" }, - { Opt_sec_ntlmi, "ntlmi" }, - { Opt_sec_ntlmv2, "nontlm" }, - { Opt_sec_ntlmv2, "ntlmv2" }, - { Opt_sec_ntlmv2i, "ntlmv2i" }, - { Opt_sec_lanman, "lanman" }, - { Opt_sec_none, "none" }, - - { Opt_sec_err, NULL } -}; - /* cache flavors */ enum { Opt_cache_loose, @@ -1372,63 +1346,6 @@ static int get_option_gid(substring_t args[], kgid_t *result) return 0; } -static int cifs_parse_security_flavors(char *value, - struct smb_vol *vol) -{ - - substring_t args[MAX_OPT_ARGS]; - - /* - * With mount options, the last one should win. Reset any existing - * settings back to default. - */ - vol->sectype = Unspecified; - vol->sign = false; - - switch (match_token(value, cifs_secflavor_tokens, args)) { - case Opt_sec_krb5p: - cifs_dbg(VFS, "sec=krb5p is not supported!\n"); - return 1; - case Opt_sec_krb5i: - vol->sign = true; - fallthrough; - case Opt_sec_krb5: - vol->sectype = Kerberos; - break; - case Opt_sec_ntlmsspi: - vol->sign = true; - fallthrough; - case Opt_sec_ntlmssp: - vol->sectype = RawNTLMSSP; - break; - case Opt_sec_ntlmi: - vol->sign = true; - fallthrough; - case Opt_ntlm: - vol->sectype = NTLM; - break; - case Opt_sec_ntlmv2i: - vol->sign = true; - fallthrough; - case Opt_sec_ntlmv2: - vol->sectype = NTLMv2; - break; -#ifdef CONFIG_CIFS_WEAK_PW_HASH - case Opt_sec_lanman: - vol->sectype = LANMAN; - break; -#endif - case Opt_sec_none: - vol->nullauth = 1; - break; - default: - cifs_dbg(VFS, "bad security option: %s\n", value); - return 1; - } - - return 0; -} - static int cifs_parse_cache_flavor(char *value, struct smb_vol *vol) { diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index f50dfc2d2e44..dd9da734e346 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -6,3 +6,79 @@ * David Howells */ +#include "cifsglob.h" +#include "cifs_debug.h" +#include "fs_context.h" + +static const match_table_t cifs_secflavor_tokens = { + { Opt_sec_krb5, "krb5" }, + { Opt_sec_krb5i, "krb5i" }, + { Opt_sec_krb5p, "krb5p" }, + { Opt_sec_ntlmsspi, "ntlmsspi" }, + { Opt_sec_ntlmssp, "ntlmssp" }, + { Opt_ntlm, "ntlm" }, + { Opt_sec_ntlmi, "ntlmi" }, + { Opt_sec_ntlmv2, "nontlm" }, + { Opt_sec_ntlmv2, "ntlmv2" }, + { Opt_sec_ntlmv2i, "ntlmv2i" }, + { Opt_sec_lanman, "lanman" }, + { Opt_sec_none, "none" }, + + { Opt_sec_err, NULL } +}; + +int cifs_parse_security_flavors(char *value, struct smb_vol *vol) +{ + + substring_t args[MAX_OPT_ARGS]; + + /* + * With mount options, the last one should win. Reset any existing + * settings back to default. + */ + vol->sectype = Unspecified; + vol->sign = false; + + switch (match_token(value, cifs_secflavor_tokens, args)) { + case Opt_sec_krb5p: + cifs_dbg(VFS, "sec=krb5p is not supported!\n"); + return 1; + case Opt_sec_krb5i: + vol->sign = true; + fallthrough; + case Opt_sec_krb5: + vol->sectype = Kerberos; + break; + case Opt_sec_ntlmsspi: + vol->sign = true; + fallthrough; + case Opt_sec_ntlmssp: + vol->sectype = RawNTLMSSP; + break; + case Opt_sec_ntlmi: + vol->sign = true; + fallthrough; + case Opt_ntlm: + vol->sectype = NTLM; + break; + case Opt_sec_ntlmv2i: + vol->sign = true; + fallthrough; + case Opt_sec_ntlmv2: + vol->sectype = NTLMv2; + break; +#ifdef CONFIG_CIFS_WEAK_PW_HASH + case Opt_sec_lanman: + vol->sectype = LANMAN; + break; +#endif + case Opt_sec_none: + vol->nullauth = 1; + break; + default: + cifs_dbg(VFS, "bad security option: %s\n", value); + return 1; + } + + return 0; +} diff --git a/fs/cifs/fs_context.h b/fs/cifs/fs_context.h index 082f286f923e..87747ef7a2d3 100644 --- a/fs/cifs/fs_context.h +++ b/fs/cifs/fs_context.h @@ -9,7 +9,25 @@ #ifndef _FS_CONTEXT_H #define _FS_CONTEXT_H +#include +#include "cifsglob.h" +enum cifs_sec_param { + Opt_sec_krb5, + Opt_sec_krb5i, + Opt_sec_krb5p, + Opt_sec_ntlmsspi, + Opt_sec_ntlmssp, + Opt_ntlm, + Opt_sec_ntlmi, + Opt_sec_ntlmv2, + Opt_sec_ntlmv2i, + Opt_sec_lanman, + Opt_sec_none, + + Opt_sec_err +}; + +int cifs_parse_security_flavors(char *value, struct smb_vol *vol); #endif -