oysteikt/heimdal
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add some loopback detection in GSS dynamic loading

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This commit is contained in:
Luke Howard
2011-05-13 02:26:41 +02:00
parent ad69ac97b1
commit 6971125a79
1 changed files with 6 additions and 1 deletions
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7
lib/gssapi/mech/gss_mech_switch.c
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@@ -152,7 +152,8 @@ _gss_string_to_oid(const char* s, gss_OID oid)
#define SYM(name) \ #define SYM(name) \
do { \ do { \
m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \ m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \
if (!m->gm_mech.gm_ ## name) { \ if (!m->gm_mech.gm_ ## name || \
m->gm_mech.gm_ ##name == gss_ ## name) { \
fprintf(stderr, "can't find symbol gss_" #name "\n"); \ fprintf(stderr, "can't find symbol gss_" #name "\n"); \
goto bad; \ goto bad; \
} \ } \
@@ -161,6 +162,8 @@ do { \
#define OPTSYM(name) \ #define OPTSYM(name) \
do { \ do { \
m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \ m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \
if (m->gm_mech.gm_ ## name == gss_ ## name) \
m->gm_mech.gm_ ## name = NULL; \
} while (0) } while (0)
#define OPTSPISYM(name) \ #define OPTSPISYM(name) \
@@ -171,6 +174,8 @@ do { \
#define COMPATSYM(name) \ #define COMPATSYM(name) \
do { \ do { \
m->gm_mech.gm_compat->gmc_ ## name = dlsym(so, "gss_" #name); \ m->gm_mech.gm_compat->gmc_ ## name = dlsym(so, "gss_" #name); \
if (m->gm_mech.gm_compat->gmc_ ## name == gss_ ## name) \
m->gm_mech.gm_compat->gmc_ ## name = NULL; \
} while (0) } while (0)
/* /*