Module: kamailio Branch: master Commit: 045d44762ce7cd267e64849c1c138d45b1fa040f URL: https://github.com/kamailio/kamailio/commit/045d44762ce7cd267e64849c1c138d45...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2018-03-03T07:39:45+01:00

core: check return of dlsym() before dlerror() handling

- cope with the case when dlerror is not reset by dlsym - related to GH #1465

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Modified: src/core/sr_module.c

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Diff: https://github.com/kamailio/kamailio/commit/045d44762ce7cd267e64849c1c138d45... Patch: https://github.com/kamailio/kamailio/commit/045d44762ce7cd267e64849c1c138d45...

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diff --git a/src/core/sr_module.c b/src/core/sr_module.c index 594f3d6af8..8a195fc12d 100644 --- a/src/core/sr_module.c +++ b/src/core/sr_module.c @@ -630,11 +630,14 @@ int load_module(char* mod_path) if(expref.len>3 && strcmp(expref.s+expref.len-3, ".so")==0) expref.len -= 3; snprintf(exbuf, 62, "_%.*s_exports", expref.len, expref.s); - exp = (union module_exports_u*)dlsym(handle, exbuf); LM_DBG("looking up exports with name: %s\n", exbuf); - if ( (error =(char*)dlerror())!=0 ){ - LM_ERR("%s\n", error); - goto error1; + exp = (union module_exports_u*)dlsym(handle, exbuf); + if(exp==NULL) { + if ( (error =(char*)dlerror())!=0 ){ + LM_ERR("failure for exports symbol: %s - dlerror: %s\n", + exbuf, error); + goto error1; + } } } /* hack to allow for kamailio style dlflags inside exports */