X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Ffake-getaddrinfo.c;h=9aaddaf8c2fe2f6270558765b1ee17abaa34cda6;hb=refs%2Fheads%2Fencrypted-storage;hp=df3d34764dc9680dd1d625cd10ed94e2bdfb19d0;hpb=35b1c25093a478d20e01f0ff391c9cdc9c41c2b8;p=meshlink diff --git a/src/fake-getaddrinfo.c b/src/fake-getaddrinfo.c index df3d3476..9aaddaf8 100644 --- a/src/fake-getaddrinfo.c +++ b/src/fake-getaddrinfo.c @@ -11,25 +11,26 @@ #include "system.h" -#include "ipv4.h" -#include "ipv6.h" #include "fake-getaddrinfo.h" #include "xalloc.h" #if !HAVE_DECL_GAI_STRERROR char *gai_strerror(int ecode) { - switch (ecode) { - case EAI_NODATA: - return "No address associated with hostname"; - case EAI_MEMORY: - return "Memory allocation failure"; - case EAI_FAMILY: - return "Address family not supported"; - default: - return "Unknown error"; + switch(ecode) { + case EAI_NODATA: + return "No address associated with hostname"; + + case EAI_MEMORY: + return "Memory allocation failure"; + + case EAI_FAMILY: + return "Address family not supported"; + + default: + return "Unknown error"; } -} +} #endif /* !HAVE_GAI_STRERROR */ #if !HAVE_DECL_FREEADDRINFO @@ -48,15 +49,15 @@ void freeaddrinfo(struct addrinfo *ai) { static struct addrinfo *malloc_ai(uint16_t port, uint32_t addr) { struct addrinfo *ai; - ai = xmalloc_and_zero(sizeof(struct addrinfo) + sizeof(struct sockaddr_in)); - + ai = xzalloc(sizeof(struct addrinfo) + sizeof(struct sockaddr_in)); + ai->ai_addr = (struct sockaddr *)(ai + 1); ai->ai_addrlen = sizeof(struct sockaddr_in); ai->ai_addr->sa_family = ai->ai_family = AF_INET; ((struct sockaddr_in *)(ai)->ai_addr)->sin_port = port; ((struct sockaddr_in *)(ai)->ai_addr)->sin_addr.s_addr = addr; - + return ai; } @@ -67,32 +68,36 @@ int getaddrinfo(const char *hostname, const char *servname, const struct addrinf int i; uint16_t port = 0; - if(hints && hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC) + if(hints && hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC) { return EAI_FAMILY; + } - if (servname) + if(servname) { port = htons(atoi(servname)); + } - if (hints && hints->ai_flags & AI_PASSIVE) { + if(hints && hints->ai_flags & AI_PASSIVE) { *res = malloc_ai(port, htonl(0x00000000)); return 0; } - - if (!hostname) { + + if(!hostname) { *res = malloc_ai(port, htonl(0x7f000001)); return 0; } - + hp = gethostbyname(hostname); - if(!hp || !hp->h_addr_list || !hp->h_addr_list[0]) + if(!hp || !hp->h_addr_list || !hp->h_addr_list[0]) { return EAI_NODATA; + } - for (i = 0; hp->h_addr_list[i]; i++) { + for(i = 0; hp->h_addr_list[i]; i++) { *res = malloc_ai(port, ((struct in_addr *)hp->h_addr_list[i])->s_addr); - if(prev) + if(prev) { prev->ai_next = *res; + } prev = *res; }