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* [sdk] don't overwrite version.mk, substitute REVISION insteadJo-Philipp Wich2012-04-131-1/+1
* [sdk] make sure .config gets copied as fileJo-Philipp Wich2012-01-281-1/+1
* [sdk] fix generation for arm platformsJo-Philipp Wich2011-09-131-1/+5
* sdk: fix up paths for $(ARCH_SUFFIX)Felix Fietkau2010-03-171-1/+1
* disable IB & SDK when using an external toolchain (closes: #6001)Nicolas Thill2009-12-181-0/+1
* [sdk] do not exclude the share directory for bison and other programs to work...Florian Fainelli2009-08-091-1/+5
* [sdk] now that we support multiple libc, include the gcc version, libc type a...Florian Fainelli2009-06-181-1/+1
* [sdk] do not copy all the staging_dir/ directories, only the right toolchain ...Florian Fainelli2009-06-181-1/+1
* get rid of $Id$ - it has never helped us and it has broken too many patches ;)Felix Fietkau2009-04-171-1/+0
* allow SDK to install trunk packages with scripts/feeds & build them, instead ...Nicolas Thill2008-09-241-1/+6
* add LICENSE & minimal Config.in files (closes: #3710)Nicolas Thill2008-08-222-0/+3
* add feeds config file to SDKNicolas Thill2008-08-221-1/+2
* some more build system cleanupFelix Fietkau2008-08-171-0/+2
* Detach the building of sdk and imagebuilder from "Select all packagesFelix Fietkau2008-03-191-1/+0
* fix the sdkFelix Fietkau2007-12-143-93/+69
* strip -$(KERNEL) from sdk/imagebuilder namesFelix Fietkau2007-12-131-1/+1
* suppress bug after compiling last package in kamikaze SDK.Felix Fietkau2007-12-091-3/+3
* Fix the sdk generation with the new staging_dir layoutFlorian Fainelli2007-08-271-3/+4
* fix sdk buildFelix Fietkau2007-07-021-1/+1
* add portability fixes from #1720Felix Fietkau2007-06-301-1/+1
* fixes for a few build errors on osx without finkFelix Fietkau2007-04-292-3/+3
* revert find | xargs => find | exec changes - this is completely unnecessary a...Felix Fietkau2007-04-121-2/+2
* Accidentially broke sdk and imagebuilder in [6857]Mike Baker2007-04-031-6/+6
* more [6849]Mike Baker2007-04-031-2/+2
* Use find -exec instead of xargsFlorian Fainelli2007-04-021-2/+2
* Remove extra -Mike Baker2007-03-301-1/+1
* fix the sdkFelix Fietkau2007-03-261-11/+28
* Add an 'Image Configuration' menu to menuconfigFelix Fietkau2007-03-161-0/+3
* Fix config checks for Image Builder and SDK - only build them when requested.Felix Fietkau2007-01-141-3/+2
* don't mess with the staging dir too much when building the sdkFelix Fietkau2007-01-101-5/+5
* leave out the ccache directory when copying the staging dir into the sdk (#843)Felix Fietkau2006-10-141-1/+5
* set the sdk default to y if CONFIG_ALL is setFelix Fietkau2006-10-031-1/+1
* fix a few directories missed in [4176]'s source -> downloadMike Baker2006-07-211-1/+1
* make the buildroot-ng sdk compatible with the old packagesFelix Fietkau2006-07-184-4/+103
* credit where credit is dueMike Baker2006-06-271-0/+6
* fix and enable the sdkFelix Fietkau2006-06-214-52/+67
* fix BR2_ and CONFIG_ issuesMike Baker2006-05-122-3/+3
* move package/sdk to target/sdkFelix Fietkau2006-04-215-0/+107
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-17 23:46:27 +0000
s="gi">+ * port for musl by Abdoulaye Walsimou GAYE <awg@...toolkit.org> 2012/10/15 + */ + +#define _BSD_SOURCE +#include <net/ethernet.h> +#include <netinet/ether.h> + +#include <sys/param.h> +#include <assert.h> +#include <errno.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#ifndef _PATH_ETHERS +#define _PATH_ETHERS "/etc/ethers" +#endif + +/* + * ether_ntoa(): + * This function converts this structure into an ASCII string of the form + * ``xx:xx:xx:xx:xx:xx'', consisting of 6 hexadecimal numbers separated + * by colons. It returns a pointer to a static buffer that is reused for + * each call. + */ +char *ether_ntoa(const struct ether_addr *e) +{ + static char a[18]; + + assert(e != NULL); + + (void) snprintf(a, sizeof a, "%02x:%02x:%02x:%02x:%02x:%02x", + e->ether_addr_octet[0], e->ether_addr_octet[1], + e->ether_addr_octet[2], e->ether_addr_octet[3], + e->ether_addr_octet[4], e->ether_addr_octet[5]); + return a; +} + +/* + * ether_aton(): + * This function converts an ASCII string of the same form and to a structure + * containing the 6 octets of the address. It returns a pointer to a + * static structure that is reused for each call. + */ +struct ether_addr *ether_aton(const char *s) +{ + static struct ether_addr n; + unsigned int i[6]; + + assert(s != NULL); + + if (sscanf(s, " %x:%x:%x:%x:%x:%x ", &i[0], &i[1], + &i[2], &i[3], &i[4], &i[5]) == 6) { + n.ether_addr_octet[0] = (unsigned char)i[0]; + n.ether_addr_octet[1] = (unsigned char)i[1]; + n.ether_addr_octet[2] = (unsigned char)i[2]; + n.ether_addr_octet[3] = (unsigned char)i[3]; + n.ether_addr_octet[4] = (unsigned char)i[4]; + n.ether_addr_octet[5] = (unsigned char)i[5]; + return &n; + } + return NULL; +} + +/* + * ether_ntohost(): + * This function interrogates the data base mapping host names to Ethernet + * addresses, /etc/ethers. + * It looks up the given Ethernet address and writes the associated host name + * into the character buffer passed. + * It returns zero if it finds the requested host name and -1 if not. + */ +int ether_ntohost(char *hostname, const struct ether_addr *e) +{ + FILE *f; + char *p; + size_t len; + struct ether_addr try; + + assert(hostname != NULL); + assert(e != NULL); + + f = fopen(_PATH_ETHERS, "r"); + if (f == NULL) + return -1; + while ((p = fgetln(f, &len)) != NULL) { + if (p[len - 1] != '\n') + continue; /* skip lines w/o \n */ + p[--len] = '\0'; + if (ether_line(p, &try, hostname) == 0 && + memcmp(&try, e, sizeof try) == 0) { + (void)fclose(f); + return 0; + } + } + (void)fclose(f); + errno = ENOENT; + return -1; +} + +/* + * ether_hostton(): + * This function interrogates the data base mapping host names to Ethernet + * addresses, /etc/ethers. + * It looks up the given host name and writes the associated Ethernet address + * into the structure passed. + * It returns zero if it finds the requested address and -1 if not. + */ +int ether_hostton(const char *hostname, struct ether_addr *e) +{ + FILE *f; + char *p; + size_t len; + char try[MAXHOSTNAMELEN + 1]; + + assert(hostname != NULL); + assert(e != NULL); + + f = fopen(_PATH_ETHERS, "r"); + if (f==NULL) + return -1; + + while ((p = fgetln(f, &len)) != NULL) { + if (p[len - 1] != '\n') + continue; /* skip lines w/o \n */ + p[--len] = '\0'; + if (ether_line(p, e, try) == 0 && strcmp(hostname, try) == 0) { + (void)fclose(f); + return 0; + } + } + (void)fclose(f); + errno = ENOENT; + return -1; +} + +/* + * ether_line(): + * This function parses a line from the /etc/ethers file and fills in the passed + * ``struct ether_addr'' and character buffer with the Ethernet address and host + * name on the line. + * It returns zero if the line was successfully parsed and -1 if not. + */ +int ether_line(const char *l, struct ether_addr *e, char *hostname) +{ + unsigned int i[6]; + +#define S2(arg) #arg +#define S1(arg) S2(arg) + static const char fmt[] = " %x:%x:%x:%x:%x:%x" + " %" S1(MAXHOSTNAMELEN) "s\n"; +#undef S2 +#undef S1 + + assert(l != NULL); + assert(e != NULL); + assert(hostname != NULL); + + if (sscanf(l, fmt, + &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], hostname) == 7) { + e->ether_addr_octet[0] = (unsigned char)i[0]; + e->ether_addr_octet[1] = (unsigned char)i[1]; + e->ether_addr_octet[2] = (unsigned char)i[2]; + e->ether_addr_octet[3] = (unsigned char)i[3]; + e->ether_addr_octet[4] = (unsigned char)i[4]; + e->ether_addr_octet[5] = (unsigned char)i[5]; + return 0; + } + errno = EINVAL; + return -1; +} -- 1.7.9.5
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-17 23:46:27 +0000