diff options
Diffstat (limited to 'Utilities/cmlibuv/src/unix/aix-common.c')
| -rw-r--r-- | Utilities/cmlibuv/src/unix/aix-common.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/unix/aix-common.c b/Utilities/cmlibuv/src/unix/aix-common.c new file mode 100644 index 000000000..c2217fb6b --- /dev/null +++ b/Utilities/cmlibuv/src/unix/aix-common.c @@ -0,0 +1,292 @@ +/* Copyright libuv project contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "uv.h" +#include "internal.h" + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <errno.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <net/if.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <sys/time.h> +#include <unistd.h> +#include <fcntl.h> +#include <utmp.h> +#include <libgen.h> + +#include <sys/protosw.h> +#include <procinfo.h> +#include <sys/proc.h> +#include <sys/procfs.h> + +#include <sys/poll.h> + +#include <sys/pollset.h> +#include <ctype.h> + +#include <sys/mntctl.h> +#include <sys/vmount.h> +#include <limits.h> +#include <strings.h> +#include <sys/vnode.h> + +uint64_t uv__hrtime(uv_clocktype_t type) { + uint64_t G = 1000000000; + timebasestruct_t t; + read_wall_time(&t, TIMEBASE_SZ); + time_base_to_time(&t, TIMEBASE_SZ); + return (uint64_t) t.tb_high * G + t.tb_low; +} + + +/* + * We could use a static buffer for the path manipulations that we need outside + * of the function, but this function could be called by multiple consumers and + * we don't want to potentially create a race condition in the use of snprintf. + * There is no direct way of getting the exe path in AIX - either through /procfs + * or through some libc APIs. The below approach is to parse the argv[0]'s pattern + * and use it in conjunction with PATH environment variable to craft one. + */ +int uv_exepath(char* buffer, size_t* size) { + int res; + char args[PATH_MAX]; + char abspath[PATH_MAX]; + size_t abspath_size; + struct procsinfo pi; + + if (buffer == NULL || size == NULL || *size == 0) + return -EINVAL; + + pi.pi_pid = getpid(); + res = getargs(&pi, sizeof(pi), args, sizeof(args)); + if (res < 0) + return -EINVAL; + + /* + * Possibilities for args: + * i) an absolute path such as: /home/user/myprojects/nodejs/node + * ii) a relative path such as: ./node or ../myprojects/nodejs/node + * iii) a bare filename such as "node", after exporting PATH variable + * to its location. + */ + + /* Case i) and ii) absolute or relative paths */ + if (strchr(args, '/') != NULL) { + if (realpath(args, abspath) != abspath) + return -errno; + + abspath_size = strlen(abspath); + + *size -= 1; + if (*size > abspath_size) + *size = abspath_size; + + memcpy(buffer, abspath, *size); + buffer[*size] = '\0'; + + return 0; + } else { + /* Case iii). Search PATH environment variable */ + char trypath[PATH_MAX]; + char *clonedpath = NULL; + char *token = NULL; + char *path = getenv("PATH"); + + if (path == NULL) + return -EINVAL; + + clonedpath = uv__strdup(path); + if (clonedpath == NULL) + return -ENOMEM; + + token = strtok(clonedpath, ":"); + while (token != NULL) { + snprintf(trypath, sizeof(trypath) - 1, "%s/%s", token, args); + if (realpath(trypath, abspath) == abspath) { + /* Check the match is executable */ + if (access(abspath, X_OK) == 0) { + abspath_size = strlen(abspath); + + *size -= 1; + if (*size > abspath_size) + *size = abspath_size; + + memcpy(buffer, abspath, *size); + buffer[*size] = '\0'; + + uv__free(clonedpath); + return 0; + } + } + token = strtok(NULL, ":"); + } + uv__free(clonedpath); + + /* Out of tokens (path entries), and no match found */ + return -EINVAL; + } +} + +void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { + int i; + + for (i = 0; i < count; ++i) { + uv__free(cpu_infos[i].model); + } + + uv__free(cpu_infos); +} + + +int uv_interface_addresses(uv_interface_address_t** addresses, + int* count) { + uv_interface_address_t* address; + int sockfd, inet6, size = 1; + struct ifconf ifc; + struct ifreq *ifr, *p, flg; + struct sockaddr_dl* sa_addr; + + *count = 0; + + if (0 > (sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP))) { + return -errno; + } + + if (ioctl(sockfd, SIOCGSIZIFCONF, &size) == -1) { + uv__close(sockfd); + return -errno; + } + + ifc.ifc_req = (struct ifreq*)uv__malloc(size); + ifc.ifc_len = size; + if (ioctl(sockfd, SIOCGIFCONF, &ifc) == -1) { + uv__close(sockfd); + return -errno; + } + +#define ADDR_SIZE(p) MAX((p).sa_len, sizeof(p)) + + /* Count all up and running ipv4/ipv6 addresses */ + ifr = ifc.ifc_req; + while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { + p = ifr; + ifr = (struct ifreq*) + ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); + + if (!(p->ifr_addr.sa_family == AF_INET6 || + p->ifr_addr.sa_family == AF_INET)) + continue; + + memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); + if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { + uv__close(sockfd); + return -errno; + } + + if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) + continue; + + (*count)++; + } + + /* Alloc the return interface structs */ + *addresses = uv__malloc(*count * sizeof(uv_interface_address_t)); + if (!(*addresses)) { + uv__close(sockfd); + return -ENOMEM; + } + address = *addresses; + + ifr = ifc.ifc_req; + while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { + p = ifr; + ifr = (struct ifreq*) + ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); + + if (!(p->ifr_addr.sa_family == AF_INET6 || + p->ifr_addr.sa_family == AF_INET)) + continue; + + inet6 = (p->ifr_addr.sa_family == AF_INET6); + + memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); + if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { + uv__close(sockfd); + return -ENOSYS; + } + + if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) + continue; + + /* All conditions above must match count loop */ + + address->name = uv__strdup(p->ifr_name); + + if (inet6) + address->address.address6 = *((struct sockaddr_in6*) &p->ifr_addr); + else + address->address.address4 = *((struct sockaddr_in*) &p->ifr_addr); + + sa_addr = (struct sockaddr_dl*) &p->ifr_addr; + memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); + + if (ioctl(sockfd, SIOCGIFNETMASK, p) == -1) { + uv__close(sockfd); + return -ENOSYS; + } + + if (inet6) + address->netmask.netmask6 = *((struct sockaddr_in6*) &p->ifr_addr); + else + address->netmask.netmask4 = *((struct sockaddr_in*) &p->ifr_addr); + + address->is_internal = flg.ifr_flags & IFF_LOOPBACK ? 1 : 0; + + address++; + } + +#undef ADDR_SIZE + + uv__close(sockfd); + return 0; +} + + +void uv_free_interface_addresses(uv_interface_address_t* addresses, + int count) { + int i; + + for (i = 0; i < count; ++i) { + uv__free(addresses[i].name); + } + + uv__free(addresses); +} |